Atazanavir atazanavir is a structural analog of the transition state during which the bond between a phenylalanine and proline is broken. Humans do not have any enzymes that break bonds between phenylalanine and proline, so this drug will not target human enzymes. Atazanavir is available as a 150 mg capsule, 200 mg capsule, 300 mg capsule, and 50 mg oral powder packet. The 300 mg capsule should reduce pill burden, as one 300 mg capsule may replace two 150 mg capsules. Atazanavir Atazanavir, sold under the trade name Reyataz among others, is an antiretroviral medication used to treat and prevent HIV/AIDS.
Orphan drug incentives, such as an extended period of exclusivity, a time during which that company is the only one allowed to market the orphan drug—all intended to encourage the development of those drugs which might otherwise lack a sufficient profit motive and market to attract companies' research budgets and personnel. An orphan drug is a pharmaceutical agent which has been developed to treat a rare medical condition, the condition itself being referred to as a rare disease. A rare disease, also referred to as an "orphan disease", is any disease which affects a small percentage of the population. Most rare diseases