Study Evaluating The Safety, Tolerability And Brain Function Of 2 Doses Of PF-0254920 In Subjects With Early Huntington's Disease

"* Dose will be titrated up every 2 days by 5mg increments: 5mg Days 1-2, 10mg days 3-4, 15mg days 5-6, and reach 20 mg from Days 7 to Day28.~* Orally, approx. Q12H (range 10-14 hours), administered at least one hour prior to, or two hours after meals.~* Treatment for 28 days."

"\- Orally, approx. Q12H (range 10-14 hours), administered at least one hour prior to, or two hours after meals.~Dosing for 28 days."

"* 5mg dose~* Orally, approx. Q12H (range 10-14 hours), administered at least one hour prior to, or two hours after meals.~* Dosing for 28 days."

"* Orally, approx. Q12H (range 10-14 hours), administered at least one hour prior to, or two hours after meals.~* Dosing for 28 days."