Cancer Therapeutics

Helsinn is moving into cancer therapeutics because we have identified a real patient need area. We also believe that our unique understanding of cancer patients and their journey provides us with a particular insight.


Valchlor® gel is applied topically once-a-day and dries on the skin. Valchlor® is the approved brand name of mechlorethamine, and it is the first and only US FDA approved topical formulation of mechlorethamine.

USA - Full Prescribing Information

Product Website