Tuberculosis, Pulmonary Clinical Trial
Official title:
Detection of Circulating Mycobacterium Tuberculosis Antigen Peptides for the Diagnosis of Active Pulmonary and Extrapulmonary Tuberculosis in Hospitalized Patients
Verified date | February 2020 |
Source | Chinese University of Hong Kong |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
Diagnosis and treatment of tuberculosis are often delayed in hospitalized patients, leading to worse outcomes. Rapid diagnosis of tuberculosis currently relies on microscopy and molecular techniques, which have limitations including low sensitivity and high cost.Highly sensitive diagnostic technique is needed for more accurate rapid diagnosis of tuberculosis to aid earlier initiation of antituberculous therapy. Detection of Mycobacterium tuberculosis (MTB) antigens in the bloodstream can potentially allow early diagnosis of tuberculosis. This study aims to evaluate the diagnostic performance of a novel assay using nanotechnology to detect MTB antigens in patients admitted to hospital with suspected pulmonary and/or extrapulmonary tuberculosis. Blood will be taken from eligible patients, and will be sent to the School of Biological and Health Systems Engineering, Arizona State University, for detection of 10-kDa culture filtrate protein (CFP-10) and the 6 kDa early secretory antigenic target (ESAT-6), two antigens specific for MTB, using the Nanodisk-MS assay. Investigations, including microscopy, culture, MTB polymerase chain reaction (PCR), and imaging, will be performed for diagnosis of tuberculosis. The diagnostic performance of Nanodisk-mass spectrometry (MS) assay will be evaluated.
Status | Completed |
Enrollment | 100 |
Est. completion date | December 31, 2019 |
Est. primary completion date | July 31, 2019 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Adult patients aged 18 or above, - Assessed by an Infectious Diseases physician to have clinical and/or radiological suspicion of pulmonary and/or extrapulmonary TB. Exclusion Criteria: - Refusal to consent from patients or next of kins for incompetent patients. |
Country | Name | City | State |
---|---|---|---|
Hong Kong | Prince of Wales Hospital | Sha Tin |
Lead Sponsor | Collaborator |
---|---|
Chinese University of Hong Kong | Alice Ho Miu Ling Nethersole Hospital, Prince of Wales Hospital, Shatin, Hong Kong |
Hong Kong,
Liu C, Zhao Z, Fan J, Lyon CJ, Wu HJ, Nedelkov D, Zelazny AM, Olivier KN, Cazares LH, Holland SM, Graviss EA, Hu Y. Quantification of circulating Mycobacterium tuberculosis antigen peptides allows rapid diagnosis of active disease and treatment monitoring. Proc Natl Acad Sci U S A. 2017 Apr 11;114(15):3969-3974. doi: 10.1073/pnas.1621360114. Epub 2017 Mar 27. — View Citation
Lui G, Wong RY, Li F, Lee MK, Lai RW, Li TC, Kam JK, Lee N. High mortality in adults hospitalized for active tuberculosis in a low HIV prevalence setting. PLoS One. 2014 Mar 18;9(3):e92077. doi: 10.1371/journal.pone.0092077. eCollection 2014. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Diagnostic test correlation | Sensitivity, specificity, positive predictive value, and negative predictive value, will be calculated to determine accuracy of Nanodisk-MS assay, in diagnosing "culture-positive" and "culture-negative" pulmonary and/or extrapulmonary TB. | One year from the date of recruitment |
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