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N/A N=6 Basic Science

The Development of a COVID19 Oral Vaccine Consisting of Bacillus Subtilis Spores

COVID-19 Pneumonia

Enrolled (actual)
6
Serious AEs
0.0%
Results posted
Dec 2021
Primary outcome: Primary: Serum Neutralizing Receptor Binding Domain IgG Antibody Concentration — 0.2; 9.3; 35.8 ug/ml

Study Design & Population

Study type
Interventional
Phase
N/A
Interventions
Bacillus subtilis (Biological)
Age
Adult, Older Adult · 25+ yrs
Sex
All
Sponsor
DreamTec Research Limited
Primary completion
Oct 2021

Outcome Measures

OutcomeResultp-value
PRIMARY
Serum Neutralizing Receptor Binding Domain IgG Antibody Concentration
0.2; 9.3; 35.8
SECONDARY
Lentirival Pseudovirus Neutralization Assay (Wild Type of SARS-CoV2)
NA; NA; 76.33
SECONDARY
Lentirival Pseudovirus Neutralization Assay (D614G SARS-COV2 Variant)
NA; NA; 82.4

Summary

This is a study trial to assess the effectiveness of the immune response stimulated by the genetically engineered Bacillus subtilis which express and display Spike protein of the SARS-COV2 on the spore coat.

Eligibility Criteria

Inclusion Criteria

  • healthy
  • age over 25 years
  • the outcome of the following examinations should be clinically insignificant: medical and surgical history (hypo-, hypertension, allergy, other diseases, major surgery, micturition, defecation, sleep, illness within the last 4 weeks prior to the start of the trial);
  • participant vaccinated with Sinovac over 4 months
  • anti-SARS CoV 2 neutralizing antibody is negative in serum.

Exclusion Criteria

  • pregnant women
  • history of COVID-19 infection or showing COVID-19 infection symptoms
  • having had contact to people with known COVID-19 infection in the last 14 days
  • having fever (> 37.4oC in the last 24 hours), dry cough or feeling tired and having aches and pains, nasal congestion, runny nose, sore throat and diarrhea.
  • positive real time RT-PCR COVID-19 test.
  • persons with autoimmune diseases
  • allergic diathesis or any clinically significant allergic disease (i.e. asthma)
  • any condition that might impair the immune response
  • recent or current immunosuppressive medication
  • any other vaccine application 30 days before the first dose
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT05057923). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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