The best treatments up to now, interleukin-2 or interferon-alpha, help only 15% of patients.

FORBES

Various chemo drugs and interleukin-2 produced nerve damage and other nasty side effects and didn't solve the problem.

FORBES: Magazine Article

Another immune-boosting therapy against cancer, the natural immune system protein interleukin-2, has been limited by severe side effects.

FORBES: Health Care

In the 1980s the natural immune protein interleukin-2 was touted as a breakthrough.

FORBES: Magazine Article

The immune system activator interleukin-2 helps 15% of advanced melanoma cases and cures a few, but it produces such devastating side effects that patients must be hospitalized.

FORBES: Targeting Melanoma

Six months of treatment with toxic interleukin-2, one of the only treatments for advanced kidney cancer, had eroded nerves in her hands and feet, caused frequent vomiting and made her skin peel all over--but did nothing to slow the tumors' relentless growth.

FORBES: Swiss Army Medicine