Shaheed Ziaur Rahman Medical College and Hospital Bogura (SZMCH), located in Bogura Sadar, Bogura- Bangladesh, is the 3rd site of the CCBOC trial. This site got the approval for subject enrollment on 10 july 2021 and recruited their first patient on 05 August 2021. Since the initiation of the study, a total of 398 patients have been screened, and among them, 220 patients have been enrolled in the study through January 18, 2023. The Principal Investigator at the SZMCH site is Dr. Md. Halimur Rashid, Head of the department of Medicine ,SZMCH . This site currently employs nine people, including the Site Trial Coordinator: Dr Abdullah Rawha Abir ; Clinical Research Assistants: Dr. Roton Pramanik, Dr. Nahida Sultana Liza, Dr. Md. Selim Reza, and Dr. MST. Habiba Khatun; and Clinical Research Nurses: Md Robiul Hasan, Md. Monwarul Islam, Mst. Monira Khatun, and Subarna Paul . Currently, the SZMCH site has three dedicated beds for subject requirements at Medicine Ward.