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The Pharmacokinetic Interaction Between Oral Casopitant and Oral Dolasetron, Granisetron or Rosiglitazone in Subjects

Information source: GlaxoSmithKline
Information obtained from ClinicalTrials.gov on June 20, 2008
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Postoperative Nausea and Vomiting; Chemotherapy-Induced Nausea and Vomiting

Intervention: casopitant (Drug)

Phase: Phase 1

Status: Completed

Sponsored by: GlaxoSmithKline

Official(s) and/or principal investigator(s):
GSK Clinical Trials, MD, Ph.D, Study Chair, Affiliation: GlaxoSmithKline

Summary

This A Three-Part Drug-Drug Interaction Study To Evaluate Effects of Casopitant On Dolasetron, Granisetron or Rosiglitazone When Co-Administered in Healthy Adults

Clinical Details

Official title: An Open-Label, Three-Part, Two Period, Single Sequence Study to Assess the Pharmacokinetic Interaction Between Repeat Doses of Oral Casopitant and Repeat Oral Doses of Dolasetron, Granisetron or Rosiglitazone When Co-Administered in Healthy Adult Subjects

Study design: Treatment, Non-Randomized, Open Label, Uncontrolled, Single Group Assignment, Pharmacokinetics Study

Primary outcome: Change of AUC and Cmax of dolasetron, granisetron and rosiglitazone after oral administration alone and co-administered with oral casopitant

Secondary outcome: Safety evaluations of AEs and changes in laboratory values, ECGs, vitals evaluated during the study

Eligibility

Minimum age: 18 Years. Maximum age: 64 Years. Gender(s): Both.

Criteria:

Inclusion Criteria:

- An adult healthy male or female.

- Age: 18 to 64 years, inclusive.

- Body mass index (BMI) = 19 to = 37 kg/m2.

- A female if she is of Non-childbearing potential, OR

- A female who has a negative serum pregnancy test within 14 days prior to the first

dose of study medication and agrees to use adequate contraception during the study and for 14 days after the last dose of study medication.

- Adequate organ systems function [Hemoglobin is within normal limits ± 10%; Platelets

is = 100 X 109/L or = lower limit of normal (LLN); Aspartate aminotransaminase = Upper limit of normal (ULN); Total bilirubin = 1. 2 times ULN; Creatine phosphokinase < 1. 5 times ULN; Renal Calculated creatinine clearance = 50 mL/min]

- Able to swallow and retain oral medication.

- Able to understand and comply with the requirements, instruction and restrictions

stated in the informed consent.

- Signed and dated informed consent.

Exclusion Criteria:

- Clinically relevant abnormality, including any degree of heart failure or clinically

significant cardiac disease, identified on the screening exam or any other medical condition or circumstance making the subject unsuitable for participation in the study.

- For Part A (dolasetron-casopitant drug-drug interaction), any subject who exhibits

gene duplication for CYP2D6.

- History of drug or other allergy which, in the opinion of the Investigator,

contraindicates participation.

- Known immediate hypersensitivity reaction or idiosyncrasy to study drugs or any drug

chemically related to the study medications.

- Use of an investigational drug within 28 days or 5 half-lives, whichever is longer,

preceding the first dose of study medication(s).

- Blood donation in excess of 500 mL within 56 days prior to dosing or intends to donate

within 30 days of the post-treatment follow-up visit.

- Presence of or suspected iron deficiency.

- Stool positive for occult blood.

- Troponin I level above 10% of the coefficient of variation of the assay.

- For female subjects of childbearing potential, a positive serum pregnancy test.

- Female subject who is lactating.

- Positive urine drug screen (UDS) including alcohol.

- Positive for HIV antibody, hepatitis C antibody or hepatitis B surface antigen

(HBsAg).

- Positive urinary cotinine.

- Smoking history of = 4 packs per day/year or smoked more than 2 times within the past

30 days prior to screening.

- History of drug abuse or dependence within 6 months of screening.

- History of alcohol abuse within 6 months of screening or alcohol consumption in the

past 6 months exceeding 7 drinks/week for women and 14 drinks/week for men (where 1 drink = 5 ounces of wine or 12 ounces of beer or 1. 5 ounces of hard liquor).

- Presence of an active infection.

- Corrected QT interval (QTc) > 450 msecs.

- Pepsinogen level below the lower limit of laboratory reference range (LLRR).

- Active peptic ulcer disease (PUD) or a history of PUD of unknown etiology.

- Use of any prescription or non-prescription drug(s), including oral contraceptives,

herbal or dietary supplements or vitamins within 14 days, or 5 half-lives (whichever is longer) prior to the first dose of study medication.

- Consumption of food or drink containing grapefruit or grapefruit juice, apple juice,

Seville oranges, kumquats, pomelos, star fruit, red wine, charbroiled meats, cabbage or vegetables from the mustard green family (e. g., kale, broccoli, watercress, collard greens, kohlrabi, brussels sprouts, mustard) within 7 days prior to the first dose of study medication(s).

- History of cholecystectomy or biliary tract disease.

- Any serious or unstable pre-existing medical, psychiatric, or other conditions that

could interfere with subject's safety, obtaining informed consent or compliance to the study.

Locations and Contacts

GSK Clinical Trials Call Center, Evansville, Indiana 47714, United States
Additional Information

Starting date: July 2007
Ending date: September 2007
Last updated: June 5, 2008

Page last updated: June 20, 2008

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