Ulcerative Colitis Medication
- Author: Marc D Basson, MD, PhD, MBA, FACS; Chief Editor: Julian Katz, MD more...
Medication Summary
The goals of pharmacotherapy are to reduce morbidity and to prevent complications.The treatment of ulcerative colitis relies on initial medical management with corticosteroids and anti-inflammatory agents, such as sulfasalazine, in conjunction with symptomatic treatment with antidiarrheal agents and rehydration.
5-aminosalicylic Acid Derivative
Class Summary
These agents have anti-inflammatory effects. They are used to maintain remission and to induce remission of mild flares of disease.
Sulfasalazine
Sulfasalazine is useful in treating mild-to-moderate ulcerative colitis and maintaining remission. It acts locally in the colon to reduce the inflammatory response and systemically inhibits prostaglandin synthesis.
Balsalazide (Colazal)
Balsalazide is a prodrug that is converted into 5-aminosalicylic acid through bacterial azo reduction. Metabolites of drug may decrease inflammation by blocking production of arachidonic acid metabolites in colon mucosa.
Mesalamine (Asacol, Pentasa, Lialda, Rowasa, Canasa)
Mesalamine is the drug of choice for maintaining remission. It is useful for the treatment of mild-to-moderate ulcerative colitis. It is better tolerated and has less adverse effects than sulfasalazine. Enema and suppository forms are typically used in patients with distal colitis.
Tumor Necrosis Factor Inhibitor
Class Summary
These agents prevent the endogenous cytokine from binding to cell surface receptor and exerting biological activity. These agents adversely affect normal immune responses and allow development of superinfections; reactivation of latent TB has been reported in patients with previous exposure to TB.
Infliximab (Remicade)
Infliximab is a chimeric mouse-human monoclonal antibody to TNF. It binds free and membrane-bound TNF and thus prevents the cytokine from binding to its cell surface receptor and exerting biological activity. Infliximab is indicated for the treatment of moderate-to-severe active ulcerative colitis in patients who have experienced inadequate response to conventional therapy. It has been shown to reduce signs and symptoms, to achieve clinical remission and mucosal healing, and to eliminate corticosteroid use.
Immunosuppressant Agent
Class Summary
These agents regulate key factors of the immune system. Agents such as tacrolimus and cyclosporine are often effective in bringing steroid-resistant disease under control.
Azathioprine (Imuran)
Azathioprine is effective as a steroid-sparing or steroid-reducing agent and for use in maintenance therapy. Administration is oral. Onset of action can be delayed up to 3-6 months.
Cyclosporine (Neoral, Sandimmune)
Cyclosporine is effective as a means of avoiding surgery in patients with severe ulcerative colitis refractory to intravenous corticosteroids. It is given as an intravenous infusion, but can be switched to PO qd dose as "bridge" therapy as outpatient use.
6-Mercaptopurine (Purinethol)
6-Mercaptopurine is effective as a steroid-reducing or steroid-sparing agent and for use in maintaining remission. Administration is oral. Onset of action can be delayed up to 3-6 months.
Tacrolimus (Prograf)
Immunomodulator produced by the bacteria Streptomyces tsukubaensis. Mechanism of action of tacrolimus is similar to cyclosporine. It is effective in bringing steroid-resistant disease under control. Tacrolimus should not be used for long-term therapy, owing to the risk of nephrotoxicity.
Antimicrobials
Class Summary
In several controlled, trials, antibiotics have not been shown to provide consistent benefits for the treatment of active ulcerative colitis. Thus, they are usually administered on an empiric basis in patients with severe colitis in whom they may help with averting a life-threatening infection. They have been shown to be effective for the treatment of pouchitis after an IPAA procedure
Ciprofloxacin (Cipro)
A fluoroquinolone, ciprofloxacin has activity against pseudomonads, streptococci, MRSA, Staphylococcus epidermidis, and most gram-negative organisms but no activity against anaerobes. Inhibits bacterial DNA synthesis and, consequently, growth.
Metronidazole (Flagyl)
Metronidazole is an imidazole ring–based antibiotic active against various anaerobic bacteria and protozoa. Used in combination with other antimicrobial agents but as monotherapy for C difficile enterocolitis.
Corticosteroids
Class Summary
Corticosteroids decrease inflammation by suppressing migration of polymorphonuclear leukocytes and reversing increased capillary permeability. They are used for induction of remission in moderate-to-severe active ulcerative colitis.[72] They have no benefit in maintaining remission; long-term use can cause adverse effects.
Methylprednisolone (Solu-Medrol, Depo-Medrol, Medrol)
Methylprednisolone is administered intravenously in severe cases.
Prednisone (Sterapred)
Given orally, is effective for the treatment of active moderate-to-severe ulcerative colitis.
Hydrocortisone (Cortef, Solu-Cortef, A-Hydrocort)
High dose corticosteroids such as hydrocortisone are used in the treatment of acute, severe ulcerative colitis. Hydrocortisone decreases inflammation by suppressing migration of polymorphonuclear leukocytes and reversing increased capillary permeability.
Antidiarrheal
Class Summary
These agents are nonabsorbable synthetic opioids that provide symptomatic relief in the treatment of ulcerative colitis. They prolong GI transit time and decrease secretion via peripheral mu-opioid receptors. They reduce visceral nociception via afferent pathway inhibition.
Diphenoxylate hydrochloride 2.5 mg with atropine sulfate 0.025 mg (Lomotil)
This drug combination consists of 2.5 mg of diphenoxylate, which is a constipating meperidine congener, and 0.025 mg of atropine to discourage abuse. The preparation inhibits excessive GI propulsion and motility, but it may exacerbate constipation.
Loperamide (Imodium)
Loperamide, which is available over the counter, acts on intestinal muscles to inhibit peristalsis and to slow intestinal motility. It prolongs movement of electrolytes and fluid through bowel and increases viscosity and loss of fluids and electrolytes. Loperamide improves stool frequency and consistency, reduces abdominal pain and fecal urgency, and may exacerbate constipation.
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| Ulcerative Colitis | Crohn Disease |
| Only colon involved | Panintestinal |
| Continuous inflammation extending proximally from rectum | Skip-lesions with intervening normal mucosa |
| Inflammation in mucosa and submucosa only | Transmural inflammation |
| No granulomas | Noncaseating granulomas |
| Perinuclear ANCA (pANCA) positive | ASCA positive |
| Bleeding (common) | Bleeding (uncommon) |
| Fistulae (rare) | Fistulae (common) |

