- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02868567
Use of Dalfampridine in Primary Lateral Sclerosis
August 1, 2023 updated by: Hospital for Special Surgery, New York
A Multicenter, 18-week Open Label Safety and Efficacy Trial of Dalfampridine in Primary Lateral Sclerosis
This study will comprise an 18-week open label safety and tolerability trial.
In this study, a total of 35 subjects with primary lateral sclerosis PLS or upper motor neuron predominate ALS will be enrolled.
At the initial screening evaluation, a baseline T25FW will be obtained.
This baseline test will be repeated at weeks 2, 4, 6, 10, 14 18.
The validity of this measure was shown in MS studies when compared to the MSWS-12 (12 item walking scale) and CGI (clinical global impression) scales (35-37).
A consistent responder will be defined as improvement in 3 of 4 Timed 25Foot Walk while on medication, compared with the baseline results while off medication.
Study Overview
Status
Active, not recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
35
Phase
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Florida
-
Gainesville, Florida, United States, 32607
- University of Florida Gainsville
-
-
Massachusetts
-
Boston, Massachusetts, United States, 02114
- Mass General Hospital
-
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New York
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New York, New York, United States, 10021
- Shara Holzberg
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 99 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Male or female, aged 18-99;
- Diagnosis of upper motor neuron disease, compatible with PLS but may include upper motor neuron (UMN) predominant ALS, defined as only upper motor neuron (UMN) features in at least 2 body regions on examination.
- EMG within 3 months of enrollment with minimal or no evidence of lower motor neuron disease,
- Time from symptom onset > 18 months
- No previous allergy to dalfampridine
- No current or exposure to any therapeutic agent targeting PLS or ALS within 30 days of enrollment.
- Must have a forced vital capacity (FVC) ≥ 60% of expected
- Written informed consent prior to screening is present.
- Subjects on a stable dose of or have not taken Riluzole for at least thirty days
- Impaired walking as measured by a Hauser Index of greater than 1 and less than 7 (2 to 6, inclusive);
- Mini Mental Status Score > 22 and deemed by the PI of being capable of providing informed consent and following trial procedures.
- Geographically accessible to the site.
- Women must not be able to become pregnant (e.g., post-menopausal, surgically sterile, or using adequate birth control methods) for the duration of the study and three months after study completion. Adequate contraception includes: abstinence, hormonal contraception (oral contraception, implanted contraception, injected contraception or other hormonal contraception, for example patch or contraceptive ring), intrauterine device (IUD) in place for ≥ 3 months, barrier method in conjunction with spermicide, or another adequate method.
Exclusion Criteria:
- History of clinically significant liver disease, renal disease, peripheral neuropathy, serious peripheral vascular disease, known HSP or + C9orf72 or SPG4 mutation, or any other medical condition felt to be exclusionary by the investigator;
- Unwillingness to sign informed consent or any other reasons for which the investigator feels the subject cannot complete the study;
- Women who are pregnant, breastfeeding, or trying to become pregnant;
- Active cancer within the previous 2 years, except treated basal cell carcinoma of the skin;
- Subjects taking any other experimental drugs within 30 days prior to enrollment;
- Patient has any history of seizures; brain surgery, brain implants, any metallic implants above the neck, cardiac pacemakers, cochlear implants, piercing or body modification above the neck, known history of TMS related complications or side-effects, tinnitus.
- Patient has moderate or severe renal impairment as defined by a calculated creatinine clearance of ≤50 mL/minute;
- Patient has been administered botulinum toxin in the lower extremities within 6 months prior to the screening visit and/or is expected to receive botulinum toxin in the lower extremities during the course of the study;
- Patient has a known allergy to pyridine-containing substances or any of the inactive ingredients of the dalfampridine tablet (colloidal silicon dioxide, hydroxypropyl methylcellulose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, and titanium dioxide);
- Patient has a history of drug or alcohol abuse within the past year;
- Patient has clinically significant abnormal laboratory values.
- Anything else that, in the opinion of the SI, would place the subject at increased risk or preclude the subject's full compliance with or completion of the study.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Ampyra
Ampyra open label
|
Pill open label
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
consistent improvement in the Timed 25 Foot Walk test
Time Frame: over the duration of the study at week 2, 4, 6, 10, 14, 18
|
speed of walking 25 feet
|
over the duration of the study at week 2, 4, 6, 10, 14, 18
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Effect of Dalfampridine on quality of life
Time Frame: over the course of study at weeks 2, 4, 6, 10, 14, 18
|
ALSFRS-R,
|
over the course of study at weeks 2, 4, 6, 10, 14, 18
|
Effects of Dalfampridine on functional status
Time Frame: over the course of study at weeks 2, 4, 6, 10, 14, 18
|
MSWS-12
|
over the course of study at weeks 2, 4, 6, 10, 14, 18
|
Effects of Dalfampridine on functional status
Time Frame: over the course of study at weeks 2, 4, 6, 10, 14, 18
|
CGI, SGI
|
over the course of study at weeks 2, 4, 6, 10, 14, 18
|
Effects of Dalfampridine on functional status
Time Frame: over the course of study at weeks 2, 4, 6, 10, 14, 18
|
2MW, TUG
|
over the course of study at weeks 2, 4, 6, 10, 14, 18
|
Effects of Dalfampridine on functional status
Time Frame: over the course of study at weeks 2, 4, 6, 10, 14, 18
|
PPT, Hand and Foot tapping.
|
over the course of study at weeks 2, 4, 6, 10, 14, 18
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Dale Lange, MD, HSS
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
March 1, 2016
Primary Completion (Estimated)
July 1, 2024
Study Completion (Estimated)
July 1, 2024
Study Registration Dates
First Submitted
March 17, 2016
First Submitted That Met QC Criteria
August 14, 2016
First Posted (Estimated)
August 16, 2016
Study Record Updates
Last Update Posted (Actual)
August 2, 2023
Last Update Submitted That Met QC Criteria
August 1, 2023
Last Verified
August 1, 2023
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Metabolic Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Neuromuscular Diseases
- Neurodegenerative Diseases
- Spinal Cord Diseases
- TDP-43 Proteinopathies
- Proteostasis Deficiencies
- Motor Neuron Disease
- Amyotrophic Lateral Sclerosis
- Molecular Mechanisms of Pharmacological Action
- Membrane Transport Modulators
- Potassium Channel Blockers
- 4-Aminopyridine
Other Study ID Numbers
- 2016-247
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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