A Study to Explore the Long-Term Safety and Efficacy of Fremanezumab (TEV-48125) for the Prevention of Cluster Headache (ENFORCE)

Teva Pharmaceuticals

Status and phase: Terminated; Phase 3

Conditions: Cluster Headache

Treatments: Drug: Fremanezumab

Study type: Interventional

Funder types: Industry

Identifiers

NCT03107052

2016-003172-43 (EudraCT Number)

TV48125-CNS-30058

Details and patient eligibility

About

This is a 68-week study to evaluate the long-term safety and efficacy of fremanezumab in participants with cluster headache (CH). Participants who complete the pivotal studies TV48125-CNS-30056 (NCT02945046) and TV48125-CNS-30057 (NCT02964338) and enroll into the current study will visit the investigational center for investigational medicinal product (IMP) administration, safety and efficacy assessments, and blood and urine collections for pharmacokinetics, immunogenicity (anti-drug antibodies [ADAs]), and biomarker analyses. Participants will return to the investigational center for a follow-up visit to evaluate ADAs, fremanezumab concentrations, biomarkers, and safety (adverse events and concomitant medications) approximately 7.5 months after the last dose of IMP.

Enrollment: 275 patients

Sex: All

Ages: 18 to 70 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• The participant completes either the Phase 3 pivotal study for ECH (Study TV48125-CNS-30056) or the Phase 3 pivotal study for CCH (Study TV48125-CNS-30057) without important protocol deviations related to participant safety and participant compliance.

• Prior to 15 June 2018, participants from the ECH study and the CCH study were enrolled. After 15 June 2018, only participants who participated in the ECH study (Study TV48125-CNS-30056) will be enrolled for active treatment.

• In addition, participants who do not complete the pivotal efficacy studies, and participants who complete the pivotal efficacy studies but will not continue treatment during this long-term safety study, will be offered to enroll in this study for the purpose of evaluating ADAs, and safety (adverse events and concomitant medications) approximately 7.5 months after administration of the last dose of the IMP.

  • Additional criteria apply, please contact the investigator for more information

Exclusion criteria

• Any finding that, in the judgment of the investigator, is a clinically significant abnormality, including serum chemistry, hematology, coagulation, and urinalysis test values (abnormal tests may be repeated for confirmation)

  • Additional criteria apply, please contact the investigator for more information

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Quadruple Blind

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275 participants in 3 patient groups

Fremanezumab 225 mg Monthly

Experimental group

Description:

Participants with ECH or CCH who received fremanezumab at 900 mg intravenous (IV) infusion at Week 0 and fremanezumab at 225 mg subcutaneous (SC) injection at Weeks 4 and 8, respectively in the pivotal study TV48125-CNS-30056 or TV48125-CNS-30057, and participants with CCH who received fremanezumab at 675 mg SC injection at Week 0 and placebo SC injection at Weeks 4 and 8, respectively in the pivotal study TV48125-CNS-30057; will receive fremanezumab at 225 mg SC injection monthly (approximately every 4 weeks, administered as single SC injection of fremanezumab at 225 mg \[225 mg/1.5 milliliter {mL}\] at Week 0 and 36; and 2 placebo SC injections at Weeks 0, 12, 24, and 36 for blinding in participants rolled over from Study TV48125-CNS-30056; fremanezumab at 225 mg as a single SC injection (225 mg/1.5 mL) at Week 0, 12, 24, and 36; 2 SC injections of placebo at Week 0 for blinding in participants rolled over from Study TV48125-CNS-30057) through Week 36 in this study.

Treatment:

Drug: Fremanezumab

Fremanezumab 675/225 mg Monthly

Experimental group

Description:

Participants with CCH who received placebo IV infusion and SC injection at Week 0 and placebo SC injection at Weeks 4 and 8, respectively in the pivotal study TV48125-CNS-30057; will receive fremanezumab 675 mg SC injection as loading dose (administered as 3 SC injections of fremanezumab at 225 mg \[225 mg/1.5 mL\] at Week 0) followed by monthly (approximately every 4 weeks) fremanezumab at 225 mg SC injection (administered as single SC injection of fremanezumab at 225 mg \[225 mg/1.5 mL\] at Weeks 12, 24, and 36) through Week 36.

Treatment:

Drug: Fremanezumab

Fremanezumab 675 mg Quarterly

Experimental group

Description:

Participants with ECH who received fremanezumab at 675 mg SC injection at Week 0 and placebo SC injection at Weeks 4 and 8, respectively in the pivotal study; or placebo IV infusion and SC injection at Week 0 and placebo SC injection at Weeks 4 and 8, respectively in the pivotal study TV48125-CNS-30056; will receive fremanezumab at 675 mg SC injection quarterly (approximately every 12 weeks, administered as 3 SC injections of fremanezumab at 225 mg \[225 mg/1.5 mL\] at Weeks 0 an 36; and single placebo SC injections at Weeks 4, 8, 16, 20, 28, and 32 for blinding) through Week 36.

Treatment:

Drug: Fremanezumab