Phase 4 Schizophrenia Trial, Recruiting NCT05590637 Sponsor: The University of Texas Health Science Center at San Antonio Condition: Schizophrenia
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Phase 4 Schizophrenia Trial, Recruiting

NCT05590637
Recruiting Phase 4

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

  • People who are patients seen in the neurology clinic at UT Health San Antonio
  • People who have been diagnosed with psychosis related to Parkinson's disease or Dementia with Lewy Bodies
  • People whose doctor has determined they need to start taking an antipsychotic medication
  • People whose prescribing doctor considers both quetiapine and pimavanserin to be reasonable treatment options (meaning there is no clear reason to prefer one over the other)
  • People whose prescribing doctor is comfortable managing treatment with either quetiapine or pimavanserin

Who may not be able to join:

  • People who have a medical reason why either of the two medications in the trial would be unsafe for them
  • People who do not have a caregiver available to complete a short questionnaire about symptoms (called the NPI-Q)
  • People who are currently taking an antipsychotic medication
  • People whose prescribing doctor is not willing to manage treatment with one or both of the medications in the trial

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 26 July 2026
Phase 4 trials study a drug that has already been approved, monitoring long-term safety and effectiveness in real-world use.

Contact this trial

Principal Investigator: Sarah Horn, MD, The University of Texas Health Science Center at San Antonio

Phone: 210-450-8830

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

Print a one-page summary to share with your doctor.

Trial details

Status
Recruiting
Phase
Phase 4
Sponsor
The University of Texas Health Science Center at San Antonio
Registry
ClinicalTrials.gov
Start date
22 April 2022
Est. completion
1 August 2026

Where this trial is recruiting

🇺🇸 United States

Primary endpoints

Neuropsychiatry Inventory Questionnaire (NPI-Q), Hallucinations + Delusions (H+D)

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 26 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov