The study consists of five sequential periods: * Screening (≤ 4 weeks) * Correction phase * Maintenance phase (first treatment cycle, Cycle 1) * Observation phase (second treatment cycle, Cycle 2) * Follow-up Eligible subjects are gynaecological-cancer patients who developed ≥ grade-2 cancer-therapy-induced thrombocytopenia (CTIT) after anti-tumour therapy, i.e. platelet count \< 75 × 10⁹/L. * Stage 1\*\* - Prospective, multicentre, randomised clinical study (to inform the confirmatory stage 2) \*\*Cohort 1 (n = 30)\*\* Correction: hetrombopag 7.5 mg p.o. daily until PLT ≥ 100 × 10⁹/L. Within 24 h after completion of Cycle 1 anti-cancer therapy (end of chemotherapy if combined; otherwise end of investigational product on that day) restart hetrombopag 7.5 mg p.o. daily and continue until the last day of Cycle 1 (C1D21). \*\*Cohort 2 (n = 30)\*\* Correction: hetrombopag 7.5 mg p.o. daily until PLT ≥ 100 × 10⁹/L. During Cycle 1, monitor PLT closely; if PLT falls \< 75 × 10⁹/L, initiate hetrombopag 7.5 mg p.o. daily and continue until C1D21. \*\*Stage 2\*\* - Prospective, multicentre, randomised, controlled clinical study \*(preliminary design; sample size and details will be refined after stage-1 results)\* \*\*Experimental arm (n = 92)\*\* Correction: hetrombopag 7.5 mg p.o. daily until PLT ≥ 100 × 10⁹/L. Restart within 24 h after completion of Cycle 1 therapy and continue daily until C1D21. \*\*Control arm (n = 92)\*\* Correction: hetrombopag 7.5 mg p.o. daily until PLT ≥ 100 × 10⁹/L. During Cycle 1, monitor PLT; if PLT \< 75 × 10⁹/L, initiate hetrombopag 7.5 mg p.o. daily until C1D21. \*\*Correction-phase rules\*\* Discontinue hetrombopag once PLT ≥ 100 × 10⁹/L. If after ≥ 14 days of hetrombopag correction PLT remains \< 100 × 10⁹/L and the next treatment cycle has not started, the investigator may resume hetrombopag or institute alternative platelet-enhancing rescue therapy at their discretion.
Age range
18 Years – 75 Years
Sex
FEMALE
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
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Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Proportion of subjects achieving a treatment response
Timeframe: At the end of the first cycle (each cycle is 28 days).