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To assess the efficacy and safety of an optimised dosing regimen of rhTPO's prophylactic treatment of cancer treatment-induced thrombocytopenia(CTIT) and to explore the cardioprotective effect of rhTPO in cancer patients with high risk of treatment-induced cardiac injury.
Full description
This is an open-label prospective randomized multicenter study of rhTPO's prophylactic treatment of CTIT in patients receiving chemotherapy at high risk of cardiac injury. Adult cancer patients with high risk of cancer treatment-induced thrombocytopenia and cardiac injury were enrolled. Patients will be randomised into the rhTPO treatment group or non-rhTPO treatment group with a 2:1 ratio. The patients in rhTPO group will receive rhTPO 300U/kg/d subcutaneous injection for 5 days per cycle and total 3 cycles. The primary endpoint is to observe the improvement of platelet count by rhTPO during 3 cycles treatment period.
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Inclusion criteria
Males or females greater than or equal to 18 years of age at signing of the informed consent.
Patients clinically judged to be at high risk of CTIT: Patients who had a platelet count below 50×10^9/L in the past 3 months; or patients who meet the criteria for prophylactic treatment in the Chinese Expert Consensus on the Management of Thrombocytopenia due to Oncology Chemotherapy (2018 Edition).The criteria for prophylactic treatment include: 1) The nadir platelet value in the last chemotherapy cycle was <50×10^9/L;Or 2)The patients with nadir platelet value ≥50×10^9/L and <75×10^9/L in the previous chemotherapy cycle also met at least one of the following risk factors for bleeding:
Platelet count ≥75×10^9/L and <150×10^9/L, Hemoglobin ≥9.0 g/dL and absolute neutrophils ≥1.5×10^9 /L during screening.
Patients with medium and high-risk with cardiotoxicity risk score (CRS) ≥3 and ECOG score of 0, 1, or 2 during screening.
The current tumor treatment belongs to the scope of neoadjuvant, adjuvant, relapsed metastatic/advanced first-line and second-line therapies, anticipated to receive at least 2 cycles of current regimen with survival ≥ 6 months. The regimens may be 14-day, 21-day or 28-day cycles combined with targeted, immunotherapy, etc.
Inclusion of organ tumours and lymphomas, with no restriction on the type and stage of organ tumours, etc.
Patient provided signed informed consent
Exclusion criteria
Patients with severe cerebrovascular disease (including but not limited to stroke, cerebrovascular accident, etc.) or serious heart disease (such as heart valve disease, arrhythmia, myocardial infarction, congenital heart disease, cardiomyopathy, heart failure, etc.) within the 3 months.
Previous thrombocytopenia caused by non-oncology chemotherapy drugs within 6 months, including but not limited to primary immune thrombocytopenia, EDTA-dependent pseudo-thrombocytopenia, hypersplenism, etc.
Patients with blood dysplasia-related diseases such as aplastic anemia, myeloproliferative diseases, multiple myeloma, myelodysplastic syndromes, etc.
Patients with any arterial and venous thrombotic events within the past 6 months;
Patients who had agents that increase platelet production or transfusion of platelets within the past 1 month.
Abnormal liver function:
Abnormal renal function: Scr≥1.5ULN or eGFR≤60ml/min.
Patients with uncontrolled serious infection;
Pregnant women or those planning to have children during the study period and breastfeeding patients.
Any condition that the investigator considers inappropriate for inclusion in this study.
Primary purpose
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Interventional model
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165 participants in 2 patient groups
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Central trial contact
Jiwei Liu, MD; Fengqi Fang, MD
Data sourced from clinicaltrials.gov
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