Status:

RECRUITING

Acetazolamide for Treatment Resistant Schizophrenia

Lead Sponsor:

Vishwajit Nimgaonkar, MD PhD

Collaborating Sponsors:

Stanley Medical Research Institute

Conditions:

Schizophrenia

Schizo Affective Disorder

Eligibility:

All Genders

18-55 years

Phase:

PHASE1

PHASE2

Brief Summary

This is a double blind adjunctive randomized controlled trial for schizophrenia using acetazolamide.

Detailed Description

Schizophrenia (SZ) afflicts over 21 million people worldwide. Persons with SZ have a 10% suicide rate and their lifespan is curtailed by over 25 years. There is an urgent need for efficacious antipsyc...

Eligibility Criteria

Inclusion

  • Written informed consent.
  • Both genders, ages 18-55 years (older patients may not tolerate high ACZ dose).
  • PANSS total score \> 60 and Score \> 4 on one or more items of the 'positive' syndrome items (P1-P7), following treatment at therapeutic doses for 6 weeks with different APDs on 2 occasions.
  • Stable dose of antipsychotic drug (APD) for \> 1 month, continued throughout the study.
  • Not participating in another randomized controlled clinical trial (RCT).

Exclusion

  • Substance abuse in the past month/dependence past 6 months with the exception of methadone prescribed for opiate withdrawal.
  • History or current medical/neurological illnesses that may lead to unstable course, e.g., epilepsy.
  • Pregnancy.
  • Acetazolamide (ACZ) contraindications: hypersensitivity to ACZ; history of renal hyperchloremic acidosis; Addison's disease/adrenal failure; chronic closed angle-closure glaucoma.
  • Current or prior treatment with ACZ or history of hypersensitivity to ACZ.
  • Intellectual disability as defined in DSM 5.

Key Trial Info

Start Date :

February 1 2022

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 30 2026

Estimated Enrollment :

60 Patients enrolled

Trial Details

Trial ID

NCT04887792

Start Date

February 1 2022

End Date

December 30 2026

Last Update

April 3 2025

Active Locations (2)

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

Page 1 of 1 (2 locations)

1

University of Pittsburgh

Pittsburgh, Pennsylvania, United States, 15213

2

St John's Medical College Hospital

Bangalore, India