Testing the Replicability of a Successful Care Management Program: Results from a Randomized Trial and Likely Explanations for Why Impacts Did Not Replicate.

Objectives: To test whether a care management program could replicate its success in an earlier trial and determine likely explanations for why it did not.

Data Sources/setting: Medicare claims and nurse contact data for Medicare fee-for-service beneficiaries with chronic illnesses enrolled in the trial in eastern Pennsylvania (N = 483).

Study Design: A randomized trial with half of enrollees receiving intensive care management services and half receiving usual care.