Molecules. 2016 Sep 14;21(9). pii: E1228.
Combinatorial Cytotoxic Effects of Damnacanthal and Doxorubicin Against Human Breast Cancer MCF-7 Cells in Vitro.
Aziz MY, Abu N, Yeap SK, Ho WY, Omar AR, Ismail NH, Ahmad S, Pirozyan MR, Akhtar NM, Alitheen NB.

Damnacanthal isolated from noni roots was cytotoxic to breast cancer cells when used in conjunction with doxorubicin, a breast cancer drug. (original abstract available at https://www.ncbi.nlm.nih.gov/pubmed/27649120).