aminolevulinic acid(redirected from Levulan Kerastick)
aminolevulinic acid(ALA) [ah-me″no-lev″u-lin´ik]
δ-aminolevulinic acid; a precursor of porphyrins and hemoglobin; serum levels of this acid are elevated in lead poisoning and urinary levels are increased in some porphyrias. The hydrochloride salt is used as a topical photosensitizer in the treatment of nonhyperkeratotic actinic keratoses.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
aminolevulinic acidOncology A drug used in photodynamic therapy which is absorbed by tumor cells and activated when exposed to light, killing the cells. See Photodynamic therapy.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.