November 26, 2015
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Discontinued Warning IconPlease Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)

(testolactone) Tablets, USP


TESLAC® (testolactone tablets, USP) is available for oral administration as tablets providing 50 mg testolactone per tablet. Testolactone is a synthetic antineoplastic agent that is structurally distinct from the androgen steroid nucleus in possessing a six-membered lactone ring in place of the usual five-membered carbocyclic D-ring. Testolactone is chemically designated as 13-hydroxy-3-oxo-13,17-secoandrosta-1,4-dien-17-oic acid δ-lactone. Graphic formula:

TESLAC® (testolactone) structural formula illustration

Inactive ingredients: calcium stearate, cornstarch, gelatin, and lactose. Testolactone is a white, odorless, crystalline solid, soluble in ethanol and slightly soluble in water.

Last reviewed on RxList: 6/30/2009
This monograph has been modified to include the generic and brand name in many instances.

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