New Medicare reimbursement, if implemented as is, will disrupt the close-knit oncology marketplace, Expensive new drugs are relatively immune to discounting pressures that form the basis of the reimbursement formula. Nevertheless, infrastructure changes wrought by the squeeze on oncologists' margins will impact the relationship between manufacturers and physicians.

As biotech products ripen, manufacturers facing the prospect of launching complex, expensive drugs are turning to specialty pharmacy providers for help. A new breed of business, they provide clinical and logistical support. The recent entry of PBMs into the specialty pharmacy arena, along with new Medicare rules, is likely to accelerate pricing pressure on manufacturers and affect their relationships with distributors, payers, and providers.

Manufacturers in the past haven't paid much heed to health plans' half-hearted efforts to reign in biotech drug spending. They figure if the drug is good enough, payers have to cover it. But health plans are for the first time serious about managing specialty pharma spending. Manufacturers should take heed because the impact on their revenues and marketing strategies could be significant.