NCT05765279

Brief Summary

An Investigator-initiated, Randomized, Single-Blind, Placebo-Controlled Trial to Evaluate the Efficacy of SARS-Cov-2 Post Exposure Prophylaxis and Safety of HH-120 nasal spray

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
281

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Oct 2022

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 20, 2022

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 6, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 6, 2022

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

March 1, 2023

Completed
12 days until next milestone

First Posted

Study publicly available on registry

March 13, 2023

Completed
Last Updated

March 13, 2023

Status Verified

March 1, 2023

Enrollment Period

2 months

First QC Date

March 1, 2023

Last Update Submit

March 1, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • Proportion of subjects who have a RT-qPCR confirmed SARS-CoV-2 infection.

    Day 1 to Day 10

Secondary Outcomes (2)

  • Proportion of subjects who have a symptomatic RT-qPCR confirmed SARS-CoV-2 infection.

    Day 1 to Day 10

  • Proportion of subjects who have an asymptomatic RT-qPCR confirmed SARS-CoV-2 infection.

    Day 1 to Day 10

Study Arms (4)

Treatment Group 1

EXPERIMENTAL
Drug: HH-120 nasal spray 1

Treatment Group 2

EXPERIMENTAL
Drug: HH-120 nasal spray 2

Control Group 3

PLACEBO COMPARATOR
Drug: Placebo Comparator 1

Control Group 4

PLACEBO COMPARATOR
Drug: Placebo Comparator 2

Interventions

HH-120 nasal spray 5 times daily for 3 consecutive days

Treatment Group 1

HH-120 nasal spray 8 times daily for 3 consecutive days

Treatment Group 2

Placebo nasal spray 5 times daily for 3 consecutive days

Control Group 3

Placebo nasal spray 8 times daily for 3 consecutive days

Control Group 4

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Participants aged 18 to 65 years.
  • Participants who have close contact with a SARS-CoV-2 infected individual (index case) are required to be randomized within 72 hours upon close contact.
  • Willing and able to provide written informed consent, or with a legal representative who can provide informed consent.

You may not qualify if:

  • Have a history of severe allergy or hyper-sensitivity to inhaled allergen.
  • Pregnant or breastfeeding women.
  • Have participated, within the last 180 days prior to the screening, in a clinical study involving an investigational intervention of SARS-CoV-2 neutralizing antibody.
  • Have other conditions not suitable for the study per investigator's discretion.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Beijing Ditan Hospital,Capital Medical University

Beijing, Beijing Municipality, 100015, China

Location

MeSH Terms

Conditions

COVID-19

Condition Hierarchy (Ancestors)

Pneumonia, ViralPneumoniaRespiratory Tract InfectionsInfectionsVirus DiseasesCoronavirus InfectionsCoronaviridae InfectionsNidovirales InfectionsRNA Virus InfectionsLung DiseasesRespiratory Tract Diseases

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

March 1, 2023

First Posted

March 13, 2023

Study Start

October 20, 2022

Primary Completion

December 6, 2022

Study Completion

December 6, 2022

Last Updated

March 13, 2023

Record last verified: 2023-03

Locations