NCT01949753

Brief Summary

Characterization of the influence of pregnenolone vs. placebo on subjective distress and autonomic functioning during cognitive-behavioral exposure therapy in patients with obsessive-compulsive disorder.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
60

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started Sep 2013

Longer than P75 for phase_2

Geographic Reach
1 country

1 active site

Status
unknown

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 1, 2013

Completed
19 days until next milestone

First Submitted

Initial submission to the registry

September 20, 2013

Completed
4 days until next milestone

First Posted

Study publicly available on registry

September 24, 2013

Completed
4.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2017

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2018

Completed
Last Updated

August 3, 2017

Status Verified

August 1, 2017

Enrollment Period

4.3 years

First QC Date

September 20, 2013

Last Update Submit

August 2, 2017

Conditions

Keywords

Obsessive-compulsive disorder (OCD)Exposure therapyExtinction learningPregnenolone

Outcome Measures

Primary Outcomes (1)

  • Subjective units of distress (SUD)

    During exposure therapy

Secondary Outcomes (1)

  • Low/high frequency index of heart rate variability (L/HFI)

    During exposure therapy

Other Outcomes (1)

  • Salivary cortisol, noradrenaline, pregnenolone; heart rate, blood pressure

    During exposure therapy

Study Arms (2)

Nutritional supplement Pregnenolone

EXPERIMENTAL

Exposure therapy, exposure with response prevention and pharmacological facilitation (nutritional supplement pregnenolone), orally two hours before exposure therapy.

Behavioral: Exposure therapy with pharmacological facilitation

Placebo

PLACEBO COMPARATOR

Exposure therapy, exposure with response prevention without pharmacological facilitation (Placebo), orally two hours before exposure therapy.

Behavioral: Exposure therapy

Interventions

Exposure with response prevention and pharmacological facilitation

Nutritional supplement Pregnenolone

Exposure with response prevention without pharmacological facilitation

Placebo

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • OCD according to DSM-IV criteria.

You may not qualify if:

  • Acute suicidality
  • psychotic disorders,
  • bipolar disorder
  • substance dependency
  • organic brain disorder
  • pregnancy
  • lactation
  • tuberculosis
  • gastric/duodenal ulcer
  • diabetes mellitus
  • acute inflammation
  • autoimmune disorders
  • arterial hypertension
  • therapy with glucocorticoids (up to 4 weeks ago)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University Hospital Hamburg-Eppendorf

Hamburg, Germany

RECRUITING

MeSH Terms

Conditions

Obsessive-Compulsive Disorder

Interventions

Implosive Therapy

Condition Hierarchy (Ancestors)

Anxiety DisordersMental Disorders

Intervention Hierarchy (Ancestors)

Desensitization, PsychologicBehavior TherapyPsychotherapyBehavioral Disciplines and Activities

Study Officials

  • Michael Kellner, MD, PhD

    Universitätsklinikum Hamburg-Eppendorf

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Michael Kellner, MD, PhD

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 20, 2013

First Posted

September 24, 2013

Study Start

September 1, 2013

Primary Completion

December 1, 2017

Study Completion

December 1, 2018

Last Updated

August 3, 2017

Record last verified: 2017-08

Locations