Recommendations for the Use of Antiretroviral Drugs in Pregnant Women with HIV Infection and Interventions to Reduce Perinatal HIV Transmission in the United States

The information in the brief version is excerpted directly from the full-text guidelines. The brief version is a compilation of the tables and boxed recommendations.

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Archived Drugs

Enfuvirtide (Fuzeon, T-20)

Last Updated: December 7, 2018; Last Reviewed: December 7, 2018

Excerpt from Table 8

Excerpt from Table 8
Generic Name
Trade Name
Formulation Dosing Recommendationsa Use in Pregnancy
T-20 (Fuzeon)
  • Supplied as lyophilized powder. Each vial contains 108 mg of T-20; reconstitute with 1 mL of sterile water for injection for SQ delivery of approximately 90 mg/1 mL.
T-20 is indicated for advanced HIV disease and must be used in combination with other ARV drugs to which the patient’s virus is susceptible, as determined by resistance testing.

Standard Adult Dose:
  • T-20 90 mg (1 mL) twice daily without regard to meals
PK in Pregnancy:
  • No PK data in human pregnancy
Dosing in Pregnancy:
  • Insufficient data to make dosing recommendation
Minimal to low placental transfer to fetus.b

No data on human teratogenicity
a Individual ARV drug doses may need to be adjusted in patients with renal or hepatic insufficiency (for details, see the Adult and Adolescent Guidelines Appendix B, Table 8).
b Placental transfer categories are determined by mean or median cord blood/maternal delivery plasma drug ratio:
          High: >0.6
          Moderate: 0.3–0.6
          Low: <0.3

Key to Acronyms: ARV = antiretroviral; PK = pharmacokinetic; SQ = subcutaneous; T-20 = enfuvirtide

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