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PharmacoKINEtics of TAMoxifen and its metabolites in breast cancer patients: the influence of a dose increase in phenotypic poor metabolizers of CYP2D6 (KINETAM)

Completed
Conditions
breast cancer
mamma carcinoma
10006232
Registration Number
NL-OMON34869
Lead Sponsor
niversitair Medisch Centrum Sint Radboud
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Completed
Sex
Not specified
Target Recruitment
150
Inclusion Criteria

1.Subject is at least 18 years at screening
2. Subject is able and willing to sign the Informed Consent Form prior to screening evaluations.
3. Subject is a female patient with (a history of) breast cancer; has been treated with tamoxifen 20mg QD for at least 4 weeks and is expected to be treated for at least another 4 weeks.

Exclusion Criteria

1. Inability to understand the nature and extent of the trial and the procedures required.
2. Participation in a drug trial within 60 days prior to the first dose.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
<p>Cmin plasma concentrations of tamoxifen and its metabolites after 4 weeks of<br /><br>dosing with 40mg QD tamoxifen (compared to baseline: 20mg QD tamoxifen).</p><br>
Secondary Outcome Measures
NameTimeMethod
<p>Influence of CYP2D6 inhibitors/polymorphism on pharmacokinetics of tamoxifen<br /><br>and metabolites in breast cancer patients.</p><br>
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