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Candin

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Candin

CANDIN®
(candida albicans) Skin Test Antigen
For Cellular Hypersensitivity

DRUG DESCRIPTION

Candida albicans Skin Test Antigen for Cellular Hypersensitivity (CANDIN® (candida albicans) ) is a clear, colorless, sterile solution with a pH of 8 0 - 8.5. The antigen should be administered intradermally according to the directions included under DOSAGE AND ADMINISTRATION of this package insert.

CANDIN® (candida albicans) is made from the culture filtrate and cells of two strains of Candida albicans. The fungi are propagated in a chemically defined medium consisting of inorganic sals, biotin and sucrose. Lyophilized source material is extracted with a solution of 0.25% NaCl, 0.125% NaHCO3 and 50% v/v glycerol. The concentrated extract is diluted with a solution of 0.5% NaCl, 0.25% NaHCO3, 0.03% Albumin (Human) usp, 8 ppm polysorbate 80 and 0.4% phenol.

The potency of CANDIN® (candida albicans) is measured by DTH skin tests in humans. The procedure involves concurrent (side-by-side) testing of production lots with an Internal Reference (IR), using sensitive adults who have been previously screened and qualified to serve as test subjects. The induration response at 48 hours elicited by 0.1 mL of a production lot is measured and compared to the response elicited by 0.1 mL of the IR. The test is satisfactory if the potency of the production lot does not differ more than ± 20% from the potency of the IR, when analyzed by the paired t-test (two-tailed) at a p value of 0.05

The potency of the ir is monitored by DTH skin testing. Persons included in the potency assay are qualified as test subjects by receiving four skin tests with the IRfrom which a mean induration response (mm) is calculated. Current skin tests with the IR must show that the potency of the IR has not changed more than ± 20% from the mean qualifying response in the same test subjects, when analyzed by the paired t-test (two-tailed) at a p value of 0.05. The required induration response at 48 hours to the IR is 15 mm ± 20%.

Skin Test Strength

The skin-test strength of CANDIN® (candida albicans) has been determined from dose-response studies in healthy adults (see CLINICAL PHARMACOLOGY). The product is intended to elicit an induration response ≥ 5 mm in immunologically competent persons with cellular hypersensitivity to the antigen (see DOSAGE AND ADMINISTRATION).

Last reviewed on RxList: 5/28/2009
This monograph has been modified to include the generic and brand name in many instances.

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