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Completed

NCT Number: NCT01247805

A Pivotal Bioequivalence Study Between The Sildenafil Powder For Oral Suspension (10 Mg/Ml) And The Sildenafil 10 Mg Immediate Release (IR) Tablet Relative To The Revatio 20 Mg IR Tablet In Healthy Volunteers Under Fasting Conditions

The hypothesis for the trial is that the Sildenafil Citrate Powder for Oral Suspension (10 Mg/ml) bioequivalent to the Revatio 20 Mg IR tablet in Healthy Volunteers and the Sildenafil Citrate 10 Mg immediate release (IR) tablet is bioequivalent to the Revatio 20 Mg IR tablet in Healthy Volunteers.

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Key information

Age range

18 year–55 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

Pfizer Investigational Site

Brussels, B-1070, Belgium

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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 all 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 the time of dosing) disease or clinical findings at Screening.
  • History of febrile illness within 5 days prior to the first dose.
  • A positive urine drug screen.

Treatment and study plan

sildenafil citrate

Drug

Single oral dose of 1 x 20 mg IR oral tablet.

Other names: Revatio

Primary outcomes

  1. Area under the curve (AUC0-T) of sildenafil plasma concentrations from time zero to the time T of last measurable concentration.

    Time frame: Pre-dose, 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 14 hours post dose

  2. Maximum sildenafil plasma concentration (Cmax)

    Time frame: Pre-dose, 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 14 hours post dose

Secondary outcomes

  1. AUCinf, AUC of sildenafil from time zero to time infinity. AUCinf = AUC0-T+AUCextrapolated

    Time frame: Pre-dose, 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 14 hours post dose

  2. AUC%extrapolated of sildenafil.

    Time frame: Pre-dose, 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 14 hours post dose

  3. Tmax - time at which maximum sildenafil plasma concentration occurs

    Time frame: Pre-dose, 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 14 hours post dose

  4. Adverse events

    Time frame: From FSFV to LSLV, up to 5 weeks

  5. terminal half-life of sildenafil.

    Time frame: Pre-dose, 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 14 hours post dose

Sponsors and collaborators

Lead sponsor

Pfizer's Upjohn has merged with Mylan to form Viatris Inc.

Industry

Registry information

Official study title

A Pivotal Randomised, Open-Label 3-Way Crossover Study To Demonstrate Bioequivalence Of The Sildenafil Citrate Powder For Oral Suspension (10 Mg/Ml) And The Sildenafil Citrate 10 Mg Immediate Release (IR) Tablet Relative To The Revatio 20 Mg IR Tablet In Healthy Volunteers Under Fasting Conditions

Important dates

Study start
2011
Primary completion
2011
Study completion
2011
First posted
Nov 24, 2010
Registry last updated
Feb 2, 2021

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.