Status:

COMPLETED

Open-label Trial in Parkinson's Disease (PD)

Lead Sponsor:

AbbVie

Conditions:

Parkinson Disease

Eligibility:

All Genders

40-80 years

Phase:

PHASE3

Brief Summary

The purpose of this study is to evaluate the safety and efficacy of long-term administration of flexible doses of tavapadon in participants with Parkinson's Disease.

Eligibility Criteria

Inclusion

  • Key Inclusion Criteria:
  • Rollover participants are eligible for the study if they met the following inclusion criteria:
  • Participants who complete the 27-week double-blind Treatment Period of Trial CVL-751-PD-001 (NCT04201093) or Trial CVL-751 PD-003 (NCT04542499) or the 27-week double-blind Treatment Period and 10-day Safety/Withdrawal Assessment Period of Trial CVL-751-PD-002 (NCT04223193) and enter this trial within 72 hours after completing the last trial visit in the double-blind trial. Rollover participants from Trial CVL-751-PD-003 must continue to use levodopa/carbidopa (or levodopa/benserazide) for the duration of the trial.
  • Sexually active men or women of childbearing potential must agree to use acceptable (at minimum) or highly effective birth control, or remain abstinent during the trial and for 4 weeks after the last dose of trial treatment.
  • Participants who are capable of giving signed informed consent, which includes compliance with the requirements and restrictions listed in the ICF and in the protocol.
  • Participants who are willing and able to refrain from any PD medications that are not permitted by the protocol (including dopaminergic agents) throughout participation in the trial.
  • Participant who, in the judgement of the investigator, demonstrated adequate compliance with the IMP and protocol requirements in the double-blind trial.
  • Key Exclusion criteria:
  • Rollover participants are excluded from the trial if any of the following met:
  • Participants who do not enroll in this open-label trial within 72 hours after completing the last trial visit in the double-blind trial
  • Participants who answer "yes" on the C-SSRS Suicidal Ideation Item 4 or Item 5 (Active Suicidal Ideation with Some Intent to Act, Without Specific Plan, or Active Suicidal Ideation with Specific Plan and Intent) and whose most recent episode meeting the criteria for C-SSRS Item 4 or Item 5 occurred within the last 6 months, OR Participants who answer "yes" on any of the 5 C-SSRS Suicidal Behavior Items (actual attempt, interrupted attempt, aborted attempt, preparatory acts, or behavior) and whose most recent episode meeting the criteria for any of these 5 C-SSRS Suicidal Behavior Items occurred within the last 2 years, OR Participants who, in the opinion of the investigator, present a serious risk of suicide.
  • Participants who had previously been enrolled in this open-label trial and had subsequently withdrawn.

Exclusion

    Key Trial Info

    Start Date :

    February 24 2021

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ACTUAL

    End Date :

    December 1 2025

    Estimated Enrollment :

    992 Patients enrolled

    Trial Details

    Trial ID

    NCT04760769

    Start Date

    February 24 2021

    End Date

    December 1 2025

    Last Update

    December 23 2025

    Active Locations (140)

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    Page 1 of 35 (140 locations)

    1

    Birmingham, Alabama

    Birmingham, Alabama, United States, 35233

    2

    Pheonix, Arizona

    Phoenix, Arizona, United States, 85004

    3

    Little Rock, Arkansas

    Little Rock, Arkansas, United States, 72205

    4

    Fountain Valley, California

    Fountain Valley, California, United States, 92708