A method for repurposing a pharmaceutical compound. The method includes identifying a pharmaceutical compound, the pharmaceutical compound corresponding to a drug that has failed in clinical development or an approved drug. A mathematical model describing the physiological processes related to at least one disease and the effects of the pharmaceutical compound on the disease is created. The model is adjusted based upon information from preclinical or clinical trials. A new treatment protocol is suggested to salvage the failed drug or a new way to use an approved drug. The suggested treatment protocol is displayed. Systems and computer program products encompassing the above techniques are also disclosed.