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Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ClinicalTrials.gov
Last refreshed on: 23 September 2024
Main ID:  NCT04961710
Date of registration: 12/07/2021
Prospective Registration: No
Primary sponsor: Jiangsu HengRui Medicine Co., Ltd.
Public title: Extension Study of Hetrombopag in Severe Aplastic Anemia
Scientific title: Extension Study of Hetrombopag Olamine in Patients With Treatment-naive Severe Aplastic Anemia
Date of first enrolment: September 19, 2019
Target sample size: 157
Recruitment status: Active, not recruiting
URL:  https://clinicaltrials.gov/ct2/show/NCT04961710
Study type:  Interventional
Study design:  Allocation: Non-Randomized. Intervention model: Parallel Assignment. Primary purpose: Treatment. Masking: Double (Participant, Investigator).  
Phase:  Phase 3
Countries of recruitment
China
Contacts
Key inclusion & exclusion criteria
Inclusion Criteria:

1. Subjects who have completed or withdrawn from the HR-TPO-SAA-III study

2. Subjects who have signed the informed consent form

3. Female and male subjects of childbearing age who agree to take adequate
contraceptive measures during the extension study period and within 28 days after
the last dose

4. Subjects who have completed the end-of-treatment evaluation in the original study

Exclusion Criteria:

1. Any unstable situation or situation that will compromise the safety of the subject

2. Evidence of clonal cytogenetic abnormalities at the end-of-treatment examination of
the HR-TPO-SAA-III study

3. Subjects with uncontrollable hemorrhage and/or infection after standard treatment

4. Subjects who have experienced deep vein thrombosis, myocardial infarction, stroke,
or peripheral arterial embolism within 1 year

5. Any situation that may compromise the subject and the safety or compliance thereof
during the study



Age minimum: 15 Years
Age maximum: 75 Years
Gender: All
Health Condition(s) or Problem(s) studied
Treatment-naive Severe Aplastic Anemia
Intervention(s)
Drug: Hetrombopag Olamine
Drug: Placebo
Primary Outcome(s)
The ratio of subjects with clonal evolution at 6 months and 18 months [Time Frame: 6 months and 18 months]
All AEs resulting in discontinuation and withdrawal from study [Time Frame: 3 years]
All SAEs, regardless of whether they are related to the investigational product [Time Frame: 3 years]
All SIEs, regardless of whether they are related to the investigational product [Time Frame: 3 years]
Secondary Outcome(s)
Platelet count [Time Frame: by 1day visit]
Hemoglobin [Time Frame: by 1day visit]
Reticulocyte count [Time Frame: by 1day visit]
The recurrence rates at 6 months and 18 months [Time Frame: 6 months and 18 months]
Red blood cell count [Time Frame: by 1day visit]
White blood cell count [Time Frame: by 1day visit]
Neutrophil count [Time Frame: by 1day visit]
The 6-month and 18-month survival rates of subjects [Time Frame: 6 months and 18 months]
Secondary ID(s)
HR-TPO-SAA-III-EXT
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
Ethics review
Results
Results available:
Date Posted:
Date Completed:
URL:
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