SynthesisSupportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer2026
The effects of Reiki practice on breast cancer patients: a systematic review.
Synthesis in Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeBreast cancer and its treatments cause multifaceted symptoms in women, affecting their physical, psychological, and emotional well-being. Complementary practices such as Reiki are increasingly used to support symptom management, particularly during chemotherapy. This systematic review aims to evaluate the effects of Reiki practice on improving symptoms in breast cancer patients within the framework of Martha E. Rogers' "Science of Unitary Human Beings."
methodThis study was conducted as a systematic review in accordance with the PRISMA 2020 guidelines. A comprehensive literature search was performed in the PubMed, Web of Science, CINAHL (EBSCOhost), Google Scholar, and DergiPark databases, with the search updated through May 2026 prior to the final analysis. Randomized controlled trials, experimental studies, and quasi-experimental studies investigating Reiki interventions in breast cancer patients were included. Methodological quality and risk of bias were independently assessed by two researchers using Joanna Briggs Institute (JBI) critical appraisal tools and the Cochrane Risk of Bias Tool.
resultsFour studies meeting the inclusion criteria included a total of 339 participants. The included studies suggested that Reiki practice may reduce fatigue and improve overall comfort and well-being. Some studies also reported improvements in quality of life, comfort, mental well-being, and mood.
conclusionReiki appeared to be a safe and well-tolerated complementary intervention in the included studies. Reiki practice may contribute to symptom management, improve quality of life, and support psychological well-being in breast cancer patients. However, due to the limited number of studies, small sample sizes, and methodological differences, larger, well-designed randomized controlled trials are needed.
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