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Clinical Trials/NL-OMON48342
NL-OMON48342
Completed
Phase 2

Study on the possible pharmacokinetic interaction between grean tea supplements and tamoxifen in patients with breast cancer. the TEA study - TEA study

Overview

Phase
Phase 2
Intervention
Not specified
Conditions
Not specified
Sponsor
Erasmus MC, Universitair Medisch Centrum Rotterdam
Enrollment
14
Status
Completed
Last Updated
2 years ago

Overview

Brief Summary

No summary available.

Registry
who.int
Start Date
TBD
End Date
TBD
Last Updated
2 years ago
Study Type
Interventional

Investigators

Eligibility Criteria

Inclusion Criteria

  • 1\. Age \* 18 years
  • 2\. Patients with a confirmed diagnosis of primary or advanced breast cancer,
  • who are on tamoxifen treatment for at least three months (steady state
  • concentration).
  • 3\. WHO performance \* 1
  • 4\. Able and willing to sign the informed consent form prior to screening
  • evaluations
  • 5\. Willing to abstain from strong CYP3A4, CYP2D6, CYP2C9/2C19, UGT and P\-gp
  • inhibitors or inducers, herbal or dietary supplements or other over\-the\-counter
  • medication besides paracetamol.

Exclusion Criteria

  • 1\. Patients with known impaired drug absorption (e.g. gastrectomy and
  • achlorhydria)
  • 2\. Patients with an active gastric ulcer
  • 3\. Known serious illness or medical unstable conditions that could interfere
  • with this study requiring treatment (e.g. HIV, hepatitis, Varicella zoster or
  • herpes zoster, organ transplants, kidney failure (GFR\<30 ml/min/1\.73 m2\),
  • serious liver disease (e.g. severe cirrhosis), cardiac and respiratory diseases)
  • 4\. A CYP2D6 poor metabolizer or ultra\-rapid metabolizer phenotype based on
  • CYP2D6 genotyping outcome

Outcomes

Primary Outcomes

Not specified

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