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OpenTrials
Completed

NCT Number: NCT00533026

Duloxetine - Warfarin Pharmacodynamic Study

To evaluate the blood clotting effects of multiple doses of warfarin at steady state when taken at the same time as multiple doses of duloxetine as measured by changes in the International Normalised Ratio. All subjects will begin dosing with warfarin, then after approximately 12 days, duloxetine 60 mg is added and subjects with stabilized INR will either continue dosing at 60 mg or have a dose increase to 120 mg.

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Key information

Age range

18 year–64 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559), Mon - Fri, 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST) or speak with your personal physician

Leeds, West Yorkshire, United Kingdom

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Healthy men or women between ages 18 and 64 years.

Exclusion criteria

Have a personal history, family history of, or current evidence of: a bleeding disorder, have Positive Faecal Occult Blood (FOB) sample at screening, significant neuropsychiatric disease (including a history of suicide attempts or who have exhibited suicidal ideation or who are at significant risk to commit suicide, as judged by the investigator), significant active respiratory, hepatic, renal, gastrointestinal, endocrine, hematological, or neurological disorders.

Use or intended use of aspirin or NSAIDs within 2 weeks prior to first dosing.

Subjects who have an average weekly alcohol intake that exceeds 28 units per week (males) and 21 units per week (females). Subjects who smoke more than 5 cigarettes per day.

Use or intended us of a drug that inhibits or induces CYP1A2 or inhibits CYP2D6 within 2 weeks prior to first dosing occasion or during the study.

Have received any drug that acts as a monoamine oxidase inhibitor (MAOI) within 2 weeks prior to first dosing occasion or have a potential need to use an MAOI during the conduct of this study or within 2 weeks after discontinuation of study drug.

Treatment and study plan

Duloxetine

Drug

Other names: LY248686, Cymbalta

Warfarin

Drug

Primary outcomes

  1. International Normalized Ratio (INR)

    Time frame: 58 days

Secondary outcomes

  1. Effect of duloxetine on pharmacokinetics of warfarin.

    Time frame: 58 days

  2. Safety/ tolerability of duloxetine and warfarin given in combination.

    Time frame: 58 days

  3. Bleeding times when duloxetine and warfarin are given in combination.

    Time frame: 58 days

Sponsors and collaborators

Lead sponsor

Eli Lilly and Company

Industry

Registry information

Official study title

Evaluation of the Effect of Duloxetine on the Pharmacodynamics of Warfarin at Steady-State in Healthy Subjects

Important dates

Study start
2007
Primary completion
2007
Study completion
2007
First posted
Sep 21, 2007
Registry last updated
Oct 2, 2008

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.