1. CApecitabine plus Radium-223 (Xofigo™) in breast cancer patients with BONe metastases (CARBON): study protocol for a phase IB/IIA randomised controlled trial.
- Author
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Coleman, Rob, Brown, Janet, Rathbone, Emma, Flanagan, Louise, Reid, Amber, Kendall, Jessica, Howell, Sacha, Twelves, Chris, Palmieri, Carlo, Anand, Anjana, MacPherson, Iain, and Brown, Sarah
- Subjects
BONE metastasis ,BONE cancer ,BREAST cancer ,CANCER patients ,CANCER chemotherapy ,DRUG labeling ,LABELS ,THERAPEUTIC use of lithium ,HOLMIUM - Abstract
Background: A substantial proportion of breast cancer patients develop metastatic disease, with over 450,000 deaths globally per year. Bone is the most common first site of metastatic disease accounting for 40% of all first recurrence and 70% of patients with advanced disease develop skeletal involvement. Treatment of bone metastases currently focusses on symptom relief and prevention and treatment of skeletal complications. However, there remains a need for further treatment options for patients with bone metastases. Combining systemic therapy with a bone-targeted agent, such as radium-223, may provide an effective treatment with minimal additional side effects.Methods/design: CARBON is a UK-based, open-label, multi-centre study which comprises an initial safety phase to establish the feasibility and safety of combining radium-223 given on a 6-weekly schedule in combination with orally administered capecitabine followed by a randomised extension phase to further characterise the safety profile and provide preliminary estimation of efficacy.Discussion: The CARBON study is important as the results will be the first to assess radium-223 with chemotherapy in advanced breast cancer. If the results find acceptable rates of toxicity with a decrease in bone turnover markers, further work will be necessary in a phase II/III setting to assess the efficacy and clinical benefit.Trial Registration: ISRCTN, ISRCTN92755158, Registered on 17 February 2016. [ABSTRACT FROM AUTHOR]- Published
- 2020
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