Comparative Pharmacology
Head-to-head clinical analysis: DELZICOL versus DIPENTUM.
Peer-Reviewed Evidence
Head-to-head clinical analysis: DELZICOL versus DIPENTUM.
DELZICOL vs DIPENTUM
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Delzicol is a prodrug of mesalamine (5-aminosalicylic acid). It is converted to mesalamine in the colon by bacterial azoreduction. Mesalamine reduces inflammation in the colon by inhibiting prostaglandin production via cyclooxygenase inhibition and decreasing leukotriene synthesis via lipoxygenase pathway. It also scavenges reactive oxygen species and inhibits cytokine production.
Olsalazine is a prodrug that is activated in the colon by bacterial azoreductases to release two molecules of 5-aminosalicylic acid (mesalamine), which locally inhibits cyclooxygenase and lipoxygenase pathways, reducing prostaglandin and leukotriene production, and exerts anti-inflammatory effects in the colonic mucosa.
800 mg orally 3 times daily for ulcerative colitis; mesalamine 4 g retention enema once daily or 4 g foam once daily for proctosigmoiditis.
500 mg orally twice daily, administered as two 250 mg capsules.
None Documented
None Documented
The terminal elimination half-life of mesalamine is approximately 0.5-1.5 hours after oral administration. For the acetylated metabolite, it is 5-10 hours. The short half-life necessitates multiple daily dosing for sustained colonic anti-inflammatory effect.
Terminal elimination half-life of olsalazine is approximately 0.9 hours. The active metabolite, 5-ASA, has a half-life in the colon of 2-5 hours due to local retention; systemic half-life is short (0.6-1.4 hours).
Approximately 40-50% of the absorbed dose is excreted renally as mesalamine (5-ASA) and its acetylated metabolite (N-Ac-5-ASA). Fecal excretion accounts for the remainder, including unabsorbed drug and biliary elimination.
Primarily renal (80%), with fecal/biliary excretion up to 20% as olsalazine and metabolites (mainly 5-ASA).
Category C
Category C
Aminosalicylate
Aminosalicylate