COVID-19 — Fibroblast Growth Factor 23 and Sclerostin in Relation to Calcium in COVID-19 Patients
Citation(s)
Cascella M, Rajnik M, Aleem A, Dulebohn SC, Di Napoli R Features, Evaluation, and Treatment of Coronavirus (COVID-19). 2022 Oct 13. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022 Jan-. Available from http://www.ncbi.nlm.nih.gov/books/NBK554776/
Demir M, Demir F, Aygun H Vitamin D deficiency is associated with COVID-19 positivity and severity of the disease. J Med Virol. 2021 May;93(5):2992-2999. doi: 10.1002/jmv.26832. Epub 2021 Feb 9.
di Filippo L, Doga M, Frara S, Giustina A Hypocalcemia in COVID-19: Prevalence, clinical significance and therapeutic implications. Rev Endocr Metab Disord. 2022 Apr;23(2):299-308. doi: 10.1007/s11154-021-09655-z. Epub 2021 Apr 13.
Lewiecki EM Role of sclerostin in bone and cartilage and its potential as a therapeutic target in bone diseases. Ther Adv Musculoskelet Dis. 2014 Apr;6(2):48-57. doi: 10.1177/1759720X13510479.
Quarles LD Role of FGF23 in vitamin D and phosphate metabolism: implications in chronic kidney disease. Exp Cell Res. 2012 May 15;318(9):1040-8. doi: 10.1016/j.yexcr.2012.02.027. Epub 2012 Mar 7.
Zhou X, Chen D, Wang L, Zhao Y, Wei L, Chen Z, Yang B Low serum calcium: a new, important indicator of COVID-19 patients from mild/moderate to severe/critical. Biosci Rep. 2020 Nov 30;40(12):BSR20202690. doi: 10.1042/BSR20202690. Online ahead of print.
Serum Levels of Fibroblast Growth Factor 23 and Sclerostin in Relation to Serum Calcium Level in COVID 19 Patients
Interventional studies are often prospective and are specifically tailored to evaluate direct impacts of treatment or preventive measures on disease.
Observational studies are often retrospective and are used to assess potential causation in exposure-outcome relationships and therefore influence preventive methods.
Expanded access is a means by which manufacturers make investigational new drugs available, under certain circumstances, to treat a patient(s) with a serious disease or condition who cannot participate in a controlled clinical trial.
Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.
Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.
