deltatrials
Completed PHASE1 INTERVENTIONAL 2-arm NCT02373072

A Study to Investigate the Safety, Tolerability, and Pharmacokinetics of PF-06649751 in Subjects With Idiopathic Parkinson's Disease

A Phase 1, Double Blind, Sponsor Open, Randomized, Placebo-controlled, Single Ascending Dose Study To Investigate The Safety, Tolerability, Pharmacokinetics And Pharmacodynamics Of Pf-06649751 In Subjects With Idiopathic Parkinson's Disease

Sponsor: Pfizer

Updated 8 times since 2017 Last updated: Sep 20, 2023 Started: Mar 31, 2015 Primary completion: Feb 29, 2016 Completion: Mar 31, 2016
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE1 trial investigates Idiopathic Parkinson Disease and is currently completed. Pfizer leads this study, which shows 8 recorded versions since 2015 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshotCompleted~Feb 2017 – ~Jun 2018 · 16 months · monthly snapshotCompleted~Jun 2018 – ~Jan 2021 · 31 months · monthly snapshotCompleted~Jan 2021 – ~Oct 2023 · 33 months · monthly snapshotCompleted~Oct 2023 – ~Jul 2024 · 9 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 10 months · monthly snapshotCompleted

Change History

8 versions recorded
  1. Sep 2025 — Present [monthly]

    Completed PHASE1

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE1

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE1

  4. Oct 2023 — Jul 2024 [monthly]

    Completed PHASE1

  5. Jan 2021 — Oct 2023 [monthly]

    Completed PHASE1

Show 3 earlier versions
  1. Jun 2018 — Jan 2021 [monthly]

    Completed PHASE1

  2. Feb 2017 — Jun 2018 [monthly]

    Completed PHASE1

  3. Jan 2017 — Feb 2017 [monthly]

    Completed PHASE1

    First recorded

Mar 2015

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Pfizer
Data source: Pfizer

For direct contact, visit the study record on ClinicalTrials.gov .