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Spots Global Cancer Trial Database for Improving Bio-availability of the Expensive Oral Oncolytic Drug Abiraterone by Food Intake

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Trial Identification

Brief Title: Improving Bio-availability of the Expensive Oral Oncolytic Drug Abiraterone by Food Intake

Official Title: Improving Bio-availability of the Expensive Oral Oncolytic Drug Abiraterone by Food Intake

Study ID: NCT02883166

Conditions

Prostate Cancer

Interventions

abiraterone

Study Description

Brief Summary: Abiraterone is a selective inhibitor of androgen biosynthesis that potently and irreversibly blocks CYP17, a crucial enzyme in testosterone and estrogen synthesis. A pro-drug of abiraterone, abiraterone acetate (Zytiga®), was developed to overcome its poor bio-availability and is fully converted to the active moiety abiraterone. Abiraterone acetate tablets are administered at a fixed oral dose of 1000mg QD in a fasted state in combination with 10mg prednisolon daily. Abiraterone acetate has a low solubility in aqueous media and a low permeability. The bioavailability of abiraterone acetate is significantly influenced when ingested with food. Ingesting abiraterone acetate with a low fat or a high fat meal resulted respectively in a 5- or 10-fold increase in AUC0-∞. The high and low fat FDA meals used in these food effect studies differ largely from breakfasts taken in everyday life (ca. 800-1000 cal). A continental breakfast contains 160 to 320 calories of which 25-50% is fat, is more compatible with a normal lifestyle and therefore easily sustainable in daily practice. However, the effect of a continental breakfast on the absorption of abiraterone is unknown yet. Furthermore, increasing healthcare costs are a growing concern in all developed countries. Therefore effort should be invested to keep anticancer treatment affordable. A food intervention resulting in a better absorption and enhanced exposure to abiraterone, can lead to a reduced dose, which could significantly impact health care costs for a tumor which is as prevalent as metastatic prostate cancer. Therefore the investigators want to perform a bioequivalent study to investigate what dose of abiraterone with a continental breakfast equals the dose of 1000mg taken in fasted conditions.

Detailed Description:

Keywords

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: MALE

Healthy Volunteers: No

Locations

Radboud UMC, Nijmegen, , Netherlands

Contact Details

Name: David Burger, PhD

Affiliation: Radboud University Medical Center

Role: STUDY_CHAIR

Useful links and downloads for this trial

Clinicaltrials.gov

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