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A Double-blind, Double-dummy, Parallel, Active-controlled, Randomized Trial to Evaluate Efficacy & Safety in Anemia Subjects

A Double-blind, Double-dummy, Parallel, Active-controlled, Randomized and Multi-center Trial to Investigate Efficacy and Safety in Subjects With Iron Deficiency Anemia for Ferrous (II) Glycine Sulphate Complex Versus Polyferose Capsules Therapy

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01425463
Enrollment
256
Registered
2011-08-30
Start date
2011-03-31
Completion date
2013-11-30
Last updated
2015-06-01

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

Conditions

Iron Deficiency Anemia

Keywords

Ferrous (II) Glycine Sulphate Complex, Polyferose, Ferro Sanol duodenal, Niferex, Iron Deficiency Anemia

Brief summary

To evaluate the efficacy and safety of 12 weeks treatment with Ferrous (II) Glycine Sulphate Complex in comparison to Polyferose capsules in Chinese subjects with manifest Iron Deficiency Anemia.

Interventions

DRUGFerrous (II) Glycine Sulphate Complex

Oral dose of 567.7 mg Ferrous (II) Glycine Sulphate Complex three times a day (t.i.d) for 12 weeks (equivalent to 300 mg iron element per day for 12 weeks). Administered orally with water.

DRUGPolyferose

Oral dose of 150 mg Polyferose Capsules twice daily (b.i.d) for 12 weeks (equivalent to 300 mg iron element per day for 12 weeks). Administered orally with water.

OTHERPlacebo to Ferrous (II) Glycine Sulphate Complex

Administered orally with water.

OTHERPlacebo to Polyferose

Administered orally with water.

Sponsors

Sanol GmbH
Lead SponsorINDUSTRY

Study design

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

Eligibility

Sex/Gender
ALL
Age
16 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* An iron deficiency anemia patient with Serum Ferritin \< 12 ng/mL, serum Hb-values \>60 and \< 120 g/L in males, \< 110 g/L in females

Exclusion criteria

* With any Mal-absorption Syndrome * With a history of Thalassemia or Sickle Cell Anemia * With untreated concurrent Vitamin B12 or Folate deficiency at Baseline

Design outcomes

Primary

MeasureTime frame
Change in Hemoglobin (Hb) From Baseline (Week 0) to Week 12From Baseline to Week 12

Secondary

MeasureTime frameDescription
Change in Hemoglobin (Hb) From Baseline (Week 0) to Week 2From Baseline to Week 2
Change in Hemoglobin (Hb) From Baseline (Week 0) to Week 4From Baseline to Week 4
Change in Hemoglobin (Hb) From Baseline (Week 0) to Week 8From Baseline to Week 8
Percentage of Responders at Week 12End of Treatment Period (Week 12)Responders are defined as having an increment of Hemoglobin (Hb) \> 15 g/L and post-treatment Hb \> 120 g/L (male) or \> 110 g/L (female) at Visit 6 (Week 12).

Countries

China

Participant flow

Recruitment details

This multicenter study started to enroll subjects in March 2011 in order to end up with 16 centers in China with enrolled subjects.

Pre-assignment details

Participant Flow refers to the Randomized Set (RS). The RS includes all subjects who have a randomization number recorded on the Case Report Form (CRF).

Participants by arm

ArmCount
Ferrous (II) Glycine Sulphate Complex
Ferrous (II) Glycine Sulphate Complex treatment with 567.7 mg three times a day (t.i.d.) for 12 weeks plus Placebo to Polyferose. Ferrous (II) Glycine Sulphate Complex: Oral dose of 567.7 mg Ferrous (II) Glycine Sulphate Complex three times a day (t.i.d) for 12 weeks (equivalent to 300 mg iron element per day for 12 weeks). Administered orally with water. Placebo to Polyferose: Administered orally with water.
122
Polyferose
Polyferose treatment with 150 mg twice daily (b.i.d) for 12 weeks plus Placebo to Ferrous (II) Glycine Sulphate Complex. Polyferose: Oral dose of 150 mg Polyferose Capsules twice daily (b.i.d) for 12 weeks (equivalent to 300 mg iron element per day for 12 weeks). Administered orally with water. Placebo to Ferrous (II) Glycine Sulphate Complex: Administered orally with water.
116
Total238

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event57
Overall StudyLack of Efficacy11
Overall StudyLost to Follow-up52
Overall StudyProtocol Violation22
Overall StudyUnknown Reason47
Overall StudyWithdrawal by Subject75

Baseline characteristics

CharacteristicFerrous (II) Glycine Sulphate ComplexPolyferoseTotal
Age, Continuous37.2 years
STANDARD_DEVIATION 8.5
37.8 years
STANDARD_DEVIATION 7.9
37.5 years
STANDARD_DEVIATION 8.2
Height161.2 centimeter (cm)
STANDARD_DEVIATION 4.4
161.2 centimeter (cm)
STANDARD_DEVIATION 4.6
161.2 centimeter (cm)
STANDARD_DEVIATION 4.5
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
122 Participants116 Participants238 Participants
Race (NIH/OMB)
Black or African American
0 Participants0 Participants0 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
0 Participants0 Participants0 Participants
Region of Enrollment
China
122 participants116 participants238 participants
Sex: Female, Male
Female
122 Participants115 Participants237 Participants
Sex: Female, Male
Male
0 Participants1 Participants1 Participants
Weight58.2 kilogram (kg)
STANDARD_DEVIATION 7.8
58.1 kilogram (kg)
STANDARD_DEVIATION 7.6
58.1 kilogram (kg)
STANDARD_DEVIATION 7.7

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
22 / 12625 / 122
serious
Total, serious adverse events
3 / 1263 / 122

Outcome results

Primary

Change in Hemoglobin (Hb) From Baseline (Week 0) to Week 12

Time frame: From Baseline to Week 12

Population: The Analysis Population refers to the Per-Protocol Set (PPS), which is defined as a subset of the FAS, excluding all subjects with protocol deviations considered important for the subjects' validity concerning the efficacy analysis.

ArmMeasureValue (MEAN)Dispersion
Ferrous (II) Glycine Sulphate ComplexChange in Hemoglobin (Hb) From Baseline (Week 0) to Week 1231.47 gramm per liter (g/L)Standard Deviation 23.77
PolyferoseChange in Hemoglobin (Hb) From Baseline (Week 0) to Week 1231.92 gramm per liter (g/L)Standard Deviation 21.82
95% CI: [-8.47, 4.09]
Secondary

Change in Hemoglobin (Hb) From Baseline (Week 0) to Week 2

Time frame: From Baseline to Week 2

Population: The Analysis Population refers to the Per-Protocol Set (PPS), which is defined as a subset of the FAS, excluding all subjects with protocol deviations considered important for the subjects' validity concerning the efficacy analysis.

ArmMeasureValue (MEAN)Dispersion
Ferrous (II) Glycine Sulphate ComplexChange in Hemoglobin (Hb) From Baseline (Week 0) to Week 212.29 gramm per liter (g/L)Standard Deviation 13.6
PolyferoseChange in Hemoglobin (Hb) From Baseline (Week 0) to Week 212.79 gramm per liter (g/L)Standard Deviation 13.13
Secondary

Change in Hemoglobin (Hb) From Baseline (Week 0) to Week 4

Time frame: From Baseline to Week 4

Population: The Analysis Population refers to the Per-Protocol Set (PPS), which is defined as a subset of the FAS, excluding all subjects with protocol deviations considered important for the subjects' validity concerning the efficacy analysis.

ArmMeasureValue (MEAN)Dispersion
Ferrous (II) Glycine Sulphate ComplexChange in Hemoglobin (Hb) From Baseline (Week 0) to Week 420.37 gramm per liter (g/L)Standard Deviation 19.63
PolyferoseChange in Hemoglobin (Hb) From Baseline (Week 0) to Week 420.16 gramm per liter (g/L)Standard Deviation 17.46
Secondary

Change in Hemoglobin (Hb) From Baseline (Week 0) to Week 8

Time frame: From Baseline to Week 8

Population: The Analysis Population refers to the Per-Protocol Set (PPS), which is defined as a subset of the FAS, excluding all subjects with protocol deviations considered important for the subjects' validity concerning the efficacy analysis.

ArmMeasureValue (MEAN)Dispersion
Ferrous (II) Glycine Sulphate ComplexChange in Hemoglobin (Hb) From Baseline (Week 0) to Week 826.57 gramm per liter (g/L)Standard Deviation 22.67
PolyferoseChange in Hemoglobin (Hb) From Baseline (Week 0) to Week 828.33 gramm per liter (g/L)Standard Deviation 20.9
Secondary

Percentage of Responders at Week 12

Responders are defined as having an increment of Hemoglobin (Hb) \> 15 g/L and post-treatment Hb \> 120 g/L (male) or \> 110 g/L (female) at Visit 6 (Week 12).

Time frame: End of Treatment Period (Week 12)

Population: The Analysis Population refers to the Per-Protocol Set (PPS), which is defined as a subset of the FAS, excluding all subjects with protocol deviations considered important for the subjects' validity concerning the efficacy analysis.

ArmMeasureValue (NUMBER)
Ferrous (II) Glycine Sulphate ComplexPercentage of Responders at Week 1271.6 percentage of participants
PolyferosePercentage of Responders at Week 1280.4 percentage of participants

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