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A Phase 3 study to Evaluate the Efficacy and Safety of Fitusiran in Patients with Hemophilia A or B, with Inhibitory Antibodies to Factor VIII or IX

ATLAS-INH: A Phase 3 Study to Evaluate the Efficacy and Safety of Fitusiran in Patients with Hemophilia A or B, with Inhibitory Antibodies to Factor VIII or IX

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2018/06/014682
Enrollment
54
Registered
2018-06-29
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: null- â?¢Hemophilia A â?¢Hemophilia B Health Condition 2: D689- Coagulation defect, unspecified

Interventions

Intervention1: Fitusiran (SAR439774 [formerly Alnylam ALN-AT3SC]): In Fitusiran treatment arm, fitusiran 80 mg administered subcutaneously as prophylaxis once monthly, with use of on demand bypassing

Sponsors

Sanofi Genzyme
Lead Sponsor
PPD Pharmaceuticals India Private Limited
Collaborator

Eligibility

Inclusion criteria

Inclusion criteria: 1. Males, >=12 years of age 2. Severe hemophilia A or B with inhibitors â?¦(Severity confirmed by a central laboratory where FVIII level is =0.6 BU/mL or as evidenced by medical records) 3. A minimum of 6 bleeding episodes requiring bypassing agent treatment within the last 6 months prior to Screening 4. Willing and able to comply with the study requirements and to provide written informed consent and assent

Exclusion criteria

Exclusion criteria: 1. Known co-existing bleeding disorders other than hemophilia A or B 2. Antithrombin (AT) activity 3. Co-existing thrombophilic disorder 4. Clinically significant liver disease 5. Active HCV infection 6. HIV positive with a CD4 count of 7. History of arterial or venous thromboembolism 8. Inadequate renal function 9. History of multiple drug allergies or history of allergic reaction to an oligonucleotide or N-Acetylgalactosamine (GalNAc) 10. History of intolerance to SC injection(s) 11. Any other conditions or comorbidities that would make the patient unsuitable for enrollment or could interfere with participation in or completion of the study, per Investigator judgement

Design outcomes

Primary

MeasureTime frame
Annualized bleeding rate (ABR)Timepoint: Annualized bleeding rate (ABR): 9 months

Secondary

MeasureTime frame
1. Annualized spontaneous bleeding rate 2. Annualized joint bleeding rate 3. Quality of Life (QOL) as measured by Haem-A-QOL Questionnaire score on a scale of 0-100 with higher scores representing greater impairmentTimepoint: 9 months 9 months 9 months

Countries

Australia, Bulgaria, Canada, China, Denmark, France, Germany, Hungary, India, Israel, Italy, Japan, Malaysia, Netherlands, Portugal, Republic of Korea, Russian Federation, South Africa, Spain, Taiwan, Turkey, Ukraine, United Kingdom, United States of America

Contacts

Public ContactRashmi Chitgupi

PPD Pharmaceutical Development India Private Limited

Rashmi.Chitgupi@ppdi.com912266022900

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026