跳至主要内容
临床试验/ISRCTN94098600
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

发起方
iverpool School of Tropical Medicine

相似试验