Active Ingredient History
Technetium (99mTc) exametazime is a radiopharmaceutical agent, which is known as trade name Ceretec. The Ceretec kit is supplied as five packs of three vials for use in the preparation of a technetium Tc99m exametazime intravenous injection as a diagnostic radiopharmaceutical. When technetium Tc99m pertechnetate is added to exametazime in the presence of stannous reductant, a lipophilic technetium Tc99m complex is formed. This lipophilic complex is the active moiety. It converts at approximately 12%/hour to less lipophilic species. When the secondary complex is separated from the lipophilic species, it is unable to cross the blood-brain-barrier. The useful life of the reconstituted agent is limited to 30 minutes. This complex is used as an adjunct in the detection of altered regional cerebral perfusion in stroke. And in addition, is indicated for leukocyte labeled scintigraphy as an adjunct in the localization of intra-abdominal infection and inflammatory bowel disease. Also exist clinical trials, where this complex is used for diagnostic purposes in Crohn's Disease and in vascular prosthesis infection. NCATS
Inflammatory Bowel Diseases (approved 1988)
Intraabdominal Infections (approved 1988)
Stroke (approved 1988)
Crohn Disease (Phase 1)
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