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Safety and Efficacy of STSP-0601 in Adult Patients With Hemophilia A or B Without Inhibitor

S

Staidson Biopharmaceuticals

Status and phase

Completed
Phase 2

Conditions

Hemophilia

Treatments

Drug: STSP-0601 for Injection

Study type

Interventional

Funder types

Industry
Other

Identifiers

NCT05619926
STSP-0601-03

Details and patient eligibility

About

This study will assess the safety,efficacy,pharmacokinetics and pharmacodynamics of multiple-dose of STSP-0601 at two dose levels for the treatment of bleeding episodes in hemophilia A or B patients without inhibitor.

Enrollment

32 patients

Sex

Male

Ages

18 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • 18 ≤age≤70 years of age,male;
  • Hemophilia A or B patients;
  • A bleeding event requiring treatment occurred (Only applicable to the on-demand treatment stage);
  • Factor VIII or IX level <2%, inhibitor titer < 0.6 BU;
  • There were at least 2 bleeding events that requiring treatment occurred in the past 6 months before screening (Only the second stage is applicable);
  • Establish proper venous access;
  • Agree to use adequate contraception to avoid pregnancy;
  • Provide signed informed consent.

Exclusion criteria

  • Have any coagulation disorder other than hemophilia;
  • Plan to receive prophylactic treatment of coagulation factor during the trail;
  • 4 weeks before screening, receive prophylactic treatment of amesetuzumab or plan to receive prophylactic treatment of amesetuzumab during the trial;
  • Patients received anticoagulant or antifibrinolytic therapy 7 days before enrollment or plan to receive these drugs during the trial;
  • Patients received anticoagulation therapy (such as coagulation factor replacement therapy, prothrombin complex, plasma, etc.) 7 days before enrollment;
  • Have a history of arterial and/or venous thrombotic events;
  • Platelet <100×109/L;
  • Hemoglobin<90g/L;
  • Severe liver or kidney disease;
  • Severe bleeding event occurred within 4 weeks before enrollment;
  • Accepted major operation or blood transfusion within 4 weeks before enrollment;
  • HIV positive;
  • Have a known allergy to STSP-0601;
  • Participate in other clinical research within 4 weeks before enrollment(except for participating in prothrombin complex, FVII, FVIIa, FVIII, FIX trails);
  • Patients not suitable for the trail according to the judgment of the investigators.

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Sequential Assignment

Masking

None (Open label)

32 participants in 2 patient groups

Consecutive doses of low-dose of STSP-0601
Experimental group
Treatment:
Drug: STSP-0601 for Injection
Consecutive doses of high-dose of STSP-0601
Experimental group
Treatment:
Drug: STSP-0601 for Injection

Trial contacts and locations

12

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Central trial contact

Yanli Wang

Data sourced from clinicaltrials.gov

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