(AP)—An Oregon Medicaid committee is expected to significantly scale back access to an effective—but expensive—new drug used to treat hepatitis C.

The decision on Thursday would allow only a narrow set of Medicaid patients to be treated with the $1,000-per-pill drug known as Sovaldi.

Medical experts on Oregon's pharmaceutical review committee question whether the drug is worth the . Oregon's guidelines would allow the drug to be used only for patients with later stages of who have been compliant with previous medical treatments and drug-free for at least six months. The drug could only be prescribed by a liver specialist.

Oregon is grappling with the issue a day after Illinois' Medicaid program put in place tight restrictions on the use of the drug.