Factors Associated with Response to Systemic Corticosteroids in Active Ulcerative Colitis: Results from a...

Area of Science:

• Gastroenterology
• Internal Medicine
• Pharmacology

Background:

• Corticosteroids are frequently used for ulcerative colitis (UC).
• Their effectiveness is being re-evaluated in the era of biologic therapies.
• Understanding predictors of response is crucial for optimizing UC management.

Purpose of the Study:

• To assess the effectiveness of systemic corticosteroids in active ulcerative colitis.
• To identify factors influencing short-term response and steroid dependence.
• To evaluate the impact of prior biologic exposure on corticosteroid efficacy.

Main Methods:

• Prospective, multicenter study of 103 patients with active ulcerative colitis initiating corticosteroids.
• Primary endpoint: clinical response at week 4 (Lichtiger score decrease ≥50%).
• Secondary endpoints: combined response (clinical + biomarker reduction), steroid dependence at 3 months.

Main Results:

• 73% achieved clinical response, 68% combined response; 15% were steroid-dependent.
• Biologic-naïve patients showed better response than biologic-experienced patients.
• Past smoking, lower hemoglobin, and biologic experience predicted nonresponse.

Conclusions:

• Disease activity did not affect short-term corticosteroid response but increased steroid dependence risk.
• Prior exposure to biologics negatively impacts corticosteroid response rates in ulcerative colitis.
• Identifying nonresponse predictors aids in tailoring ulcerative colitis treatment strategies.