Actively Recruiting

Phase Not Applicable
Age: 18Years - 65Years
MALE
NCT05523128

The Efficacy and Safety of ZS802 in Chinese Hemophilia A Patients.

Led by Institute of Hematology & Blood Diseases Hospital, China · Updated on 2025-02-21

6

Participants Needed

1

Research Sites

156 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

A non-randomized, open-label, dose-escalation study to evaluate the safety, tolerability, kinetics and efficacy of a single intravenous infusion of ZS802 in hemophilia A subjects with endogenous FVIII ≤2%.

CONDITIONS

Official Title

The Efficacy and Safety of ZS802 in Chinese Hemophilia A Patients.

Who Can Participate

Age: 18Years - 65Years
MALE

Eligibility Criteria

Eligible

You may qualify if you...

  • Male aged 18 to 65 years
  • Confirmed diagnosis of hemophilia A with endogenous FVIII ≤2%
  • Endogenous FVIII activity <1% or 1-2% with >10 bleeding events in the past year or on prophylaxis
  • At least 150 prior exposure days to recombinant or plasma-derived FVIII products
  • Agree to use reliable barrier contraception and avoid sperm donation for 52 weeks after treatment
  • Able to understand, consent, comply with protocol, and willing to provide biological samples
Not Eligible

You will not qualify if you...

  • Hypersensitivity to study drug components or immunosuppressants
  • Unable to tolerate immunosuppressants or steroid drugs
  • Detectable FVIII inhibitor or history of FVIII inhibitor
  • History or current serious diseases including malignancy, autoimmune disease, severe heart disease, liver disease, active hepatitis B or C infection
  • Poorly controlled diabetes, uncontrolled blood pressure
  • Laboratory abnormalities: low hemoglobin, low platelets, elevated liver enzymes, high bilirubin, high creatinine, low albumin
  • Positive HIV or syphilis antibody
  • AAV5 capsid neutralizing antibody titer >1:5
  • Previous gene therapy or participation in other clinical trials recently
  • Planned surgery within 52 weeks after infusion
  • Recent blood donation or loss >400 mL within 3 months
  • Epilepsy, mental illness, or other incapacity
  • History of drug abuse or alcoholism
  • Poor compliance or unlikely to complete follow-up
  • Other clinically significant diseases or reasons deemed unsuitable by investigators

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Institute of Hematology & Blood Diseases Hospital

Tianjin, China

Actively Recruiting

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Research Team

L

Lei Zhang, MD

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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