NCT05652595

Brief Summary

Bioequivalence Study of GP40141 (GEROPHARM) versus Enplate®. The study of comparative pharmacodynamics, pharmacokinetics and safety of drugs containing romiplostim in healthy volunteers after a single subcutaneous injection.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
56

participants targeted

Target at P50-P75 for phase_1

Timeline
Completed

Started Jun 2022

Typical duration for phase_1

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 3, 2022

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

December 7, 2022

Completed
8 days until next milestone

First Posted

Study publicly available on registry

December 15, 2022

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2024

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 30, 2024

Completed
Last Updated

December 15, 2022

Status Verified

December 1, 2022

Enrollment Period

2.1 years

First QC Date

December 7, 2022

Last Update Submit

December 14, 2022

Conditions

Keywords

romiplostim

Outcome Measures

Primary Outcomes (2)

  • AUCplt

    the total area under the curve "amount platelets - time" in the time interval from "-45 minutes" to the moment t (day 32 after injection)

    -45, -30, -15 min and days 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 32 post injection

  • Pmax

    maximum number of platelets count (any time)

    -45, -30, -15 min and days 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 32 post injection

Secondary Outcomes (7)

  • Pmax/P0

    -45, -30, -15 min and days 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 32 post injection

  • tPmax

    -45, -30, -15 min and days 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 32 post injection

  • AUC0-t

    -15 min and 1, 2, 4, 8, 12, 16, 24, 32, 40, 48, 60, 72 hour post injection, and additionally 4, 5, 6, 8, 10, 12, 16, 20 days post injection

  • Cmax

    -15 min and 1, 2, 4, 8, 12, 16, 24, 32, 40, 48, 60, 72 hour post injection, and additionally 4, 5, 6, 8, 10, 12, 16, 20 days post injection

  • Tmax

    -15 min and 1, 2, 4, 8, 12, 16, 24, 32, 40, 48, 60, 72 hour post injection, and additionally 4, 5, 6, 8, 10, 12, 16, 20 days post injection

  • +2 more secondary outcomes

Study Arms (2)

TR Sequence

EXPERIMENTAL

first Intervention period - subjects are administered test medecine (GP40141) and in seconde Intervention period subjects are administered reference medecine (Nplate)

Drug: GP40141Drug: Nplate

RT Sequence

EXPERIMENTAL

first Intervention period subjects are administered reference medecine (Nplate) and in seconde Intervention period subjects are administered test medecine (GP40141)

Drug: GP40141Drug: Nplate

Interventions

Once, at a dose of 3 mcg/kg, Subcutaneously in the shoulder area

Also known as: romiplostim
RT SequenceTR Sequence
NplateDRUG

Once, at a dose of 3 mcg/kg, Subcutaneously in the shoulder area

Also known as: romilostim
RT SequenceTR Sequence

Eligibility Criteria

Age18 Years - 45 Years
Sexmale(Gender-based eligibility)
Gender Eligibility Detailsmales
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Signed informed consent form. Male aged 18 to 45 years. Verified diagnosis is "healthy" according to data Standard clinical, laboratory and Instrumental methods of examination.
  • The level of platelets count (according to the clinical blood test) at screening ranged from the lower threshold of reference values to 306×109/l (inclusive).
  • Body mass index between 18,5 and 30 kg/m2, with body weight 60-100 kg Consent to comply with an adequate method of effective contraception throughout the study.
  • The consent of volunteers to all restrictions imposed during the study. Russian Federation Citizens

You may not qualify if:

  • History of allergic problems/events. Hypersensitivity to heparin, romiplostim or any of the excipients of the drugs studied or E.coli protein.
  • Any acute and chronic diseases, including but not limited to cardiovascular system diseases, bronchopulmonary diseases, neuroendocrine systems diseases, as well as diseases of the gastrointestinal tract, liver, kidneys, blood.
  • Positive testing for hepatitis C (antibodies) or hepatitis B (surface antigen), HIV (antibodies to HIV-1/2), syphilis (antibodies to Treponema pallidum).
  • The WHO norms deviations of the heart rate (60-89), Sistolic BP (90-139 mm Hg), Diatolic BP (60-89 mm Hg), respiratory rate (12-20), body temperature (35.7 - 37.0 °C).
  • Abnormal ECG during screening. Abnormal results of laboratory methods research. Inaccessible veins of the upper extremities, vein thrombosis, thrombophlebitis in the anamnesis or in the family history of the next of kin, "compromised" veins due to frequent previous venipuncture.
  • Surgical interventions on the spleen, splenectomy in anamnesis. Acute infectious diseases in less than 4 weeks before the start of the study. Diseases of the blood, hematopoietic organs and disorders, involving the immune mechanism (ICD-10: D50-D89) in history.
  • History of arterial and venous thromboses. Presence of malignant (ICD-10: C00-C97) or unknown malignancy of neoplasms (ICD-10: D37-D48), as well as neoplasms in situ (ICD-10: D00-D09) within the last 5 years.
  • Regular intake of medications, including vitamins, herbal preparations, and dietary supplements, less than 2 weeks before the start of the study.
  • Incomplete recovery from surgery or surgery scheduled for the duration of the subject's participation in the study.
  • Significant loss of blood within 3 months prior to screening, including but not limited to blood donation or extended surgery or trauma resulting in the blood loss.
  • History of alcohol or drugs abuse or any indication of the regular use of more than 10 units of alcohol per week (1 Unit = 200 mL of wine or 500 mL of beer or 50 mL of alcohol 40%).
  • Positive test results for alcohol or drug use. Nicotine addiction, regular use of tobacco, including all types of electronic cigarettes, less than 6 months prior to screening.
  • Participation in a clinical trial of any drugs (including experimental) or experimental medical devices for 3 months or 5 half-lives, whichever is longer, before the study.
  • Dehydration due to diarrhea, vomiting, or other causes within the last 24 hours before the start of the study.
  • Any diet (for example, vegetarian, fasting, etc.) or lifestyle (including night work and extreme physical activity) that may interfere with the study.
  • +2 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Yaroslavl Region "Clinical Hospital No. 3", ,, Mayakovskogo st., 61

Yaroslavl, 150007, Russia

RECRUITING

Related Publications (1)

  • Makarenko I, Dorotenko A, Noskov S, Banko V, Saparova V, Khokhlov A, Zoreeva E, Nedorubov A, Zinnatulina B, Gefen M, Drai R. A randomized, double-blind, comparative study of the pharmacodynamics and pharmacokinetics of GP40141 (romiplostim biosimilar) and reference romiplostim in healthy male volunteers. Pharmacol Res Perspect. 2023 Oct;11(5):e01125. doi: 10.1002/prp2.1125.

MeSH Terms

Interventions

romiplostim

Study Officials

  • Igor Mr Makarenko, PhD

    GEROPHAM

    STUDY CHAIR

Central Study Contacts

Igor Mr Makarenko, PhD

CONTACT

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Model Details: double-blind, randomized, cross-over study of comparative pharmacodynamics and pharmacokinetics
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 7, 2022

First Posted

December 15, 2022

Study Start

June 3, 2022

Primary Completion

June 30, 2024

Study Completion

September 30, 2024

Last Updated

December 15, 2022

Record last verified: 2022-12

Data Sharing

IPD Sharing
Will not share

Locations