Hetrombopag for the Prevention of ADC-Induced Thrombocytopenia in Breast Cancer: An Exploratory, Dual-Cohort, Phase 2 Study

Trial statusNot yet recruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18-75
SponsorFujian Cancer Hospital

About this trial

The title of this study is: A two-cohort, single-arm, exploratory Phase II clinical study on the primary/secondary prevention ADC drug of heltrombopag for thrombocytopenia caused by breast cancer. This study is a two-cohort, single-arm, open-label, exploratory clinical trial for the prevention of thrombocytopenia caused by ADC drug treatment for breast cancer. This research was supported by Fujian Cancer Hospital. The protocol has been reviewed by the Ethics Committee of Fujian Cancer Hospital, which has agreed to conduct this clinical study.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

1. Age: 18 -75 years old, gender not limited.

2. Breast cancer patients diagnosed by histopathological or cytological examination;

3. Cohort 1: Planned to receive ADC drug treatment; Cohort 2: Patients who received ADC drug treatment in the previous chemotherapy cycle and had a minimum PLT value of less than 75*109/L are expected to maintain the same chemotherapy regimen for ≥2 cycles.

4. Expected survival period ≥12 weeks;

Disqualifiers

1. Screening or baseline platelet value ≤10×109/L;

2. Patients who are currently taking pyrotinib, dalciclib or other CDK4/6 class drugs

3. Thrombocytopenia caused by non-tumor treatment occurred within 6 months before screening, including but not limited to liver cirrhosis with hypersplenism, infection and bleeding, etc.

4. Suffering from other hematopoietic system diseases except for thrombocytopenia caused by anti-tumor therapy, including leukemia, primary immune thrombocytopenia, myeloproliferative disorders, multiple myeloma and myelodysplastic syndrome, etc.

Trial design

Design model

Single group

Treatments tested in this trial

  • herombopag olamine tablets

    Drug

    Starting from day 1 after chemotherapy, oral administration ofherombopag olamine tablets at a dose of 5mg per day (the initial dose) was administered for 14 consecutive days. Blood routine tests of the subjects were collected on days 7, 10, and 14 respectively, and the dose of herombopag olamine tablets was adjusted according to PLT

Treatment groups

72 Participants
are divided into 2 treatment groups
Group A: Primary preventionExperimental treatment 1 intervention
Group B: Secondary preventionExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

The incidence rate of Grade 3 and above Cancer Therapy - Induced Thrombocytopenia (CTIT)

Time frame
During the period of oral medication (14 days

Secondary outcomes

Other outcomes

Locations

This trial has no locations.

Sponsors and contacts

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