Purpose

This study will evaluate the long-term safety and tolerability of RO7234292 (RG6042) in participants who have completed other F. Hoffmann-La Roche, Ltd.-sponsored and/or Genentech-sponsored studies in the Huntington's disease (HD) in the development program for RG6042.

Condition

Eligibility

Eligible Ages
Over 25 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Prior enrollment in a Roche-sponsored or Genentech-sponsored study in HD for the RO7234292 (RG6042) development program that made provision for entry into an OLE study
  • For women of childbearing potential: agreement to remain abstinent or use contraceptive measures
  • For men: agreement to remain abstinent or use a condom, and agreement to refrain from donating sperm

Exclusion Criteria

  • Withdrawal of consent from the preceding study
  • Permanent discontinuation of RO7234292 (RG6042) for any drug-related safety concern during the preceding study or meeting of any study treatment discontinuation criteria specified in the preceding study at the time of enrollment into this study
  • An ongoing, unresolved, clinically significant medical problem that in the judgment of the investigator would make it unsafe for the patient to participate in this study
  • Antiplatelet or anticoagulant therapy within 14 days prior to inclusion or anticipated use during the study, including, but not limited to, aspirin, clopidogrel, dipyridamole, warfarin, dabigatran, rivaroxaban, and apixaban
  • History of bleeding diathesis or coagulopathy
  • Platelet count less than the lower limit of normal
  • Concurrent participation in any therapeutic clinical trial
  • Study treatment (RO7234292/RG6042) is commercially marketed in the patient's country for the patient-specific disease and is accessible to the patient
  • Pregnant or breastfeeding, or intending to become pregnant during the study or within 5 months after the final dose of study drug

Study Design

Phase
Phase 3
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Treatment
Masking
None (Open Label)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
RO7234292 (RG6042) Q8W
Participants who received open-label RO7234292 Q4W in a preceding study or who are currently receiving RO7234292 Q4W in this study may be randomly allocated to receive RO7234292 Q8W. Participants who previously received open-label of RO7234292 Q8W in a preceding study or are currently receiving RO7234292 Q8W in this study will receive RO7234292 Q8W. Participants who previously received placebo, or did not previously receive treatment with RO7234292 or received short-term treatment with a treatment-free follow-up period may be randomly allocated to receive RO7234292 Q8W. Participants who previously received blinded placebo Q8W may receive RO7234292 Q8W. Participants who received blinded RO7234292 Q8W will receive open-label RO7234929 Q8W. Participants who received blinded placebo Q8W may receive RO7234292 Q8W. Participants who received blinded RO7234292 Q4W or blinded placebo Q4W may be randomly allocated to receive open-label of RO7234292 Q8W.
  • Drug: RO7234292 (RG6042)
    Intrathecal injection
Experimental
RO7234292 (RG6042) Q16W
Participants who previously received open-label RO7234292 Q4W in a preceding study or who are currently receiving RO7234292 Q4W in this study may be randomly allocated to receive RO7234292 Q16W. Participants who previously received placebo in a preceding study or did not previously receive treatment with RO7234292 or received short-term treatment with a treatment-free follow-up period may be randomly allocated to receive RO7234292 Q16W. Participants who previously received blinded placebo Q8W will receive RO7234292 Q8W. Participants who previously received blinded RO7234292 Q16W will receive open-label RO7234292 Q16W. Participants who received blinded RO7234292 Q4W or blinded placebo Q4W may be randomly allocated to receive open-label of RO7234292 Q16W.
  • Drug: RO7234292 (RG6042)
    Intrathecal injection

Recruiting Locations

Uab Medicine
Birmingham, Alabama 35294

More Details

NCT ID
NCT03842969
Status
Recruiting
Sponsor
Hoffmann-La Roche

Study Contact

Reference Study ID Number: BN40955 www.roche.com/about_roche/roche_worldwide.htm
888-662-6728 (U.S. and Canada)
global-roche-genentech-trials@gene.com

Detailed Description

Entry into the study should occur at the time the participant completes participation in one of the preceding studies. Upon completion of the inclusion visit, eligible patients will receive either RO7234292 (RG6042) every 8 weeks (Q8W) or RO7234292 (RG6042) every 16 weeks (Q16W) by bolus intrathecal injection.

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.