NCT05518331

The Safety and Efficacy Study of Avatrombopag Switch in TPO-RA Refractory AA

Avatrombopag in TPO-RA Refractory Aplastic Anemia Patients Safety and Efficacy Study --Single-arm, Multicenter, Open, Phase Π Clinical Study

• Status: Unknown
• Phase: N/A
• Study type: Interventional
• Enrollment: 39 (estimated)
• Sponsor: Institute of Hematology & Blood Diseases Hospital, China · Academic / Other
• Sex: All
• Age: 14 Years
• Healthy volunteers: Not accepted

Summary

This study was a single-arm, multicenter, phase Π clinical study. Patients admitted to the enrollment unit center with a confirmed diagnosis of TDNSAA/VSAA/SAA, treated with IST (p/r-ATG+CSA) in combination with TPO-RA (including eltrombopta or hydtrombopta) for at least 3 months with no hematologic response at 6-month follow-up, and who were not suitable or unwilling to undergo hematopoietic stem cell transplantation (HSCT), were to another novel TPO-RA avatrombopta, 40-60 mg (weight \<80 kg), in addition to maintaining the original immunosuppressive therapy ( CSA or equivalent immune potency drugs), switch to another new TPO-RA avatropa 40-60 mg (40 mg daily for weight \<80 kg; 60 mg daily for weight \>80 kg) orally once daily for at least 3 months and follow up for 3 months to determine the hematologic response and to assess the safety of the drug

Detailed description

This study was a single-arm, multicenter, phase Π clinical study. Patients admitted to the enrollment unit center with a confirmed diagnosis of TDNSAA/VSAA/SAA, treated with IST (p/r-ATG+CSA) in combination with TPO-RA (including eltrombopta or hydtrombopta) for at least 3 months with no hematologic response at 6-month follow-up, and who were not suitable or unwilling to undergo hematopoietic stem cell transplantation (HSCT), were to another novel TPO-RA avatrombopta, 40-60 mg (weight \<80 kg), in addition to maintaining the original immunosuppressive therapy ( CSA or equivalent immune potency drugs), switch to another new TPO-RA avatropa 40-60 mg (40 mg daily for weight \<80 kg; 60 mg daily for weight \>80 kg) orally once daily for at least 3 months and follow up for 3 months to determine the hematologic response and to assess the safety of the drug.Selection of study population Severe aplastic anemia patients with poor efficacy of IST combined with TPO-RA Patients should be judged for inclusion and exclusion criteria. Number of subjects: 35 effective cases, 39 patients should be included according to the dropout rate of 10%.

Conditions

• Refractory Aplastic Anemia

Interventions

Type	Name	Description
DRUG	avatrombopag	Avatrombopag, 40-60 mg (body weight \< 80 kg, 40 mg per day; body weight \> 80 kg, 60 mg per day) orally once daily for at least 3 months and followed up for 3 months to determine hematological response and evaluate the drug security.

Timeline

• Start date: 2022-06-01
• Primary completion: 2025-06-01
• Completion: 2026-01-01
• First posted: 2022-08-26
• Last updated: 2022-08-26

Locations

1 site across 1 country: China