Clinical trial NCT01027117: A Relative Bioavailability Study of Revatio for the Crushed Tablets, Extemporaneously Prepared Formulation, and the Intact Tablets at 20 mg Dose in Healthy Volunteers
Official title: A Randomised, Open-Label 3-Way Crossover Study To Investigate The Relative Bioavailability Of The Crushed Revatio 20 Mg Tablet Mixed With Apple Sauce, The Extemporaneously Prepared Suspension (EP), And The Intact Revatio 20 Mg Tablet In Healthy Volunteers Under Fasting Conditions
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: PHASE1
Conditions: Healthy
Keywords: Bioavailability
Revatio
Healthy Volunteers
Lead sponsor: Pfizer
Sponsor class: INDUSTRY
First posted: 2009-12-07
Enrollment: 18
Sex: ALL
Minimum age (years): 18
Maximum age (years): 55
Standard ages: ADULT
Accepts healthy volunteers: yes
Allocation: RANDOMIZED
Intervention model: CROSSOVER
Primary purpose: OTHER

Brief summary: This will be a randomized, open-label, 3-treatment, 3-period, crossover, single-dose study in healthy subjects. Eighteen (18) subjects will complete the study; dropouts may be replaced at the discretion of the sponsor. Three treatments are:

Treatment A: Revatio 20 mg intact tablet. Treatment B: Revatio 20 mg crushed tablet mixed with apple sauce. Treatment C: Revatio 20 mg extemporaneously prepared suspension (EP). Blood samples for the analysis of sildenafil in plasma will be obtained pre-dose and up to 14 hours post dose in each period. Tolerability and safety will be assessed by reported adverse events during each study period.


Eligibility criteria: Inclusion Criteria:

* Healthy male/female subjects between the ages of 18 and 55 years, inclusive. Healthy is defined as no clinically relevant abnormalities identified by a detailed medical history, full physical examination, including blood pressure and pulse rate measurement, 12-lead ECG and clinical laboratory tests.
* 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 or a legally acceptable representative.
* Subjects who are willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures

Exclusion Criteria:

* Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, ocular or allergic (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at time of dosing) disease or clinical findings at Screening.
* History of febrile illness within 5 days prior to the first dose.
* Any condition possibly affecting drug absorption (eg, gastrectomy).
* A positive urine drug screen.

Primary outcomes:
measure: AUClast
timeFrame: Within 14 hours post dose
measure: Cmax
timeFrame: Within 14 hours post dose
Secondary outcomes:
measure: T1/2
timeFrame: Within 14 hours post dose
measure: AUCinf
timeFrame: Within 14 hours post dose
measure: Tmax
timeFrame: Within 14 hours post dose
Other outcomes:
Locations:
city: Bruxelles
country: Belgium
facility: Pfizer Investigational Site
Study officials:
affiliation: Pfizer
name: Pfizer CT.gov Call Center
role: STUDY_DIRECTOR
References: