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Temsirolimus Pregnancy and Breastfeeding Warnings

Brand names: Torisel

Medically reviewed by Last updated on Mar 20, 2023.

Temsirolimus Pregnancy Warnings

Use should be avoided.

AU TGA pregnancy category: D
US FDA pregnancy category: Not assigned.

Risk Summary: Administration of this drug to pregnant animals during organogenesis caused adverse embryofetal effects at approximately 0.04 and 0.12 times the AUC in patients at the recommended dose, respectively

-Advise pregnant women of the potential hazard to a fetus.
-Adequate methods of contraception should be encouraged.
-If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential harm to the fetus.

Animal studies have revealed evidence of embryotoxicity and teratogenicity. There are no controlled data in human pregnancy. It is not known whether this drug can cause fetal harm or adversely affect reproductive capacity in humans.

AU TGA pregnancy category D: Drugs which have caused, are suspected to have caused or may be expected to cause, an increased incidence of human fetal malformations or irreversible damage. These drugs may also have adverse pharmacological effects. Accompanying texts should be consulted for further details.

US FDA pregnancy category Not Assigned: The US FDA has amended the pregnancy labeling rule for prescription drug products to require labeling that includes a summary of risk, a discussion of the data supporting that summary, and relevant information to help health care providers make prescribing decisions and counsel women about the use of drugs during pregnancy. Pregnancy categories A, B, C, D and X are being phased out.

See references

Temsirolimus Breastfeeding Warnings

Use should be avoided.

Excreted into human milk: Data not available
Excreted into animal milk: Yes

-The effects in the nursing infant are unknown.
-The manufacturer recommends that breastfeeding be discontinued during bevacizumab therapy and for 3 weeks following the last dose.

See references

References for pregnancy information

  1. Product Information. Torisel (temsirolimus). Wyeth-Ayerst Laboratories. 2007.

References for breastfeeding information

  1. Product Information. Torisel (temsirolimus). Wyeth-Ayerst Laboratories. 2007.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.