A Study to Assess the Safety of GRF6021 Infusions in Subjects With Parkinson's Disease and Cognitive Impairment
Public ClinicalTrials.gov record NCT03713957. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Randomized, Double-Blind, Placebo-Controlled Study to Assess the Safety and Tolerability of GRF6021 Infusions in Subjects With Parkinson's Disease and Cognitive Impairment
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This study will evaluate the safety, tolerability, and potential effects on cognition of GRF6021, a plasma-derived product, administered as an intravenous (IV) infusion, to subjects with Parkinson's disease and cognitive impairment.
Study identification
- NCT ID
- NCT03713957
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 79 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 40 Years to 85 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 12, 2018 (Actual)
- Primary completion
- Jul 20, 2020 (Actual)
- Completion
- Jul 20, 2020 (Actual)
- Last update posted
- May 9, 2022
2018 – 2020
United States locations
- U.S. sites
- 19
- U.S. states
- 11
- U.S. cities
- 18
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Clinical Trials, Inc. | Little Rock | Arkansas | 72205 | — |
| Rocky Mountain Movement Disorders Center | Englewood | Colorado | 80113 | — |
| Moonshine Research Center | Doral | Florida | 33166 | — |
| Riverside Clinical Research | Edgewater | Florida | 32132 | — |
| MD Clinical | Hallandale | Florida | 33009 | — |
| Research Centers of America, LLC | Hollywood | Florida | 33024 | — |
| Suncoast Research Group, LLC | Miami | Florida | 33135 | — |
| Qps_Mra, Llc | South Miami | Florida | 33143 | — |
| Atlanta Center for Medical Research | Atlanta | Georgia | 30331 | — |
| NeuroTrials Research Inc. | Atlanta | Georgia | 30342 | — |
| Quest Research Institute | Farmington Hills | Michigan | 48334 | — |
| SRI Biosciences | Plymouth | Michigan | 48170 | — |
| PsychCare Consultants Research | St Louis | Missouri | 63128 | — |
| Wake Research | Raleigh | North Carolina | 27612 | — |
| Cleveland Clinic | Cleveland | Ohio | 44195 | — |
| Oregon Health & Science University | Portland | Oregon | 97239 | — |
| UT Southwestern Medical Center | Dallas | Texas | 75390 | — |
| Centex Studies, INC. | Houston | Texas | 77058 | — |
| Northwest Clinical Research Center | Bellevue | Washington | 98007 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 10 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03713957, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted May 9, 2022 · Synced Oct 29, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT03713957 live on ClinicalTrials.gov.