Effect Of Ketoconazole On The Pharmacokinetics Of Tasocitinib (CP-690,550) In Healthy Volunteers

This study has been completed.
Information provided by:
ClinicalTrials.gov Identifier:
First received: September 13, 2010
Last updated: February 15, 2011
Last verified: February 2011

Estimate the effect of oral ketoconazole administration (400 mg once daily over 3 days) on the pharmacokinetics (process by which the drug is absorbed, distributed, metabolized, and eliminated by the body) of single 10 mg dose of tasocitinib (CP-690,550) in normal healthy volunteers.

Condition Intervention Phase
Drug: Tasocitinib (CP-690,55) plus Ketoconazole
Phase 1

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Endpoint Classification: Pharmacokinetics Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Basic Science
Official Title: A Phase 1, Open Label, Fixed-Sequence Study To Estimate The Effect Of Ketoconazole On The Pharmacokinetics Of Tasocitinib (CP-690,550) In Healthy Volunteers

Resource links provided by NLM:

Further study details as provided by Pfizer:

Primary Outcome Measures:
  • AUCinf of tasocitinib (CP-690,550) [ Time Frame: 5 days ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • AUClast, Cmax, and Tmax of tasocitinib (CP-690,550) [ Time Frame: 5 days ] [ Designated as safety issue: No ]
  • Safety: laboratory tests, AE reporting and vital signs [ Time Frame: 5 days ] [ Designated as safety issue: Yes ]

Enrollment: 12
Study Start Date: September 2010
Study Completion Date: September 2010
Primary Completion Date: September 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Tasocitinib (CP-690,550) plus Ketoconazole Drug: Tasocitinib (CP-690,55) plus Ketoconazole
Period 1, Day 1: tasocitinib (CP-690,550) as a single oral 10 mg dose given as two 5 mg tablets Period 2, Days 1-2: ketoconazole as a daily single oral 400 mg (dose given as two 200 mg tablets Period 2, Day 3: ketoconazole as a single oral 400 mg dose given as two 200 mg tablets PLUS tasocitinib (CP-690,550) as a single oral 10 mg oral dose given as two 5 mg tablets Period 2, Day 4: No treatment (discharge)


Ages Eligible for Study:   18 Years to 55 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Healthy male and/or female (non-childbearing potential) subjects between the ages of 18 and 55 years

Exclusion Criteria:

  • Clinically significant disease
  • Recent history of serious infection
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT01202240

Pfizer Investigational Site
Bruxelles, Belgium, B-1070
Sponsors and Collaborators
Study Director: Pfizer CT.gov Call Center Pfizer
  More Information

Additional Information:
No publications provided

Responsible Party: Director, Clinical Trial Disclosure Group, Pfizer, Inc.
ClinicalTrials.gov Identifier: NCT01202240     History of Changes
Other Study ID Numbers: A3921054
Study First Received: September 13, 2010
Last Updated: February 15, 2011
Health Authority: Belgium: Federal Agency for Medicinal Products and Health Products

Keywords provided by Pfizer:
Drug-Drug Interaction
Healthy Volunteers
Tasocitinib (CP-690

Additional relevant MeSH terms:
14-alpha Demethylase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Pharmacologic Actions
Antifungal Agents
Anti-Infective Agents
Therapeutic Uses

ClinicalTrials.gov processed this record on April 17, 2014