The Effect of Escitalopram on the Pharmacokinetics and Pharmacodynamics of Tramadol in Healthy Subjects

September 9, 2008 updated by: University of Southern Denmark

Escitalopram will be given to a panel of 16 healthy subject for 9 days. On the ninth day a single dose of tramadol is administered to the subjects and pharmacokinetic(PK) and pharmacodynamic(PD) measurements are done for the next 24 hours.

It is stated that escitalopram is only a weak inhibitor of CYP2D6 and therefore no effect is seen in Pk or PK of tramadol

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

15

Phase

  • Phase 4

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

  • Denmark
      • Odense, Denmark, DK-5000
        • Institute of Public Health, Clinical Pharmacology, University of Southern Denmark

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 45 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Healthy
  • Age: 18 - 45 years
  • CYP2D6 phenotyped as extensive metabolizer
  • CYP2C19 phenotyped as extensive metabolizer

Exclusion Criteria:

  • Alcohol or drug abuse

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: Triple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: A
Escitalopram - tramadol
Drug: escitalopram and tramadol
10 mg escitalopram for 3 days 20 mg escitalopram for 6 days 150 mg tramadol as a single dose on day 9
Other Names:
  • Lexapro
  • Ultram
Experimental: B
Placebo - tramadol
Drug: placebo and tramadol
9 days of placebo equivalent to 10 / 20 mg escitalopram, one single dose of 150 mg tramadol on day 9
Other Names:
  • placebo
  • Ultram
Experimental: C
placebo - placebo
Drug: placebo
placebo identical for 10 mg/ 20 mg escitalopram and 150 mg tramadol

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
AUC of (+)-M1 metabolite of tramadol
Time Frame: 24 hours
24 hours

Secondary Outcome Measures

Outcome Measure
Time Frame
Dynamic pupillometry
Time Frame: 24 hours
24 hours

Collaborators and Investigators

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

Sponsor

University of Southern Denmark

Collaborators

H. Lundbeck A/S

Investigators

  • Study Chair: Kim Brosen, MD, D.Sc, Institute of Public Healht, Clinical Pharmacology, University of Southern Denmark

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

February 1, 2008

Primary Completion (Actual)

August 1, 2008

Study Completion (Actual)

August 1, 2008

Study Registration Dates

First Submitted

June 3, 2008

First Submitted That Met QC Criteria

June 5, 2008

First Posted (Estimate)

June 6, 2008

Study Record Updates

Last Update Posted (Estimate)

September 10, 2008

Last Update Submitted That Met QC Criteria

September 9, 2008

Last Verified

September 1, 2008

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • AKF-372
  • EudraCT: 2007-004470-10

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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