Rajshahi Medical College and Hospital (RMCH), located in Laxmipur, Rajshahi, Bangladesh started its journey at December 01, 2021 as a study site of CCBOC trial. It is the fourth site of this trial & site got the “No Objection Certificate” for subject enrollment on January 19, 2022. RMCH site enrolled their first patient on March 08, 2022. Since the initiation, total 153 subjects were screened and among them 114 patient completed the inclusion criteria of CCBOC protocol and enrolled till January 17, 2023. At July 22, 2022 this study site got Ethical Clearance from Ethical Review Committee of Rajshahi Medical College Hospital. The Principal Investigator of RMCH site is Prof. Dr. Md. Khalilur Rahman and Co-Principle Investigator is Dr. Abu Shahin Mohammed Mahbubur Rahman. This site is currently running with nine employees including the Site Trial Coordinator: Toma Mehedi; Clinical Research Assistants: Dr. Sumaya Haque, Dr. S. M. Wasikul Islam, Dr. Md. Forhad Hossain, and Dr. Tahsin Mukarrama Choudhury; and Clinical Research Nurses: Most. Rajiya Sultana, Sharmin Sultana, Md. Murad Hossain, and Md. Wakil. Currently, the RMCH site has two dedicated beds for study subject management at Medicine ward 13 & 36 under Unit-2.