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Finasteride 5 mg Tablets Under Fasting Conditions

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00835666
First Posted: February 4, 2009
Last Update Posted: September 11, 2009
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
Teva Pharmaceuticals USA
  Purpose
The objective of this study is to compare the relative bioavailability of finasteride 5 mg tablets (manufactured and distributed by TEVA Pharmaceuticals USA) with that of PROSCAR® 5 mg tablets (Merck) in healthy, adult, non-smoking, male subjects under fasting conditions.

Condition Intervention Phase
Healthy Drug: Finasteride 5 mg tablets Drug: PROSCAR® Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: None (Open Label)
Official Title: A Relative Bioavailability Study of Finasteride 5 mg Tablets Under Fasting Conditions

Resource links provided by NLM:


Further study details as provided by Teva Pharmaceuticals USA:

Primary Outcome Measures:
  • Cmax - Maximum Observed Concentration [ Time Frame: Blood samples collected over 36 hour period ]
  • AUCinf - Area Under the Concentration-time Curve From Time Zero to Infinity (Extrapolated) [ Time Frame: Blood samples collected over 36 hour period ]
  • AUC0-t - Area Under the Concentration-time Curve From Time Zero to Time of Last Non-zero Concentration (Per Participant) [ Time Frame: Blood samples collected over 36 hour period ]

Enrollment: 32
Study Start Date: June 2002
Study Completion Date: June 2002
Primary Completion Date: June 2002 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Finasteride
Finasteride 5 mg Tablet (test) dosed in first period followed by Proscar® 5 mg Tablet (reference) dosed in second period
Drug: Finasteride 5 mg tablets
1 x 5 mg, single dose fasting
Active Comparator: Proscar®
Proscar® 5 mg Tablet (reference) dosed in first period followed by Finasteride 5 mg Tablet (test) dosed in second period
Drug: PROSCAR®
1 x 5 mg, single dose fasting

Detailed Description:

Criteria for Evaluation: FDA Bioequivalence Criteria

Statistical Methods: FDA bioequivalence statistical methods

  Eligibility

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • All subjects selected for this study will be male non-smokers at least 18 years of age. Subjects will have a BMI (body mass index) of 30 or less.
  • Each subject shall be given a general physical examination within 28 days of initiation of the study. Such examination includes, but is not limited to, blood pressure, general observations, and history.

Adequate blood and urine samples should be obtained within 28 days before beginning of the first period and at the end of the trial for clinical laboratory measurements.

Clinical laboratory measurements will include the following:

  • Hematology: hemoglobin, hematocrit, red blood cell count, platelet count, white blood cell count (with differential).
  • Clinical Chemistry: creatinine, BUN, glucose, SGOT/AST, SGPT/ALT, bilirubin, and alkaline phosphatase.
  • Urine Analysis: pH, specific gravity, protein, glucose, ketones, bilirubin, occult blood, and cells.
  • HIV Screen: pre-study
  • Hepatitis B, C Screen: pre-study
  • Drugs of Abuse Screen: pre-study and at each check-in Subjects will be selected if all above are normal. Electrocardiograms of all participating subjects will be recorded before initiation of the study and filed with each subject's case report forms.

Exclusion Criteria:

  • Subjects with a history of chronic alcohol consumption (during past 2 years), drug addiction, or serious gastrointestinal, renal, hepatic or cardiovascular disease, tuberculosis, epilepsy, asthma (during past 5 years), diabetes, psychosis or glaucoma will not be eligible for this study.
  • Subjects whose clinical laboratory test values are greater than 20% outside the normal range on retesting, the subject will not be significant.
  • Subjects who have a history of allergic responses to the class of drug being tested should be excluded from the study.
  • All subjects will have urine samples assayed for the presence of drugs of abuse as part of the clinical laboratory screening procedures and at each study period check-in. subjects found to have urin concentrations of any of the tested drugs will not be allowed to participate.
  • Subjects should not have donated blood and/or plasma for at least thirty (30) days prior to the first dosing of the study.
  • Subjects who have taken any investigational drug within thirty (30) days prior to the first dosing of the study will not be allowed to participate.
  • Subjects who do not tolerate venipuncture will not be allowed to participate.
  • Subjects who use tobacco in any form will not be eligible to participate in the study. Three months abstinence is require.
  • Females will not be eligible to participate in the study.
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00835666


Locations
United States, Texas
Novum Pharmaceutical Research Services
Houston, Texas, United States, 77042
Sponsors and Collaborators
Teva Pharmaceuticals USA
Investigators
Principal Investigator: So Ran Hong, M.D. Novum Pharmaceutical Research Services
  More Information

ClinicalTrials.gov Identifier: NCT00835666     History of Changes
Other Study ID Numbers: B026535
First Submitted: February 3, 2009
First Posted: February 4, 2009
Results First Submitted: June 22, 2009
Results First Posted: August 4, 2009
Last Update Posted: September 11, 2009
Last Verified: September 2009

Keywords provided by Teva Pharmaceuticals USA:
Bioequivalence
Healthy Subjects

Additional relevant MeSH terms:
Finasteride
5-alpha Reductase Inhibitors
Steroid Synthesis Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Hormone Antagonists
Hormones, Hormone Substitutes, and Hormone Antagonists
Physiological Effects of Drugs
Urological Agents


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