NCT01259882已完成1 期
A Double Blind (3rd Party Open) Randomized, Placebo Controlled, Crossover Dose Escalation Study To Investigate The Safety, Toleration, Pharmacokinetics And Exploratory Pharmacodynamics Of PF-05089771 In Healthy Volunteers
适应症
干预措施
相关药物
试验速览
- 阶段
- 1 期
- 状态
- 已完成
- 发起方
- Pfizer
- 入组人数
- 61
- 试验地点
- 1
- 主要终点
- Tmax = Time of maximum concentration of PF-05089771 in plasma (hr)
研究概览
简要总结
This is a two part study. The purpose of the first part is primarily to determine the safety and toleration and pharmacokinetics of PF-05089771 following single escalating doses. Secondary objectives will be to investigate the PK of an alternative formulation of PF-05089771 and the effect of food on the PK of PF-05089771. The second part of the study will focus on investigation of the exploratory pharmacodynamics of PF-05089771 using novel biomarkers in healthy volunteers. The doses selected in Part B will have been administered previously in Part A of the study.
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
- Double (Participant, Investigator)
入排标准
- 年龄范围
- 18 Years 至 55 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Healthy male subjects or female subjects of non-child bearing potential between the ages of 18 and 55 years, inclusive.
- •Body Mass Index (BMI) of 17.5 to 30.5 kg/m2; and a total body weight >50 kg (110 lbs).
- •An informed consent document signed and dated by the subject
- •Subjects who are willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures.
排除标准
- •Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, or allergic disease (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at time of dosing).
- •Any condition possibly affecting drug absorption (e.g., gastrectomy).
- •A positive urine drug screen.
- •History of regular alcohol consumption exceeding 21 drinks/week (1 drink = 5 ounces (150 mL) of wine or 12 ounces (360 mL) of beer or 1.5 ounces (45 mL) of hard liquor) within 6 months of screening.
- •Treatment with an investigational drug within 60 days (or as determined by the local requirement, whichever is longer) or 5 half-lives preceding the first dose of study medication.
- •12-lead ECG demonstrating QTc >450 msec at screening. If QTc exceeds 450 msec, the ECG should be repeated two more times and the average of the three QTc values should be used to determine the subject's eligibility.
- •Females of child bearing potential.
- •Use of prescription or non-prescription drugs and dietary supplements within 7 days or 5 half-lives (whichever is longer) prior to the first dose of study medication. Herbal supplements must be discontinued 28 days prior to the first dose of study medication. As an exception, acetaminophen/paracetamol may be used at doses of 1 g/day. Limited use of non-prescription medications that are not believed to affect subject safety or the overall results of the study may be permitted on a case-by-case basis following approval by the sponsor.
- •Blood donation of approximately 1 pint (500 mL) within 56 days prior to dosing. History of sensitivity to heparin or heparin-induced thrombocytopenia.
- •Unwilling or unable to comply with the Lifestyle guidelines described in this protocol.
- •Other severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with study participation or investigational product administration or may interfere with the interpretation of study results and, in the judgment of the investigator, would make the subject inappropriate for entry into this study.
研究组 & 干预措施
Cohort 1: Experimental intervention: PF-05089771 or placebo
Experimental
Cohort 1
干预措施: PF-05089771 (Drug)
Cohort 2: Experimental intervention: PF-05089771 or placebo
Experimental
Cohort 2
干预措施: PF-05089771 (Drug)
Cohort 3: Experimental intervention: PF-05089771 or placebo
Experimental
Cohort 3
干预措施: PF-05089771 (Drug)
Cohort 4: Experimental intervention: PF-05089771 or placebo
Experimental
Cohort 4
干预措施: PF-05089771 (Drug)
Cohort 5: Experimental intervention: PF-05089771 or placebo
Experimental
Cohort 5
干预措施: PF-05089771 (Drug)
Cohort 6: Experimental intervention: PF-05089771 or placebo
Experimental
Cohort 6
干预措施: PF-05089771 (Drug)
结局指标
主要结局
Tmax = Time of maximum concentration of PF-05089771 in plasma (hr)
时间窗: Days 1-3
MRT = Mean residence time of PF-05089771 in the body (hr)
时间窗: Days 1-3
Maximum concentration (Cmax) for PF-05089771 in plasma (measured in ng/mL)
时间窗: Days 1-3
Number of participants with adverse events as a measure of safety and tolerability of PF-05089771.
时间窗: Days 1-3
AUClast = Area under the curve from the time of dosing to the last data point taken (ng.hr/mL)
时间窗: Days 1-3
次要结局
- Heat Pain Perception Threshold (HPPT). Measured by applying a heat thermode to the thigh for 1 minute at 47oC. HPPT will be measured at 3 separate doses plus placebo in 12 healthy volunteers.(Hours 1-6 post dose.)
- Urine: Aet (amount excreted in urine), Aet% and CLr for selected doses dependent on the emerging pharmacokinetics of PF-05089771 where t = 24 hours.(Up to 24 hours)
- AUC24 = Area under the curve from the time of dosing to 24 hours post dose (ng.hr/mL)(Days 1-3)
- Odor threshold (Sniffin' Sticks). Measured with Sniffin Sticks. Will be measured at 3 separate doses plus placebo in 12 healthy volunteers(Hours 1-6 post dose.)
- CI/F = Clearance of PF-05089771 from plasma corrected for systemic compound availability (L/hr)(Days 1-3)
- Long Thermal Stimulation (LTS). Measured by applying a heat thermode to the thigh at 48oC for 5 seconds. will be measured at 3 separate doses plus placebo in 12 healthy volunteers(Hours 1-6 post dose.)
- AUCinf = Area under the curve from the time of dosing extrapolated to infinity (ng.hr/mL)(Days 1-3)
- t½ = Elimination half life of PF-05089771 (hr)(Days 1-3)
- C8 hour = concentration of PF-05089771 in the plasma 8 hours post dose (ng/mL)(Days 1-3)
研究者
研究点 (1)
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