Status:

NOT_YET_RECRUITING

Efgartigimod for Stiff Person Syndrome (ESPS)

Lead Sponsor:

University of South Florida

Conditions:

Stiff-Person Syndrome

Eligibility:

All Genders

18-80 years

Phase:

PHASE2

Brief Summary

The goal of this clinical trial is to examine the proportion of patients with stiff person syndrome with no worsening in stiffness and/or spasms while on efgartigimod-hyaluronidase (EFD) when compared...

Eligibility Criteria

Inclusion

  • Age 18-80, men and women, capable of giving informed consent.
  • Must have unexplained stiffness of limb and axial (trunk) muscles and involuntary striated muscle spasms.
  • DSI and HHS must be \>=2 (to allow for detection of improvement).
  • Presence of serum (or CSF) anti-GAD antibodies regardless of titers.
  • Stable dosage for at least two months before screening visit with antispasmodics (muscle relaxants, benzodiazepines, baclofen).
  • Women with children bearing potential must be willing to use highly effective contraception method during and for a minimum of 90 days after the last dose of IP.

Exclusion

  • 1\. Exclusionary conditions:
  • 1a. type 1 DM
  • 1b. Cancer, except basal cell skin cancer
  • 1c. Infections: HIV, Hepatitis B or C, clinically significant active infection not sufficiently resolved in the investigator's opinion
  • 1d. Serum IgG (\<6 g/L) at screening
  • 1e. pregnancy/breast feeding. 2. Exclusionary medications: rituximab within 6 months of screening. 3. IVIG or PLEX treatment 4 weeks prior to screening. 4. History of any type of solid organ or bone marrow transplant.

Key Trial Info

Start Date :

April 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 31 2027

Estimated Enrollment :

10 Patients enrolled

Trial Details

Trial ID

NCT06528392

Start Date

April 1 2025

End Date

December 31 2027

Last Update

April 11 2025

Active Locations (1)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 1 (1 locations)

1

University of South Florida, Carol and Frank Morsani Center for Advanced Healthcare

Tampa, Florida, United States, 33612