A federal judge declined to block a Colorado law that requires drugmakers to offer discounted medications to more pharmacies, but a lawsuit challenging the legislation can still proceed.

Drugmaker AbbVie sued the state in June because of Senate Bill 71 , which forbade drug companies from limiting how many pharmacies can participate in 340B, a federal discount program .

The company’s best-known products include the arthritis drug Humira, the migraine treatment Botox and the antidepressant Lexapro.

Congress created the 340B program, which required drugmakers to sell medications to certain clinics and hospitals at steep discounts, in 1992. The recipients could then sell the medications at full price and keep the difference, subsidizing the care they provide to uninsured people. They co

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