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Updated: Jan 3, 2026

Detection and Quantification of Calcitonin Gene-Related Peptide CGRP in Human Plasma Using a Modified Enzyme-Linked Immunosorbent Assay
Published on: June 16, 2023
Procalcitonin: Where Are We Now?
Bachar Hamade1, David T Huang2
1Department of Emergency Medicine, American University of Beirut Medical Center, 2nd Floor, Cairo Street, Beirut, Lebanon; Department of Critical Care Medicine, University of Pittsburgh Medical Center, 3550 Terrace Street, Room 651, Scaife Hall, Pittsburgh, PA 15261, USA.
Abstract:
Procalcitonin is a biomarker that is generally elevated in bacterial infections. This review describes a conceptual framework for biomarkers using lessons from the history of troponin, applies this framework to procalcitonin with a review of observational studies and randomized trials in and out of the intensive care unit, and concludes with clinical recommendations and thoughts on how to test a test.
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