NCT02127736

Brief Summary

The purpose of this study is to evaluate whether an Amitriptylin induced change in sleep patterns can be conditioned according to learning theory in healthy participants.

Trial Health

80
On Track

Trial Health Score

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

Geographic Reach
1 country

1 active site

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

First Submitted

Initial submission to the registry

April 29, 2014

Completed
2 days until next milestone

First Posted

Study publicly available on registry

May 1, 2014

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2014

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2014

Completed
Last Updated

September 3, 2014

Status Verified

September 1, 2014

First QC Date

April 29, 2014

Last Update Submit

September 1, 2014

Conditions

Outcome Measures

Primary Outcomes (2)

  • Objective Total Sleep Time

    assessed by polysomnography

    5 nights during the study

  • Percentage of rapid eye movement (REM) sleep

    assessed by polysomnography

    5 nights during the study

Study Arms (2)

Experimental group

EXPERIMENTAL
Drug: AmitriptylineDrug: Placebo

Control group

PLACEBO COMPARATOR
Drug: Placebo

Interventions

Experimental group
Control groupExperimental group

Eligibility Criteria

Age18 Years - 69 Years
Sexall
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • age between 18 years to 69 years
  • willingness to refrain from alcohol consumption throughout the study
  • regular sleeping habits
  • fluent in German language
  • is not dependent on driving to get to the study center
  • provide written informed consent
  • ability to understand the explanations and instructions given by the study physician and the investigator

You may not qualify if:

  • Contraindications to study medication intake according to the information sheet for health professionals (Summary of medicinal Product Characteristics, SmPC) assessed by physical examination (including ECG) and medical history
  • allergies to amitriptyline hydrochloride or any of its ingredients
  • acute intoxication with alcohol, analgetics, hypnotics or any other psychotropic drug
  • urinary retention
  • delirium
  • untreated closed-angle glaucoma
  • prostatic hyperplasia
  • pyloric stenosis
  • paralytic ileus
  • suicidal thoughts
  • liver/ kidney/ pulmonary insufficiency
  • myasthenia gravis
  • hypokalemia
  • bradycardia
  • coronary heart disease, cardiac arrhythmias, long QT syndrome or other clinically relevant cardiac disorders
  • +9 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Psychology, Philipps University Marburg

Marburg, Hesse, 35032, Germany

Location

Related Publications (1)

  • Rheker J, Rief W, Doering BK, Winkler A. Assessment of adverse events in clinical drug trials: Identifying amitriptyline's placebo- and baseline-controlled side effects. Exp Clin Psychopharmacol. 2018 Jun;26(3):320-326. doi: 10.1037/pha0000194.

MeSH Terms

Interventions

Amitriptyline

Intervention Hierarchy (Ancestors)

DibenzocycloheptenesBenzocycloheptenesPolycyclic Aromatic HydrocarbonsHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsPolycyclic Compounds

Study Design

Study Type
interventional
Phase
not applicable
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Prof. Dr. Winfried Rief

Study Record Dates

First Submitted

April 29, 2014

First Posted

May 1, 2014

Primary Completion

September 1, 2014

Study Completion

September 1, 2014

Last Updated

September 3, 2014

Record last verified: 2014-09

Locations