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Completed

NCT Number: NCT00952653

Study Evaluating the Effect of Desvenlafaxine on the Pharmacokinetics of Midazolam

The main purpose of this study is to evaluate the effect of desvenlafaxine administered as DVS SR on the pharmacokinetics of midazolam in healthy male and female subjects. The amount of drug in the body and the effect of the drug will also be evaluated.

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Key information

Conditions

Major Depressive Disorder Behavior Behavioral Symptoms Depression Depressive Disorder Depressive Disorder, Major Mental Disorders Mood Disorders

Age range

18 year–55 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 4

Primary location

Pfizer Investigational Site

New Haven, Connecticut, 06511, United States

Who can participate

Healthy volunteers accepted: Yes

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

Inclusion criteria

  • Men or non-pregnant, non-lactating women, 18 to 55 years of age inclusive at screening.
  • Healthy as determined by the investigator on the basis of medical history, physical examination, clinical laboratory test results, vital signs, and 12-lead electrocardiogram (ECG).
  • Nonsmoker or smoker of fewer than 10 cigarettes per day as determined by history.
  • Body Mass Index (BMI) of 17.5 to 30.5 kg/m2; and a total body weight >50 kg (110 Ilbs).

Exclusion criteria

  • Presence or history of any significant cardiovascular, hepatic, renal, respiratory, gastrointestinal, endocrine, immunologic, dermatologic, hematologic, neurologic, or psychiatric disease.
  • Presence or history of glaucoma or intraocular pressure.
  • Any surgical or medical condition that may interfere with the absorption, distribution, metabolism, or excretion of the investigational product.
  • Allergy to midazolam, other benzodiazepine, desvenlafaxine, or venlafaxine.
  • Acute disease state (eg, nausea, vomiting, fever, or diarrhea) with 7 days before study day 1.
  • Admitted alcohol abuse or history of alcohol use that may interfere with the subject's ability to comply with the protocol requirements. History of drug abuse within 1 year before study day 1.

Treatment and study plan

desvenlafaxine succinate sustained release

Drug

50 mg DVS SR tablet days 1-6, period 2 only.

midazolam

Drug

4 mg midazolam (2 mL midazolam syrup) day 1, period 1 and day 6, period 2.

Primary outcomes

  1. Midazolam Area Under the Plasma Concentration-time Profile From Time 0 Extrapolated to Infinite Time (AUCinf) Following Midazolam Alone and When Coadministered With DVS SR

    Time frame: Period 1 / Day 1 and Period 2 / Day 6: 0, 0.25, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12, 16, and 24 hours following dosing

    AUCinf measured as nanograms multiplied by hours divided by milliliters (ng*hr/mL).

  2. Midazolam Maximum Observed Plasma Concentration (Cmax) Following Midazolam Alone and When Coadministered With DVS SR

    Time frame: Period 1 / Day 1 and Period 2 / Day 6: 0, 0.25, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12, 16, and 24 hours following dosing

    Cmax measured as nanograms per milliliters (ng/mL).

  3. 1-Hydroxy-Midazolam (Analyte) Area Under the Plasma Concentration-time Profile From Time 0 Extrapolated to Infinite Time (AUCinf) Following Midazolam Alone and When Coadministered With DVS SR

    Time frame: Period 1 / Day 1 and Period 2 / Day 6: 0, 0.25, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12, 16, and 24 hours following dosing

    1-Hydroxy-Midazolam is an analyte of Midazolam.

  4. 1-Hydroxy-Midazolam (Analyte) Maximum Observed Plasma Concentration (Cmax) Following Midazolam Alone and When Coadministered With DVS SR

    Time frame: Period 1 / Day 1 and Period 2 / Day 6: 0, 0.25, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12, 16, and 24 hours following dosing

Secondary outcomes

  1. Midazolam Area Under the Plasma Concentration-time Profile From Time 0 to the Time of the Last Quantifiable Concentration (AUClast) Following Midazolam Alone and When Coadministered With DVS SR

    Time frame: Period 1 / Day 1 and Period 2 / Day 6: 0, 0.25, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12, 16, and 24 hours following dosing

  2. Midazolam Time to Cmax (Tmax) Following Midazolam Alone and When Coadministered With DVS SR

    Time frame: Period 1 / Day 1 and Period 2 / Day 6: 0, 0.25, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12, 16, and 24 hours following dosing

  3. Midazolam Terminal Half-life (t 1/2) Following Midazolam Alone and When Coadministered With DVS SR

    Time frame: Period 1 / Day 1 and Period 2 / Day 6: 0, 0.25, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12, 16, and 24 hours following dosing

  4. 1-Hydroxy-Midazolam (Analyte) Area Under the Plasma Concentration-time Profile From Time 0 to the Time of the Last Quantifiable Concentration (AUClast) Following Midazolam Alone and When Coadministered With DVS SR

    Time frame: Period 1 / Day 1 and Period 2 / Day 6: 0, 0.25, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12, 16, and 24 hours following dosing

  5. 1-Hydroxy-Midazolam (Analyte) Time to Cmax (Tmax) Following Midazolam Alone and When Coadministered With DVS SR

    Time frame: Period 1 / Day 1 and Period 2 / Day 6: 0, 0.25, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12, 16, and 24 hours following dosing

  6. 1-Hydroxy-Midazolam (Analyte) Terminal Half-life (t 1/2) Following Midazolam Alone and When Coadministered With DVS SR

    Time frame: Period 1 / Day 1 and Period 2 / Day 6: 0, 0.25, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12, 16, and 24 hours following dosing

Sponsors and collaborators

Lead sponsor

Pfizer

Industry

Registry information

Official study title

An Open-Label, Two-Period, Sequential Drug Interaction Study to Evaluate the Effect of Multiple Doses of Desvenlafaxine Succinate Sustained Release (DVS SR) on the Pharmacokinetics of Midazolam When Coadministered in Healthy Subjects

Important dates

Study start
2010
Primary completion
2010
Study completion
2010
First posted
Aug 6, 2009
Registry last updated
Aug 15, 2011

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.

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