This clinical trial is focused on studying a type of cancer called Ocular Adnexal Marginal Zone Lymphoma (OAMZL), which affects the tissues around the eyes. The study is investigating the effectiveness of a treatment using the antibiotic doxycycline. This treatment aims to eliminate a specific bacteria known as Chlamydophila psittaci, which may be linked to this type of lymphoma.
The purpose of the study is to determine how well this treatment works in patients who have been newly diagnosed with OAMZL. Participants will take doxycycline over an extended period, and their progress will be monitored to see if the bacteria is successfully eradicated. If the infection returns, the antibiotic treatment will be repeated. The study will observe how patients respond to this approach over time.
Throughout the study, researchers will also look at various factors, such as how well patients tolerate the treatment and how long they remain free of disease progression. The study will also explore genetic aspects of the lymphoma and any potential links to the bacterial infection. The goal is to gather comprehensive information that could improve understanding and treatment of OAMZL in the future.



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