ENCALM: a Study of ENX-102 As a Monotherapy Treatment in Patients with Generalized Anxiety Disorder

Purpose

The ENCALM trial is designed to evaluate the efficacy and safety of ENX-102 in patients diagnosed with generalized anxiety disorder (GAD)

Condition

  • Generalized Anxiety Disorder

Eligibility

Eligible Ages
Between 18 Years and 65 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Male or female at birth, inclusive of any gender identity, aged 18 to 65 years, inclusive, at Screening - Diagnosed with GAD according to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), confirmed by a Mini-International Neuropsychiatric Interview (MINI) version 7.0.2 - Experiencing clinically significant generalized anxiety in need of treatment as measured by Hamilton Anxiety Rating Scale (HAM-A) Screening and Day 1 scores ≥22 and at least moderately severe score symptoms of anxious mood and tension as measured by HAM-A items 1 and 2, respectively, with score each ≥2 at Screening and Day 1

Exclusion Criteria

  • Clinically predominant psychiatric diagnosis other than GAD as confirmed by the MINI - Any past/lifetime/current diagnosis of a neurocognitive disorder, or psychotic disorder, or any current diagnosis of posttraumatic stress disorder, obsessive compulsive disorder or bipolar disorder confirmed by independent adjudication - Reports moderately severe to severe symptoms of depression - Ingested psychotropic medication within 5 half-lives or 21 days (whichever is longer) prior to Day 1, including THC and CBD, and unwillingness to refrain from their use for the entire duration of the trial - Recent suicidal ideation or behavior - Current or recent moderate to severe substance use disorder as assessed by the MINI - Clinically significant abnormal findings in safety assessments - Has significant progressive disorders or unstable medical conditions - Unable to comply with the requirements of the study or, in the opinion of the Investigator or Sponsor, is unsuitable for the study

Study Design

Phase
Phase 2
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Treatment
Masking
Triple (Participant, Investigator, Outcomes Assessor)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
ENX-102
Four weeks of 2 mg of ENX-102 in capsule form followed by 3 weeks of tapered dose plus 2 weeks of placebo in capsule form (before and/or after the ENX-102 treatment period), taken orally once daily in the evening for a 9-week total treatment period.
  • Drug: ENX-102
    Selective GABA-A alpha2,3,5 positive allosteric modulator
Placebo Comparator
Placebo
Nine weeks of placebo in capsule form taken orally once daily in the evening for a 9-week total treatment period.
  • Drug: Placebo
    Placebo

Recruiting Locations

More Details

Status
Recruiting
Sponsor
Engrail Therapeutics INC

Study Contact

Eve Taylor, PhD
858-342-5478
ENCALM@engrail.com