Examination of Palonosetron and Hydroxyzine Pre-treatment as a Possible Method to Reduce the Objective Signs of Experimentally-induced Acute Opioid Withdrawal in Humans: a Double-blind, Randomized, Placebo-controlled Crossover Study
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 10
- 试验地点
- 1
- 主要终点
- OOWS Score
研究概览
简要总结
Opioid medications are commonly used for pain relief. When given over time, physical dependence can occur. This results in unpleasant side effects--such as agitation and nausea--if opioid medications are suddenly stopped. We are interested in knowing if a medication named Ondansetron can help ease or prevent symptoms associated with opioid withdrawal. We are also interested in knowing if a similar (but more potent FDA-approved drug, palonosetron) can more effectively treat withdrawal symptoms with or without combination with an antihistamine called hydroxyzine (vistaril).
详细描述
We hope to learn if Palonosetron and/or combination with hydroxyzine can be used to prevent or attenuate the signs and symptoms of opioid withdrawal. If we find that it can help prevent these symptoms, it may become a new treatment that can aid patients suffering from these symptoms.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Crossover
- 主要目的
- Treatment
- 盲法
- Triple (Participant, Care Provider, Outcomes Assessor)
入排标准
- 年龄范围
- 18 Years 至 35 Years（Adult）
- 性别
- Male
- 接受健康志愿者
- 是
入选标准
- •Healthy males
- •Ages 18-35
- •No allergies to morphine or palonosetron
- •No history of addiction or substance abuse
排除标准
- •Younger than 18 or older than 35
- •History of substance abuse
- •Raynaud's disease or coronary artery disease
- •Allergies to morphine or palonosetron
研究组 & 干预措施
Sequence 1: Placebo, Combo, Palonosetron
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Placebo
Week 2: Palonosetron + Hydroxyzine Combo
Week 3: Palonosetron
干预措施: Palonosetron (Drug)
Sequence 1: Placebo, Combo, Palonosetron
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Placebo
Week 2: Palonosetron + Hydroxyzine Combo
Week 3: Palonosetron
干预措施: Hydroxyzine (Drug)
Sequence 1: Placebo, Combo, Palonosetron
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Placebo
Week 2: Palonosetron + Hydroxyzine Combo
Week 3: Palonosetron
干预措施: Placebo (Other)
Sequence 2: Palonosetron, Combo, Placebo
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Palonosetron
Week 2: Palonosetron + Hydroxyzine Combo
Week 3: Placebo
干预措施: Palonosetron (Drug)
Sequence 2: Palonosetron, Combo, Placebo
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Palonosetron
Week 2: Palonosetron + Hydroxyzine Combo
Week 3: Placebo
干预措施: Hydroxyzine (Drug)
Sequence 2: Palonosetron, Combo, Placebo
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Palonosetron
Week 2: Palonosetron + Hydroxyzine Combo
Week 3: Placebo
干预措施: Placebo (Other)
Sequence 3: Combo, Placebo, Palonosetron
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Palonosetron + Hydroxyzine Combo
Week 2: Placebo
Week 3: Palonosetron
干预措施: Palonosetron (Drug)
Sequence 3: Combo, Placebo, Palonosetron
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Palonosetron + Hydroxyzine Combo
Week 2: Placebo
Week 3: Palonosetron
干预措施: Hydroxyzine (Drug)
Sequence 3: Combo, Placebo, Palonosetron
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Palonosetron + Hydroxyzine Combo
Week 2: Placebo
Week 3: Palonosetron
干预措施: Placebo (Other)
Sequence 4: Placebo, Palonosetron, Combo
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Placebo
Week 2: Palonosetron only
Week 3: Palonosetron + Hydroxyzine Combo
干预措施: Palonosetron (Drug)
Sequence 4: Placebo, Palonosetron, Combo
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Placebo
Week 2: Palonosetron only
Week 3: Palonosetron + Hydroxyzine Combo
干预措施: Hydroxyzine (Drug)
Sequence 4: Placebo, Palonosetron, Combo
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Placebo
Week 2: Palonosetron only
Week 3: Palonosetron + Hydroxyzine Combo
干预措施: Placebo (Other)
Sequence 5: Combo, Palonosetron, Placebo
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Palonosetron + Hydroxyzine Combo
Week 2: Palonosetron only
Week 3: Placebo
干预措施: Palonosetron (Drug)
Sequence 5: Combo, Palonosetron, Placebo
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Palonosetron + Hydroxyzine Combo
Week 2: Palonosetron only
Week 3: Placebo
干预措施: Hydroxyzine (Drug)
Sequence 5: Combo, Palonosetron, Placebo
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Palonosetron + Hydroxyzine Combo
Week 2: Palonosetron only
Week 3: Placebo
干预措施: Placebo (Other)
Sequence 6: Palonosetron, Placebo, Combo
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Palonosetron only
Week 2: Placebo
Week 3:Palonosetron + Hydroxyzine Combo
干预措施: Palonosetron (Drug)
Sequence 6: Palonosetron, Placebo, Combo
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Palonosetron only
Week 2: Placebo
Week 3:Palonosetron + Hydroxyzine Combo
干预措施: Hydroxyzine (Drug)
Sequence 6: Palonosetron, Placebo, Combo
At T = 0 (minutes), healthy (non-opioid dependent, non-substance abuser) male volunteers (N=10) were pre-treated with either placebo (0.9% normal saline), palonosetron IV (0.75mg), or palonosetron IV (0.75mg) and hydroxyzine per os (PO) (100mg) in a crossover study design. This was followed at T = 30 by intravenous morphine (10mg/70kg). At T = 165, 10mg/70kg naloxone IV was given to precipitate opioid withdrawal. The objective opioid withdrawal score (OOWS) and subjective opioid withdrawal score (SOWS) were determined 5 and 15 minutes after naloxone administration (T = 170, 180, respectively). Baseline measurements were recorded at T = -30 and T = -15.
Week 1: Palonosetron only
Week 2: Placebo
Week 3:Palonosetron + Hydroxyzine Combo
干预措施: Placebo (Other)
结局指标
主要结局
OOWS Score
时间窗: Change from baseline in OOWS score at 180 minutes (15 minutes post naloxone administration)
The OOWS is a 13-item instrument documenting physically observable signs of withdrawal, which are rated as present (1) or absent (0) during the observation period. Maximum score possible = 13, minimum score possible = 0. T=15 minutes post naloxone administration coordinates with T = 180 (min) for the entire study session. OOWS scores at T=180 is the primary outcome measure of the study compared with baseline OOWS scores at T=-30 (30 minutes prior to study medication administration). Reported time frames are in relation to time past since administration of study medications. Mean post-Naloxone OOWS scores (+/- SEM) were determined for pretreatment groups
次要结局
- SOWS Score(Change from baseline in SOWS score at 180 minutes (15 minutes post naloxone administration))
研究者
Larry Fu-nien Chu
Professor of Anesthesia
Stanford University