NCT03709238

Brief Summary

The study investigates pain processing and pain reporting in patients with Alzheimers disease compared to healthy participants. Employing a within-subject design, the study includes patients with Alzheimers disease and healthy participants that are exposed to thermal stimuli. During the test session the facial expressions of the participant are video recorded. By repeating this on separate test days, the involvement of pain relief and pain increase is investigated.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
47

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Jan 2019

Typical duration for all trials

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

September 3, 2018

Completed
1 month until next milestone

First Posted

Study publicly available on registry

October 17, 2018

Completed
3 months until next milestone

Study Start

First participant enrolled

January 3, 2019

Completed
2.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 31, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 31, 2021

Completed
Last Updated

March 31, 2022

Status Verified

May 1, 2021

Enrollment Period

2.7 years

First QC Date

September 3, 2018

Last Update Submit

March 30, 2022

Conditions

Keywords

PainAlzheimers disease

Outcome Measures

Primary Outcomes (1)

  • Numerical rating scale (NRS)

    Acute pain assessed on numerical rating scale from 0 (no pain experience) to 10 (worst pain), examining pain intensity. The participant will provide a number on the scale which reflects their pain intensity.

    Participants will be tested on three different days. The numerical rating scale will be applied after each thermal stimulus for each test session.

Secondary Outcomes (1)

  • Pain Assessment in persons with Impaired Cognition (PAIC)

    Participants will be video recorded on each of the three test days during testing.

Study Arms (2)

Alzheimers diseased patients

Behavioral: Different thermal stimulation. Recording of facial expression during thermal stimulation.

Behavioral: Thermal stimulation

Healthy participants

Behavioral: Different thermal stimulation. Recording of facial expression during thermal stimulation.

Behavioral: Thermal stimulation

Interventions

Thermal stimulation

Alzheimers diseased patientsHealthy participants

Eligibility Criteria

Age50 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

1. Patients with Alzheimers disease 2. Healthy participants

You may qualify if:

  • Mild to moderate patients with Alzheimers disease (group 1)
  • Healthy participants ( group 2)

You may not qualify if:

  • Chronic pain conditions
  • Other medical, psychiatric or neurological disorders
  • Use of pain-reliving medication 24 hours prior to testing

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Psychology and Behavioural Sciences

Aarhus, Central Jutland, 8000, Denmark

Location

Related Publications (1)

  • Matthiesen ST, Sieg M, Andersen SS, Amanzio M, Finnerup NB, Jensen TS, Gottrup H, Vase L. Placebo analgesia and nocebo hyperalgesia in patients with Alzheimer disease and healthy participants. Pain. 2024 Feb 1;165(2):440-449. doi: 10.1097/j.pain.0000000000003035. Epub 2023 Sep 8.

MeSH Terms

Conditions

PainAlzheimer Disease

Condition Hierarchy (Ancestors)

Neurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and SymptomsDementiaBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesTauopathiesNeurodegenerative DiseasesNeurocognitive DisordersMental Disorders

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 3, 2018

First Posted

October 17, 2018

Study Start

January 3, 2019

Primary Completion

August 31, 2021

Study Completion

August 31, 2021

Last Updated

March 31, 2022

Record last verified: 2021-05

Data Sharing

IPD Sharing
Will not share

Locations