Clinical trial Recruiting at 10 sites Observational Ages 18 to 99

Observing the effects of Ofatumumab in Portuguese patients with relapsing multiple sclerosis

Official title: Ofatumumab in Portuguese Multiple Sclerosis Patients - an Observational Study

Run by Novartis · NCT05809986 · Data updated 2026-11-12

This study is testing how well Ofatumumab works for Portuguese patients with relapsing multiple sclerosis who started treatment either within three years of their diagnosis or after, to see if it helps them stay symptom-free.

More Multiple Sclerosis, Relapsing-Remitting trials

Quick facts

Study typeObservational
Ages18 Years to 99 Years
SexAll
Enrollment174 (estimated)
SponsorNovartis
Industry-sponsored
Drugs / interventionsOfatumumab, Ocrelizumab, Natalizumab, Rituximab, Alemtuzumab
Locations10 sites (Amadora and 9 other locations)
StatusRecruiting
StartedNovember 27, 2023
Main results expectedDecember 31, 2026
Study endsDecember 31, 2026
Registry record updatedJuly 7, 2026
Trial IDNCT05809986 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adults aged 18 years or older with a diagnosis of relapsing multiple sclerosis who are either initiating Ofatumumab treatment or have started it within the last 12 months.

Probably not a fit

Patients who have not been diagnosed with relapsing multiple sclerosis or those currently using investigational drugs may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study aims to compare the effectiveness of Ofatumumab treatment in two groups of patients with relapsing multiple sclerosis (RMS) in Portugal. One group consists of patients who started Ofatumumab within three years of their diagnosis, while the other group includes those who began treatment after three years. Data will be collected over a maximum of 24 months through three visits, with additional assessments if patients show worsening symptoms. The study seeks to evaluate the rate of No Evidence of Disease Activity (NEDA)-3 between the two cohorts.

Why it matters

Potential benefit: If successful, this study could provide insights into the optimal timing for initiating Ofatumumab treatment in RMS patients, potentially improving patient outcomes.

How similar studies have gone: While this approach is observational and may not have been extensively tested in this specific context, similar studies have shown promise in evaluating treatment effectiveness in real-world settings.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

To participate in the study, all the following inclusion criteria must be met:

* Patients aged 18 years or older
* Written informed consent obtained before participating in the study.
* Patient is willing and able to complete the assessments, including PRO questionnaires, as outlined in this study.
* Diagnosis of RMS per McDonald Criteria (2017) occurred prior to initiation of Ofatumumab.
* Treatment with Ofatumumab is in accordance with the Portuguese indication of Kesimpta® (i.e., treatment of adult patients with relapsing multiple sclerosis (RMS) with active disease defined by clinical or imaging features).
* Patients that have initiated Ofatumumab up to 12 M prior inclusion in the study OR Patients that are initiating Ofatumumab at the moment of study inclusion.

Exclusion Criteria:

To participate in the study, none of the following exclusion criteria must be met:

* Use of investigational drugs during the study, OR between Ofatumumab initiation and inclusion into the study, OR within 5 half-lives of investigational drug before Ofatumumab initiation, OR until the expected pharmacodynamic effect has returned to baseline, whichever is longer.
* Use of high efficacy therapy (including Ocrelizumab, Natalizumab, Mitoxantrone, Rituximab and Alemtuzumab) in both cohorts prior to the initiation of Ofatumumab.

Where it's running

  • Novartis Investigative Site
    Amadora, Portugal
    Recruiting
  • Novartis Investigative Site
    Guimarães, Portugal
    Recruiting
  • Novartis Investigative Site
    Leiria, Portugal
    Recruiting
  • Novartis Investigative Site
    Lisbon, Portugal
    Recruiting
  • Novartis Investigative Site
    Lisbon, Portugal
    Recruiting
  • Novartis Investigative Site
    Lisbon, Portugal
    Recruiting
Show 4 more locations
  • Novartis Investigative Site
    Matosinhos Municipality, Portugal
    Recruiting
  • Novartis Investigative Site
    Ponte de Lima, Portugal
    Recruiting
  • Novartis Investigative Site
    Porto, Portugal
    Recruiting
  • Novartis Investigative Site
    Setúbal, Portugal
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.