Review Article
Systematic Review of the Use of Phytochemicals for Management of Pain in Cancer Therapy
Table 2
Overview of the 7 full-text articles and associated phytochemicals included in this systematic review.
| Study | | Study design | Study duration | Phytochemical | Delivery | Patients | Country | Major study design bias |
| Bao et al. [21] | 124 | RCT, open label | Immediate intervention | Xiaozheng Zhitong Paste | Ointment | Multiple cancers with metastases | China | Control is not a placebo |
| Belcaro et al. [22] | 80 | RCT, open label | 60 days | Meriva (lecithin delivery system of curcumin) | Oral | Chemo/radiotherapy postsurgical and multiple cancers | Italy | Heterogeneous cancer study population |
| Brooker et al. [23] | 66 | RCT, blinded | 12 months | IH636 grape seed proanthocyanidin extract | Oral | Pain after high-dose radiotherapy for early breast cancer | UK | None |
| Costa Fortes et al. [24] | 56 | RCT, blinded | 6 months | Agaricus silvaticus fungus extract | Oral | Postsurgical patients with colorectal cancer and pain | Brazil | Integrity of double-blinding unclear |
| Pawar et al. [27] | 27 | RCT, blinded | 50 days | SAMITAL (three botanical extracts) | Oral solution | Pain from oral mucositis in patients treated for neck/head cancer | India | Control versus exposure group inequity |
| Pommier et al. [25] | 254 | RCT, open label | 6 weeks | Calendula (plant) | Ointment | Pain after radiotherapy for breast carcinoma | France | Integrity of blinding questionable |
| Tröger et al. [26] | 220 | RCT, open label | 12 months | Mistletoe | S/C injections | Pancreatic cancer | Serbia | Not blinded |
| Total | 827 | | | | | | | |
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