3 结果
The study will be conducted over 44 months. We expect to screen 70 atopic patients in order to enroll up to 50 suitable atopic participants to ensure randomisation of at least 40 atopic participants following their baseline visit. Additionally, we shall recruit 20 healthy, non-atopic volunteers.
Recruitment will be a double-blind, placebo-controlled randomized study in patients age 18 and above going for bariatric surgery. The study will involve two groups with equal allocation of patients in the test group (local anaesthesia) and control group (normal saline) by randomization. All patient
5 PATIENT SELECTION 5.1 Eligibility Criteria
Patients must fulfill all the following criteria to be eligible for admission for the study:
1. Histologically proven central nervous system lymphoma of brain parenchyma with or without leptomeningeal involvement.
2. No evidence of systemic lymphoma.
3.