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Study identifier: NCT03407651 Synced from ClinicalTrials.gov · August 10, 2026
● Study status: Completed

Study of Coagulation Factor VIIa Variant Marzeptacog Alfa (Activated) in Adult Subjects With Hemophilia A and B

Condition: Hemophilia A With Inhibitor · Hemophilia B With Inhibitor  ·  Sponsor: Catalyst Biosciences

PhasePhase 2
Planned participants11
Who can joinMale, 18 Years to no upper limit
Healthy volunteersNoCheck eligibility criteria ↓
Where9 locations · 5 countries
For sponsors, CROs & site teams
Professional view of this study — listed sites, countries and recruiting context from the public registry. Everything below is written for patients and caregivers.See where this study is running →

About this study

Phase 2, multi-center, open-label study designed to evaluate the PK, bioavailability, PD, efficacy and safety of a daily subcutaneous \[SC\] treatment regimen with MarzAA for bleeding prophylaxis in 12 adult subjects with hemophilia A or B with an inhibitor and history of frequent spontaneous bleeding episodes.

This description comes directly from the study's public registry record.

Talk to the study team

No contact information is available for this study as per the public registry record.

Always discuss trial participation with your own doctor first.

Full eligibility criteria (exactly as the study team wrote them)

Inclusion Criteria: * Severe congenital hemophilia A or B with an inhibitor. * History of frequent spontaneous bleeding episodes. * Male, age 18 or older. * Affirmation of informed consent with signature confirmation before any trial-related activities. Exclusion Criteria: * Receiving prophylaxis treatment. * Previous participation in a clinical trial evaluating a modified rFVIIa agent. * Known positive antibody to FVII or FVIIa detected by central laboratory at screening. * Have a coagulation disorder other than hemophilia A or B. * Significant contraindication to participation.

Reproduced word-for-word from the public registry record — the study team can answer questions about it.

Locations (9)

Hematology Center after Prof. R. YeolyanYerevan, Armenia
JSC "K.Eristavi National Center of Experimental and Clinical Surgery"Tbilisi, Georgia
LTD M.Zodelava Hematology CentreTbilisi, Georgia
LTD Medinvest - Institute of Hematology and TransfusiologyTbilisi, Georgia
Gabinet Lekarski, Bartosz KorczowskiRzeszów, Poland
Regional Clinical HospitalKemerovo, Russia
FGU Kirov Scientific ResearchKirov, Russia
Center for Hemophilia TreatmentSaint Petersburg, Russia
Haemophilia Comprehensive Care CentreJohannesburg, South Africa

More studies in these areas

This study lists sites in the areas below. Each link shows other recruiting studies near that city, from the public registry record.

YerevanTbilisiRzeszówKemerovo

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