NCT00902512

Brief Summary

the pharmacokinetics of sildenafil following single doses of sildenafil CT administered with and without water is similar relative to the conventional oral tablet of sildenafil administered with water.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
30

participants targeted

Target at below P25 for phase_4

Timeline
Completed

Started Apr 2009

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2009

Completed
Same day until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2009

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2009

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

May 13, 2009

Completed
2 days until next milestone

First Posted

Study publicly available on registry

May 15, 2009

Completed
Last Updated

February 1, 2021

Status Verified

January 1, 2021

Enrollment Period

Same day

First QC Date

May 13, 2009

Last Update Submit

January 28, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • AUC0-T and Cmax of sildenafil

    28 days

Secondary Outcomes (3)

  • AUC0-inf of sildenafil

    28 days

  • Tmax and half-life of sildenafil

    28 days

  • Adverse events and vital signs

    28 days

Study Arms (3)

Treatment A

ACTIVE COMPARATOR

Viagra® 100 mg tablet, administered with water

Drug: Treatment ADrug: Blood samples for the analysis of sildenafil in plasma

Treatment B

ACTIVE COMPARATOR

Sildenafil 100 mg CT administered with water

Drug: Treatment BOther: Blood samples for the analysis of sildenafil in plasma

Treatment C

ACTIVE COMPARATOR

Sildenafil 100 mg CT administered without water

Drug: Treatment COther: Blood samples for the analysis of sildenafil in plasma

Interventions

Viagra® 100 mg tablet, administered with water single dose

Treatment A

Blood samples for the analysis of sildenafil in plasma

Treatment A

Sildenafil 100 mg CT administered with water single dose

Treatment B

Sildenafil 100 mg CT administered without water single dose

Treatment C

Eligibility Criteria

Age18 Years - 40 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Only healthy male volunteers in the 18-40 age range will be included.
  • At the selection visit allowed normal range for vital signs will be: Blood pressure (with the subject sitting down) 90-130mm Hg systolic and 60-90
  • The volunteers' health condition will be determined from their complete clinical history by doctors at the clinical research site and lab test results by certified clinical laboratories mm Hg diastolic, heart rate 55-100 bpm , respiratory rate 14-20 respirations per minute.

You may not qualify if:

  • Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, or allergic (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at time of dosing) disease or clinical findings at Screening.
  • Treatment with a PDE-5 inhibitor within the 4 days preceding the first dose of study medication
  • History of hypersensitivity to sildenafil citrate or any components of its formulations

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Pfizer Investigational Site

Col. Arenal Tepepan, Mexico City, 14610, Mexico

Location

Related Links

MeSH Terms

Interventions

Blood Specimen Collection

Intervention Hierarchy (Ancestors)

Specimen HandlingClinical Laboratory TechniquesDiagnostic Techniques and ProceduresDiagnosisPuncturesSurgical Procedures, OperativeInvestigative Techniques

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
OTHER
Intervention Model
CROSSOVER
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 13, 2009

First Posted

May 15, 2009

Study Start

April 1, 2009

Primary Completion

April 1, 2009

Study Completion

April 1, 2009

Last Updated

February 1, 2021

Record last verified: 2021-01

Locations