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A Pilot Study to Evaluate the Influence of Garlic on the Pharmacokinetics of Docetaxel in Patients With Metastatic Breast Cancer


N/A
18 Years
N/A
Not Enrolling
Both
Breast Cancer

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Trial Information

A Pilot Study to Evaluate the Influence of Garlic on the Pharmacokinetics of Docetaxel in Patients With Metastatic Breast Cancer


OBJECTIVES:

Primary

- Determine the clinical pharmacokinetic behavior of docetaxel with and without garlic
tablets in patients with locally advanced or metastatic breast cancer.

- Determine the toxicity of this regimen in these patients.

Secondary

- Determine the incidence of enzyme and transporter polymorphism in patients treated with
this regimen.

OUTLINE: This is a pilot, open-label study.

Patients receive docetaxel IV over 60 minutes on days 1, 8, and 15. Treatment repeats every
28 days in the absence of disease progression or unacceptable toxicity. On days 5-17 of
course 1, patients receive oral garlic twice daily. Patients have the option of continuing
garlic tablets as long as they remain on study.

PROJECTED ACCRUAL: A total of 9-12 patients will be accrued for this study within 6 months.

Inclusion Criteria


DISEASE CHARACTERISTICS:

- Histologically confirmed adenocarcinoma of the breast

- Incurable, locally advanced or metastatic disease for which therapy with docetaxel is
a reasonable option

- No documentation of progressive disease while on docetaxel within the past 2 months

- Brain and/or leptomeningeal metastases are allowed only if all of the following
criteria are met:

- Asymptomatic on neurological examination, including after definitive
radiotherapy

- No corticosteroid therapy to control symptoms

- Stable lesions

- Hormone receptor status:

- Not specified

PATIENT CHARACTERISTICS:

Age

- 18 and over

Sex

- Male or female

Menopausal Status

- Not specified

Performance status

- ECOG 0-2

Life expectancy

- At least 12 weeks

Hematopoietic

- Neutrophil count ≥ 1,200/mm^3

- Platelet count ≥ 100,000/mm^3

Hepatic

- Bilirubin normal

- ALT and AST ≤ 2 times ULN (3 times ULN with liver metastases)

Renal

- Creatinine normal OR

- Creatinine clearance ≥ 60 mL/min

Cardiovascular

- No symptomatic congestive heart failure

- No unstable angina pectoris

- No cardiac arrhythmias

Gastrointestinal

- No known gastric emptying disorders

- No persistent diarrhea

Other

- No uncontrolled diabetes mellitus

- No active infection

- No prior grade 3 or 4 allergic reaction attributed to compounds of similar biological
composition to garlic, docetaxel, or Tween 80

- No other concurrent uncontrolled medical condition that would preclude study
participation

- No psychiatric illness or social situation that would preclude study compliance

- Not pregnant or nursing

- Negative pregnancy test

- Fertile patients must use effective barrier contraception

- Must be able to ingest oral medication

- Lactic dehydrogenase ≤ 2 times ULN

PRIOR CONCURRENT THERAPY:

Biologic therapy

- At least 3 weeks since prior immunotherapy

- No concurrent immunotherapy

- Trastuzumab (Herceptin®) allowed after the first course of therapy at the
discretion of the primary physician

- No concurrent pegfilgrastim

Chemotherapy

- See Disease Characteristics

- At least 3 weeks since prior chemotherapy (6 weeks for nitrosoureas or mitomycin)

- No other concurrent chemotherapy

Endocrine therapy

- See Disease Characteristics

- At least 2 weeks since prior hormonal therapy

- No concurrent hormonal therapy

- No concurrent megestrol during the first course of study treatment

Radiotherapy

- See Disease Characteristics

- At least 3 weeks since prior radiotherapy

- No concurrent radiotherapy

Surgery

- Not specified

Other

- More than 30 days (or 5 half-lives) since prior investigational therapy

- No concurrent aprepitant (Emend®)

- No concurrent or oral tetrahydrocannabinol (Marinol®) during the first course of
study treatment

- No concurrent combination antiretroviral therapy for HIV-positive patients

- No other concurrent investigational or anticancer medications

- No concurrent antiepileptic therapy

- No concurrent immunosuppressants

- No other concurrent herbal therapies during the first month of study participation

- No concurrent grapefruit juice during the first month of study participation

- No concurrent administration of the following:

- Alprazolam

- Cyclosporine

- Diltiazem

- Dofetilide

- Erythromycin

- Fluvoxamine

- Itraconazole

- Ketoconazole

- Quinine

- Hypericum perforatum (St. John's wort)

- Tacrolimus

- Theophylline

- Warfarin

- Zolpidem

Type of Study:

Interventional

Study Design:

Masking: Open Label, Primary Purpose: Treatment

Principal Investigator

Michael C. Cox, PharmD

Investigator Role:

Study Chair

Investigator Affiliation:

NCI - Medical Oncology Branch

Authority:

United States: Federal Government

Study ID:

CDR0000355083

NCT ID:

NCT00079170

Start Date:

January 2004

Completion Date:

October 2007

Related Keywords:

  • Breast Cancer
  • male breast cancer
  • recurrent breast cancer
  • stage IIIA breast cancer
  • stage IIIB breast cancer
  • stage IIIC breast cancer
  • stage IV breast cancer
  • Breast Neoplasms

Name

Location

Warren Grant Magnuson Clinical Center - NCI Clinical Studies SupportBethesda, Maryland  20892-1182