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  2. Pharmacodynamics of spironolactone - Wikipedia

    en.wikipedia.org/wiki/Pharmacodynamics_of...

    Spironolactone has been identified as an inhibitor of NRG1‐ERBB4 signaling. [142] Spironolactone has been found to act as a potent inhibitor of the pannexin 1 channel, and this action appears to be involved in its antihypertensive effects independently of MR antagonism. [143] Spironolactone has been found to block hERG channels. [144]

  3. Spironolactone - Wikipedia

    en.wikipedia.org/wiki/Spironolactone

    [229] [232] [233] The relationship between a single dose of spironolactone and plasma levels of canrenone, a major active metabolite of spironolactone, has been found to be linear across a dose range of 25 to 200 mg spironolactone. [195] Steady-state concentrations of spironolactone are achieved within 8 to 10 days of treatment initiation. [186 ...

  4. Trimethoprim/sulfamethoxazole - Wikipedia

    en.wikipedia.org/wiki/Trimethoprim/sulfamethoxazole

    The effects of trimethoprim causes a backlog of dihydrofolate (DHF) and this backlog can work against the inhibitory effect the drug has on tetrahydrofolate biosynthesis. This is where the sulfamethoxazole comes in; its role is in depleting the excess DHF by preventing it from being synthesised in the first place.

  5. Mineralocorticoid receptor antagonist - Wikipedia

    en.wikipedia.org/wiki/Mineralocorticoid_receptor...

    Eplerenone is a newer drug that was developed as a spironolactone analog with reduced adverse effects. In addition to the y-lactone ring and the substituent on C-7, eplerenone has a 9α,11α-epoxy group. This group is believed to be the reason why eplerenone has a 20-40-fold lower affinity for the mineralocorticoid receptor than spironolactone. [7]

  6. Imipenem/cilastatin/relebactam - Wikipedia

    en.wikipedia.org/wiki/Imipenem/cilastatin/relebactam

    Dose adjustment should be performed in renal impairment. [9] ... Drug Information Portal. U.S. National Library of Medicine. ... Toggle the table of contents.

  7. Clearance (pharmacology) - Wikipedia

    en.wikipedia.org/wiki/Clearance_(pharmacology)

    In these cases, clearance is almost synonymous with renal clearance or renal plasma clearance. Each substance has a specific clearance that depends on how the substance is handled by the nephron. Clearance is a function of 1) glomerular filtration , 2) secretion from the peritubular capillaries to the nephron , and 3) reabsorption from the ...

  8. β-Lactam antibiotic - Wikipedia

    en.wikipedia.org/wiki/Β-Lactam_antibiotic

    β-Lactam antibiotics are indicated for the prevention and treatment of bacterial infections caused by susceptible organisms. At first, β-lactam antibiotics were mainly active only against gram-positive bacteria, yet the recent development of broad-spectrum β-lactam antibiotics active against various gram-negative organisms has increased their usefulness.

  9. Maintenance dose - Wikipedia

    en.wikipedia.org/wiki/Maintenance_dose

    Continuing the maintenance dose for about 4 to 5 half-lives (t 1/2) of the drug will approximate the steady state level. [1] One or more doses higher than the maintenance dose can be given together at the beginning of therapy with a loading dose. [2] A loading dose is most useful for drugs that are eliminated from the body relatively slowly ...

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