NCT03872128

Brief Summary

To use pregnenolone (PREG; 300; 500mg) daily versus placebo (PLA) as a probe to assess the role of neuroactive steroids in individuals with alcohol use disorder (AUD).

Trial Health

87
On Track

Trial Health Score

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

Enrollment
91

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Sep 2018

Longer than P75 for phase_1

Geographic Reach
1 country

2 active sites

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

September 27, 2018

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

February 1, 2019

Completed
1 month until next milestone

First Posted

Study publicly available on registry

March 13, 2019

Completed
3.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2022

Completed
9 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2023

Completed
5 months until next milestone

Results Posted

Study results publicly available

December 15, 2023

Completed
Last Updated

February 5, 2024

Status Verified

February 1, 2024

Enrollment Period

4.1 years

First QC Date

February 1, 2019

Results QC Date

October 31, 2023

Last Update Submit

February 1, 2024

Conditions

Outcome Measures

Primary Outcomes (3)

  • Percent Drinking Days

    The mean percent drinking days as assessed by self report on daily smartphone monitoring and corroborated by the Substance Use Calendar over the 8 week period.

    up to 8 weeks

  • Percent Heavy Drinking Days

    The mean percent heavy drinking days as assessed by self report on daily smartphone monitoring and corroborated by the Substance Use Calendar over the 8 week period.

    up to 8 weeks

  • Number of Drinks Per Drinking Day

    Average number of drinks per drinking day as assessed by self report on daily smartphone monitoring and corroborated by the Substance Use Calendar over the 8 week period.

    up to 8 weeks

Secondary Outcomes (4)

  • Alcohol Craving

    8 week outcome period

  • Number of Participants With Treatment Emergent Adverse Events

    up to 8 weeks

  • Pregnenolone Levels

    up to 8 weeks

  • Weekly Negative Mood and Anxiety

    assessed weekly, score at week 8 reported

Study Arms (3)

patients receiving 300mg PREG

ACTIVE COMPARATOR

Patients randomly assigned to receive 300mg of pregnenolone (PREG) daily.

Drug: Pregnenolone300

patients receiving 500mg PREG

ACTIVE COMPARATOR

Patients randomly assigned to receive 500mg of pregnenolone (PREG) daily.

Drug: Pregnenolone500

placebo

PLACEBO COMPARATOR

Patients randomly assigned to receive a placebo daily.

Drug: Placebo

Interventions

300mg

patients receiving 300mg PREG

500mg

patients receiving 500mg PREG

placebo

placebo

Eligibility Criteria

Age18 Years - 68 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Male or female individuals, ages 18 to 68.
  • Subjects must meet current Diagnostic and Statistical Manual of Mental Disorders 5th edition (DSM-V) criteria for alcohol use disorder; documented positive urine toxicology screen for alcohol at intake or collateral information from family members, significant others, room-mates etc., on recent use.
  • Subject has voluntarily given informed consent and signed the informed consent document.
  • Able to read English and complete study evaluations.

You may not qualify if:

  • Women who are pregnant, or nursing or are of childbearing potential and not practicing an effective means of birth control.
  • Meet current criteria for use disorder on another psychoactive substance, such as, heroin, amphetamines, hallucinogens/Phencyclidine (PCP), excluding alcohol and nicotine.
  • Any current use of opiates or past history of opiate use disorder (assessed via urine toxicology and self report).
  • Current use of any psychoactive drugs (urine toxicology), including anxiolytics, naltrexone or antabuse.
  • Any psychotic disorder or current Axis I psychiatric symptoms requiring specific attention.
  • Significant underlying medical conditions such as cerebral, renal, thyroid or cardiac pathology which in the opinion of study physician would preclude patient from fully cooperating or be of potential harm during the course of the study.
  • Hypotensive individuals with sitting blood pressure below 90/50 mmHG.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

The Yale Stress Center: Yale University

New Haven, Connecticut, 06519, United States

Location

Yale Stress Center

New Haven, Connecticut, 06519, United States

Location

MeSH Terms

Conditions

Alcoholism

Condition Hierarchy (Ancestors)

Alcohol-Related DisordersSubstance-Related DisordersChemically-Induced DisordersMental Disorders

Results Point of Contact

Title
Nia Fogelman
Organization
Yale University

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Double-blinded
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Randomized Double-blind, placebo-controlled, parallel design
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 1, 2019

First Posted

March 13, 2019

Study Start

September 27, 2018

Primary Completion

November 1, 2022

Study Completion

August 1, 2023

Last Updated

February 5, 2024

Results First Posted

December 15, 2023

Record last verified: 2024-02

Locations