Nicotinamide Riboside (NR) to Treat Moyamoya-like Cerebrovascular Disease in Smooth Muscle Dysfunction Syndrome (SMDS)

Last updated: September 5, 2025
Sponsor: The University of Texas Health Science Center, Houston
Overall Status: Active - Recruiting

Phase

1

Condition

Stroke

Cerebral Ischemia

Neurologic Disorders

Treatment

Nicotinamide riboside (NR)

Clinical Study ID

NCT06280482
HSC-MS-23-0332
  • Ages > 1
  • All Genders

Study Summary

The purpose of this study is to determine whether SMDS patients treated with NR at the proposed dose exhibit decreased glucose uptake in the aorta, to determine if NR treatment results in measurable changes of blood NAD+ and NR levels, to determine if aortic measurements are stable after treatment with NR and to evaluate the safety and tolerability of NR in SMDS patients.

Eligibility Criteria

Inclusion

Inclusion Criteria:

  • Individuals diagnosed with SMDS with confirmed ACTA2 mutation disrupting arginine 179

  • Parental/guardian permission (informed consent) and, if appropriate, child assent.

Exclusion

Exclusion Criteria:

  • Individuals who have undergone surgery to replace aneurysmal or dissected ascendingand root aortic tissue with a graft.

  • Additional medical conditions that impair the patient's ability to participate inthe study.

  • Known allergy or sensitivity to niacin or nicotinamide riboside.

  • Prior consumption of niacin or nicotinamide riboside supplement within the prioreight weeks.

  • Failure to provide informed consent.

  • Concurrent participation in another intervention trial.

Study Design

Total Participants: 15
Treatment Group(s): 1
Primary Treatment: Nicotinamide riboside (NR)
Phase: 1
Study Start date:
March 06, 2024
Estimated Completion Date:
July 25, 2027

Connect with a study center

  • The University of Texas Health Science Center at Houston

    Houston, Texas 77030
    United States

    Site Not Available

  • The University of Texas Health Science Center at Houston

    Houston 4699066, Texas 4736286 77030
    United States

    Active - Recruiting

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