Safety and Efficacy of Umbilical Cord Blood Therapy for Cancer Therapy-Induced Thrombocytopenia (… (NCT07441720) | Clinical Trial Compass
RecruitingPhase 2
Safety and Efficacy of Umbilical Cord Blood Therapy for Cancer Therapy-Induced Thrombocytopenia (CTIT)
China25 participantsStarted 2026-02-28
Plain-language summary
This study is a prospective, single-center, open-label, single-arm clinical trial to assess the safety and efficacy of umbilical cord blood in cancer treatment-induced thrombocytopenia (CTIT) patients. It plans to recruit subjects aged 12 to 65 years old with CTIT. The study involves intravenous infusion of umbilical cord blood, with platelet transfusion as supportive therapy if necessary. The trial consists of three phases: screening (baseline assessments and enrollment), treatment (umbilical cord blood infusion), and follow-up (blood routine tests at Days 3, 7, 14, and 28 post-treatment to record platelet counts, first response time, maximum and minimum values, and calculate efficacy rates while observing changes in thrombocytopenia grading). A total of 25 subjects will be enrolled, and they will undergo evaluation for safety and efficacy based on treatment-related adverse events, GVHD incidence, and hematological improvements.
Who can participate
Age range12 Years – 65 Years
SexALL
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Inclusion criteria
✓. Aged 12 to 65 years at the time of signing the informed consent, regardless of gender.
✓. Meets the diagnostic criteria for cancer treatment-induced thrombocytopenia (CTIT):Peripheral blood platelet count \< 100 × 10⁹/L; Prior definite exposure to a chemotherapy agent (or tumor-targeted therapy, immunotherapy, or other anti-tumor drugs) known to cause thrombocytopenia, with gradual improvement of thrombocytopenia-related symptoms/signs or normalization of platelet count after discontinuation of the offending drug; Presence or absence of bleeding tendency, such as petechiae, purpura, unexplained epistaxis, or even severe organ/tissue hemorrhage;
✓. No significant hepatic or renal impairment: ALT and AST ≤ 2.5 × upper limit of normal (ULN), serum creatinine (Cr) and blood urea nitrogen (BUN) ≤ 1.25 × ULN;
✓. Karnofsky Performance Status (KPS) score ≥ 60 (see Appendix 1), Eastern Cooperative Oncology Group (ECOG) performance status ≤ 2 (see Appendix 2);
✓. Estimated life expectancy of more than 3 months.
Exclusion criteria
✕. Other causes of thrombocytopenia, in particular exclusion of underlying diseases or comorbidities such as aplastic anemia, acute leukemia, radiation sickness, immune thrombocytopenia (ITP), hypersplenism, or bone marrow infiltration by tumor cells;