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Clinical trialNCT06569108Active, not recruitingPhase 3Interventional

Efficacy and Safety of KN057 Prophylaxis in Patients With Haemophilia A or B Without Inhibitors

SponsorSuzhou Alphamab Co., Ltd.Enrollment125Hemophilia A Without InhibitorHemophilia B Without Inhibitor
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The purpose of this study is to show that KN057 can prevent bleeds in patients with haemophilia A or B without inhibitors and is safe to use. Participants receiving on-demand treatment prior to screening will be randomly assigned to Experimental group or Control group at a ratio of 2:1 in Part A. Participants receiving prophylaxis prior to screening will be nonrandomly assigned to Prophylaxis group in Part B. Participants in Experimental group will receive KN057 prophylaxis for 52 weeks upon enrollment. Participants in Control group will first receive on-demand treatment for 26 weeks, then switch to KN057 prophylaxis for 26 weeks. Participants in Prophylaxis group will first receive prophylaxis with coagulation factor for 26 weeks, then switch to KN057 prophylaxis for 26 weeks.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

China
  • Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences

    Tianjin, Tianjin Municipality, China

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

KN057
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
1 Apr 2024
Primary completion
15 Oct 2026
Completion
15 Dec 2026
Last update posted
17 Sept 2025
Registered enrollment
125
Registry id
NCT06569108
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.