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PH94B Nasal Spray for Anxiety Induced by a Public Speaking Challenge

NCT04754802 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 224

Last updated 2025-09-12

Study results available
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Summary

This Phase 3 clinical trial is designed to evaluate the efficacy, safety, and tolerability of the acute administration of 3.2 µg of PH94B to relieve symptoms of anxiety in adult subjects with social anxiety disorder (SAD) during an induced public speaking challenge.

Subject participation in the Study will last a total of 3 to 7 weeks, depending on the duration of the screening period and intervals between visits. Upon signing an informed consent, all subjects will complete Visit 1 (Screening) and enter a screening period lasting between 3 and 35 days. If subjects meet all eligibility criteria at the end of the screening period, subjects will return for Visit 2 and self-administer the nasal spray and then participate in a 5 minute public speaking challenge. During the public speaking challenge, the subject will be asked for their anxiety score, which will be recorded by a trained observer. At Visit 3, the subjects will undergo the same public speaking procedure once again as they did in Visit 2. One week after the completion of the Visit 3 public speaking challenge, the subject will come back for Visit 4 (Follow-up) that will involve a repeat of the safety and psychiatric assessments conducted at Screening.

Conditions

Interventions

DRUG

PH94B Nasal Spray

Nasal spray delivered 20 minutes before the public speaking stressor

DRUG

Placebo Nasal Spray

Nasal spray delivered 20 minutes before the public speaking stressor

Sponsors & Collaborators

  • VistaGen Therapeutics, Inc.

    lead INDUSTRY

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2021-05-24
Primary Completion
2022-06-22
Completion
2022-06-22
FDA Drug
Yes

Countries

  • United States

Study Locations

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04754802 on ClinicalTrials.gov