A Study to Evaluate the Efficacy and Safety of Hetrombopag Olamine Tablets Vs Placebo in Patients With Chemotherapy-Induced Thrombocytopenia (ExCIT)
A Randomized, Multi-Center, Double-Blind, Phase III Study Evaluating the Efficacy and Safety of Hetrombopag Olamine Tablets Vs Placebo in Patients With Chemotherapy-Induced Thrombocytopenia
1 other identifier
interventional
150
11 countries
51
Brief Summary
The ExCIT study is being conducted to evaluate the efficacy, and safety of of Hetrombopag Olamine Tablets Vs Placebo in Patients with Chemotherapy-Induced Thrombocytopenia.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_3
Started Apr 2026
Typical duration for phase_3
51 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 10, 2025
CompletedFirst Posted
Study publicly available on registry
December 16, 2025
CompletedStudy Start
First participant enrolled
April 16, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2028
ExpectedStudy Completion
Last participant's last visit for all outcomes
June 1, 2029
October 1, 2026
September 1, 2026
2.6 years
December 10, 2025
September 28, 2026
Conditions
Outcome Measures
Primary Outcomes (6)
Part A: Cmax of hetrombopag in non-Asian participants with CIT, around 6 months.
around 6 months.
Part A: AUC0-tauof hetrombopag in non-Asian participants with CIT, around 6 months.
around 6 months.
Part A: Cmin of hetrombopag in non-Asian participants with CIT, around 6 months.
around 6 months.
Part B: A platelet count of ≥100×109/L within 14 days after initiating the investigational product treatment, around 3 years.
around 3 years.
Part B: No use of any rescue therapy for thrombocytopenia during the treatment period from the initiation of investigational product treatment until the end of the primary treatment period, around 3 years.
around 3 years.
Part B: Complete two consecutive on-study chemotherapy cycles (Cycle 1 and Cycle 2) without thrombocytopenia-induced modification of any myelosuppressive agent, around 3 years.
around 3 years.
Secondary Outcomes (5)
Proportion of participants achieving platelet count ≥100×109/L without the use of rescue therapy within 14 days after initiating the investigational product treatment, around 3 years.
around 3 years.
Platelet count nadir from Cycle 1 Day 1 until the primary treatment period, around 3 years.
around 3 years.
Proportion of participants free from serious bleeding events, during the treatment period from the initiation of IP treatment until the primary treatment period, around 3 years.
around 3 years.
Proportion of participants with neutropenia during the treatment period from the initiation of IP treatment until the primary treatment period, around 3 years.
around 3 years.
Number of Adverse Events/Serious Adverse Events, safety lab parameters, vital signs, etc within study period, around 3 years.
around 3 years.
Study Arms (2)
Part A: Hetrombopag Olamine
EXPERIMENTALPart B: Hetrombopag Olamine vs Hetrombopag Olamine Placebo
EXPERIMENTALInterventions
For Part A, all participants would receive hetrombopag treatment.
For Part B, participants would be randomized to receive hetrombopag treatment or matching placebo, respectively.
Eligibility Criteria
You may qualify if:
- Male or female, age ≥ 18 years at screening.
- Histologically or cytologically confirmed solid tumor (e.g., non-small-cell lung carcinoma \[NSCLC\], breast, ovarian, bladder, pancreatic, gastrointestinal, or colon/colorectal cancer).
- Receiving platinum- and/or gemcitabine-containing chemotherapy regimens on 14- or 21-day treatment cycles.
- Platelet count \< 85 x 109/L at enrollment.
- For Part B, experiencing a chemotherapy delay of ≥ 7 days due to CIT.
- At least 2 scheduled chemotherapy cycles of the same treatment regimen as was used prior to enrollment.
- Eastern Cooperative Oncology Group performance status (ECOG PS) 0-2.
- Life expectancy ≥6 months.
- Signed ICF for voluntary participation in the study and good compliance.
You may not qualify if:
- WHO Grade ≥ 2 bleeding within 14 days prior to screening.
- Hematopoietic diseases other than CIT (e.g., primary immune thrombocytopenia).
- Hematologic malignancies.
- Thrombocytopenia caused by reasons other than chemotherapy, including but not limited to chronic liver disease, hypersplenism, infection, and hemorrhage, within 6 months prior to Study Day 1.
- Untreated brain metastases; or with leptomeningeal metastasis.
- Conditions that require emergent treatment (e.g., superior vena cava syndrome, spinal cord compression).
- Severe cardiovascular disorders or interventions within 6 months.
- Have arterial/venous thrombosis with anticoagulation not tolerated for at least 6 weeks.
- Known bleeding disorders, platelet dysfunction.
- Severe haemorrhage during screening (e.g., gastrointestinal or intracranial hemorrhage) within 28 days prior to enrolment.
- Previous treatment with thrombopoietin receptor agonists (TPO-RAs) within 14 days prior to enrolment.
- Platelet transfusion within 72 hours prior to enrollment.
- Acute or uncontrolled hepatitis B\&C infection.
- Human immunodeficiency virus (HIV) infection.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (51)
Starling Oncology
Long Beach, California, 90805, United States
Cancer and Blood Specialty Clinic
Los Alamitos, California, 90254, United States
UCLA
Los Angeles, California, 90095, United States
Clermont Oncology Center
Clermont, Florida, 34711, United States
Oncology & Hematology Associates of West Broward
Coral Springs, Florida, 33065, United States
Starling Oncology / Oncology Institute of Hope & Innovation
Miami, Florida, 33141, United States
Mid-Florida Hematology & Oncology Centers, P.A.
Orange City, Florida, 32763, United States
Springfield Clinic
Springfield, Illinois, 62702, United States
University of Iowa
Iowa City, Iowa, 52242, United States
Hattiesburg Clinic Hematology/Oncology
Hattiesburg, Mississippi, 39401, United States
Cancer Partners of Nebraska
Lincoln, Nebraska, 68516, United States
Morristown Medical Center
Morristown, New Jersey, 07039, United States
MSK Cancer Center
New York, New York, 10065, United States
New York Cancer and Blood Specialists One Oncology
Shirley, New York, 11967, United States
ARENSIA Exploratory Medicine at "MBAL Sveta Sofia"
Sofia, Bulgaria
UMHAT "Sv. Ivan Rilski", EAD
Sofia, Bulgaria
Hong Kong United Oncology Centre
Hong Kong, Hong Kong, 000000, China
The Chinese University of Hong Kong
Hong Kong, Hong Kong, 000000, China
The University of Hong Kong
Hong Kong, Hong Kong, 000000, China
Gustave Roussy Cancer Campus
Clémont, France
Centre Hospitalier Lyon Sud
Lyon, France
Groupe Hospitalier Pitie-Salpetriere
Paris, France
Istituto Tumori Giovanni Paolo II IRCCS Ospedale Oncologico Bari
Bari, Italy
Azienda Socio Sanitaria Territoriale Niguarda (Grande Ospedale Metropolitano Niguarda)
Milan, Italy
Fondazione IRCCS Istituto Nazionale dei Tumori
Milan, Italy
Fondazione IRCCS Policlinico San Matteo
Pavia, Italy
Szpital Specjalistyczny w Brzozowie Podkarpacki Ośrodek Onkologiczny im. ks. B. Markiewicza
Brzozów, Poland
Uniwersytecki Szpital Kliniczny w Poznaniu, Klinika Onkologii
Poznan, Poland
Institutul Oncologic Bucuresti Prof Dr. Al. Trestioreanu with SC Arensia Exploratory Medicine
Bucharest, Romania
Institute of Oncology "Ioan Chiricuta" Cluj-Napoca, Arensia Exploratory Medicine
Cluj-Napoca, Romania
Centrul de Oncologie Sfantul Nectarie Craiova
Craiova, Romania
Seoul National University Bundang Hospital
Seongnam-si, Gyeonggi-do, 13620, South Korea
Seoul National University Hospital
Seoul, 03080, South Korea
Asan Medical Center
Seoul, 05505, South Korea
Pratia ES Sirius Barcelona
Barcelona, Spain
Hospital Universitario Reina Sofía Córdoba
Córdoba, Spain
Hospital Universitari Arnau de Vilanova
Lleida, Spain
Hospital Universitario HM Madrid Sanchinarro
Madrid, Spain
Hospital Universitario Ramón y Cajal
Madrid, Spain
Pratia ES Hospital Universitario de Torrejon
Madrid, Spain
Complejo Hospitalario Universitario de Orense
Ourense, Spain
Hospital Universitario General de Cataluña
Sant Cugat del Vallès, Spain
Ankara Univ Cebeci Hospital Medical Oncology
Mamak, Ankara, Turkey (Türkiye)
Istanbul Univ. Cerrahpasa Medical Faculty Hosp.
Fatih, Istanbul, Turkey (Türkiye)
Goztepe Prof. Dr. Suleyman Yalcin City Hospital
Kadıköy, Istanbul, Turkey (Türkiye)
Marmara University Pendik Training and Research Hospital
Pendik, Istanbul, Turkey (Türkiye)
I.E.U. Medicalpoint Izmir Hospital
Izmir, Turkey (Türkiye)
Pamukkale University Hospital
Kınıklı, Turkey (Türkiye)
Sakarya Univ. Training & Research Hosp. Oncology
Sakarya, Turkey (Türkiye)
Ankara Oncology TRH Clinical Research Center
Yenimahalle, Turkey (Türkiye)
ARENSIA Exploratory Medicine LLC
Kyiv, Ukraine
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- NON RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- SEQUENTIAL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 10, 2025
First Posted
December 16, 2025
Study Start
April 16, 2026
Primary Completion (Estimated)
December 1, 2028
Study Completion (Estimated)
June 1, 2029
Last Updated
October 1, 2026
Record last verified: 2026-09