Skip to content

ELISPOT assay using induced sputum

Enzyme-linked immunospot assay using induced sputum for a rapid diagnosis of smear negative pulmonary tuberculosis

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0000376
Enrollment
40
Registered
2012-03-02
Start date
2010-06-10
Completion date
Unknown
Last updated
2019-03-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Others : Sputum induction Sputum induction is performed using 3% hypertonic saline solution generated by an ultrasonic nebulizer (Devilbiss Ultraneb 99
Sunrise Medical, PA, USA) for 20 minutes in a room with negative-pressure ventilation. All subjects are premeditated with 200 µg salbutamol via metered-dose inhaler 30 minutes prior to sputum inductio

Sponsors

Pusan National University Yangsan Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) more than 18 years old 2) radiological evidence of pulmonary tuberculosis on plain chest X-ray 3) Subjects being investigated for pulmonary TB who were either at least 2 consecutive sputum acid fast bacilli (AFB) smear-negative or not producing sputum spontaneously

Exclusion criteria

Exclusion criteria: 1) less than 18 years 2) pregnancy

Design outcomes

Primary

MeasureTime frame
Difference of number of spot forming cells on ELISPOT assay between TB and non-TB group

Secondary

MeasureTime frame
Difference of number of spot forming cells between smear positive and smear negative TB group

Countries

Korea, Republic of

Contacts

Public ContactDoosoo Jeon

Pusan National University Yangsan Hospital

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026