From 2011 this comprehensive review of the composition, preclinical and clinical evidence of feverfew was evaluated. Authors cite evidence for anti-inflammatory and analgesic responses.
References:
Pareek A, Suthar M, Rathore GS, Bansal V. Feverfew (Tanacetum parthenium L.): A systematic review. Pharmacogn Rev. 2011 Jan;5(9):103-10. doi: 10.4103/0973-7847.79105. PMID: 22096324; PMCID: PMC3210009.