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A hyclate (Latin: hyclas) is a pharmaceutical term for hydrochloride hemiethanolate hemihydrate [1] [2] (·HCl· 1 / 2 EtOH· 1 / 2 H 2 O), e.g. doxycycline hyclate. [ 3 ] [ 4 ] References
It is used as a precursor in the industrial synthesis of doxycycline hyclate. [citation needed] It has been found to act as an agonist of the human pregnane X receptor ligand-binding domain and to induce CYP3A4 expression in vitro. [1]
Tetracyclines are generally used in the treatment of infections of the urinary tract, respiratory tract, and the intestines and are also used in the treatment of chlamydia, especially in patients allergic to β-lactams and macrolides; however, their use for these indications is less popular than it once was due to widespread development of resistance in the causative organisms.
Doxycycline, doxycycline monohydrate and doxycycline hyclate are yellow, crystalline powders with a bitter taste. The latter smells faintly of ethanol , a 1% aqueous solution has a pH of 2–3, and the specific rotation is [ α ] D 25 {\displaystyle [\alpha ]_{D}^{25}} −110° cm 3 /dm·g in 0.01 N methanolic hydrochloric acid .
The following is a list of chemicals published as a requirement of Safe Drinking Water and Toxic Enforcement Act of 1986, commonly known as California Proposition 65, that are "known to the state to cause cancer or reproductive toxicity" as of January 3, 2020. [1]
Thus far, Periostat (active ingredient is doxycycline hyclate) is the only MMP inhibitor that has been approved by the U.S. Food and Drug Administration (FDA). It is used for the treatment of periodontitis. Other MMP inhibitors have exhibited serious side effects during preclinical trials.
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Erythromycin.The macrolide ring is the lactone (cyclic ester) at upper left. Clarithromycin Roxithromycin. Macrolides are a class of mostly natural products with a large macrocyclic lactone ring to which one or more deoxy sugars, usually cladinose and desosamine, may be attached.