 Dr. Folkers and Judy did case studies of the effects of Coenzyme Q10 on various cancers in patients with congestive heart failure.Coenzyme Q10 put the cancers into remission, improved heart function, and reduced the degree of heart failure.In 1998, Judy reported that PSA and prostate mass decreased following the treatment of prostate cancer patients with high dosages of Coenzyme Q10 (600 milligrams per day).