Extension Study of Herombopag for Pediatric Patients With Chronic Immune Thrombocytopenia

Hengrui Medicine

Status and phase: Not yet enrolling; Phase 3

Conditions: Immune Thrombocytopenia

Treatments: Drug: Herombopag

Study type: Interventional

Funder types: Industry

Identifiers

NCT05685420

HR-TPO-ITP-III-PED-EXT

Details and patient eligibility

About

The main purpose of this extended study is to enable subjects who are currently receiving the PartB experimental drug in the HR-TPO-ITP-III-PED clinical trial .To continue receiving the experimental drug after the completion of the clinical trial if they benefit from the treatment at the end of the clinical trial.Until the study physician determines that the subject has failed treatment or that the subject can no longer benefit from treatment or extends the study treatment for 6 months.In addition, the secondary purpose of this extended study was to observe the long-term efficacy and safety of tripodal in children and adolescents.

Enrollment: 117 estimated patients

Sex: All

Ages: 6 to 17 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

1. Subjects who have completed PartB of HR-TPO-ITP-III-PED clinical trial and have achieved platelet response.
2. Subjects who have signed the informed consent for the extended study.
3. Subjects with potential fertility（e.g. women who have menarche or men who have sperm loss) should agree to use effective contraception during their participation in the extended study and within 28 days after their last dose.
4. Subjects who have completed end-of-treatment visits in the original study.

Exclusion criteria

1. Any unstable condition or condition that may compromise the safety of the subject.
2. Patients with new myelofibrosis were examined in the original clinical trial exit group.
3. The original clinical trial cohort examined evidence of new cataract or existing cataract progression, and the study considered it unsuitable to enroll in this extension.
4. Patients with uncontrolled bleeding after standard treatment.
5. Any previous occurrence of arterial or venous thrombosis (transient ischemic attack,myocardial infarction ,deep venous thrombus, or pulmonary embolism ),or clinical symptoms and history suggest thrombus susceptibility.
6. Any other circumstances that the investigator considers likely to cause the subject to be unable to complete the study or to present a significant risk to the subject.

Trial design

Primary purpose: Treatment

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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117 participants in 1 patient group

open-label

Experimental group

Description:

Herombopag plus standard of care

Treatment:

Drug: Herombopag