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Completed Phase 3 Interventional Results available

Safety and Tolerability of Conversion From Oral, Injectable, or Infusion Disease Modifying Therapies to Dose-titrated Oral Siponimod (Mayzent) in Advancing RMS Patients

ClinicalTrials.gov ID: NCT03623243

Public ClinicalTrials.gov record NCT03623243. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 6:38 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Exploring the Safety and Tolerability of Conversion From Oral, Injectable, or Infusion Disease Modifying Therapies to Dose-titrated Oral Siponimod (Mayzent) in Patients With Advancing Forms of Relapsing Multiple Sclerosis: A 6-month Open Label, Multi- Center Phase IIIb Study

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

To assess safety and tolerability of patients converting from approved Relapsing Multiple Sclerosis (RMS) Disease Modifying Therapies (DMTs) to siponimod.

Study identification

NCT ID
NCT03623243
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Novartis Pharmaceuticals
Industry
Enrollment
185 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 65 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 13, 2019
Primary completion
Jul 5, 2022
Completion
Jul 5, 2022
Last update posted
Jun 19, 2024

2019 – 2022

United States locations

U.S. sites
54
U.S. states
23
U.S. cities
52
Facility City State ZIP Site status
Novartis Investigative Site Birmingham Alabama 35209
Novartis Investigative Site Cullman Alabama 35058
Alabama Neurology Associates Homewood Alabama 35209
Novartis Investigative Site Tucson Arizona 85718
Novartis Investigative Site Fresno California 93710
Novartis Investigative Site Fullerton California 92835
Novartis Investigative Site Irvine California 92617
Novartis Investigative Site Colorado Springs Colorado 80907
Novartis Investigative Site Denver Colorado 80209
Novartis Investigative Site Fort Collins Colorado 80528
Novartis Investigative Site Boca Raton Florida 33487
Novartis Investigative Site Bradenton Florida 34205
MS & Neuromuscular Center of Excellence Clearwater Florida 33761
Novartis Investigative Site Maitland Florida 32751
Novartis Investigative Site Miami Florida 33136
Novartis Investigative Site Ocala Florida 34471
Novartis Investigative Site Oldsmar Florida 34677
Novartis Investigative Site Orlando Florida 32806
Novartis Investigative Site Ormond Beach Florida 32174
Novartis Investigative Site Sarasota Florida 34243
Novartis Investigative Site Sunrise Florida 33351
Novartis Investigative Site Tampa Florida 33612
Novartis Investigative Site Vero Beach Florida 32960
Novartis Investigative Site Flossmoor Illinois 60422
Novartis Investigative Site Indianapolis Indiana 46256
Novartis Investigative Site Lexington Kentucky 40503
Novartis Investigative Site Lexington Kentucky 40509
Novartis Investigative Site Lexington Kentucky 40513
Novartis Investigative Site Rockville Maryland 20854
Novartis Investigative Site Clinton Township Michigan 48035
Novartis Investigative Site St Louis Missouri 63110
Novartis Investigative Site Las Vegas Nevada 89128
Novartis Investigative Site Hackensack New Jersey 07601
Novartis Investigative Site Asheville North Carolina 28806
Novartis Investigative Site Greensboro North Carolina 27405
Novartis Investigative Site Raleigh North Carolina 27607
Novartis Investigative Site Cincinnati Ohio 45219
Novartis Investigative Site Cleveland Ohio 44106-5028
Novartis Investigative Site Oklahoma City Oklahoma 73104
Abington Neurological Associates, Ltd Abington Pennsylvania 19001
Novartis Investigative Site Philadelphia Pennsylvania 19141
Novartis Investigative Site Willow Grove Pennsylvania 19090
Novartis Investigative Site Greer South Carolina 29650
Novartis Investigative Site Old Point Station South Carolina 29707
Novartis Investigative Site Cordova Tennessee 38018
Novartis Investigative Site Johnson City Tennessee 37604
Novartis Investigative Site Round Rock Texas 78681
Novartis Investigative Site San Antonio Texas 78258
Novartis Investigative Site Falls Church Virginia 22043
Novartis Investigative Site Kirkland Washington 98034
Novartis Investigative Site Seattle Washington 98122
Novartis Investigative Site Spokane Washington 99202
Novartis Investigative Site Tacoma Washington 98405
Novartis Investigative Site Waukesha Wisconsin 53188

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03623243, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 19, 2024 · Synced Sep 2, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03623243 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →