A U.S. Double-blind, Placebo-controlled Phase 2 Clinical Trial to Assess the Efficacy, Safety, and Tolerability of a Repeat Dose of Fasedienol Nasal Spray for the Acute Treatment of Anxiety in Adults with Social Anxiety Disorder

Last updated: February 14, 2025
Sponsor: VistaGen Therapeutics, Inc.
Overall Status: Active - Recruiting

Phase

2

Condition

Panic Disorders

Social Phobia

Mood Disorders

Treatment

Placebo Nasal Spray - Placebo Nasal Spray

Fasedienol Nasal Spray - Fasedienol Nasal Spray

Fasedienol Nasal Spray - Placebo Nasal Spray

Clinical Study ID

NCT06809179
PH94B-CL036
  • Ages 18-65
  • All Genders

Study Summary

This U.S. multicenter, double-blind, placebo-controlled Phase 2 clinical trial is designed to evaluate the efficacy, safety, and tolerability of a repeat intranasal (i.n.) dose of Fasedienol Nasal Spray (fasedienol) (3.2 µg) to relieve symptoms of acute anxiety in adult subjects ages 18 through 65 with Social Anxiety Disorder induced by a public speaking challenge (PSC) in a clinical setting. In addition, safety and tolerability of i.n. administration of 3.2 µg of fasedienol, as-needed, up to 6 times per day for up to 12 months, will be assessed in those subjects who complete PH94B-CL036 and choose to enter the distinct open-label extension phase of the study.

Eligibility Criteria

Inclusion

Inclusion Criteria:

  • Written informed consent provided prior to conducting any study-specific assessment.

  • Male and female adults, 18 through 65 years of age, inclusive.

  • Current diagnosis of SAD as defined in the Diagnostic and Statistical Manual ofMental Disorders, 5th Edition, and confirmed by the Mini-InternationalNeuropsychiatric Interview (MINI).

  • Clinician-rated Liebowitz Social Anxiety Score (LSAS) total score ≥70 at Screening (Visit 1).

  • Clinician-rated Hamilton Depression Rating Scale (HAM-D) (17-items) total score <16.

  • Female subjects of childbearing potential must be able to commit to the consistentand correct use of an effective method of birth control throughout the study

  • Subjects must have normal olfactory function

Exclusion

Exclusion Criteria:

  • Any history of bipolar disorder (I or II), schizophrenia, schizoaffective disorder,psychosis, anorexia or bulimia, premenstrual dysphoric disorder, autism spectrumdisorder, or obsessive-compulsive disorder.

  • Any other current principal or personality disorder (previously known as Axis I orAxis II disorders), except for specific phobias or generalized anxiety disorder,provided that these are not the primary diagnosis.

  • Subjects who meet criteria for moderate or severe alcohol use disorder within the 1year prior to study entry, or any use of illicit substances or tetrahydrocannabinol ("THC") within 2 months prior to study entry.

  • In the opinion of the investigator, the subject has a significant risk for suicidalbehavior during the course of their participation in the study, or the subject isconsidered to be an imminent danger to themself or others.

  • Clinically significant nasal pathology or history of significant nasal trauma, nasalsurgery, total anosmia, or nasal septum perforation that may have damaged the nasalchemosensory epithelium.

  • Two or more documented failed adequate treatment trials with a registered medicationapproved for SAD.

  • Currently receiving cognitive-behavioral therapy (CBT), exposure therapy, oracceptance and commitment therapy.

  • Subjects taking psychotropic medications within 30 days before Visit 2.

  • Use of any over-the-counter product, prescription product, off-label treatment,cannabidiol ("CBD"), or herbal preparation for treatment of the symptoms of anxietyor social anxiety within 30 days before Visit 2.

  • Prior participation in a clinical trial involving fasedienol.

  • Participation in any other clinical trial within the last 30 days or during thecourse of the current trial.

  • Subjects with a positive urine drug screen.

  • Women who have a positive urine pregnancy test.

  • Women who are currently breastfeeding are not eligible unless they are willing tostop breastfeeding for the duration of the study.

  • Subjects who have tested positive and/or have exhibited symptoms consistent withSARS-CoV-2 infection during the 4 weeks prior to Screening (Visit 1).

  • Any clinically significant medical history or findings as determined by theInvestigator that could interfere with the objectives of the study or put theparticipant at risk.

Study Design

Total Participants: 60
Treatment Group(s): 3
Primary Treatment: Placebo Nasal Spray - Placebo Nasal Spray
Phase: 2
Study Start date:
January 09, 2025
Estimated Completion Date:
December 31, 2026

Connect with a study center

  • Vistagen Clinical Site

    Largo, Florida 33777
    United States

    Active - Recruiting

  • Vistagen Clinical Site

    Cary, North Carolina 27511
    United States

    Active - Recruiting

  • Vistagen Clinical Site

    Cleveland, Ohio 44130
    United States

    Active - Recruiting

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