跳至主要内容
临床试验/NCT01174004
NCT01174004已完成3 期

A Multi-Center, Placebo-Controlled, Double-Blind Trial to Examine the Safety and Efficacy of Pimavanserin in the Treatment of Psychosis in Parkinson's Disease

ACADIA Pharmaceuticals Inc.0 个研究点目标入组 199 人开始时间: 2010年7月最近更新:
适应症
干预措施
相关药物

试验速览

阶段
3 期
状态
已完成
入组人数
199
主要终点
Antipsychotic Efficacy

研究概览

简要总结

The purpose of this study is to evaluate the safety and efficacy of 40 mg pimavanserin compared to placebo in patients with Parkinson's disease psychosis (PDP).

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Parallel
主要目的
Treatment
盲法
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

入排标准

年龄范围
40 Years 至 —(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • A clinical diagnosis of Parkinson's disease with a minimum duration of 1 year
  • Presence of visual and/or auditory hallucinations, and/or delusions, occurring during the four weeks prior to study screening
  • Psychotic symptoms must have developed after Parkinson's disease diagnosis was established
  • Subjects that are on anti-Parkinson's medication must be on a stable dose for 1 month prior to Study Day 1 (Baseline) and during the trial
  • Subject that has received stereotaxic surgery for subthalamic nucleus deep brain stimulation must be at least 6 months post surgery and the stimulator settings must have been stable for at least 1 month prior to Study Day 1 (Baseline) and must remain stable during the trial
  • The subject is willing and able to provide consent
  • Caregiver is willing and able to accompany the subject to all visits
  • Subject and caregiver are willing and able to adequately communicate in English for the purposes of the primary assessment

排除标准

  • Subject has a history of significant psychotic disorders prior to or concomitantly with the diagnosis of Parkinson's disease including, but not limited to, schizophrenia or bipolar disorder
  • Subject has received previous ablative stereotaxic surgery (i.e., pallidotomy and thalamotomy) to treat Parkinson's disease
  • Subject has current evidence of a serious and or unstable cardiovascular, respiratory, gastrointestinal, renal, hematologic or other medical disorder
  • Subject has had a myocardial infarction in last six months
  • Subject has any surgery planned during the screening, treatment or follow-up periods
  • Patients will be evaluated at screening to ensure that all criteria for study participation are met. These evaluations will include specific measures of psychosis severity, delirium, dementia, cardiovascular condition, and pregnancy status. Patients may be excluded from the study based on these assessments (and specifically if it is determined that their baseline health and psychiatric condition do not meet all protocol-specified entry criteria).

研究组 & 干预措施

1

Experimental

pimavanserin tartrate, 40 mg, tablet, once daily by mouth for 6 weeks

干预措施: pimavanserin tartrate (Drug)

2

Placebo Comparator

placebo, tablet, once daily by mouth for 6 weeks

干预措施: placebo (Drug)

结局指标

主要结局

Antipsychotic Efficacy

时间窗: Each study visit (i.e. Days 1, 15, 29 and 43)

Antipsychotic Efficacy was defined as a decrease in the severity and/or frequency of hallucinations and/or delusions. This is measured as the change from baseline (Day 1) to Day 43 in the Scale for the Assessment of Positive Symptoms 9-item sum score for Parkinson's Disease (SAPS-PD). The possible total score is 0 to 45 and a negative change in score indicates improvement. Analysis Method: Mixed Model Repeated Measures (MMRM)

次要结局

  • Motor Symptoms Change From Baseline (Negative = Improvement)(Study Days 1 and 43)

研究者

申办方类型
Industry
责任方
Sponsor

相似试验

A Study of the Safety and Efficacy of Pimavanserin... | 临床试验