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ClinicalTrials.gov public records Last synced Oct 25, 2026, 7:48 PM EDT

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Showing 1–24 of 72 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: 4-aminopyridine Clear all
Completed Phase 2 Interventional Results available

Safety and Efficacy Study of Oral Fampridine-SR in Patients With Multiple Sclerosis

NCT00053417
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 4, 2011 · Synced Oct 25, 2026, 7:48 PM EDT
Completed No phase listed Observational Results available

An Open Label, Proof of Concept Study to Evaluate the Effects of Dalfampridine Withdrawal on Gait and Balance Parameters in Subjects With Multiple Sclerosis (MS)

NCT01535664
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Withdrawal of dalfampridine-ER 10mg
Other
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Oct 14, 2013 · Synced Oct 25, 2026, 7:48 PM EDT
Completed Phase 3 Interventional Results available

Open-Label Extension Study to Evaluate the Safety, Tolerability and Activity of Oral Fampridine-SR Tablets in Multiple Sclerosis Patients Who Participated in the MS-F203 Trial

NCT00648908
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Fampridine-SR
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
27
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 24 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2012 · Synced Oct 25, 2026, 7:48 PM EDT
Terminated Phase 3 Interventional Results available

Study to Evaluate the Long-Term Safety, Tolerability and Efficacy of Dalfampridine.

NCT02422940
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 22, 2019 · Synced Oct 25, 2026, 7:48 PM EDT
Completed Phase 1 Interventional

Effect of Amifampridine on Neuromuscular Transmission in Patients Treated With OnabotulinumtoxinA

NCT05769478
View directory record Official record
Conditions
Botulism, Iatrogenic Botulism
Interventions
Amifampridine
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 80 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 25, 2026, 7:48 PM EDT
Active, not recruiting Phase 3 Interventional Results available

A Study Of Lorlatinib Versus Crizotinib In First Line Treatment Of Patients With ALK-Positive NSCLC

NCT03052608
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Lorlatinib, Crizotinib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
296 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
34
States / cities
Altamonte Springs, Florida • Brandon, Florida • Clearwater, Florida + 23 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Oct 25, 2026, 7:48 PM EDT
Completed Phase 3 Interventional Results available

Study of Oral Fampridine-SR in Multiple Sclerosis

NCT00127530
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced Oct 25, 2026, 7:48 PM EDT
Recruiting Phase 1Phase 2 Interventional

Double Dose 4-AP on Functional Recovery After Spinal Cord Injury

NCT06853015
View directory record Official record
Conditions
SCI - Spinal Cord Injury
Interventions
Dalfampridine, Placebo, STDP stimulation, Exercise training
Drug · Other · Behavioral
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 85 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 25, 2026, 7:48 PM EDT
Approved For Marketing No phase listed Expanded access

Expanded Access Study Amifampridine Phosphate in Lambert-Eaton Myasthenic Syndrome (LEMS),Congenital Myasthenic Syndrome

NCT02189720
View directory record Official record
Conditions
Congenital Myasthenic Syndrome, Lambert-Eaton Myasthenic Syndrome, Nystagmus, Acquired
Interventions
Amifampridine Phosphate
Drug
Lead sponsor
Catalyst Pharmaceuticals, Inc.
Industry
Eligibility
2 Years and older
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Oct 25, 2026, 7:48 PM EDT
Completed Phase 1 Interventional Results available

A Study Of Oral PF-02341066, A C-Met/Hepatocyte Growth Factor Tyrosine Kinase Inhibitor, In Patients With Advanced Cancer

NCT00585195
View directory record Official record
Conditions
Non-Small Cell Lung Cancer ALK-positive, Non-Small Cell Lung Cancer c-Met Dependent, Non-Small Cell Lung Cancer ROS Marker Positive, Systemic Anaplastic Large-Cell Lymphoma, Advanced Malignancies Except Leukemia
Interventions
PF-02341066, Rifampin, Itraconazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
596 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2022
U.S. locations
24
States / cities
Orange, California • Aurora, Colorado • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Oct 25, 2026, 7:48 PM EDT
Completed Phase 2 Interventional Results available

Effectiveness of 3,4-Diaminopyridine in Lambert-Eaton Myasthenic Syndrome

NCT01511978
View directory record Official record
Conditions
Lambert-Eaton Myasthenic Syndrome, Eaton-Lambert Myasthenic Syndrome
Interventions
Continuous 3,4-DAP, Taper 3,4-DAP to Placebo
Drug
Lead sponsor
Jacobus Pharmaceutical
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
7
States / cities
Sacramento, California • Indianapolis, Indiana • Durham, North Carolina + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Oct 25, 2026, 7:48 PM EDT
Completed Phase 3 Interventional Results available

Open-Label Extension Study to Evaluate the Safety, Tolerability and Activity of Oral Fampridine-SR in Patients With Multiple Sclerosis Who Participated in the MS-F204 Trial

NCT00649792
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Fampridine-SR
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
38
States / cities
Phoenix, Arizona • Fayetteville, Arkansas • Berkeley, California + 33 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2012 · Synced Oct 25, 2026, 7:48 PM EDT
No Longer Available No phase listed Expanded access

Treatment of Lambert-Eaton Myasthenic Syndrome (LEMS) With 3, 4 DAP

NCT01378546
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Oct 25, 2026, 7:48 PM EDT
Completed Phase 4 Interventional

A New Medicine to Treat Nonarteritic Anterior Ischemic Optic Neuropathy (NAION)

NCT01975324
View directory record Official record
Conditions
Non Arteritic Ischemic Optic Neuropathy
Interventions
dalfampridine, Placebo
Drug
Lead sponsor
Neuro-Ophthalmologic Associates, PC
Other
Eligibility
40 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 25, 2016 · Synced Oct 25, 2026, 7:48 PM EDT
Active, not recruiting Phase 2Phase 3 Interventional

IDE196 (Darovasertib) in Combination With Crizotinib as First-line Therapy in Metastatic Uveal Melanoma

NCT05987332
View directory record Official record
Conditions
Metastatic Uveal Melanoma
Interventions
IDE196, Crizotinib, Pembrolizumab, Ipilimumab, Nivolumab, Dacarbazine
Drug
Lead sponsor
IDEAYA Biosciences
Industry
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
31
States / cities
Scottsdale, Arizona • La Jolla, California • Los Angeles, California + 23 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 25, 2026, 7:48 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Ampyra for Optic Neuritis in Multiple Sclerosis

NCT01337986
View directory record Official record
Conditions
Multiple Sclerosis, Optic Neuritis
Interventions
Dalfampridine/Placebo, Placebo/Dalfampridine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 30, 2020 · Synced Oct 25, 2026, 7:48 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Oral Fampridine-Sustained Release (SR) for the Treatment of Spasticity Resulting From Spinal Cord Injury

NCT01683838
View directory record Official record
Conditions
Spinal Cord Injury, Muscle Spasticity
Interventions
Fampridine-SR, Placebo
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
27
States / cities
Birmingham, Alabama • Long Beach, California • Sacramento, California + 23 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2017 · Synced Oct 25, 2026, 7:48 PM EDT
Active, not recruiting Phase 2 Interventional

Targeted Therapy Directed by Genetic Testing in Treating Patients With Advanced Refractory Solid Tumors, Lymphomas, or Multiple Myeloma (The MATCH Screening Trial)

NCT02465060
View directory record Official record
Conditions
Advanced Lymphoma, Advanced Malignant Solid Neoplasm, Bladder Carcinoma, Breast Carcinoma, Cervical Carcinoma, Colon Carcinoma, Colorectal Carcinoma, Endometrial Carcinoma, Esophageal Carcinoma, Exocrine Pancreas Carcinoma, Gastric Carcinoma, Glioma, Head and Neck Carcinoma, Hematopoietic and Lymphoid Cell Neoplasm, Kidney Carcinoma, Liver Carcinoma, Lung Carcinoma, Lymphoma, Malignant Uterine Corpus Neoplasm, Malignant Uterine Neoplasm, Melanoma, Multiple Myeloma, Ovarian Carcinoma, Prostate Carcinoma, Rectal Carcinoma, Recurrent Bladder Carcinoma, Recurrent Breast Carcinoma, Recurrent Cervical Carcinoma, Recurrent Colon Carcinoma, Recurrent Colorectal Carcinoma, Recurrent Esophageal Carcinoma, Recurrent Gastric Carcinoma, Recurrent Glioma, Recurrent Head and Neck Carcinoma, Recurrent Liver Carcinoma, Recurrent Lung Carcinoma, Recurrent Lymphoma, Recurrent Malignant Solid Neoplasm, Recurrent Malignant Uterine Corpus Neoplasm, Recurrent Melanoma, Recurrent Multiple Myeloma, Recurrent Ovarian Carcinoma, Recurrent Pancreatic Carcinoma, Recurrent Prostate Carcinoma, Recurrent Rectal Carcinoma, Recurrent Skin Carcinoma, Recurrent Thyroid Gland Carcinoma, Refractory Lymphoma, Refractory Malignant Solid Neoplasm, Refractory Multiple Myeloma, Skin Carcinoma, Thyroid Gland Carcinoma
Interventions
Adavosertib, Afatinib, Afatinib Dimaleate, Binimetinib, Biopsy Procedure, Biospecimen Collection, Capivasertib, Computed Tomography, Copanlisib, Copanlisib Hydrochloride, Crizotinib, Cytology Specimen Collection Procedure, Dabrafenib, Dabrafenib Mesylate, Dasatinib, Defactinib, Defactinib Hydrochloride, Echocardiography Test, Erdafitinib, Fexagratinib, Ipatasertib, Laboratory Biomarker Analysis, Larotrectinib, Larotrectinib Sulfate, Magnetic Resonance Imaging, Multigated Acquisition Scan, Nivolumab, Osimertinib, Palbociclib, Pertuzumab, PI3K-beta Inhibitor GSK2636771, Radiologic Examination, Radionuclide Imaging, Relatlimab, Sapanisertib, Sunitinib Malate, Taselisib, Trametinib, Trastuzumab, Trastuzumab Emtansine, Ulixertinib, Vismodegib
Drug · Procedure · Other + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
6,452 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1405
States / cities
Birmingham, Alabama • Fairhope, Alabama • Mobile, Alabama + 847 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 25, 2026, 7:48 PM EDT
Completed Phase 2 Interventional Results available

Crizotinib in High-Risk Uveal Melanoma Following Definitive Therapy

NCT02223819
View directory record Official record
Conditions
Uveal Melanoma
Interventions
Crizotinib
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
4
States / cities
Miami Beach, Florida • New York, New York • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 6, 2023 · Synced Oct 25, 2026, 7:48 PM EDT
Recruiting Phase 1 Interventional

Preoperative Imatinib and Fampridine in KIT Mutant Gastrointestinal Stromal Tumor

NCT07171203
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 25, 2026, 7:48 PM EDT
Completed Phase 2 Interventional Results available

A Phase 2b Study of Dalfampridine 10mg Extended Release Tablet in Subjects With Chronic Deficits After Ischemic Stroke

NCT01605825
View directory record Official record
Conditions
Ischemic Stroke
Interventions
placebo/dalfampridine-ER, dalfampridine-ER/placebo
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
18 Years to 85 Years
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
20
States / cities
Birmingham, Alabama • La Jolla, California • Newport Beach, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2016 · Synced Oct 25, 2026, 7:48 PM EDT
Completed Phase 3 Interventional Results available

Study of Fampridine-SR Tablets in Multiple Sclerosis Patients

NCT00483652
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Fampridine-SR, Placebo
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
36
States / cities
Phoenix, Arizona • Fayetteville, Arkansas • Berkeley, California + 31 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2016 · Synced Oct 25, 2026, 7:48 PM EDT
Recruiting Phase 2 Interventional

4-AP Peripheral Nerve Crossover Trial

NCT06003166
View directory record Official record
Conditions
Peripheral Nerve Injury, Crush Injury
Interventions
4-Aminopyridine, Placebo
Drug · Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 90 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Oct 25, 2026, 7:48 PM EDT