ISRCTN94098600进行中(未招募)Unknown
A feasibility study of controlled human infection with intradermal Bacillus Calmette–Guérin injection
iverpool School of Tropical Medicine0 个研究点目标入组 30 人开始时间: 2023年3月29日最近更新:
适应症
试验速览
- 阶段
- Unknown
- 状态
- 进行中(未招募)
- 发起方
- 入组人数
- 30
研究概览
简要总结
2024 Protocol article in https://pubmed.ncbi.nlm.nih.gov/39219857/ (added 02/09/2024)
研究设计
- 研究类型
- Interventional
入排标准
- 性别
- All
入选标准
- •1. Healthy adults aged 18-50 years (inclusive)
- •2. Resident near Liverpool School of Tropical Medicine (LSTM) (<1 h drive) for the duration of the study period
- •3. Allows the investigators to discuss the volunteer’s medical history with their GP
- •4. Females of childbearing potential with a negative urine pregnancy test at screening and willing to practice adequate birth control measures during the study.
- •5. Fluent spoken English - to ensure a comprehensive understanding of the research project and their proposed involvement
- •6. Capacity to provide written informed consent
- •7. Able and willing (in the investigator's opinion) to comply with all the study requirements
排除标准
- •1. Laboratory evidence at screening of latent M. tb infection as indicated by a positive ELISPOT response to ESAT6 or CFP10 antigens
- •2. Clinical, radiological, or laboratory evidence of current active TB disease
- •3. Previous vaccination with BCG, or any candidate TB vaccine
- •4. Within the last year had close household contact with an individual with smear-positive pulmonary tuberculosis
- •5. Clinically significant history of skin disorder, allergy, immunodeficiency (including HIV), cancer, cardiovascular disease, respiratory disease, gastrointestinal disease, liver disease, renal disease, endocrine disorder, neurological illness or psychiatric disorder
- •6. Current medical issues:
- •6.1. Acute respiratory tract infection in the 4 weeks preceding recruitment
- •6.2. Any uncontrolled medical or surgical condition at the discretion of the study doctor
- •7. Maternal:
- •7.1. Female participants who are pregnant
- •7.2. Female participants who are lactating
- •7.3. Female participants who intend to become pregnant during the study
- •7.4. Female participants who are unable to take contraception measures during the study
- •8. Smoking:
- •8.1. Current (defined as =5/week) or ex-smoker (cigarettes/cigars/e-cigarette /vaping/smoking of recreational drugs) in the last 6 months
- •8.2. Previous significant smoking history (more than 20 cigarettes per day for 20 years or the equivalent [>20 pack years])
- •9. Current alcohol and recreational drug use
- •9.1. Regularly drinks =3 units/day (male) or =2 units/day (female)
- •9.2. Uses recreational drugs
- •9.3. Participants may be excluded at the discretion of the research clinician
- •10. Concurrent oral or systemic steroid medication or the concurrent use of other immunosuppressive agents
- •11. History of anaphylaxis to vaccination or any allergy likely to be exacerbated by any component of the challenge agent
- •12. Has received any vaccination within one month of the screening visit
- •13. Has not completed at least two COVID-19 vaccination doses
- •14. Any abnormality of screening blood or urine tests that is deemed to be clinically significant or that may compromise the safety of the volunteer in the study
- •15. Positive HBsAg, HCV or HIV antibodies
- •16. Current involvement in another trial that involves regular blood tests or an investigational medicinal product
- •17. Use of an investigational medicinal product or non-registered drug, live vaccine, or investigational medical device for 4 weeks prior to dosing with the study challenge agent
- •18. Administration of immunoglobulins and/or any blood products within the three months preceding the planned challenge date
- •19. Participants who meet STOP criteria at the time of screening
- •20. Any other issue which, in the opinion of the study staff, may:
- •20.1. Put the participant or their contacts at risk because of participation in the study
- •20.2. Adversely affect the interpretation of the study results
- •20.3. Impair the participant’s ability to participate in the study
研究者
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