Clinical trial Recruiting at 33 sites Phase 2 Interventional Ages 18 and up

Evaluating NMD670 for treating Myasthenia Gravis in adults

Official title: A Phase 2b, Randomised, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy, Safety, and Tolerability of 3 Dose Levels of NMD670 Over 21 Days in Adult Patients With AChR/MuSK-Ab+ Myasthenia Gravis

Run by NMD Pharma A/S · NCT06414954 · Data updated 2026-11-12

This study is testing if a new medication called NMD670 can help adults with Myasthenia Gravis feel better by comparing different doses to a placebo.

More Myasthenia Gravis trials

Quick facts

PhasePhase 2
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment84 (estimated)
SponsorNMD Pharma A/S
Industry-sponsored
Locations40 sites (Carlsbad, California and 39 other locations)
StatusRecruiting
StartedMay 16, 2024
Main results expectedDecember 2026
Study endsDecember 2026
Registry record updatedAugust 21, 2026
Trial IDNCT06414954 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include adults aged 18 and older with a confirmed diagnosis of Myasthenia Gravis and positive AChR or MuSK antibody tests.

Probably not a fit

Patients with other significant medical or psychological conditions that may interfere with study participation or outcomes 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 Phase 2 proof-of-concept study investigates the safety and efficacy of three different dose levels of NMD670 compared to a placebo in adult patients diagnosed with Myasthenia Gravis who have antibodies against AChR or MuSK. Participants will receive the treatment twice daily for a duration of 21 days. The study aims to determine the optimal dose that balances safety and effectiveness in managing symptoms of this condition.

Why it matters

Potential benefit: If successful, this treatment could significantly improve the management of Myasthenia Gravis symptoms in affected patients.

How similar studies have gone: While this approach is being tested in this specific context, similar studies have shown promise in evaluating new treatments for Myasthenia Gravis.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Participant must be a male or female being 18 or more, at the time of signing the informed consent
* Diagnosis of MG, MGFA class II, III or IV
* Documented positive AChR or MuSK antibody test.
* Participant must be able to swallow tablets
* Body mass index between 18 and 35 kg/m2, inclusive, at screening, and with a minimum weight of 40 kg
* Contraceptive use by men and women must be consistent with local regulations regarding the methods of contraception for those participating in clinical studies
* Participant is capable of and has given signed informed consent

Exclusion Criteria:

* Known medical or psychological condition(s) or risk factor that, in the opinion of the Investigator, might interfere with the patient's full participation in the study, pose any additional risk for the patient, or confound the assessment of the patient or outcome of the study
* Participants with other significant clinical and/or laboratory safety findings that may interfere with the conduction or interpretation of the study
* Participants that received treatment with an investigational medical product within 30 days or 5 half-lives of the medication, whichever is longer prior to Day 1
* Participants with history of poor compliance with relevant MG therapy
* Female patients who plan to become pregnant during the study or are currently pregnant or breastfeeding

Where it's running

  • University of California Irvine Medical Center
    Irvine, California, United States
    Recruiting
  • University of Colorado Neuromuscular Division
    Aurora, Colorado, United States
    Recruiting
  • SFM Clinical Research, LLC
    Boca Raton, Florida, United States
    Recruiting
  • Neuromuscular Research Division | University of South Florida
    Tampa, Florida, United States
    Recruiting
  • Augusta University, Neuroscience Center
    Augusta, Georgia, United States
    Recruiting
  • NextGen Precision Health
    Columbia, Missouri, United States
    Recruiting
Show 34 more locations
  • The University of North Carolina at Chapel Hill
    Chapel Hill, North Carolina, United States
    Recruiting
  • The Ohio State University
    Columbus, Ohio, United States
    Recruiting
  • University of Oregon
    Portland, Oregon, United States
    Recruiting
  • Aarhus University Hospital
    Aarhus, Denmark
    Recruiting
  • Rigshospitalet University of Copenhagen
    Copenhagen, Denmark
    Recruiting
  • Centre de référence des maladies neuromusculaires AOC-CHU de Bordeaux - Hôpital Pellegrin
    Bordeaux, France
    Recruiting
  • Centre de Référence des Maladies Neuromusculaires et de la SLA
    Marseille, France
    Recruiting
  • Centre Hospitalier Universitaire de Nantes - Hôtel Dieu Centre de Référence des Maladies Neuromusculaires Rares -
    Nantes, France
    Recruiting
  • CHU de Nice
    Nice, France
    Recruiting
  • Unité de Recherche Clinique NeuroSciences
    Nice, France
    Recruiting
  • ASST Papa Giovanni XXIII (Azienda Ospedaliera Papa Giovanni XXIII)
    Bergamo, Italy
    Recruiting
  • IRCCS Istituo delle Scienze neurologiche di Bologna, UOC Clinica neurologica Ospedale
    Bologna, Italy
    Recruiting
  • IRCCS Ospedale Policlinico San Martino
    Genova, Italy
    Recruiting
  • IRCCS Fondazione Istituto Neurologico Carlo Besta, Dipartimento di Ricerca e Sviluppo clinico
    Milan, Italy
    Recruiting
  • DIMER, IRCCS, Ospedale San Raffaele
    Milan, Italy
    Recruiting
  • Centro Sclerosi Multipla Napoli - AOU Vanvitelli
    Naples, Italy
    Recruiting
  • AOU Pisana
    Pisa, Italy
    Recruiting
  • Azienda Ospedaliera Sant'Andrea - Universita di Roma La Sapienza
    Roma, Italy
    Recruiting
  • Leiden Universitair Medisch Centrum (LUMC)
    Leiden, Netherlands
    Recruiting
  • Neurologia Śląska Centrum Medyczne
    Katowice, Poland
    Recruiting
  • Szpital Specjalistyczny im. Ludwika Rydygiera w Krakowie sp.z o.o
    Krakow, Poland
    Recruiting
  • Centrum Medyczne Hope Clinic
    Lublin, Poland
    Recruiting
  • Galen Clinic
    Lublin, Poland
    Recruiting
  • NeuroCor Banaszkiewicz, Tomaszewski Lekarze Spółka Partnerska
    Myślenice, Poland
    Recruiting
  • Centrum Medyczne Neuro Protect
    Warsaw, Poland
    Recruiting
  • University Clinical Center Nis, Neurology Clinic
    Niš, Serbia
    Recruiting
  • Hospìtal Universitari Vall d'Hebrón
    Barcelona, Spain
    Recruiting
  • Profound Research LLC
    Carlsbad, California, United States
    Withdrawn
  • Semmes Murphey Clinic
    Memphis, Tennessee, United States
    Withdrawn
  • UZ Leuven
    Leuven, Belgium
    Withdrawn
  • JSC Curatio
    Tbilisi, Georgia
    Active not recruiting
  • LTD David Tatishvili Health Center
    Tbilisi, Georgia
    Active not recruiting
  • Ltd New Hospitals
    Tbilisi, Georgia
    Active not recruiting
  • University Clinical Center of Serbia, Neurology Clinic
    Belgrade, Serbia
    Withdrawn

Study contacts

Similar studies

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

  • MG patient registry to track long-term experiences and treatment patterns

    This registry collects information from adults with myasthenia gravis to see how symptoms and quality of life change over time and how treatments relate to those changes.

    Recruiting Autoimmune Neurology Alliance · Framingham, Massachusetts · NCT07761026

  • Registry for people living with Myasthenia Gravis

    This study is collecting information from people with Myasthenia Gravis to understand their experiences, symptoms, and treatments over time.

    Recruiting Myasthenia Gravis Foundation of America · Westborough, Massachusetts · NCT06617741

  • Ublituximab maintenance after efgartigimod response in myasthenia gravis

    This study tests whether giving ublituximab as maintenance after a positive response to efgartigimod helps adults with myasthenia gravis.

    Recruiting at 7 sites Phase 2 TG Therapeutics, Inc. · Colorado Springs, Colorado and 6 other locations · NCT07673744

  • Pregnant Women with Neuroimmune Diseases: A long-term follow-up study

    This study follows women with neuroimmune diseases and healthy controls through pregnancy and up to ten years to see how pregnancy affects disease activity and outcomes for both mother and baby.

    Recruiting Third Affiliated Hospital, Sun Yat-Sen University · Guangzhou, Guangdong · NCT07653984

  • Early ravulizumab for adults with myasthenic crisis in the ICU

    This project will test whether giving ravulizumab early to adults with AChR-positive generalized myasthenia gravis who are in the ICU for a myasthenic crisis helps speed recovery.

    Recruiting at 5 sites Centre Hospitalier Universitaire de Nice · Nice, Alpes-maritimes and 7 other locations · NCT07411963

  • KITE-363 treatment for relapsed or refractory autoimmune neurologic diseases

    This study will test whether KITE-363 is safe and can help people with relapsed or treatment-resistant autoimmune neurologic diseases such as MS, CIDP, and myasthenia gravis.

    Recruiting at 10 sites Phase 1 Gilead Sciences · Newport Beach, California and 9 other locations · NCT07304154

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.