CP-690,550 And Oral Contraception Drug-Drug Interaction Study

August 5, 2010 updated by: Pfizer

A Phase 1, Randomized, Open Label, 2-Way Crossover Study To Assess The Effect Of Multiple Dose CP-690,550 On The Pharmacokinetics Of Single Dose Oral Contraceptive Steroids In Healthy Female Subjects

This study is designed to assess whether co-administration of CP-690,550 and oral contraceptives will effect the metabolism of the oral contraceptives in healthy volunteers.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

20

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Belgium
      • Bruxelles, Belgium, B-1070
        • Pfizer Investigational Site

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 55 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

Inclusion Criteria:

  • Healthy female subjects
  • No evidence of active or latent or inadequately treated infection with Mycobacterium tuberculosis

Exclusion Criteria:

  • Any medical reason which would contraindicate the administration of oral contraceptives
  • Clinically significant infections within the past 3 months or history of febrile illness within 5 days
  • Positive screening test for Hepatitis B surface antigen, anti Hepatitis C antibody, or human immunodeficiency virus
  • Pregnant or nursing women, and women of childbearing potential who are unwilling or unable to use an acceptable method of nonhormonal contraception

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Treatment Sequence 1
Drug: ethinyloestradiol (EE) and levonorgestrel (LN), CP-690,550 + ethinyloestradiol (EE) and levonorgestrel (LN)
Period 1: 30 mcg ethinyloestradiol and 150 mcg levonorgestrel alone Period 2: 30 mcg ethinyloestradiol and 150 mcg levonorgestrel plus 30 mg CP-690,550 after 9 days of CP-690,550 at 30 mg BID
Experimental: Treatment Sequence 2
Drug: CP-690,550 + ethinyloestradiol (EE) and levonorgestrel (LN), ethinyloestradiol (EE) and levonorgestrel (LN)
Period 1: 30 mcg ethinyloestradiol and 150 mcg levonorgestrel plus 30 mg CP-690,550 after 9 days of CP-690,550 at 30 mg BID Period 2: 30 mcg ethinyloestradiol and 150 mcg levonorgestrel alone

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
AUCinf of ethinyloestradiol (EE) and levonorgestrel (LN)
Time Frame: 12 days
12 days

Secondary Outcome Measures

Outcome Measure
Time Frame
AUClast, Cmax, Tmax, and t½ of ethinyloestradiol (EE) and levonorgestrel (LN)
Time Frame: 12 days
12 days
Number of adverse events and number of participants with adverse events
Time Frame: 12 days
12 days
Changes in complete blood count and serum chemistry profile
Time Frame: 12 days
12 days
Changes in vital signs
Time Frame: 12 days
12 days

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Pfizer

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

June 1, 2010

Primary Completion (Actual)

July 1, 2010

Study Completion (Actual)

July 1, 2010

Study Registration Dates

First Submitted

May 14, 2010

First Submitted That Met QC Criteria

June 3, 2010

First Posted (Estimate)

June 4, 2010

Study Record Updates

Last Update Posted (Estimate)

August 6, 2010

Last Update Submitted That Met QC Criteria

August 5, 2010

Last Verified

August 1, 2010

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • A3921071

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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