Completed NA INTERVENTIONAL 2-arm NCT03347955

Double-blind Placebo Surgery Trial for Treatment of Parkinson's Disease

Transplantation of Embryonic Dopamine Neurons for Treatment of Parkinson's Disease: Double-blind Placebo Surgery Trial

Sponsor: University of Denver

Interventions Neural implantation group Sham surgery

Updated 5 times since 2017 Last updated: Nov 15, 2017 Started: Nov 30, 1994 Primary completion: Feb 28, 1999 Completion: Feb 28, 1999

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Parkinson Disease and Surgery and is currently completed. University of Denver leads this study, which shows 5 recorded versions since 1994 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

5 versions recorded

Sep 2024 — Present [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA
Jun 2018 — Jan 2021 [monthly]

Completed NA
Dec 2017 — Jun 2018 [monthly]

Completed NA

First recorded

Nov 1994

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

University of Denver

Data source: University of Denver

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

Study Locations

• Denver, United States