Actively Recruiting

Phase 4
All Genders
NCT05590637

Comparing Antipsychotic Medications in LBD Over Time

Led by The University of Texas Health Science Center at San Antonio · Updated on 2025-09-09

94

Participants Needed

2

Research Sites

249 weeks

Total Duration

On this page

Sponsors

T

The University of Texas Health Science Center at San Antonio

Lead Sponsor

A

Alzheimer's Association

Collaborating Sponsor

AI-Summary

What this Trial Is About

The primary objective of this study is to determine whether treatment with pimavanserin or quetiapine is associated with a greater improvement in psychosis when used in a routine clinical setting to treat hallucinations and/or delusions due to Parkinson's disease (PD) or dementia with Lewy bodies (DLB) - collectively referred to as Lewy body disease (LBD).

CONDITIONS

Official Title

Comparing Antipsychotic Medications in LBD Over Time

Who Can Participate

All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Patients seen in the neurology clinic at UT Health San Antonio
  • Diagnosed with psychosis due to Parkinson's disease or dementia with Lewy bodies
  • Requiring initiation of an antipsychotic medication
  • Clinical equipoise between quetiapine and pimavanserin must exist
  • The prescribing provider must be comfortable prescribing and managing both quetiapine and pimavanserin
Not Eligible

You will not qualify if you...

  • Medical contraindication to either medication
  • Caregiver unavailable to complete Neuropsychiatry Inventory Questionnaire
  • Currently taking an antipsychotic medication
  • Prescribing provider unwilling to manage either medication

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 2 locations

1

University Health System

San Antonio, Texas, United States, 78229

Actively Recruiting

2

UT Health Science Center - San Antonio

San Antonio, Texas, United States, 78229

Actively Recruiting

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Research Team

C

Carolyn Paiz, BS

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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