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Clinical Trial Summary

Aromatase inhibitors (AIs) are commonly used for post-menopausal women with hormone-positive breast cancer. Compared to tamoxifen, AIs improve breast cancer recurrence rates and lower 10-year breast cancer mortality. Unfortunately, nearly 2 out of 3 women with estrogen-receptor positive breast cancer treated with AIs experiences AIMSS, such as arthralgia, joint stiffness, and bone pain, and 30% of women with AIMSS report severe pain. AIMSS leads to poor adherence with therapy and discontinuation of therapy in up to 20% of patients. Despite the large number of women affected, current therapeutic interventions have shown only limited efficacy in improving AIMSS. Therefore, the presence of AIMSS may negatively impact breast cancer recurrence and survival. In this current trial, the plan is to utilize topical cannabinoid creams from Vireo Health that have been tested for potency and purity. Two distinct products with different THC/CBD ratios will be provided to patients at no cost; a) a THC-dominant cream (Red XS Balm with 375mg/jar and <20mg of CBD) and b) a CBD-dominant cream (Violet Balm with 2210mg CBD/jar and <0.3% THC). The study will explore the feasibility of doing larger, placebo controlled trials by first ensuring adequate patient interest, acceptable tolerability/safety of cream utilization, and preliminary efficacy measures. All patients completing assessments through day 14 will be allowed to choose either Red XS or Violet creams for an additional 2-week extension period.


Clinical Trial Description

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Study Design


Related Conditions & MeSH terms


NCT number NCT05935891
Study type Interventional
Source University of Minnesota
Contact Anne Blaes, MD,MS
Phone 612-625-9604
Email blaes004@umn.edu
Status Recruiting
Phase Phase 1
Start date April 1, 2023
Completion date April 1, 2025