Comparative Pharmacology
Head-to-head clinical analysis: SULINDAC versus VOLTAREN XR.
Peer-Reviewed Evidence
Head-to-head clinical analysis: SULINDAC versus VOLTAREN XR.
SULINDAC vs VOLTAREN-XR
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Non-selective cyclooxygenase (COX-1 and COX-2) inhibitor, reducing prostaglandin synthesis. Prodrug converted to active sulfide metabolite which inhibits COX enzymes.
Nonsteroidal anti-inflammatory drug (NSAID) that inhibits cyclooxygenase (COX-1 and COX-2), reducing prostaglandin synthesis. This leads to anti-inflammatory, analgesic, and antipyretic effects.
150-200 mg orally twice daily, with maximum daily dose 400 mg.
100 mg orally once daily, extended-release formulation. Maximum 150 mg/day (divided as 75 mg twice daily or 100 mg once daily).
None Documented
None Documented
14 hours (sulfide active metabolite); 3-4 hours (parent sulindac). Steady-state attained in 3-4 days.
Clinical Note
moderateSulindac + Digitoxin
"Sulindac may decrease the cardiotoxic activities of Digitoxin."
Clinical Note
moderateSulindac + Deslanoside
"Sulindac may decrease the cardiotoxic activities of Deslanoside."
Clinical Note
moderateSulindac + Acetyldigitoxin
"Sulindac may decrease the cardiotoxic activities of Acetyldigitoxin."
Clinical Note
moderateSulindac + Ouabain
"Sulindac may decrease the cardiotoxic activities of Ouabain."
The terminal elimination half-life is approximately 2 hours. The extended-release formulation (XR) does not alter the half-life; it maintains prolonged therapeutic plasma concentrations with twice-daily dosing.
Primarily renal (about 50% as glucuronide conjugates, 25-30% as sulfide and sulfone metabolites); biliary/fecal elimination accounts for approximately 25-30%.
Approximately 65% of a dose is excreted renally as unchanged drug and metabolites (primarily as glucuronide conjugates); about 35% is eliminated via bile in feces.
Category D/X
Category C
NSAID
NSAID