A Study to Evaluate Abuse Potential of Istradefylline
Public ClinicalTrials.gov record NCT02609477. 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 Double-Blind, Randomized, Placebo- and Active-Controlled Crossover Study to Evaluate the Abuse Potential of Istradefylline in Recreational Drug Users
Study identification
- NCT ID
- NCT02609477
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Kyowa Kirin Co., Ltd.
- Industry
- Enrollment
- 42 participants
Conditions and interventions
Conditions
Interventions
- Istradefylline Drug
- Phentermine 45 mg Drug
- Placebo Other
Drug · Other
Eligibility (public fields only)
- Age range
- 18 Years to 55 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 31, 2015
- Primary completion
- Jun 30, 2016
- Completion
- Jun 30, 2016
- Last update posted
- Apr 24, 2024
2016
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pharmaceutical Research Associates, Inc | Salt Lake City | Utah | 84106 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02609477, 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 Apr 24, 2024 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02609477 live on ClinicalTrials.gov.