22 Reiki Literature Reviews

2026

Baldwin A.L., DeLeon P., Dyer N.L. (2026). Investigation and Assessment of Sham Reiki Protocols in Reiki Research. Complement Ther Med. 2026 Oct;101:103415. doi: 10.1016/j.ctim.2026.103415. Epub 2026 Aug 4.

Bayülgen, M.Y. (2026). The Effect of Reiki on Fatigue Symptoms of Cancer Patients: A Systematic Review. Holistic Nursing Practice 40(2):p 96-104, March/April 2026. | DOI: 10.1097/HNP.0000000000000664

Martinez, E.C., Ghattas Hasbun P., et al. (2026). Effectiveness of Non-Pharmacological Interventions for Reducing Anxiety in Endoscopy and Colonoscopy Procedures: A Systematic Review and Network Meta Analysis. Digestive Diseases and  Sciences. 2026 Apr;71(4):1358-1385. doi: 10.1007/s10620-025-09447-4. Epub 2025 Oct 31

Pontes-Gomes, R., Reis-Pina, P. (2026). Reiki and Therapeutic Touch for Symptom Burden and Quality of Life in Palliative Settings: A Systematic Review. Palliat Med. 2026 May 10:2692163261437606. doi: 10.1177/02692163261437606. Epub ahead of print. PMID: 42108752.

Sá R., Quitério R., Neto G.P. (2026). Efficacy of Biofield Therapies in Alleviating Pain and Reducing Symptoms Associated with Mental Disorders: A Systematic Review and Meta-Analysis. OBM Integrative and Complementary Medicine. 2026; 11(2): 021; doi:10.21926/obm.icm.2602021

Silva, L.C.M.A., Dutra, S.V.O., Ferreira, B.F., Rojas, Y.L.G., Dos Santos, K.V.G., de Silv,a C.J.A., Silva, H.M.M.D., Ribeiro, K.R.B., Dantas, D.V., Dantas, R.A.N. (2026). Mental Health Promotion Through Nursing Interventions Focused on Anxiety, Sleep and Well-Being: A Scoping Review. Int J Ment Health Nurs. 2026 Apr;35(2):e70254. doi: 10.1111/inm.70254. PMID: 41951553; PMCID: PMC13061651.

Taylan, S., and Özkan, İ. (2026). The Effect of Reiki on Pain, Anxiety, and Hemodynamic Parameters During the Perioperative Period: A Meta-Analysis Study. Perioperative Care and Operating Room Management, Volume 43, June 2026 100644, https://doi.org/10.1016/j.pcorm.2026.100644

Turan Z., and Tülüce, D. (2026). The Effects of Reiki Practice on Breast Cancer Patients: A Systematic Review. Supportive Care in Cancer. 2026 Jun 18;34(7):670. doi: 10.1007/s00520-026-10889-3.

Wang, H., Ma, Q., Wang, L., Chen, F. (2026). Effectiveness of Reiki in Surgical Care: A Systematic Review and Meta-Analysis. Intensive Critical Care Nursing. 2026 Sep 10;98:104560. doi: 10.1016/j.iccn.2026.104560. Online ahead of print.

2025

Calderon Martinez, E., et al. (2025). Effectiveness of Non-Pharmacological Interventions for Reducing Anxiety in Endoscopy and Colonoscopy Procedures: A Systematic Review and Network Meta-Analysis.  Digestive Diseases and Sciences. DOI: 10.1007/s10620-025-09447-4

Ivanchenko, A. (2025). Reiki Technique as a Rehabilitation Psycho-Emotional Adaptive-Regulating Mind-Body Therapy: A Comprehensive Review Within the Author’s Innovative Psychological Paradigm. Psychology and Mental Health Care.  9(3): DOI:10.31579/2637-8892/333

Liu, K., Qin, Z., Qin, Y. et al. (2025).  Effects of Reiki Therapy on Quality of Life: A Meta-Analysis of Randomized Controlled Trials. Syst Rev 14, 72 (2025). https://doi.org/10.1186/s13643-025-02811-5

2023

Humphreys, E., Cabrera, E., Downey Luhrmann, S. (2023). The Effectiveness of Treating Anxiety With Reiki. Journal of Behavior Therapy, DOI:10.14302/issn2474-9273.jbtm-23-4712 Corpus ID: 264051702

2022

Zadro, S., Stapleton, P. (2022). Does Reiki Benefit Mental Health Symptoms Above Placebo? Front Psychology, 2022 Jul 12:13:897312. doi:10.3389/fpsyg.2022.897312. eCollection 2022.

2021

Botelho, V.T., et al. (2021). Complementary Therapies in Controlling Side-Effects During Cancer Treatment: A Systematic Review and Meta-Analysis. International Journal for Innovation Education and Research. Vol:-9 No-7, 2021.

da Silva Frazão, I. (2021). Reiki as Nursing Care to People in Mental Suffering: An Integrative Review. Revista Brasileira de Enfermagem, 74 (suppl 3) • 2021

Morero, J.A.P., de Souza Pereira, S., Esteves, R.B., Cardosos, L. (2021). Effects of Reiki on Mental Health Care: A Systematic Review. Holistic Nursing Practice, 2021 Jul-Aug;35(4):191-198. doi: 10.1097/HNP.0000000000000456.

2018

Demir Doğan, M. (2018). The Effect of Reiki on Pain: A Meta-Analysis. Complementary Therapies in Clinical Practice, 2018 May:31:384-387. doi: 10.1016/j.ctcp.2018.02.020. Epub 2018 Mar 10.

2017

McManus, D.E. (2017). Reiki Is Better Than Placebo and Has Broad Potential as a Complementary Health Therapy. Journal of Evidence-Based Complementary & Alternative Medicine, 2017 Oct; 22(4): 1051–1057. doi: 10.1177/2156587217728644

2015

Joyce, J., Herbison, G.P. (2015). Reiki for Depression and Anxiety. Cochrane Database of Systemic Reviews. 03 April 2015. https://doi.org/10.1002/14651858.CD006833.pub2

2014

Thrane, S., Cohen, S.M. (2014). Effect of Reiki Therapy on Pain and Anxiety in Adults: An In-Depth Literature Review of Randomized Trials with Effect Size Calculations. Pain Management Nursing, Volume 15, Issue 4, p897-908, December 2014. http://dx.doi.org/10.1016/ j.pmn.2013.07.008

2009

vanderVaart,  S., Gijsen, V.,  de Wildt, S., and Koren. G. (2009). A Systematic Review of the Therapeutic Effects of Reiki. Journal of Alternative and Complementary Medicine. Volume 15, Issue 11. https://doi.org/10.1089/acm.2009.0036