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Clinical Trials in Japan / NCT04870346
Active, not recruiting Observational

Long Term Follow-up Observational Study After Clinical Trials of AMG531 (Romiplostim) in Patients With Untreated Aplastic Anemia

NCT04870346 · tracked via the Priya Life Science Japan tracker
Phase
Observational
Started
2021-05-10
Last updated
2025-09-11

Condition(s) studied

Aplastic Anemia

Study summary

To evaluate the long-term efficacy and safety after the end of romiplostim treatment by observation \[up to 5 years\] of patients who were registered for Study 531-003/531-004 in immunosuppressive therapy-naïve patients with aplastic anemia.

Eligibility

Sex
ALL
Min age
—
Max age
—
Healthy volunteers
No
Inclusion Criteria: * Patients whose written consent to participate in this research was obtained among patients registered for Study 531-003/531-004 * Of the patients who died before their consent to participate in this research was obtained among those registered for Study 531-003/531-004, patients whose legally authorized representatives such as their family had given the consent or patients whose legally authorized representatives had not refused in the disclosure of information by opt-out * Of the patients who died before their consent to participate in this research was obtained among those registered for Study 531-003/531-004, patients, patients for whom the consent process exemption was approved by the Ethics Review Committee, etc. of the participating medical institutions at the participating medical institutions in the countries without the opt-out system Exclusion Criteria: * Patients who are judged by the investigator or sub-investigator to be unfavorable for participation in this research

Primary outcome measure(s)

Trial sites (1)

FacilityCityRegionStatus
Kanazawa University, College of Medical Pharmaceutical and Health Sciences, School of Medicine, Department of Hematology Kanazawa Ishikawa-ken

More Kyowa Kirin Co., Ltd. trials in Japan

Other trials for the same condition

Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT04870346 on ClinicalTrials.gov ↗ ← All trials in Japan