Inclusion Criteria:

- Lung transplant recipients between the age of 18 and 65 years of age.

- Females who are capable of becoming pregnant must have a negative pregnancy test
prior to consent. (Females of childbearing potential must be using a medically
acceptable method of birth control for the duration of the study.)

- All patients must be able to give written informed consent.

Exclusion Criteria:

- White blood cell count (WBC) < 4.0/mm3

- Platelet count < 100,000/mm3

- Severe hypercholesterolemia (> 350 mg/dl) or hypertriglyceridemia (> 500 mg/dl)

- Uncontrolled systemic infection at the time of consent.

- Previous organ transplant

- Treatment with a drug within the last 30 days that has not received regulatory
approval at the time of study entry or for the duration of the study (3 years).

- Use of maintenance immunosuppression other than daclizumab, tacrolimus, azathioprine,
or prednisone prior to randomization.