Status:

COMPLETED

A Study of Bitopertin (RO4917838) in Adults With Non-Transfusion-Dependent (NTD) Beta-Thalassemia

Lead Sponsor:

Hoffmann-La Roche

Conditions:

Beta-Thalassemia

Eligibility:

All Genders

18-55 years

Phase:

PHASE2

Brief Summary

This proof-of-mechanism study is being performed to investigate the safety, tolerability, efficacy, pharmacokinetics, and pharmacodynamics of multiple oral doses of bitopertin in adults with NTD beta-...

Eligibility Criteria

Inclusion

  • Confirmed diagnosis of beta-thalassemia
  • Clinically defined non-transfusion-dependent anemia (Part 1 only), defined as Hb concentrations \>7.5 grams per deciliter (g/dL) and \<9.5 g/dL, less than or equal to 4 transfusions of red blood cell units within 1 year prior to study enrollment, and no transfusion within 12 weeks prior to study enrollment
  • Completion of 16 weeks of treatment with bitopertin in Part 1 of this study with more than 80% compliance from expected use of study medication (based on patient diary and study drug accountability; Part 2 only)
  • A favorable benefit-risk ratio from treatment with bitopertin as assessed by the Investigator (Part 2 only)

Exclusion

  • Any history of gene therapy
  • History of hemolytic anemia except for beta-thalassemia
  • Severe symptomatic splenomegaly and/or hepatomegaly with hypersplenism (Part 1 only)
  • Any use of an erythropoiesis-stimulating agent within 24 weeks prior to enrollment.
  • Initiation of iron chelation therapy or hydroxyurea within 24 weeks prior to enrollment (Part 1 only)
  • Depression, treatment with anti-depressants, or other psychiatric illnesses and/or drug abuse
  • Clinically significant/uncontrolled comorbid disease
  • Pregnant or breastfeeding females
  • Use of cytochrome P450 (CYP) 3A4 inhibitors within 2 weeks or CYP3A4 inducers within 4 weeks prior to study drug
  • Active hepatitis B or C or known positive human immunodeficiency virus (HIV) test result
  • Diagnosis of cancer within previous 5 years unless treatment has resulted in complete freedom from disease for at least 2 years
  • Any major illness within 1 month or febrile illness within 1 week prior to study drug
  • Pulmonary hypertension requiring oxygen therapy (Part 1 only)

Key Trial Info

Start Date :

October 26 2017

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

June 29 2018

Estimated Enrollment :

12 Patients enrolled

Trial Details

Trial ID

NCT03271541

Start Date

October 26 2017

End Date

June 29 2018

Last Update

October 5 2018

Active Locations (4)

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Page 1 of 1 (4 locations)

1

Centro della Microcitemia e delle Anemie Congenite - Ospedale Galliera; Oncologia /Cardiologia

Genoa, Liguria, Italy, 16128

2

Ospedale Maggiore di Milano; Cardio-Metabolic Diseases

Milan, Lombardy, Italy, 20122

3

Chronic Care Center

Baabda, Lebanon, 1003

4

Siriraj Hospital; Division of Haematology-Oncology

Bangkok Noi, Thailand, 10700