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Prospective, single-arm, open, multicenter clinical trial of monoclonal antibody to complement protein C5 for the prevention of GVHD after haplotype hematopoietic stem cell transplantation for SAA

Prospective, single-arm, open, multicenter clinical trial of monoclonal antibody to complement protein C5 for the prevention of GVHD after haplotype hematopoietic stem cell transplantation for SAA

Status
Recruiting
Phases
Phase 4
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500110686
Enrollment
Unknown
Registered
2025-10-17
Start date
2024-03-05
Completion date
Unknown
Last updated
2025-10-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Relapsed/refractory autoimmune hemolytic anemia with warm antibody

Interventions

Test group:Bendamustine + Rituximab

Sponsors

Suzhou Hongci Blood Disease Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. The diagnostic criteria of relapsed/refractory wAIHA were met. The diagnostic criteria of relapsed/refractory wAIHA were as follows: (1) glucocorticoid 1.0-2.0 mg/kg failed to respond after 3 weeks of treatment; (2) glucocorticoid corticosteroid therapy dependence (daily maintenance dose of prednisone >= 15 mg);(3) Two or more treatment measures (glucocorticoid, rituximab, splenectomy) were ineffective or relapsed; (4) Two or more immunosuppressive drugs were used to treat HGB 110g/L. 2. No treatment contraindication; 3. The patient has the ability to understand and is willing to participate in the study, signs the informed consent form (ICF form), and is willing to comply with all study visits and procedures.

Exclusion criteria

Exclusion criteria: 1. At the same time, he suffers from other serious physical or mental diseases that may affect the expression of his condition and the validity of informed consent or lead to the survival of the patient within 2 years; 2. Chronic infections (including bacterial, fungal or viral infections) that are difficult to control should be carried out after effective control;rol, such as dental caries, otitis media, sinusitis, etc., should be carried out after effective control; 3. Severe impairment of immune response (e.g hypogammaglobulinemia, severe decrease in CD4 or CD8 cell count); 4. Severe organ dysfunction; 5. Decompensated hepatic insufficiency and active hepatitis; 6. History of severe autoimmune disease; 7. Other malignant tumors within 5 years before initial diagnosis; 8. History of severe allergy to biological products (including antibiotics); 9. Pregnant or lactating women.

Design outcomes

Primary

MeasureTime frame
2-year recurrence free survival;

Secondary

MeasureTime frame
HGB > 20g/L increase from baseline to PR onset times;FACIT fatigue score and improvement of quality of life.;The onset time of HGB rising to normal range and reaching CR/CRi (complete remission with compensated hemolytic state);;

Countries

China

Contacts

Public ContactLimin Liu

Suzhou Hongci Blood Disease Hospital

liminliu2006@163.com+86 512 8066 8069

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026