Status:

TERMINATED

A Study to Evaluate the Safety, Tolerability, and Efficacy of Long-Term Gantenerumab Administration in Participants With Alzheimer's Disease (AD)

Lead Sponsor:

Hoffmann-La Roche

Conditions:

Alzheimer Disease

Eligibility:

All Genders

Phase:

PHASE3

Brief Summary

This is an open-label, multicenter, rollover study to evaluate the safety, tolerability, and efficacy of long-term administration of open-label gantenerumab in participants with AD who completed Study...

Detailed Description

Participants who were in the active arm in the double blind part and those who have completed OLE part in the parent study, will continue receive open-label gantenerumab 510 mg sub-cutaneously (SC) ev...

Eligibility Criteria

Inclusion

  • Completed Study WN29922 or WN39658, either its double-blind part or OLE part, and did not discontinue study drug early
  • The participant should be capable of completing assessments either alone or with the help of the caregiver
  • Availability of a person (referred to as the "caregiver")
  • For women of childbearing potential: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraception methods with a failure rate of \<1% per year (bilateral tubal ligation, male sterilization, hormonal contraceptives that inhibit ovulation, hormone-releasing intrauterine devices, and copper intrauterine devices) during the treatment period and for at least 16 weeks after the final dose of gantenerumab
  • Agreement not to donate blood or blood products for transfusion for the duration of the study and for 1 year after final dose of study drug

Exclusion

  • Pregnant or breastfeeding, or intending to become pregnant during the study or within at least 16 weeks after the final dose of study drug
  • Prematurely discontinued from Study WN29922 or WN39658
  • Any medical condition that may jeopardize the participant's safety if he or she continues to receive study treatment
  • Received any investigational treatment other than gantenerumab during or since completion of Study WN29922 or WN39658, either its double-blind or OLE part
  • Evidence of disseminated leptomeningeal hemosiderosis
  • Evidence of intracerebral macrohemorrhage
  • Use of prohibited medication
  • Evidence of ARIA-E on the last MRI scan report in Study WN29922 or WN39658, either its double-blind or OLE part

Key Trial Info

Start Date :

January 26 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

March 6 2023

Estimated Enrollment :

1382 Patients enrolled

Trial Details

Trial ID

NCT04374253

Start Date

January 26 2021

End Date

March 6 2023

Last Update

May 8 2024

Active Locations (268)

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Page 1 of 67 (268 locations)

1

Banner Alzheimer?s Institute

Phoenix, Arizona, United States, 85006

2

Barrow Neurological Institute

Phoenix, Arizona, United States, 85013

3

Banner Sun Health Research Insitute

Sun City, Arizona, United States, 85351

4

Health Initiatives Research, PLLC

Fayetteville, Arkansas, United States, 72703