Comparative Pharmacology
Head-to-head clinical analysis: GATIFLOXACIN versus PROQUIN XR.
Peer-Reviewed Evidence
Head-to-head clinical analysis: GATIFLOXACIN versus PROQUIN XR.
GATIFLOXACIN vs PROQUIN XR
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Gatifloxacin inhibits bacterial DNA gyrase and topoisomerase IV, enzymes essential for DNA replication, transcription, repair, and recombination.
Fluoroquinolone antibiotic that inhibits bacterial DNA gyrase and topoisomerase IV, preventing DNA replication and transcription.
400 mg orally or intravenously once daily
500 mg orally once daily with food.
None Documented
None Documented
Terminal elimination half-life 7-14 hours (mean ~10 hours in healthy adults); prolonged in renal impairment (up to 40 hours with CrCl <30 mL/min)
Terminal elimination half-life is approximately 10-14 hours in patients with normal renal function (CrCl >80 mL/min). Extended half-life may occur in renal impairment, necessitating dose adjustment.
Clinical Note
moderateGatifloxacin + Digoxin
"Gatifloxacin may decrease the cardiotoxic activities of Digoxin."
Clinical Note
moderateGatifloxacin + Digitoxin
"Gatifloxacin may decrease the cardiotoxic activities of Digitoxin."
Clinical Note
moderateGatifloxacin + Deslanoside
"Gatifloxacin may decrease the cardiotoxic activities of Deslanoside."
Clinical Note
moderateGatifloxacin + Acetyldigitoxin
"Gatifloxacin may decrease the cardiotoxic activities of Acetyldigitoxin."
Primarily renal excretion (70-87% unchanged in urine) via glomerular filtration and tubular secretion; ~10% biliary/fecal
Primarily renal excretion of unchanged drug (~60-80%) via glomerular filtration and tubular secretion. Biliary/fecal excretion accounts for approximately 20-35%, with a small portion as metabolites.
Category C
Category C
Fluoroquinolone Antibiotic
Fluoroquinolone Antibiotic