Patent ID: 8067431

Claim:
A method of treating a patient in need of an opioid antagonist, comprising: administering to the patient an oral dosage form comprising a compound selected from the group consisting of 6-CH 3 —(OCH 2 CH 2 ) 5 —O-naloxol; 6-CH 3 —(OCH 2 CH 2 ) 6 —O-naloxol; 6-CH 3 —(OCH 2 CH 2 ) 7 —O-naloxol; 6-CH 3 —(OCH 2 CH 2 ) 8 —O-naloxol; and 6-CH 3 —(OCH 2 CH 2 ) 9 —O-naloxol; or a pharmaceutically acceptable salt thereof, wherein the compound is an α-6 isomer, a β-6 isomer or a mixture of α-6 and β-6 isomers.