Selected Immunosuppressants; Temsirolimus/Saquinavir Interactions
This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.
Serious. These medicines may interact and cause very harmful effects. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
Saquinavir may slow down how quickly your body processes cyclosporine, sirolimus, or temsirolimus.
What might happen:
The amount of cyclosporine, sirolimus, or temsirolimus in your body may increase and cause more side effects than normal.
What you should do about this interaction:
Make sure your healthcare professionals (e.g. doctor or pharmacist) know that you are taking these two medicines together. Your doctor may need to check the amount of cyclosporine, sirolimus, or temsirolimus in your blood and adjust the dose until you have been stabilized on the combination.Contact your healthcare professional if you experience any chest discomfort, dizziness, shaking, leg cramping, swelling, or any unusual stomach upset, headache, or skin irritation.Your healthcare professionals may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
- 1.Invirase (saquinavir mesylate) US prescribing information. Roche Laboratories, Inc. March, 2019.
- 2.Torisel (temsirolimus) US prescribing information. Wyeth Pharmaceuticals, Inc. March, 2018.
- 3.Vogel M, Voigt E, Michaelis HC, Sudhop T, Wolff M, Turler A, Sauerbruch T, Rockstroh JK, Spengler U. Management of drug-to-drug interactions between cyclosporine A and the protease-inhibitor lopinavir/ritonavir in liver-transplanted HIV-infected patients. Liver Transpl 2004 Jul; 10(7):939-44.
- 4.Sheikh AM, Wolf DC, Lebovics E, Goldberg R, Horowitz HW. Concomitant human immunodeficiency virus protease inhibitor therapy markedly reduces tacrolimus metabolism and increases blood levels. Transplantation 1999 Jul 27;68(2):307-9.
CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.