A one-page overview of the peer-reviewed research, prepared for discussion with a healthcare provider. The Tapping Evidence Base · July 2026
Bottom line. A meta-analysis (Zheng 2025) reported a pooled Mean Difference of -7.41 (95% CI -9.32 to -5.51) for tapping on depression symptoms in the cancer & serious illness literature.
| Study | Design | Journal | Effect |
|---|---|---|---|
| Zheng, D., Lin, X. et al. (2025) | Meta-analysis, N=774 | Journal of Psychosomatic Research | |
| Hasibuan, S.H., Said, F.M. et al. (2025) | Systematic review | African Journal of Biomedical Research | |
| Hamidah, H., Rauf, S. et al. (2024) | Systematic review | Healthcare in Low-Resource Settings | |
| Tack, L., Lefebvre, T. et al. (2021) | Randomized trial, N=121 | eClinicalMedicine | |
| Kaplan, M., Çelik, H. (2025) | Randomized trial, N=70 | Supportive Care in Cancer | |
| Zheng, D., Xiao, W. et al. (2025) | Randomized trial, N=58 | Medicine (Baltimore) | |
| Lazarov, A., Church, D. et al. (2025) | Randomized trial, N=53 | Healthcare (Basel) | |
| Kalroozi, F., et al. (2022) | Controlled trial, N=133 | Perspectives in Psychiatric Care |