- Conditions
- Cocaine Abuse, Cocaine Dependence, Opiate Dependence, Alcohol Dependence, Substance Abuse
- Interventions
- modafinil, d-amphetamine, L-Dopa, Naltrexone
- Drug
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 7,500 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2026
- U.S. locations
- 1
- States / cities
- Houston, Texas
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Parkinson's Disease
- Interventions
- ND0612 Solution for SC infusion, Placebo for SC infusion, Oral IR-LD/CD, Placebo for Oral IR-LD/CD
- Combination Product · Drug
- Lead sponsor
- NeuroDerm Ltd.
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 381 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2027
- U.S. locations
- 38
- States / cities
- Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 34 more
- Conditions
- Parkinson's Disease (PD)
- Interventions
- ABBV-951
- Drug
- Lead sponsor
- AbbVie
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 130 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2026
- U.S. locations
- 15
- States / cities
- Birmingham, Alabama • Sun City, Arizona • Aurora, Colorado + 12 more
- Conditions
- Dyskinesias, Parkinson's Disease, Severe Motor Fluctuations
- Interventions
- Levodopa-carbidopa intestinal gel, CADD-Legacy® 1400 ambulatory infusion pump, PEG tube, J-tube
- Drug · Device
- Lead sponsor
- AbbVie (prior sponsor, Abbott)
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 62 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 16
- States / cities
- Birmingham, Alabama • Fountain Valley, California • Los Angeles, California + 13 more
- Conditions
- Parkinson's Disease, Motor Symptoms
- Interventions
- APOKYN, Physical Therapy
- Drug · Behavioral
- Lead sponsor
- MDD US Operations, LLC a subsidiary of Supernus Pharmaceuticals
- Industry
- Eligibility
- 18 Years to 78 Years
- Enrollment
- 13 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016
- U.S. locations
- 12
- States / cities
- Phoenix, Arizona • Scottsdale, Arizona • Loma Linda, California + 9 more
- Conditions
- Parkinson Disease
- Interventions
- Levodopameter
- Device
- Lead sponsor
- University of California, San Diego
- Other
- Eligibility
- 40 Years to 85 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2028
- U.S. locations
- 1
- States / cities
- San Diego, California
- Conditions
- Parkinson Disease
- Interventions
- Opicapone
- Drug
- Lead sponsor
- Neurocrine Biosciences
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 239 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 6
- States / cities
- Los Gatos, California • Memphis, Tennessee • Christiansburg, Virginia + 3 more
- Conditions
- Spinal Cord Injuries
- Interventions
- 5HTP, L-DOPA, Placebo oral tablet, Carbidopa
- Drug
- Lead sponsor
- Jessica M D'Amico
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2023
- U.S. locations
- 1
- States / cities
- Louisville, Kentucky
- Conditions
- Parkinson's Disease
- Interventions
- PARCOPA
- Drug
- Lead sponsor
- UCB Pharma
- Industry
- Eligibility
- 18 Years and older
- Timeline
- 2004
- U.S. locations
- 1
- States / cities
- Milwaukee, Wisconsin
- Conditions
- Albinism, Oculocutaneous Albinism
- Interventions
- Levodopa/carbidopa
- Drug
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 3 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2018
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Sub-acute Back Pain
- Interventions
- Naproxen, Carbidopa/Levodopa, Placebo
- Drug
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 72 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Parkinson's Disease (Disorder)
- Interventions
- IR CD-LD, IPX203 ER CD-LD, Placebo Matching IPX203, Placebo Matching IR CD-LD
- Drug · Other
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 40 Years and older
- Enrollment
- 630 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2021
- U.S. locations
- 56
- States / cities
- Phoenix, Arizona • Little Rock, Arkansas • Loma Linda, California + 46 more
- Conditions
- Parkinson's Disease
- Interventions
- IPX066
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 43 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 8
- States / cities
- Birmingham, Alabama • La Jolla, California • Sunnyvale, California + 5 more
- Conditions
- Stroke
- Interventions
- Placebo, Levodopa / Carbidopa, Armeo
- Drug · Device
- Lead sponsor
- Ross D. Zafonte, MD
- Other
- Eligibility
- 18 Years to 85 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- Charlestown, Massachusetts
- Conditions
- Angelman Syndrome
- Interventions
- Levodopa/Carbidopa (4:1)
- Drug
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- 4 Years to 12 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Stroke
- Interventions
- Transcranial Magnetic Stimulation (TMS), Carbidopa-Levodopa, Methylphenidate, Amphetamine Sulfate, Placebo, Sham Transcranial Magnetic Stimulation (TMS), Transcranial Magnetic Stimulation (TMS) Training
- Other · Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 33 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2016
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Parkinson Disease
- Interventions
- Opicapone, Carbidopa Levodopa
- Drug
- Lead sponsor
- Neurocrine Biosciences
- Industry
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018
- U.S. locations
- 3
- States / cities
- Glendale, California • Long Beach, California • Farmington Hills, Michigan
- Conditions
- Cocaine Dependence
- Interventions
- levodopa, Placebo, Cognitive Behavioral Therapy, Contingency Management
- Drug · Behavioral
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 85 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Parkinson Disease
- Interventions
- L-DOPS, Placebo
- Drug
- Lead sponsor
- St. Joseph's Hospital and Medical Center, Phoenix
- Other
- Eligibility
- 30 Years to 83 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Phoenix, Arizona
- Conditions
- Depression
- Interventions
- Levodopa+carbidopa, Placebo
- Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 57 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2020
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Parkinson's Disease
- Interventions
- Carbidopa/levodopa/entacapone, Immediate release carbidopa/levodopa
- Drug
- Lead sponsor
- Novartis Pharmaceuticals
- Industry
- Eligibility
- 30 Years to 70 Years
- Enrollment
- 747 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2008
- U.S. locations
- 31
- States / cities
- Birmingham, Alabama • Scottsdale, Arizona • La Jolla, California + 25 more
- Conditions
- Asthma
- Interventions
- CVT-301 (levodopa inhalation powder), Carbidopa, Placebo
- Drug · Other
- Lead sponsor
- Acorda Therapeutics
- Industry
- Eligibility
- 25 Years to 65 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2016
- U.S. locations
- 3
- States / cities
- Daytona Beach, Florida • North Dartmouth, Massachusetts • Dallas, Texas
- Conditions
- Cocaine Abuse
- Interventions
- L-dopa / carbidopa / entacapone (LCE)
- Drug
- Lead sponsor
- New York State Psychiatric Institute
- Other
- Eligibility
- 21 Years to 50 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Idiopathic Parkinson's Disease
- Interventions
- IPX054 200 mg, IPX054 250 mg, CD-LD IR, CD-LD CR, IPX054 200 mg Placebo, IPX054 250 mg Placebo, CD-LD IR Placebo, CD-LD CR Placebo
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2007
- U.S. locations
- 2
- States / cities
- Bingham Farms, Michigan • Portland, Oregon