Proof of Concept Study to Assess the Efficacy, Safety of HRS-5965 in Patients With Paroxysmal Nocturnal Hemoglobinuria

Sponsor
Chengdu Suncadia Medicine Co., Ltd. (Industry)
Overall Status
Not yet recruiting
CT.gov ID
NCT06051357
Collaborator
(none)
24
2
13

Study Details

Study Description

Brief Summary

This is a multicenter, randomized, open-label phase II clinical trial. A total of 24 patients with paroxysmal nocturnal hemoglobinuria naïve to complement inhibitor therapy were included. Subjects were treated with HRS-5965 for 12 weeks.

Condition or Disease Intervention/Treatment Phase
  • Drug: HRS-5965 tablets
Phase 2

Study Design

Study Type:
Interventional
Anticipated Enrollment :
24 participants
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Masking:
None (Open Label)
Primary Purpose:
Treatment
Official Title:
An Multicenter, Randomized, Open-label Proof of Concept Study to Assess the Efficacy, Safety of HRS-5965 in Patients With Paroxysmal Nocturnal Hemoglobinuria (PNH)
Anticipated Study Start Date :
Sep 1, 2023
Anticipated Primary Completion Date :
Oct 1, 2024
Anticipated Study Completion Date :
Oct 1, 2024

Arms and Interventions

Arm Intervention/Treatment
Experimental: Treatment group A

Drug: HRS-5965 tablets
HRS-5965 tablets for 12 weeks

Experimental: Treatment group B

Drug: HRS-5965 tablets
HRS-5965 tablets for 12 weeks

Outcome Measures

Primary Outcome Measures

  1. Changes in hemoglobin. [12 weeks]

Secondary Outcome Measures

  1. Changes in LDH. [12 weeks]

  2. Changes in haptoglobin. [12 weeks]

  3. Changes in bilirubin. [12 weeks]

  4. Changes in reticulocyte counts. [12weeks]

  5. Changes in C3 complement fragment deposition. [12 week]

  6. Percentage of patients who did not receive a blood transfusion. [12 weeks]

  7. Number of RBC units of transfused. [12weeks]

  8. Incidence and severity of adverse events [16 weeks]

  9. Incidence of thromboembolic events. [16 weeks]

  10. Plasma concentration of HRS-5965. [12 weeks]

Eligibility Criteria

Criteria

Ages Eligible for Study:
18 Years and Older
Sexes Eligible for Study:
All
Accepts Healthy Volunteers:
No
Inclusion Criteria:
  1. Diagnosis of PNH confirmed by flow cytometry with clone size ≥ 10%.

  2. Have not received complement inhibitor therapy ;

  3. LDH > 1.5×ULN;

  4. Hemoglobin level < 10 g/dL.

Exclusion Criteria:
  1. Known or suspected hereditary or acquired complement deficiency;

  2. Patients with laboratory evidence of bone marrow failure (reticulocytes <100x109/L; platelets <30x109/L; neutrophils <0.5x109/L);

  3. Presence or suspicion of a systemic active bacterial, viral, or fungal infection (based on judgment of the investigator) within 2 weeks prior to the first dose of HRS-5965;

  4. History of infection with capsular bacteria (e.g., meningococcus, pneumococcus, etc.)

  5. Positive of HIV, HBsAg or HCVAb.

Contacts and Locations

Locations

No locations specified.

Sponsors and Collaborators

  • Chengdu Suncadia Medicine Co., Ltd.

Investigators

None specified.

Study Documents (Full-Text)

None provided.

More Information

Publications

None provided.
Responsible Party:
Chengdu Suncadia Medicine Co., Ltd.
ClinicalTrials.gov Identifier:
NCT06051357
Other Study ID Numbers:
  • HRS-5965-202
First Posted:
Sep 22, 2023
Last Update Posted:
Sep 22, 2023
Last Verified:
Sep 1, 2023
Individual Participant Data (IPD) Sharing Statement:
Undecided
Plan to Share IPD:
Undecided
Studies a U.S. FDA-regulated Drug Product:
No
Studies a U.S. FDA-regulated Device Product:
No
Additional relevant MeSH terms:

Study Results

No Results Posted as of Sep 22, 2023