Related Experiment Video
Updated: May 10, 2026

A Randomized, Sham-Controlled Trial of Cranial Electrical Stimulation for Fibromyalgia Pain and Physical Function, Using Brain Imaging Biomarkers
Published on: January 5, 2024
Assessing dalfampridine efficacy in the physician's office.
J B Raffel1, O Malik, R S Nicholas
1Department of Neurology, Imperial College Healthcare NHS Trust, London, UK.
Dalfampridine improves walking speed in some multiple sclerosis patients. Identifying which patients benefit most from this treatment remains a critical clinical challenge not yet fully addressed in research.
Area of Science:
- Neurology
- Clinical Pharmacology
Background:
- Dalfampridine (extended release 4-aminopyridine) has demonstrated efficacy in improving walking speed in multiple sclerosis (MS).
- Evidence from randomized controlled trials indicates that only a subset of MS patients experience significant benefits from dalfampridine treatment.
Purpose of the Study:
- To address the clinical challenge of identifying MS patients who are likely to achieve meaningful therapeutic benefits from dalfampridine.
- To bridge the gap between trial findings and practical clinical decision-making for neurologists regarding dalfampridine prescription.
Main Methods:
- Review of recent randomized controlled trials on dalfampridine in multiple sclerosis.
- Analysis of existing literature to identify patterns or predictors of treatment response.
- Synthesis of clinical trial data to inform patient selection strategies.
Main Results:
- Dalfampridine's effectiveness in improving walking speed is confirmed but patient response is variable.
- The literature currently lacks clear guidelines or validated methods for predicting individual patient response to dalfampridine.
- A significant unmet need exists for tools to differentiate responders from non-responders in clinical practice.
Conclusions:
- While dalfampridine offers a potential benefit for walking in MS, patient selection is crucial.
- Further research is needed to develop predictive markers or clinical tools for dalfampridine therapy.
- Clinicians require better evidence to guide the use of dalfampridine in individual multiple sclerosis patients.
Related Concept Videos
Therapeutic Drug Monitoring: Drug Analysis Methods
Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test
Measurement of Bioavailability: Pharmacodynamic Methods
Drug Dosing: Geriatric Patients
