2011 National Guideline Clearinghouse | Antiemetics (nausea): American Society of Clinical Oncology clinical practice guideline update.

Guideline Title:

Antiemetics: American Society of Clinical Oncology clinical practice guideline update.

also note: 

FDA Warning/Regulatory Alert

Note from the National Guideline Clearinghouse: This guideline references a drug(s) for which important revised regulatory and/or warning information has been released.

• September 15, 2011 – Zofran (ondansetron) : The U.S. Food and Drug Administration (FDA) notified healthcare professionals and patients of an ongoing safety review and labeling changes for the anti-nausea drug Zofran (ondansetron, ondansetron hydrochloride and generics). Ondansetron may increase the risk of developing prolongation of the QT interval of the electrocardiogram, which can lead to an abnormal and potentially fatal heart rhythm, including Torsade de Pointes.