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Evaluation of Two Epoetin Alfa Dosing Strategies in Subjects With Chronic Kidney Disease Receiving Hemodialysis

A Randomized, Multicenter, Double-blind Study Evaluating Two Epoetin Alfa Dosing Strategies in Subjects With Chronic Kidney Disease Receiving Hemodialysis

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02253654
Enrollment
216
Registered
2014-10-01
Start date
2015-04-01
Completion date
2016-05-25
Last updated
2017-05-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anemia, Erythrocyte Transfusion, Renal Dialysis, Renal Insufficiency, Chronic

Keywords

Chronic Kidney Disease, Anemia, Hemodialysis, Red Blood Cell Transfusion

Brief summary

The purpose of this study is to compare two different dosing methods of epoetin alfa and their effectiveness in maintaining hemoglobin levels between 10.0 to 11.0 g/dL in in patients with chronic kidney disease (CKD) receiving hemodialysis.

Interventions

DRUGEpoetin alfa

Administered intravenously (IV) three times a week (TIW) by appropriately trained healthcare professionals during hemodialysis.

Sponsors

Amgen
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Informed consent obtained prior to initiation of any study-specific activities/procedures * Age 18 or older * Prescribed hemodialysis three times a week (TIW) for ≥ 12 weeks prior to randomization * Prescribed IV administration of epoetin alfa TIW for ≥ 12 weeks prior to randomization * Prescribed ≥ 3000 Units/week (ie, ≥ 1000 Units/administration) and \< 90,000 Units/week (ie, \< 30,000 Units/administration) of epoetin alfa during the 4 weeks prior to randomization * Received ≥ 4 doses of epoetin alfa during the 2 weeks prior to randomization * Hemoglobin concentration ≤ 11.0 g/dL, per the most recent local laboratory value obtained during the 2 weeks prior to randomization * Hemoglobin concentration ≤ 11.0 g/dL, at the screening visit, using the hemoglobin point of care device provided by Amgen * Iron replete, defined as a transferrin saturation (TSAT) ≥ 20% and a ferritin ≥ 100 ng/mL, per the most recent local laboratory value obtained during the 4 weeks prior to randomization

Exclusion criteria

* Currently receiving treatment in another investigational device or drug study, or less than 30 days since ending treatment on another investigational device or drug study(s) prior to randomization * Other investigational procedures while participating in this study are excluded * Systemic hematologic disease (eg, sickle cell anemia, myelodysplastic syndrome, hematologic malignancy) * Current or prior malignancy within 5 years of randomization, with the exception of non-melanoma skin cancers, cervical or breast ductal carcinoma in situ * Treatment for any malignancy (eg, radiation, chemotherapy, hormone therapy or biologics) within 5 years of randomization, with the exception of locally excised non-melanoma skin cancers, cervical or breast ductal carcinoma in situ * Subject is currently pregnant or planning to become pregnant during treatment and for 30 days after the end of treatment * Subject is currently breast feeding or planning on breast feeding during treatment and for 30 days after the end of treatment * Females of reproductive potential who are not willing to use an acceptable method of effective contraception during treatment and for at least 30 days after the end of treatment * Currently receiving IV antibiotics * Currently receiving systemic immunosuppressive therapy known to cause anemia, including treatment for active hepatitis (eg, azathioprine, mycophenolate mofetil, ≥ 10 mg prednisone \[or equivalent\]/day, interferon) * Known human immunodeficiency virus (HIV) positive * Known neutralizing anti-erythropoietic protein antibodies * Known sensitivity to epoetin alfa * Subject likely to not be available to complete all protocol-required study visits or procedures, and/or to comply with all required study procedures (eg, planned vacations where away from dialysis unit for more than 2 weeks) to the best of the subject and investigator's knowledge * History or evidence of any other clinically significant disorder, condition or disease (with the exception of those outlined above) that, in the opinion of the investigator or Amgen physician, if consulted, would pose a risk to subject safety or interfere with the study evaluation, procedures or completion * Previously entered this study * Occurrence of any of the following within 8 weeks prior to randomization: * Seizure * Clinically relevant active bleeding (eg, gastrointestinal bleed) * RBC transfusion * Any hospitalization or observational stay \> 24 hours * Uncontrolled hypertension, per the investigator within the 4 weeks prior to randomization * Expected or scheduled solid organ transplant(eg, kidney) within 40 weeks after randomization * Expected or scheduled to change dialysis modality (eg, peritoneal dialysis, home hemodialysis) within 40 weeks after randomization

Design outcomes

Primary

MeasureTime frameDescription
Percentage of Hemoglobin Measurements Within 10 to 11 g/dL During the Evaluation PeriodThe evaluation period (weeks 13-37)Hemoglobin was measured every 2 weeks during the evaluation period. The percentage of these measurements that were within the range of 10-11 g/dL was calculated for each participant.

Secondary

MeasureTime frameDescription
Percentage of Participants With Transfusion Events Overall and During Each Study PeriodOverall Study: Study week 1 to week 41; Titration Period: Study week 1 to week 12; Evaluation Period: Study week 13 to week 37; Safety Follow-up Period: Study week 38 to week 41The percentage of participants who received red blood cell (RBC) transfusions during the study and during each study period.
Hemoglobin Rate of Change at Each VisitBaseline (screening visit) and weeks 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, and 37Hemoglobin rate of change (ROC) was calculated for each visit using the following formula: ROC = (current visit hemoglobin value - previous visit hemoglobin value) / number of days between each visit \* 14. A positive value indicates a rate of rise and a negative value indicates a rate of decline.
Hemoglobin Intra-subject VariabilityThe evaluation period (weeks 13 to 37)Intra-subject variability was defined for each participant as the standard deviation (SD) of all of the hemoglobin concentrations during the evaluation period for the participant. The mean intra-subject SD for all participants is the sum of the intra-subject SDs divided by the total number of participants evaluated.
Hemoglobin Concentration at Each VisitBaseline (screening visit) and weeks 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, and 37
Weekly Epoetin Alfa Dose at Each VisitWeeks 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, and 35
Number of RBC Units Transfused Overall and During Each Study PeriodOverall Study: Study week 1 to week 41; Titration Period: Study week 1 to week 12; Evaluation Period: Study week 13 to week 37; Safety Follow-up Period: Study week 38 to week 41The number of red blood cell (RBC) units transfused during the study and during each study period.
Percentage of Participants With Hemoglobin Excursions at Each VisitBaseline (screening visit) and weeks 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, and 37An excursion is identified as an event when a hemoglobin concentration fell below or exceeded the pre-specified thresholds of: - \< 9.0 g/dL, or - \> 11.0 g/dL, or - \> 12.0 g/dL. The percentage of participants with any excursions and excursions in each subcategory at each time point and overall during the study are reported.

Countries

Puerto Rico, United States

Participant flow

Recruitment details

This study was conducted at 31 centers in the United States. Participants were enrolled from 01 April 2015 to 17 August 2015.

Pre-assignment details

Eligible participants with anemia and chronic kidney disease who were receiving hemodialysis were randomized in a 1:1 ratio to 1 of 2 dosing algorithms.

Participants by arm

ArmCount
Epoetin Alfa Alternative Titration
Participants received epoetin alfa administered intravenously three times a week during hemodialysis for up to 37 weeks. For the first two weeks the dose of epoetin alfa was based on the dose at the time of screening. Beginning at week 3 dose changes may have occurred every 2 weeks according to the alternative dosing algorithm, where smaller, frequent dose adjustments were permitted based on six hemoglobin categories.
108
Epoetin Alfa USPI Titration
Participants received epoetin alfa administered intravenously three times a week during hemodialysis for 37 weeks. For the first two weeks the dose of epoetin alfa was based on the dose at the time of screening. Beginning at week 3 dose decreases were permitted every 2 weeks and beginning at week 5 dose increases could only occur ≥ 4 weeks from the last dose increase, according to the United States package insert (USPI) dosing algorithm which includes four categories of hemoglobin levels.
108
Total216

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyDeath47
Overall StudyDecision by Sponsor11
Overall StudyDid Not Receive Study Treatment41
Overall StudyLost to Follow-up25
Overall StudyWithdrawal by Subject124

Baseline characteristics

CharacteristicEpoetin Alfa Alternative TitrationEpoetin Alfa USPI TitrationTotal
Age, Continuous60.9 years
STANDARD_DEVIATION 13.3
58.7 years
STANDARD_DEVIATION 14.2
59.8 years
STANDARD_DEVIATION 1.8
Race/Ethnicity, Customized
Asian
7 participants7 participants14 participants
Race/Ethnicity, Customized
Black
53 participants50 participants103 participants
Race/Ethnicity, Customized
Hispanic/Latino
30 participants39 participants69 participants
Race/Ethnicity, Customized
Native Hawaiian or other Pacific Islander
0 participants1 participants1 participants
Race/Ethnicity, Customized
Not Hispanic/Latino
78 participants69 participants147 participants
Race/Ethnicity, Customized
Other
8 participants10 participants18 participants
Race/Ethnicity, Customized
White
40 participants40 participants80 participants
Sex: Female, Male
Female
48 Participants40 Participants88 Participants
Sex: Female, Male
Male
60 Participants68 Participants128 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
19 / 10426 / 107
serious
Total, serious adverse events
37 / 10439 / 107

Outcome results

Primary

Percentage of Hemoglobin Measurements Within 10 to 11 g/dL During the Evaluation Period

Hemoglobin was measured every 2 weeks during the evaluation period. The percentage of these measurements that were within the range of 10-11 g/dL was calculated for each participant.

Time frame: The evaluation period (weeks 13-37)

Population: The Primary Analysis Set which consists of all randomized participants who had at least 6 hemoglobin measurements during the evaluation period while on study and receiving investigational product.

ArmMeasureValue (MEAN)Dispersion
Epoetin Alfa Alternative TitrationPercentage of Hemoglobin Measurements Within 10 to 11 g/dL During the Evaluation Period46.41 percentage of hemoglobin measurementsStandard Deviation 2.39
Epoetin Alfa USPI TitrationPercentage of Hemoglobin Measurements Within 10 to 11 g/dL During the Evaluation Period46.02 percentage of hemoglobin measurementsStandard Deviation 2.56
Comparison: The difference between treatment groups for the percent of hemoglobin measurements within 10.0 to 11.0 g/dL during the evaluation period was tested using a 1-sided t-test with a significance level of 0.025.p-value: 0.46t-test, 1 sided
Secondary

Hemoglobin Concentration at Each Visit

Time frame: Baseline (screening visit) and weeks 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, and 37

Population: Primary analysis set with available data at each time point

ArmMeasureGroupValue (MEAN)Dispersion
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 3 (n = 89, 100)10.54 g/dLStandard Deviation 0.88
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 21 (n = 87, 99)10.33 g/dLStandard Deviation 1.01
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 9 (n = 89, 100)10.32 g/dLStandard Deviation 1.16
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 23 (n = 88, 98)10.46 g/dLStandard Deviation 1.05
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitBaseline (n = 89, 100)10.15 g/dLStandard Deviation 0.66
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 25 (n = 87, 98)10.56 g/dLStandard Deviation 1
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 11 (n = 88, 99)10.33 g/dLStandard Deviation 1.05
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 27 (n = 88, 94)10.32 g/dLStandard Deviation 1.1
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 5 (n = 89, 99)10.66 g/dLStandard Deviation 0.93
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 29 (n =89, 92)10.34 g/dLStandard Deviation 1.01
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 15 (n = 89, 100)10.46 g/dLStandard Deviation 1.38
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 31 (n = 85, 89)10.34 g/dLStandard Deviation 0.95
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 13 (n = 89, 100)10.28 g/dLStandard Deviation 1.04
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 33 (n = 86, 90)10.18 g/dLStandard Deviation 1
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 17 (n = 89, 100)10.20 g/dLStandard Deviation 1.05
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 35 (n = 87, 88)10.12 g/dLStandard Deviation 1.23
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 7 (n = 88, 97)10.45 g/dLStandard Deviation 1.02
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 37 (n = 87, 93)10.10 g/dLStandard Deviation 1.11
Epoetin Alfa Alternative TitrationHemoglobin Concentration at Each VisitWeek 19 (n = 89, 100)10.37 g/dLStandard Deviation 1.14
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 37 (n = 87, 93)9.86 g/dLStandard Deviation 0.85
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitBaseline (n = 89, 100)10.04 g/dLStandard Deviation 0.81
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 3 (n = 89, 100)10.34 g/dLStandard Deviation 0.97
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 5 (n = 89, 99)10.51 g/dLStandard Deviation 1.04
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 7 (n = 88, 97)10.28 g/dLStandard Deviation 1.07
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 9 (n = 89, 100)9.97 g/dLStandard Deviation 0.87
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 13 (n = 89, 100)9.99 g/dLStandard Deviation 0.91
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 15 (n = 89, 100)9.98 g/dLStandard Deviation 0.93
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 17 (n = 89, 100)10.01 g/dLStandard Deviation 1.22
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 19 (n = 89, 100)9.94 g/dLStandard Deviation 0.87
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 21 (n = 87, 99)9.92 g/dLStandard Deviation 0.81
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 23 (n = 88, 98)10.03 g/dLStandard Deviation 0.86
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 25 (n = 87, 98)9.94 g/dLStandard Deviation 0.97
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 27 (n = 88, 94)9.97 g/dLStandard Deviation 0.86
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 29 (n =89, 92)10.02 g/dLStandard Deviation 1.07
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 31 (n = 85, 89)9.96 g/dLStandard Deviation 1.07
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 33 (n = 86, 90)10.05 g/dLStandard Deviation 0.92
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 35 (n = 87, 88)9.94 g/dLStandard Deviation 0.9
Epoetin Alfa USPI TitrationHemoglobin Concentration at Each VisitWeek 11 (n = 88, 99)10.15 g/dLStandard Deviation 0.88
Secondary

Hemoglobin Intra-subject Variability

Intra-subject variability was defined for each participant as the standard deviation (SD) of all of the hemoglobin concentrations during the evaluation period for the participant. The mean intra-subject SD for all participants is the sum of the intra-subject SDs divided by the total number of participants evaluated.

Time frame: The evaluation period (weeks 13 to 37)

Population: Primary analysis set

ArmMeasureValue (MEAN)Dispersion
Epoetin Alfa Alternative TitrationHemoglobin Intra-subject Variability0.74 g/dLStandard Deviation 0.3
Epoetin Alfa USPI TitrationHemoglobin Intra-subject Variability0.70 g/dLStandard Deviation 0.32
Secondary

Hemoglobin Rate of Change at Each Visit

Hemoglobin rate of change (ROC) was calculated for each visit using the following formula: ROC = (current visit hemoglobin value - previous visit hemoglobin value) / number of days between each visit \* 14. A positive value indicates a rate of rise and a negative value indicates a rate of decline.

Time frame: Baseline (screening visit) and weeks 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, and 37

Population: Primary analysis set with available data at each time point

ArmMeasureGroupValue (MEAN)Dispersion
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 3 (n = 89, 100)0.36 g/dL/2 weeksStandard Deviation 0.79
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 5 (n = 89, 99)0.10 g/dL/2 weeksStandard Deviation 0.81
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 7 (n = 88, 97)-0.22 g/dL/2 weeksStandard Deviation 0.9
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 9 (n = 89, 100)-0.12 g/dL/2 weeksStandard Deviation 0.93
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 11 (n = 88, 99)0.02 g/dL/2 weeksStandard Deviation 1.01
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 13 (n = 89, 100)-0.05 g/dL/2 weeksStandard Deviation 0.93
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 15 (n = 89, 100)0.19 g/dL/2 weeksStandard Deviation 1.01
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 17 (n = 89, 100)-0.22 g/dL/2 weeksStandard Deviation 1.08
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 19 (n = 89, 100)0.18 g/dL/2 weeksStandard Deviation 0.97
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 21 (n = 87, 99)-0.02 g/dL/2 weeksStandard Deviation 0.74
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 23 (n = 88, 98)0.16 g/dL/2 weeksStandard Deviation 0.87
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 25 (n = 87, 98)0.07 g/dL/2 weeksStandard Deviation 0.78
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 27 (n = 88, 94)-0.18 g/dL/2 weeksStandard Deviation 0.77
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 29 (n =89, 92)0.04 g/dL/2 weeksStandard Deviation 0.86
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 31 (n = 85, 89)-0.02 g/dL/2 weeksStandard Deviation 0.72
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 33 (n = 86, 90)-0.16 g/dL/2 weeksStandard Deviation 0.82
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 35 (n = 87, 88)-0.05 g/dL/2 weeksStandard Deviation 0.98
Epoetin Alfa Alternative TitrationHemoglobin Rate of Change at Each VisitWeek 37 (n = 87, 93)-0.04 g/dL/2 weeksStandard Deviation 1
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 29 (n =89, 92)0.05 g/dL/2 weeksStandard Deviation 0.73
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 3 (n = 89, 100)0.27 g/dL/2 weeksStandard Deviation 0.71
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 21 (n = 87, 99)-0.06 g/dL/2 weeksStandard Deviation 0.72
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 5 (n = 89, 99)0.13 g/dL/2 weeksStandard Deviation 1.01
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 37 (n = 87, 93)-0.03 g/dL/2 weeksStandard Deviation 0.64
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 7 (n = 88, 97)-0.19 g/dL/2 weeksStandard Deviation 1.42
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 23 (n = 88, 98)0.09 g/dL/2 weeksStandard Deviation 0.78
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 9 (n = 89, 100)-0.28 g/dL/2 weeksStandard Deviation 1.08
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 31 (n = 85, 89)-0.03 g/dL/2 weeksStandard Deviation 0.74
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 11 (n = 88, 99)0.19 g/dL/2 weeksStandard Deviation 0.67
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 25 (n = 87, 98)-0.06 g/dL/2 weeksStandard Deviation 0.84
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 13 (n = 89, 100)-0.19 g/dL/2 weeksStandard Deviation 0.97
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 35 (n = 87, 88)-0.13 g/dL/2 weeksStandard Deviation 0.72
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 15 (n = 89, 100)-0.01 g/dL/2 weeksStandard Deviation 0.87
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 27 (n = 88, 94)0.01 g/dL/2 weeksStandard Deviation 0.85
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 17 (n = 89, 100)0.02 g/dL/2 weeksStandard Deviation 1.07
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 33 (n = 86, 90)0.06 g/dL/2 weeksStandard Deviation 0.74
Epoetin Alfa USPI TitrationHemoglobin Rate of Change at Each VisitWeek 19 (n = 89, 100)-0.06 g/dL/2 weeksStandard Deviation 1.25
Secondary

Number of RBC Units Transfused Overall and During Each Study Period

The number of red blood cell (RBC) units transfused during the study and during each study period.

Time frame: Overall Study: Study week 1 to week 41; Titration Period: Study week 1 to week 12; Evaluation Period: Study week 13 to week 37; Safety Follow-up Period: Study week 38 to week 41

Population: Primary analysis set with available data in each study period

ArmMeasureGroupValue (NUMBER)
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodOverall Study: 1 RBC Unit (n = 89, 100)1 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodOverall Study: 2 RBC Units (n = 89, 100)2 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodOverall Study: 3 RBC Units (n = 89, 100)1 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodOverall Study: > 3 RBC Units (n = 89, 100)2 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodTitration Period: 1 RBC Unit (n = 89, 100)0 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodTitration Period: 2 RBC Units (n = 89, 100)1 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodTitration Period: 3 RBC Units (n = 89, 100)1 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodTitration Period: > 3 RBC Units (n = 89, 100)0 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodEvaluation Period: 1 RBC Unit (n = 89, 100)1 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodEvaluation Period: 2 RBC Units (n = 89, 100)3 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodEvaluation Period: 3 RBC Units (n = 89, 100)1 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodEvaluation Period: > 3 RBC Units (n = 89, 100)0 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodSafety Follow-up Period: 1 RBC Unit (n = 83, 90)0 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodSafety Follow-up Period: 2 RBC Units (n = 83, 90)1 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodSafety Follow-up Period: 3 RBC Units (n = 83, 90)0 participants
Epoetin Alfa Alternative TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodSafety Follow-up Period: >3 RBC Units (n = 83, 90)0 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodSafety Follow-up Period: >3 RBC Units (n = 83, 90)0 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodOverall Study: 1 RBC Unit (n = 89, 100)4 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodEvaluation Period: 1 RBC Unit (n = 89, 100)3 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodOverall Study: 2 RBC Units (n = 89, 100)5 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodSafety Follow-up Period: 1 RBC Unit (n = 83, 90)0 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodOverall Study: 3 RBC Units (n = 89, 100)2 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodEvaluation Period: 2 RBC Units (n = 89, 100)4 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodOverall Study: > 3 RBC Units (n = 89, 100)1 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodSafety Follow-up Period: 3 RBC Units (n = 83, 90)0 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodTitration Period: 1 RBC Unit (n = 89, 100)1 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodEvaluation Period: 3 RBC Units (n = 89, 100)2 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodTitration Period: 2 RBC Units (n = 89, 100)0 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodSafety Follow-up Period: 2 RBC Units (n = 83, 90)1 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodTitration Period: 3 RBC Units (n = 89, 100)0 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodEvaluation Period: > 3 RBC Units (n = 89, 100)1 participants
Epoetin Alfa USPI TitrationNumber of RBC Units Transfused Overall and During Each Study PeriodTitration Period: > 3 RBC Units (n = 89, 100)0 participants
Secondary

Percentage of Participants With Hemoglobin Excursions at Each Visit

An excursion is identified as an event when a hemoglobin concentration fell below or exceeded the pre-specified thresholds of: - \< 9.0 g/dL, or - \> 11.0 g/dL, or - \> 12.0 g/dL. The percentage of participants with any excursions and excursions in each subcategory at each time point and overall during the study are reported.

Time frame: Baseline (screening visit) and weeks 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, and 37

Population: Primary analysis set with available data at each time point

ArmMeasureGroupValue (NUMBER)
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 7 Excursions < 9.0 (n = 88, 97)6.8 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 21 Excursions < 9.0 (n = 87, 99)8.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 21 Excursions > 11.0 (n = 87, 99)19.5 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 31 Excursions > 11.0 (n = 85, 89)15.3 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitOverall Excursions (n = 89, 100)91.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitOverall Excursions < 9.0 (n = 89, 100)48.3 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitOverall Excursions > 11.0 (n = 89, 100)80.9 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitOverall Excursions > 12.0 (n = 89, 100)25.8 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitBaseline Excursions (n = 89, 100)3.4 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitBaseline Excursions < 9.0 (n = 89, 100)3.4 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitBaseline Excursions > 11.0 (n = 89, 100)0.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitBaseline Excursions > 12.0 (n = 89, 100)0.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 3 Excursions (n = 89, 100)29.2 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 3 Excursions < 9.0 (n = 89, 100)2.2 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 3 Excursions > 11.0 (n = 89, 100)27.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 3 Excursions > 12.0 (n = 89, 100)5.6 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 5 Excursions (n = 89, 99)36.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 5 Excursions < 9.0 (n = 89, 99)1.1 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 5 Excursions > 11.0 (n = 89, 99)34.8 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 5 Excursions > 12.0 (n = 89, 99)5.6 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 7 Excursions (n = 88, 97)27.3 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 7 Excursions > 11.0 (n = 88, 97)20.5 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 7 Excursions > 12.0 (n = 88, 97)3.4 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 9 Excursions (n = 89, 100)29.2 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 9 Excursions < 9.0 (n = 89, 100)9.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 9 Excursions > 11.0 (n = 89, 100)20.2 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 9 Excursions > 12.0 (n = 89, 100)3.4 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 11 Excursions (n = 88, 99)22.7 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 11 Excursions < 9.0 (n = 88, 99)4.5 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 11 Excursions > 11.0 (n = 88, 99)18.2 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 11 Excursions > 12.0 (n = 88, 99)2.3 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 13 Excursions (n = 89, 100)25.8 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 13 Excursions < 9.0 (n = 89, 100)7.9 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 13 Excursions > 11.0 (n = 89, 100)18.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 13 Excursions > 12.0 (n = 89, 100)4.5 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 15 Excursions (n = 89, 100)27.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 15 Excursions < 9.0 (n = 89, 100)5.6 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 15 Excursions > 11.0 (n = 89, 100)21.3 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 15 Excursions > 12.0 (n = 89, 100)6.7 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 17 Excursions (n = 89, 100)23.6 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 17 Excursions < 9.0 (n = 89, 100)9.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 17 Excursions > 11.0 (n = 89, 100)14.6 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 17 Excursions > 12.0 (n = 89, 100)4.5 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 19 Excursions (n = 89, 100)28.1 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 19 Excursions < 9.0 (n = 89, 100)9.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 19 Excursions > 11.0 (n = 89, 100)19.1 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 19 Excursions > 12.0 (n = 89, 100)9.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 21 Excursions (n = 87, 99)27.6 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 21 Excursions > 12.0 (n = 87, 99)3.4 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 23 Excursions (n = 88, 98)29.5 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 23 Excursions < 9.0 (n = 88, 98)6.8 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 23 Excursions > 11.0 (n = 88, 98)22.7 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 23 Excursions > 12.0 (n = 88, 98)5.7 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 25 Excursions (n = 87, 98)28.7 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 25 Excursions < 9.0 (n = 87, 98)2.3 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 25 Excursions > 11.0 (n = 87, 98)26.4 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 25 Excursions > 12.0 (n = 87, 98)5.7 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 27 Excursions (n = 88, 94)29.5 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 27 Excursions < 9.0 (n = 88, 94)10.2 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 27 Excursions > 11.0 (n = 88, 94)19.3 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 27 Excursions > 12.0 (n = 88, 94)3.4 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 29 Excursions (n = 89, 92)25.8 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 29 Excursions < 9.0 (n = 89, 92)5.6 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 29 Excursions > 11.0 (n = 89, 92)20.2 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 29 Excursions > 12.0 (n = 89, 92)4.5 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 31 Excursions (n = 85, 89)20.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 31 Excursions < 9.0 (n = 85, 89)4.7 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 31 Excursions > 12.0 (n = 85, 89)5.9 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 33 Excursions (n = 86, 90)22.1 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 33 Excursions < 9.0 (n = 86, 90)7.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 33 Excursions > 11.0 (n = 86, 90)15.1 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 33 Excursions > 12.0 (n = 86, 90)3.5 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 35 Excursions (n = 87, 88)26.4 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 35 Excursions < 9.0 (n = 87, 88)11.5 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 35 Excursions > 11.0 (n = 87, 88)14.9 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 35 Excursions > 12.0 (n = 87, 88)4.6 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 37 Excursions (n = 87, 93)20.7 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 37 Excursions < 9.0 (n = 87, 93)8.0 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 37 Excursions > 11.0 (n = 87, 93)12.6 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 37 Excursions > 12.0 (n = 87, 93)3.4 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 27 Excursions > 12.0 (n = 88, 94)0.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 21 Excursions (n = 87, 99)17.2 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 33 Excursions > 11.0 (n = 86, 90)11.1 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 21 Excursions < 9.0 (n = 87, 99)12.1 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 17 Excursions > 11.0 (n = 89, 100)9.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 29 Excursions (n = 89, 92)29.3 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 17 Excursions > 12.0 (n = 89, 100)3.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitOverall Excursions (n = 89, 100)93.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 35 Excursions > 12.0 (n = 87, 88)0.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitOverall Excursions < 9.0 (n = 89, 100)61.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 19 Excursions (n = 89, 100)19.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitOverall Excursions > 11.0 (n = 89, 100)83.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 29 Excursions < 9.0 (n = 89, 92)16.3 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitOverall Excursions > 12.0 (n = 89, 100)19.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 19 Excursions < 9.0 (n = 89, 100)13.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitBaseline Excursions (n = 89, 100)11.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 33 Excursions > 12.0 (n = 86, 90)2.2 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitBaseline Excursions < 9.0 (n = 89, 100)11.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 19 Excursions > 11.0 (n = 89, 100)6.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitBaseline Excursions > 11.0 (n = 89, 100)0.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 29 Excursions > 11.0 (n = 89, 92)13.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitBaseline Excursions > 12.0 (n = 89, 100)0.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 19 Excursions > 12.0 (n = 89, 100)0.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 3 Excursions (n = 89, 100)27.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 37 Excursions > 12.0 (n = 87, 93)0.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 3 Excursions < 9.0 (n = 89, 100)6.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 21 Excursions > 11.0 (n = 87, 99)5.1 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 3 Excursions > 11.0 (n = 89, 100)21.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 29 Excursions > 12.0 (n = 89, 92)2.2 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 3 Excursions > 12.0 (n = 89, 100)5.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 21 Excursions > 12.0 (n = 87, 99)0.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 5 Excursions (n = 89, 99)29.3 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 35 Excursions (n = 87, 88)21.6 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 5 Excursions < 9.0 (n = 89, 99)4.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 23 Excursions (n = 88, 98)20.4 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 5 Excursions > 11.0 (n = 89, 99)25.3 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 31 Excursions (n = 85, 89)28.1 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 5 Excursions > 12.0 (n = 89, 99)7.1 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 23 Excursions < 9.0 (n = 88, 98)10.2 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 7 Excursions (n = 88, 97)28.9 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 17 Excursions < 9.0 (n = 89, 100)12.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 7 Excursions < 9.0 (n = 88, 97)8.2 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 37 Excursions (n = 87, 93)17.2 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 7 Excursions > 11.0 (n = 88, 97)20.6 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 23 Excursions > 11.0 (n = 88, 98)10.2 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 7 Excursions > 12.0 (n = 88, 97)4.1 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 31 Excursions < 9.0 (n = 85, 89)16.9 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 9 Excursions (n = 89, 100)17.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 23 Excursions > 12.0 (n = 88, 98)0.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 9 Excursions < 9.0 (n = 89, 100)10.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 31 Excursions > 11.0 (n = 85, 89)11.2 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 9 Excursions > 11.0 (n = 89, 100)7.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 25 Excursions (n = 87, 98)20.4 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 9 Excursions > 12.0 (n = 89, 100)0.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 35 Excursions < 9.0 (n = 87, 88)13.6 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 11 Excursions (n = 88, 99)23.2 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 25 Excursions < 9.0 (n = 87, 98)13.3 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 11 Excursions < 9.0 (n = 88, 99)7.1 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 31 Excursions > 12.0 (n = 85, 89)1.1 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 11 Excursions > 11.0 (n = 88, 99)16.2 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 25 Excursions > 11.0 (n = 87, 98)7.1 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 11 Excursions > 12.0 (n = 88, 99)1.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 37 Excursions > 11.0 (n = 87, 93)4.3 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 13 Excursions (n = 89, 100)21.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 25 Excursions > 12.0 (n = 87, 98)2.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 13 Excursions < 9.0 (n = 89, 100)9.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 33 Excursions (n = 86, 90)22.2 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 13 Excursions > 11.0 (n = 89, 100)12.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 27 Excursions (n = 88, 94)21.3 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 13 Excursions > 12.0 (n = 89, 100)1.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 35 Excursions > 11.0 (n = 87, 88)8.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 15 Excursions (n = 89, 100)24.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 27 Excursions < 9.0 (n = 88, 94)16.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 15 Excursions < 9.0 (n = 89, 100)13.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 33 Excursions < 9.0 (n = 86, 90)11.1 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 15 Excursions > 11.0 (n = 89, 100)11.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 27 Excursions > 11.0 (n = 88, 94)5.3 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 15 Excursions > 12.0 (n = 89, 100)0.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 37 Excursions < 9.0 (n = 87, 93)12.9 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Hemoglobin Excursions at Each VisitWeek 17 Excursions (n = 89, 100)21.0 percentage of participants
Secondary

Percentage of Participants With Transfusion Events Overall and During Each Study Period

The percentage of participants who received red blood cell (RBC) transfusions during the study and during each study period.

Time frame: Overall Study: Study week 1 to week 41; Titration Period: Study week 1 to week 12; Evaluation Period: Study week 13 to week 37; Safety Follow-up Period: Study week 38 to week 41

Population: Primary analysis set with available data in each study period

ArmMeasureGroupValue (NUMBER)
Epoetin Alfa Alternative TitrationPercentage of Participants With Transfusion Events Overall and During Each Study PeriodOverall (n = 89, 100)6.7 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Transfusion Events Overall and During Each Study PeriodTitration Period (n = 89, 100)2.2 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Transfusion Events Overall and During Each Study PeriodEvaluation Period (n = 89, 100)5.6 percentage of participants
Epoetin Alfa Alternative TitrationPercentage of Participants With Transfusion Events Overall and During Each Study PeriodSafety Follow-up Period (n = 83, 90)1.2 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Transfusion Events Overall and During Each Study PeriodSafety Follow-up Period (n = 83, 90)1.1 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Transfusion Events Overall and During Each Study PeriodOverall (n = 89, 100)12.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Transfusion Events Overall and During Each Study PeriodEvaluation Period (n = 89, 100)10.0 percentage of participants
Epoetin Alfa USPI TitrationPercentage of Participants With Transfusion Events Overall and During Each Study PeriodTitration Period (n = 89, 100)1.0 percentage of participants
Secondary

Weekly Epoetin Alfa Dose at Each Visit

Time frame: Weeks 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, and 35

Population: Primary analysis set with available data at each time point

ArmMeasureGroupValue (MEAN)Dispersion
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 1 (n = 89, 100)13139.9 unitsStandard Deviation 9360.1
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 3 (n = 89, 100)9683.7 unitsStandard Deviation 9162.9
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 5 (n = 89, 100)8324.2 unitsStandard Deviation 8689.7
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 7 (n = 89, 100)9319.1 unitsStandard Deviation 7977.5
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 9 (n = 89, 100)9253.4 unitsStandard Deviation 8536.9
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 11 (n = 89, 100)10039.3 unitsStandard Deviation 9194.1
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 13 (n = 89, 100)10358.4 unitsStandard Deviation 10247.7
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 15 (n = 89, 100)8889.3 unitsStandard Deviation 8316.8
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 17 (n = 89, 100)10251.7 unitsStandard Deviation 9973.7
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 19 (n = 89, 100)10475.8 unitsStandard Deviation 10437
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 21 (n = 89, 99)9605.1 unitsStandard Deviation 8225
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 23 (n = 89, 98)8905.1 unitsStandard Deviation 7748.3
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 25 (n = 89, 98)7543.8 unitsStandard Deviation 7225.1
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 27 (n = 89, 96)9765.7 unitsStandard Deviation 12013.7
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 29 (n =89, 94)9088.8 unitsStandard Deviation 10146.9
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 31 (n = 88, 91)8543.2 unitsStandard Deviation 10821.7
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 33 (n = 87, 90)9019.0 unitsStandard Deviation 10466.9
Epoetin Alfa Alternative TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 35 (n = 87, 90)8709.2 unitsStandard Deviation 8631.9
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 27 (n = 89, 96)6662.5 unitsStandard Deviation 6362.8
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 1 (n = 89, 100)10400 unitsStandard Deviation 8439.9
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 19 (n = 89, 100)7112.5 unitsStandard Deviation 6300.4
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 3 (n = 89, 100)6912.5 unitsStandard Deviation 7459.4
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 35 (n = 87, 90)5950.6 unitsStandard Deviation 5364.6
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 5 (n = 89, 100)6874.0 unitsStandard Deviation 8204.3
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 21 (n = 89, 99)6909.6 unitsStandard Deviation 6102.5
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 7 (n = 89, 100)6411.0 unitsStandard Deviation 7040.6
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 29 (n =89, 94)6083.0 unitsStandard Deviation 6149.1
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 9 (n = 89, 100)8003.0 unitsStandard Deviation 7292.8
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 23 (n = 89, 98)6830.1 unitsStandard Deviation 6397
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 11 (n = 89, 100)6483.0 unitsStandard Deviation 6854.9
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 33 (n = 87, 90)6235.6 unitsStandard Deviation 6041.6
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 13 (n = 89, 100)7387.5 unitsStandard Deviation 7271.6
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 25 (n = 89, 98)7486.7 unitsStandard Deviation 6676.2
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 15 (n = 89, 100)6874.5 unitsStandard Deviation 5952.9
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 31 (n = 88, 91)6673.1 unitsStandard Deviation 6277.6
Epoetin Alfa USPI TitrationWeekly Epoetin Alfa Dose at Each VisitWeek 17 (n = 89, 100)6924.5 unitsStandard Deviation 6211.1

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026