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ClinicalTrials.gov public records Last synced Sep 5, 2026, 8:28 PM EDT

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Showing 1–24 of 58 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Multiple Sclerosis
Interventions
Placebo, 10 milligram (mg) fampridine-SR (4-aminopyridine, 4-AP), 15 mg fampridine-SR (4-aminopyridine, 4-AP), 20 mg fampridine-SR (4-aminopyridine, 4-AP)
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003
U.S. locations
23
States / cities
Phoenix, Arizona • Los Angeles, California • New Haven, Connecticut + 19 more
Conditions
Renal Insufficiency
Interventions
Dalfampridine-ER
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
2
States / cities
Anaheim, California • South Miami, Florida
Recruiting Phase 2 Interventional Accepts healthy volunteers

4-aminopyridine for Skin Wound Healing

NCT06333171
Conditions
Wounds, Wound of Skin, Wound Heal, Wounds and Injuries
Interventions
4-Aminopyridine, Placebo
Drug · Other
Lead sponsor
John Elfar
Other
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Gastrointestinal Stromal Tumors
Interventions
Imatinib, Fampridine
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
La Jolla, California
Conditions
Lambert Eaton Myasthenic Syndrome (LEMS)
Interventions
3,4-diaminopyridine
Drug
Lead sponsor
Louis H. Weimer, MD
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
1
States / cities
New York, New York
Completed Phase 3 Interventional Results available

Study of Oral Fampridine-SR in Multiple Sclerosis

NCT00127530
Conditions
Multiple Sclerosis
Interventions
Fampridine-SR, Placebo
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
30
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 26 more
No Longer Available No phase listed Expanded access

Treatment of Lambert-Eaton Syndrome With 3,4 DAP

NCT00704925
Conditions
Lambert Eaton Myasthenic Syndrome
Interventions
3, 4 DAP
Drug
Lead sponsor
David P. Richman, MD
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Sacramento, California
Completed Phase 2 Interventional Results available

Dalfampridine for Imbalance in Multiple Sclerosis

NCT01444300
Conditions
Multiple Sclerosis, Fatigue
Interventions
Dalfampridine, Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
20 Years to 59 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Portland, Oregon
No Longer Available No phase listed Expanded access

Treatment Use of 3,4-Diaminopyridine

NCT01765140
Conditions
Myasthenic Syndromes, Congenital
Interventions
3,4-diaminopyridine
Drug
Lead sponsor
Vern C. Juel, M.D.
Other
Eligibility
Not listed
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Transverse Myelitis, Neuromyelitis Optica, Idiopathic Transverse Myelitis, Myelitis NOS
Interventions
Dalfampridine, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Multiple Sclerosis
Interventions
Fampridine-SR b.i.d. (Twice Daily)
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
20
States / cities
Phoenix, Arizona • Los Angeles, California • Atlanta, Georgia + 17 more
Conditions
Post-ischemic Stroke
Interventions
dalfampridine-ER 7.5 mg, dalfampridine-ER 10 mg
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
62
States / cities
Gilbert, Arizona • Berkeley, California • Carlsbad, California + 54 more
Conditions
Vestibular Migraine, Migraine Disorders, Vestibular Diseases
Interventions
4-aminopyridine, Atenolol, Placebo
Drug · Other
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Lambert Eaton Myasthenic Syndrome
Interventions
Amifampridine Phosphate, Placebo
Drug
Lead sponsor
Catalyst Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
6
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 3 more
Conditions
Myasthenia Gravis, Generalized
Interventions
Amifampridine Phosphate, Placebo Oral Tablet
Drug
Lead sponsor
Catalyst Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Cleveland, Ohio • Philadelphia, Pennsylvania
Conditions
Burns, Second Degree Burn, Wounds and Injuries
Interventions
Drug: 4-Aminopyridine, Placebo
Drug · Other
Lead sponsor
John Elfar
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Nerve Injury, Prostate Cancer
Interventions
4-Aminopyridine, Placebo
Drug · Other
Lead sponsor
John Elfar
Other
Eligibility
45 Years to 75 Years · Male only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
2
States / cities
Tucson, Arizona • Rochester, New York
Conditions
Multiple Sclerosis
Interventions
fampridine, Placebo
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 70 Years
Enrollment
646 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
17
States / cities
Cullman, Alabama • Phoenix, Arizona • San Diego, California + 12 more
Conditions
Spinal Cord Injury
Interventions
Dalfampridine, Placebo
Drug
Lead sponsor
Kessler Foundation
Other
Eligibility
18 Years to 70 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
West Orange, New Jersey
Conditions
Vocal Weakness(Post-BOTOX Injection)
Interventions
Amifampridine
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Augusta, Georgia
Conditions
Myasthenia Gravis, MuSK, AChR Myasthenia Gravis
Interventions
Amifampridine Phosphate
Drug
Lead sponsor
Catalyst Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
2
States / cities
Cleveland, Ohio • Philadelphia, Pennsylvania
Conditions
Lambert-Eaton Myasthenic Syndrome (LEMS), Congenital Myasthenia (CM)
Interventions
3,4-diaminopyridine
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
2 Years and older
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Cerebral Palsy (CP)
Interventions
dalfampridine-ER 10mg, Placebo
Drug · Other
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
11
States / cities
Birmingham, Alabama • Downey, California • Los Angeles, California + 8 more
Conditions
Multiple Sclerosis
Interventions
Dalfampridine 10 MG [Ampyra], Physical therapy, Dalfampridine plus physical therapy
Drug · Behavioral · Other
Lead sponsor
MGH Institute of Health Professions
Other
Eligibility
25 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts