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Pharmacogenomics of Paclitaxel in Ovarian Cancer

University of Southern Denmark (SDU) logo

University of Southern Denmark (SDU)

Status

Completed

Conditions

Ovarian Neoplasms
Fallopian Tube Neoplasms

Study type

Observational

Funder types

Other

Identifiers

NCT00415207
WRAMC WU# 04-23009

Details and patient eligibility

About

This study will try to determine whether or not certain genes are responsible for the huge variation in toxicity and effect observed between patients treated with paclitaxel (chemotherapeutic drug). Specifically we will study this retrospectively in patients who participated in clinical trials that are now closed. All patients had ovarian cancer and received paclitaxel/carboplatin chemotherapy after primary surgery.

Full description

Paclitaxel is an antineoplastic drug used in the treatment of ovarian cancer. The effect and toxicity is unpredictable in the individual patient. Paclitaxel is removed (eliminated) from the organism by oxidation. CYP2C8 is the enzyme mainly responsible. P-glycoprotein (Pgp) is an efflux transport protein natural to the human organism. Pgp is responsible for excretion of drugs via the bile and the kidneys and is thought to play a role in chemotherapy resistance. Paclitaxel is substrate for Pgp. Single nucleotide polymorphisms are possible causes for variation in both CYP2C8 and Pgp expression/function. We will study a possible role of these genetic variations as predictors of paclitaxel toxicity and effect and the possible implications for individual dosing in the future.

We will use tissue from patients who participated in one of two clinical trials that are both closed for inclusion. Genotypic data from this tissue will be correlated with toxicity and survival data drawn from a research database. We expect to be able to find >300 available cases to study.

Enrollment

300 estimated patients

Sex

Female

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria:

  • Patients enrolled in "TC/TEC" in Denmark, Sweden or Norway
  • Patients enrolled in "OVAR-9" in Denmark, Sweden or Norway

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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