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Study of AMG531(Romiplostim) in Patients With Aplastic Anemia

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Kyowa Kirin

Status and phase

Completed
Phase 3
Phase 2

Conditions

Aplastic Anemia

Treatments

Drug: Romiplostim

Study type

Interventional

Funder types

Industry

Identifiers

NCT03957694
531-003

Details and patient eligibility

About

To evaluate the hematological responses based on the response assessment criteria when AMG531 is subcutaneous (SC)-administered with anti-human thymocyte immunoglobulin (ATG) + ciclosporin A (CsA) therapy for 6 months in patients with aplastic anemia (AA) who were previously untreated with immunosuppressive therapy.

Enrollment

17 patients

Sex

All

Ages

20+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Voluntary signed informed consent to participate in the study;
  2. A diagnosis of AA confirmed by blood and bone-marrow examinations, etc.;
  3. Considered to require new treatment with ATG and CsA provided that NSAA must be platelet or erythrocyte transfusion-dependent.
  4. An Eastern Cooperative Oncology Group (ECOG) performance status (PS) score of 0 to 1at screening

Exclusion criteria

  1. Previously treated with ATG, CsA, or Alemtuzumab;

  2. Diagnosed as having congenital AA (Fanconi anemia, congenital dyskeratosis, etc.);

  3. Diagnosed as having AML or chronic myelomonocytic leukemia;

  4. Concurrent thrombocytopenia of other etiologies (e.g., MDS, ITP, cirrhosis);

  5. Concurrent active infection not adequately responding to appropriate therapy;

  6. Concurrent clinically significant illness(es) items which are deemed by the Investigator to be likely to affect the study conduct and assessments.

  7. Having active malignancies, or having a history of treatment of malignancies within 5 years prior to informed consent.

  8. Concurrent PNH

  9. Having Grade 2 or higher bone marrow reticulin based on Bone Marrow Pathology (2nd edition) ;

  10. History of chromosome aberrations discovered in bone marrow cells.

  11. Having blast cells > 2% in bone marrow;

  12. Positive for anti-human immunodeficiency virus (HIV) antibody;

  13. Receiving prophylactic or therapeutic treatment for hepatitis type B

  14. Positive for hepatitis C virus (HCV) antibody, and HCV infection being confirmed

  15. Planned hematopoietic stem cell transplantation during the study;

  16. Systemic treatment with any of the following medication for the treatment of AA within 4 weeks before Day 1, however, excluding their use as premedication:

    • Anabolic steroids
    • Corticosteroids;
  17. Pregnant or breastfeeding women, or women willing to become pregnant;

  18. Other conditions unsuitable for participation in the study in the opinion of the Investigator.

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

17 participants in 1 patient group

AMG531
Experimental group
Treatment:
Drug: Romiplostim

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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