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Background Aim. To compare the efficacy of omeprazole to other proton-pump inhibitors (PPIs) or placebo for the treatment of acid peptic disorders (APDs) using a comprehensive literature search including hard-to-access journals and non-English articles. Methods. PubMed, Google Scholar, and China National Knowledge Infrastructure were searched (from inception to March 2023) for trials comparing omeprazole to other types of PPIs or placebo for the treatment APD. Efficacy was analyzed separately for erosive diseases and nonerosive diseases. Primary outcomes included improvement of APD symptoms and frequency of ulcer or erosion healing. Secondary outcomes included adverse events, cost effectiveness, nocturnal acid breakthrough, and length of stay if hospitalized. Random and fixed-effects models were used to determine estimates of efficacy. Results. Thirty-one eligible trials (N = 10,539 participants) were analyzed, including 12 articles not typically included in previous reviews due to translation or journal access issues. Omeprazole significantly improved heartburn compared to placebo (RR = 2.47, 95% CI: 2.13 and 2.86, and p

In COVID-19 patients, cytokine release syndrome plays a critical role in disease progression. Itolizumab inhibits T-cell proliferation and differentiation, thereby modulating imminent cytokine storm. Here, we report a case of a 44-year-old male patient with confirmed COVID-19 and oxygen saturation (SpO2) of 88% on room air. A chest X-ray revealed dense opacification. High levels of inflammatory markers such as C-reactive protein (CRP) and ferritin were observed. The patient's SpO2 decreased to 87% on day 4 despite the best supportive care. Itolizumab was then administered at 1.6 mg/kg along with high flow oxygen. The patient's SpO2 values improved to 95% and 97% on 4th- and 5th-day postinfusion, respectively. CRP and ferritin levels decreased by 85.96% and 24.48%, respectively, along with radiological improvement. The patient was discharged on the 7th day postinfusion in a clinically stable condition. This is the first report of an anti-CD6 humanized monoclonal antibody, itolizumab, given to a patient with moderate-to-severe COVID-19 disease that showed a reduction in hyperinflammation, leading to clinical and radiological improvement.