NCT06855797

Brief Summary

Introduction: It is estimated that by 2025 there will be approximately 1.2 billion people above 60 years old. Global projections indicate that by 2050 there will be about 2 billion elders, 80% of them living in developing countries. Researches on the relationship between pain and aging are currently much valued within the health sciences, the ultimate goal being the provision of adequate pain control for the growing number of elders in society. Objectives: To characterize chronic pain in the elderly population and evaluate pain threshold to mechanical stimulation, with emphasis on gender differences. Methods: This study refers to a cross-sectional study to be conducted in convenience samples of a primary care unit (Geraldo Horacio de Paula Souza) that follows elders and the Department of Geriatrics of the university hospital of the School of Medicine of Universidade de São Paulo (Hospital das Clínicas). At least 200 participants of each gender, aged 65 or above, will be selected to participate. Chronic pain will be that lasting for six or more months (either continuous or recurrent, as recommended by the International Association For the Study of Pain). Participants will be searched about their demographic and socioeconomic backgrounds, and asked to answer the following questionnaires: the Mini Mental State Examination, a structured questionnaire for activities of daily living, a structured questionnaire for instrumental activities of daily living, Beck Anxiety Inventory, Geriatric Depression Scale, the five dimensions European Quality of Life assessment (EQ5D) and Brief Pain Inventory. Participants will also be evaluated regarding pain threshold to mechanical stimuli using algometer. Descriptive statistics of the sample will be displayed as means, medians, standard deviations and proportions. For testing for differences between males and females, a significance level of 5% will be used. Keywords: elderly, chronic pain, gender.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
474

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jul 2017

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

Study Start

First participant enrolled

July 5, 2017

Completed
5 days until next milestone

First Submitted

Initial submission to the registry

July 10, 2017

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 10, 2019

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

July 10, 2020

Completed
4.7 years until next milestone

First Posted

Study publicly available on registry

March 4, 2025

Completed
Last Updated

March 4, 2025

Status Verified

July 1, 2017

Enrollment Period

2 years

First QC Date

July 10, 2017

Last Update Submit

February 27, 2025

Conditions

Outcome Measures

Primary Outcomes (3)

  • Sensitivity to pressure pain 5 minutes post recruitment

    Pain evaluation throught algometer 5 minutes post recruitment

    applied minutes 5 after recruitment of the subject.

  • Sensitivity to pressure pain 10 minutes post recruitment

    Pain evaluation throught algometer 10 minutes post recruitment

    applied minutes 10 after recruitment of the subject.

  • Sensitivity to pressure pain 15 minutes post recruitment

    Pain evaluation throught algometer 15 minutes post recruitment

    applied minutes 15 after recruitment of the subject.

Secondary Outcomes (1)

  • Mini Mental State Examination

    applied in beginning of the interview

Study Arms (2)

Male

Male, patients

Other: Observation

Female

Female patients

Other: Observation

Interventions

questionnaire

FemaleMale

Eligibility Criteria

Age60 Years+
Sexall(Gender-based eligibility)
Gender Eligibility DetailsSelf representation
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Patient of the geriatrics clinic at the Central Institute (IC) of the Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (HCFMUSP) or the Geraldo Horácio de Paula Souza School of Public Health Center of the University of São Paulo

You may qualify if:

  • Patient of the geriatrics clinic at the Central Institute (IC) of the Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (HCFMUSP) or the Geraldo Horácio de Paula Souza School of Public Health Center of the University of São Paulo
  • Be over 65 years old
  • Accept study participation
  • Have read, understood, agreed and signed the TCLE

You may not qualify if:

  • Cognitive difficulty in understanding and responding to research questions
  • Do not accept participation in the study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Universidade de Sao Paulo

São Paulo, São Paulo, 01239-011, Brazil

Location

Related Publications (5)

  • Valkenburg HA. Epidemiologic considerations of the geriatric population. Gerontology. 1988;34 Suppl 1:2-10. doi: 10.1159/000212980.

    PMID: 3266492BACKGROUND
  • Chesterton LS, Barlas P, Foster NE, Baxter DG, Wright CC. Gender differences in pressure pain threshold in healthy humans. Pain. 2003 Feb;101(3):259-266. doi: 10.1016/S0304-3959(02)00330-5.

    PMID: 12583868BACKGROUND
  • Riley JL 3rd, Robinson ME, Wise EA, Myers CD, Fillingim RB. Sex differences in the perception of noxious experimental stimuli: a meta-analysis. Pain. 1998 Feb;74(2-3):181-7. doi: 10.1016/s0304-3959(97)00199-1.

    PMID: 9520232BACKGROUND
  • Bartley EJ, Fillingim RB. Sex differences in pain: a brief review of clinical and experimental findings. Br J Anaesth. 2013 Jul;111(1):52-8. doi: 10.1093/bja/aet127.

    PMID: 23794645BACKGROUND
  • Peat G, Thomas E, Handy J, Croft P. Social networks and pain interference with daily activities in middle and old age. Pain. 2004 Dec;112(3):397-405. doi: 10.1016/j.pain.2004.09.029.

    PMID: 15561396BACKGROUND

MeSH Terms

Conditions

Chronic PainCoitus

Interventions

Observation

Condition Hierarchy (Ancestors)

PainNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and SymptomsSexual BehaviorBehavior

Intervention Hierarchy (Ancestors)

MethodsInvestigative Techniques

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
CROSS SECTIONAL
Target Duration
1 Day
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 10, 2017

First Posted

March 4, 2025

Study Start

July 5, 2017

Primary Completion

July 10, 2019

Study Completion

July 10, 2020

Last Updated

March 4, 2025

Record last verified: 2017-07

Data Sharing

IPD Sharing
Will not share

Locations