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Test Uniformity of Transdermal Drug Delivery to Breast Using Diclofenac Epolamine

Early Phase 1
Completed
Conditions
Breast Cancer
Interventions
Registration Number
NCT01380353
Lead Sponsor
Northwestern University
Brief Summary

The purpose of this study is to look for ways to improve breast cancer treatment by giving breast cancer drugs through the skin of the breast.

The drug used in this study is a diclofenac epolamine patch and is a nonsteroid anti-inflammatory pain reliever. The drug amount that gathers in the breast, after application of a patch to the skin of the breast, will be measured and compared to the amount that is found in the breast when the patch is applied to the skin of the belly.

Detailed Description

This is a randomized study where participants in group 1 will apply the diclofenac epolamine patch to the breast and participants in group 2 will apply the same drug to her abdomen. Participants are instructed to apply a new patch every 12 hours for 3 days. Total participation in this study will be for three days, ending on the day of surgery. On the day of surgery, participants will have blood drawn to measure the level of diclofenac epolamine in the body, and the final patch will be removed.

Recruitment & Eligibility

Status
COMPLETED
Sex
Female
Target Recruitment
30
Inclusion Criteria
  • Women between the ages of 18 and 80 years, undergoing total mastectomy for, with or without axillary surgery for diagnosis or prevention of breast cancer.
  • ECOG performance status less than 2.
  • Ability to understand and the willingness to sign a written informed consent.
  • Participants must have normal organ and marrow function
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Exclusion Criteria
  • Prior history of ipsilateral breast radiotherapy.
  • Pregnant women and those who will be actively breast-feeding in the preoperative period will be excluded.
  • Inability to discontinue aspirin or warfarin use during the period of participation.
  • Known allergy to diclofenac epolamine, or aspirin, diclofenac (Cataflam, Voltaren), or another non-steroidal anti-inflammatory drug (NSAID).
  • Renal failure
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Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Breast GroupDiclofenac epolamine patchDiclofenac epolamine patch applied to the breast
Abdomen GroupDiclofenac epolamine patchDiclofenac epolamine patch applied to the abdomen
Primary Outcome Measures
NameTimeMethod
Compare concentrations of diclofenac epolamine patch when applied to breast vs. abdomenafter 3 days of treatment prior to surgery

The primary objective of this protocol will demonstrate that diclofenac epolamine patch applied to the skin of the breast for three days (1, 2) prior to surgery will result in significantly higher drug concentrations in the breast than the same dose applied to the abdominal skin for the same duration of time.

Secondary Outcome Measures
NameTimeMethod
Determine how the concentrations of the study patch is distributed in the breast.after three days of treatment prior to surgery

To establish that the diclofenac epolamine drug concentrations achieved in the breast have no significant fall-off with increasing distance from the site of application. Therefore, uniform therapeutic concentrations are achieved throughout the breast with a single site of local transdermal therapy (LTT).

Trial Locations

Locations (1)

Northwestern University

🇺🇸

Chicago, Illinois, United States

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