Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. What time should i take my prednisone and my plaquenil Plaquenil and artemesia annua Researchers reveal how two drugs used to treat malaria, called chloroquine and hydroxychloroquine, could help in the fight against cancer. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. This phase I / II trial studies the side effects and best dose of hydroxychloroquine when given together with palbociclib and letrozole before surgery in treating participants with estrogen receptor positive, HER2 negative breast cancer. Hydroxychloroquine is a substance that decreases immune responses in the body. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Plaquenil fights cancer Plaquenil Uses, Dosage & Side Effects -, Plaquenil Oral Uses, Side Effects, Interactions, Pictures, Warnings. Can you take diet pills with plaquenil Mar 14, 2012 When scientists administered hydroxychloroquine, an anti-malarial drug, together with known cancer drugs, they found it stopped the growth of cancerous tumors in two-thirds of the patients. Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct. Researches Say Hydroxychloroquine Can Help Treat Cancer.. Clinical Trials Using Hydroxychloroquine - National Cancer Institute. Researches Say Hydroxychloroquine Can Help Treat Cancer –. Division of Molecular Embryology, DKFZ-ZMBH Allianz, German Cancer Research Center, Heidelberg, D-69120 Germany. I would like to propose an additional strategy for our cancer drugs to be used in the treatment/prevention of viral infections, with a special focus on the current coronavirus epidemic 2019-nCoV. Hydroxychloroquine is a substance that decreases immune responses in the body. Palbociclib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Estrogen can cause the growth of breast cancer cells. Drugs, such as letrozole, may lessen the amount of estrogen made by the body. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others.