Clinical trials: Droplet Spread
Droplet Transmission
Exposure Measurements and Interventions for Aerosol Produced by Gastrointestinal Endoscopy
Study objective: To clarify the risk of exposure to the exhaled aerosol droplets from patients for medical staffs during digestive endoscopy via labelling the oral mucosa with vitamin B2 solution, and evaluate the protective…
- Trial name
- NCT05321056
- Testing
- masks (surgical mask, respirator)
- Where
- China
- Volunteers
- 130 people
- Sponsor
- Peking Union Medical College Hospital
Influenza (Healthy Volunteers)
Evaluating Modes of Influenza Transmission 2b Baseline SAR
This is a research study to investigate how influenza transmits from person-to-person. Participation as a healthy "Recipient" in this study involves: Home semi-quarantine lasting about 14 days during which the participants must…
- Trial name
- EMIT-2b-1 (NCT07342556)
- Testing
- Exposure to Donors with naturally acquired influenza virus infection
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Maryland, College Park
Cotamination on Face Shield
Position of EGD in Droplet Spreading
The association between position of upper gastrointestinal endoscopy (EGD) and saliva droplet spreading has never been studied. In the era of contagious viral spreading, this pilot study is aimed to assess adenosine triphosphate…
- Trial name
- NCT04329013
- Testing
- Left lateral Position during intervention, Prone Position during intervention
- Where
- Thailand
- Volunteers
- 106 people
- Sponsor
- King Chulalongkorn Memorial Hospital
Droplet Spread
Measuring Droplets in Children
This study will measure the size and quantity of respiratory particle production in children under a variety of conditions, including face coverings/masks and various common activities.
- Trial name
- MeDiC (NCT04518033)
- Testing
- Various commercially available face coverings
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Protective Device (Physical Object), Aerosol Disease
Biocontainment Device for Aerosol Generating Procedures
The primary goal of this study is to assess use of a biocontainment device for planned airway procedures under general anesthesia.
- Conditions
- Protective Device (Physical Object), Aerosol Disease, Droplet Spread
- Trial name
- NCT04532112
- Testing
- Biocontainment Device For Aerosol Generating Procedures (Biobox), Control for aerosol generating procedures
- Where
- United States
- Volunteers
- 37 people
- Sponsor
- University of Pennsylvania
Droplet Spread, Covid19
COVID-19 Aerosol in EGD Using a Droplet Reduction Mouthpiece
Measurement of aerosolisation during esophagogastroduodenoscopy (EGD) to compare two types of mouthpieces, conventional versus a new and commercially available one 'the droplet reduction mouthpiece B1'.
- Trial name
- NCT04864015
- Testing
- Mouthpiece B1(Mouthpiece MPC-ST GMDN:62534 Generic name: Endoscopic bite block, basic, reusable
- Where
- Belgium
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Influenza Virus Infection Transmission in Humans
Evaluating Modes of Influenza Transmission Observational Study of Community Acquired Influenza
The recent swine origin influenza pandemic (2009), new emergence of swine origin H3N2v, and delayed availability of vaccine for these agents highlight the need to test and optimize public health intervention strategies to reduce…
- Trial name
- EMIT (NCT01769430)
- Testing
- Observational Study of influenza aerosol shedding -- No Intervention
- Where
- United States
- Volunteers
- 178 people
- Sponsor
- University of Maryland, College Park
Healthy, Respiratory Tract Infections
Aerosolisation During Respiratory Procedures
Currently, a major issue within respiratory medicine is undertaking procedures that generate aerosolisation with the concern of spreading infection, such as the SARS-COV-2/COVID-19 virus.
- Conditions
- Healthy, Respiratory Tract Infections, Lung Infection, Droplet Spread
- Trial name
- NCT04741217
- Testing
- Not an interventional study
- Volunteers
- 10 people
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust