Skip to content

A Dose and Schedule Finding Trial With AMG 531 for Chemotherapy Induced Thrombocytopenia (CIT) in Adults With Lymphoma

An Open Label Dose and Schedule Finding Trial to Evaluate the Safety and Efficacy of AMG 531 for Treatment of Severe Thrombocytopenia Due to Multi-Cycle Chemotherapy in Adult Subjects With Lymphoma.

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00283439
Enrollment
39
Registered
2006-01-30
Start date
2005-10-31
Completion date
2008-09-30
Last updated
2011-06-20

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

Conditions

Cancer, Chemotherapy-Induced Thrombocytopenia, Hodgkin's Lymphoma, Non-Hodgkin's Lymphoma, Oncology, Thrombocytopenia

Keywords

NHL, chemotherapy induced thrombocytopenia, CIT, ICE, RICE, Hodgkin's Lymphoma, Non-Hodgkin's Lymphoma, CHOP, ESHAP, DHAP, R-CHOP, R-ESHAP, R-DHAP

Brief summary

The purpose of this study is to identify a well-tolerated, effective dose and schedule of AMG 531 for the treatment of Chemotherapy Induced Thrombocytopenia (CIT) in subjects with lymphoma receiving multi-cycle chemotherapy.

Interventions

BIOLOGICALAMG 531

Planned Cohorts: 1. 100 mcg, 2. 300 mcg, 3. 700 mcg, 4. 1000 mcg; Optional Cohorts: 5. cohort expansion, 6. schedule change, 7. new dose

Sponsors

Amgen
Lead SponsorINDUSTRY

Study design

Intervention model
PARALLEL
Primary purpose
SUPPORTIVE_CARE
Masking
NONE

Eligibility

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

Inclusion criteria

* Histologically confirmed Hodgkin's lymphoma or Non-Hodgkin's lymphoma receiving Q14, Q21, or Q28 day CHOP, ICE, ESHAP, or DHAP chemotherapy; with or without Rituximab * Has adequate bone marrow function; platelet count \> 100 x 10\^9/L on the day of initiation of the on study chemotherapy of the next treatment cycle and absolute neutrophil count, ANC \> or = 1 x 10\^9/L, and hemoglobin \> or = 9.5 g/dL * Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 * Has adequate liver function * must be able to receive the same chemotherapy regimen during the first treatment cycle as was received during the prior qualifying cycle * must experience Common Terminology Criteria (CTC) grade 3 or 4 thrombocytopenia (platelet count \< 50 x 10\^9/L) as a result of the chemotherapy administered in the cycle immediately preceding study entry * has serum creatinine concentration \< or = 2 mg/dl

Exclusion criteria

* More that 1 prior relapse chemotherapy regimen * Sepsis, disseminated coagulation or any other condition that may exacerbate thrombocytopenia * Significant bleeding (CTC grade 3 or 4) * History of thromboembolic disease * Subjects who are identified by clinical history and/or serological testing to have either acute or chronic hepatitis B or C infection or to be HIV positive * Use of any nitrosourea or mitomycin-C * Has received any thrombocytopenic growth factor * Has received a marrow or peripheral blood stem cell infusion * Known hypersensitivity to any recombinant E. coli-derived product

Design outcomes

Primary

MeasureTime frameDescription
Change in Platelet Nadir32 weeksChange in platelet nadir from the previous qualifying cycle to the first treatment cycle.

Secondary

MeasureTime frameDescription
Percentage of Subjects Experiencing Grade 3 or 4 Thrombocytopenia32 weeksPercentage of subjects experiencing grade 3 and/or 4 thrombocytopenia (\<50 x 10\^9/L, and \<25 x 10\^9/L)
Duration of Grade 3 or 4 Thrombocytopenia32 weeksDuration of grade 3 and/or 4 thrombocytopenia (\<50 x 10\^9/L and \<25 x 10\^9/L, respectively)
Percentage of Subjects That Received Platelet Transfusions32 weeksPercentage of subjects that received platelet transfusions during the first romiplostim treatment cycle

Participant flow

Recruitment details

Participants were enrolled from 15 March 2006 through 28 April 2008

Participants by arm

ArmCount
Romiplostim 100 µg
Romiplostim 100 µg administered by subcutaneous injection on the first day after chemotherapy
8
Romiplostim 300 µg
Romiplostim 300 µg administered by subcutaneous injection on the first day after chemotherapy
11
Romiplostim 700 µg
Romiplostim 700 µg administered by subcutaneous injection on the first day after chemotherapy
11
Romiplostim 1000 µg
Romiplostim 1000 µg administered by subcutaneous injection on the first day after chemotherapy
9
Total39

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003
Overall StudyAdverse Event0001
Overall StudyDeath0010
Overall StudyDisease progression0100
Overall StudyOther1000
Overall StudyRequirement for alternative therapy1252
Overall StudyStem cell transplant6643
Overall StudyTreatment discontinued0213

Baseline characteristics

CharacteristicRomiplostim 100 µgRomiplostim 300 µgRomiplostim 700 µgRomiplostim 1000 µgTotal
Age Continuous61.3 Year
STANDARD_DEVIATION 6.2
58.1 Year
STANDARD_DEVIATION 9.5
54.0 Year
STANDARD_DEVIATION 16.3
59.9 Year
STANDARD_DEVIATION 10.6
58.0 Year
STANDARD_DEVIATION 11.5
Race/Ethnicity, Customized
Black or African American
0 Participant0 Participant1 Participant1 Participant2 Participant
Race/Ethnicity, Customized
Hispanic or Latino
2 Participant1 Participant0 Participant0 Participant3 Participant
Race/Ethnicity, Customized
White or Caucasian
6 Participant10 Participant10 Participant8 Participant34 Participant
Sex: Female, Male
Female
3 Participants3 Participants4 Participants5 Participants15 Participants
Sex: Female, Male
Male
5 Participants8 Participants7 Participants4 Participants24 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —— / —
other
Total, other adverse events
6 / 89 / 117 / 119 / 9
serious
Total, serious adverse events
0 / 81 / 113 / 113 / 9

Outcome results

Primary

Change in Platelet Nadir

Change in platelet nadir from the previous qualifying cycle to the first treatment cycle.

Time frame: 32 weeks

Population: Efficacy Analysis Set, composed of all enrolled participants who received at least one dose of romiplostim, completed the first treatment cycle, and were not replaced per the protocol.

ArmMeasureValue (MEAN)Dispersion
Romiplostim 100 µgChange in Platelet Nadir17.1 10^9/LStandard Error 8.3
Romiplostim 300 µgChange in Platelet Nadir11.2 10^9/LStandard Error 6.1
Romiplostim 700 µgChange in Platelet Nadir5.1 10^9/LStandard Error 6.1
Romiplostim 1000 µgChange in Platelet Nadir-5.2 10^9/LStandard Error 7.8
p-value: 0.9654Satterhwaite t-test
p-value: 0.869Satterhwaite t-test
p-value: 0.7133Satterhwaite t-test
Secondary

Duration of Grade 3 or 4 Thrombocytopenia

Duration of grade 3 and/or 4 thrombocytopenia (\<50 x 10\^9/L and \<25 x 10\^9/L, respectively)

Time frame: 32 weeks

Population: Efficacy Analysis Set, composed of all enrolled participants who received at least one dose of romiplostim, completed the first treatment cycle, and were not replaced per the protocol.

ArmMeasureValue (MEAN)Dispersion
Romiplostim 100 µgDuration of Grade 3 or 4 Thrombocytopenia3.9 DayStandard Error 1.3
Romiplostim 300 µgDuration of Grade 3 or 4 Thrombocytopenia3.6 DayStandard Error 0.9
Romiplostim 700 µgDuration of Grade 3 or 4 Thrombocytopenia6.0 DayStandard Error 1.5
Romiplostim 1000 µgDuration of Grade 3 or 4 Thrombocytopenia8.3 DayStandard Error 2.1
p-value: 0.091Satterhwaite t-test
p-value: 0.3Satterhwaite t-test
p-value: 0.881Satterhwaite t-test
Secondary

Percentage of Subjects Experiencing Grade 3 or 4 Thrombocytopenia

Percentage of subjects experiencing grade 3 and/or 4 thrombocytopenia (\<50 x 10\^9/L, and \<25 x 10\^9/L)

Time frame: 32 weeks

Population: Efficacy Analysis Set, composed of all enrolled participants who received at least one dose of romiplostim, completed the first treatment cycle, and were not replaced per the protocol.

ArmMeasureValue (NUMBER)
Romiplostim 100 µgPercentage of Subjects Experiencing Grade 3 or 4 Thrombocytopenia62.5 Percentage of participants
Romiplostim 300 µgPercentage of Subjects Experiencing Grade 3 or 4 Thrombocytopenia81.8 Percentage of participants
Romiplostim 700 µgPercentage of Subjects Experiencing Grade 3 or 4 Thrombocytopenia80.0 Percentage of participants
Romiplostim 1000 µgPercentage of Subjects Experiencing Grade 3 or 4 Thrombocytopenia88.9 Percentage of participants
p-value: 0.294Fisher Exact
p-value: 0.608Fisher Exact
p-value: 0.603Fisher Exact
Secondary

Percentage of Subjects That Received Platelet Transfusions

Percentage of subjects that received platelet transfusions during the first romiplostim treatment cycle

Time frame: 32 weeks

Population: Efficacy Analysis Set, composed of all enrolled participants who received at least one dose of romiplostim, completed the first treatment cycle, and were not replaced per the protocol.

ArmMeasureValue (NUMBER)
Romiplostim 100 µgPercentage of Subjects That Received Platelet Transfusions12.5 Percentage of participants
Romiplostim 300 µgPercentage of Subjects That Received Platelet Transfusions0.0 Percentage of participants
Romiplostim 700 µgPercentage of Subjects That Received Platelet Transfusions30.0 Percentage of participants
Romiplostim 1000 µgPercentage of Subjects That Received Platelet Transfusions33.3 Percentage of participants
p-value: 0.576Fisher Exact
p-value: 0.588Fisher Exact
p-value: 0.421Fisher Exact

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