Related Experiment Video
Updated: Dec 30, 2025

A Pipeline to Investigate the Structures and Signaling Pathways of Sphingosine 1-Phosphate Receptors
Published on: June 8, 2022
Siponimod Chips Away at Progressive MS
Erin E Longbrake1, David A Hafler1
1Yale University, New Haven, CT, USA.
Abstract:
Progressive multiple sclerosis (PMS) causes slow accumulation of neurologic disability and has been refractory to treatment with the immunomodulatory medications that effectively control relapsing MS. Siponimod modestly slowed the rate of disability progression among PMS patients who had inflammatory disease activity, evidenced by new or gadolinium-enhancing MRI lesions. To view this Bench to Bedside, open or download the PDF.
Insights
Siponimod showed modest benefits for slowing disability progression in progressive multiple sclerosis (PMS) patients with active inflammation. This finding offers a potential new treatment avenue for this challenging neurological condition.
Area of Science:
- Neuroimmunology
- Neurology
- Clinical Therapeutics
Background:
- Progressive multiple sclerosis (PMS) is characterized by gradual neurological decline and is often unresponsive to treatments effective for relapsing forms of MS.
- Current treatments primarily focus on managing inflammatory relapsing-remitting MS, leaving a significant unmet need for progressive MS therapies.
Discussion:
- Siponimod demonstrated a modest effect in decelerating disability progression in PMS patients exhibiting inflammatory activity.
- Inflammatory activity was identified through the presence of new or gadolinium-enhancing MRI lesions, serving as a biomarker for treatment response.
Key Insights:
- The study highlights Siponimod's potential role in managing a subset of PMS patients with active disease.
- Identifying inflammatory markers is crucial for selecting PMS patients who may benefit from Siponimod therapy.
Outlook:
- Further research is warranted to explore long-term efficacy and safety of Siponimod in diverse PMS populations.
- Investigating biomarkers to predict treatment response will optimize therapeutic strategies for progressive multiple sclerosis.
More Related Videos
Related Concept Videos
Drugs for Treatment of Crohn's Disease in IBD Using Immunomodulatory Agents
Skeletal Muscle Relaxants: Adverse Effects
Unlike...
Parkinson's Disease: Treatment
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...
Parkinson's Disease: Overview
Myasthenia Gravis: Overview and Treatment
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
Inflammatory Bowel Disease IV: Pharmacological Management
Pharmacologic...

