Overview of Програф
Quick Facts
- Active Ingredient: Tacrolimus
- Drug Class: Calcineurin Inhibitor (Immunosuppressant)
- Manufacturer: Astellas Pharma
- Status: Prescription Only (Rx)
- Primary Use: Preventing organ rejection after a transplant
Prograf is an essential, FDA-approved, brand-name immunosuppressant medication containing the active ingredient tacrolimus. Tacrolimus is classified pharmacologically as a macrolide calcineurin inhibitor, one of the most potent classes of anti-rejection medicines used in clinical practice. It is manufactured and marketed globally by Astellas Pharma.
The primary indication for Prograf is the prophylaxis (prevention) of organ rejection in patients who have received an allogeneic (non-self) kidney, liver, heart, or lung transplant. This medication works as part of a regimen, typically prescribed alongside other immunosuppressive agents, such as corticosteroids.
Formulations and Specificity
Prograf is distinguished by its formulations as an immediate-release product, available as capsules and oral granules for suspension. This is a crucial differentiation, as it is not interchangeable with extended-release forms of tacrolimus. The danger of substituting immediate-release Prograf with any other tacrolimus product is emphasized, as this can lead to under- or overexposure and potentially cause organ rejection.
Because of tacrolimus’s narrow therapeutic index, close therapeutic drug monitoring—measuring the drug's concentration in the patient’s blood—is universally recommended to manage dosing and minimize the risk of serious side effects like neurotoxicity and nephrotoxicity.

