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Tamoxifen prediction study in patients with hormone positive breast cancer: the PREDICTAM study

Phase 1
Conditions
Hormone positive breast cancer
Therapeutic area: Diseases [C] - Cancer [C04]
Registration Number
EUCTR2022-002426-28-NL
Lead Sponsor
Erasmus MC Cancer Institute
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot Recruiting
Sex
Female
Target Recruitment
100
Inclusion Criteria

In order to be eligible to participate in this study, a subject must meet all of the following criteria:
1. Age = 18 years;
2. WHO Performance Status = 1
3. Patients with primary breast cancer, with a prescription for adjuvant tamoxifen treatment.
4. Willing to abstain from strong and moderate CYP3A4 or CYP2D6 inhibitors or inducers, according to: CYTOCHROME P450 DRUG INTERACTION TABLE - Drug Interactions (iu.edu);
5. Able and willing to sign the Informed Consent Form;
6. Able and willing to undergo blood sampling for PK analysis.
Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range 50
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range 50

Exclusion Criteria

A potential subject who meets any of the following criteria will be excluded from participation in this study:
1. Patients with known alcoholism, drug addiction and/or psychiatric or physiological condition which in the opinion of the investigator would impair treatment compliance;
2. > 2 weeks of tamoxifen treatment before inclusion
3. Patients who’s endoxifen levels have been used for therapeutic drug monitoring in the past.
4.Evidence of a neurological disorder which might affect cognitive functioning (only for cognition scan part)

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
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