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Information ⬇

AHFS Class:

91:04.12 Chemotherapy antidotes/protectants

Generic Name

Products ⬆ ⬇

Amifostine is available as a lyophilized powder in single-dose vials containing 500 mg of amifostine on the anhydrous basis.1279 Reconstitute each vial with 9.7 mL of sodium chloride 0.9% to yield a solution containing amifostine 50 mg/mL.1279

The reconstituted solution should be further diluted in sodium chloride 0.9% to a final concentration of 5 to 40 mg/mL prior to administration.1279

pH

Reconstituted solutions have a pH of 6.5 to 7.5.1502

Trade Name(s)

Ethyol

Administration ⬆ ⬇

Amifostine is administered by intravenous infusion.1279 When used as a chemoprotectant, the dose is administered by intravenous infusion over 15 minutes, starting 30 minutes prior to chemotherapy.1279 When used as a radioprotectant, the dose is administered by intravenous infusion over 3 minutes, starting 15 to 30 minutes prior to radiation therapy.1279

Stability ⬆ ⬇

Amifostine lyophilized powder in intact vials should be stored at controlled room temperature.1279 Reconstituted solutions should be colorless and are stated to be chemically stable for 24 hours at 2 to 8°C or 5 hours at room temperature (approximately 25°C).1279

Diluted solutions for infusion prepared in PVC bags are stated to be stable for 24 hours at 2 to 8°C or 5 hours at room temperature (approximately 25°C).1279

Solutions should not be used if cloudiness or a precipitate is observed.1279 Any unused portions should be discarded.1279

Compatibility ⬆ ⬇

Solution Compatibility

Y-Site Injection Compatibility (1:1 Mixture)

Other Info ⬆ ⬇

References

For a list of references cited in the text of this monograph, search the monograph titled References.

Copyrights ⬆

ASHP® Injectable Drug InformationTM. Selected Revisions December 5, 2024. © Copyright, 2025. American Society of Health-System Pharmacists®, 4500 East-West Highway, Suite 900, Bethesda, Maryland 20814.