The aging methadone maintenance patient: treatment adjustment, long-term success, and quality of life.

Objective: To evaluate the features and modes of adaptation to aging among Methadone Maintenance Treatment (MMT) enrollees.

Setting: Beth Israel Medical Center in New York City.

Participants: A sample of 156 MMT enrollees (103/66 percent males and 53/34 percent females) age 24-68 years.