NCT03768544

Brief Summary

Few older adults receive treatment for Generalized Anxiety Disorder (GAD) despite a high prevalence in this population and significant associated health care costs. Although older adults generally prefer psychotherapy to medication for help with anxiety, face-to-face psychotherapy is difficult to access for many of them. Psychological guided self-help (GSH), which patients use by themselves at home under the supervision of a licensed mental health provider (e.g., psychologist), has been shown to be effective. However, the capacity of our health care system to respond adequately to the mental health needs of seniors has been questioned and cost-effective solutions are required. Because the therapist's role in GSH is limited to supporting the patient, it is conceivable that this role could be assumed by trained and supervised lay providers (LP) instead of licensed providers. If this approach is effective, it could help provide many older adults with much needed mental health treatment at a lower cost. The main objective of this project is to evaluate the effectiveness of GSH guided by LP for GAD in older adults. Participants will be assigned randomly to an experimental group, which will receive treatment immediately, or to a control group whose treatment will be delayed. Data will be obtained through clinician evaluations and self-assessment questionnaires. They will include socio-demographic characteristics, symptoms of GAD, variables related to anxiety, such as depression and sleep difficulties, and participants' perception of treatment. For the experimental group, data collection will take place at four different times: before treatment begins, after treatment ends, and at 6 and 12 months after the end of treatment. Control group participants will be assessed on three occasions: before and after the waiting period and after receiving treatment. The efficacy of GSH will be established by comparing the change in the two groups on the main variables. We will also identify the characteristics of patients associated with improvement during treatment and document their perception of treatment.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
150

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Mar 2019

Longer than P75 for not_applicable

Geographic Reach
1 country

3 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

First Submitted

Initial submission to the registry

November 21, 2018

Completed
16 days until next milestone

First Posted

Study publicly available on registry

December 7, 2018

Completed
3 months until next milestone

Study Start

First participant enrolled

March 11, 2019

Completed
4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 24, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 24, 2023

Completed
Last Updated

October 4, 2023

Status Verified

October 1, 2023

Enrollment Period

4 years

First QC Date

November 21, 2018

Last Update Submit

October 2, 2023

Conditions

Keywords

generalized anxiety disorderolder adultpsychological treatmentrandomized controlled trial

Outcome Measures

Primary Outcomes (2)

  • Change in Penn State Worry Questionnaire

    16 items rated on a scale ranging from 1 to 5. A higher total score indicates a greater tendency to worry.

    Baseline, post treatment (15 weeks), 6 months and 12 months follow-up.

  • Change in GAD-7

    7 items answered on a scale ranging from 0 to 3. A higher total score suggests greater severity.

    Baseline, post treatment (15 weeks), 6 months and 12 months follow-up.

Secondary Outcomes (10)

  • Change in Intolerance to Uncertainty Inventory

    Baseline, post treatment (15 weeks), 6 months and 12 months follow-up.

  • Change in Negative Problem Orientation Questionnaire

    Baseline, post treatment (15 weeks), 6 months and 12 months follow-up.

  • Change in Cognitive Avoidance Questionnaire

    Baseline, post treatment (15 weeks), 6 months and 12 months follow-up.

  • Change in Why Worry Questionnaire

    Baseline, post treatment (15 weeks), 6 months and 12 months follow-up.

  • Change in Geriatric Anxiety Inventory

    Baseline, post treatment (15 weeks), 6 months and 12 months follow-up.

  • +5 more secondary outcomes

Other Outcomes (3)

  • Evaluation of treatment by participants

    Post treatment (15 weeks)

  • Questionnaire of behavioral manifestations linked to anxiety

    Baseline, post treatment (15 weeks), 6 months and 12 months follow-up.

  • Nine items relating to COVID-19

    Baseline, post treatment (15 weeks), 6 months and 12 months follow-up.

Study Arms (2)

Self-help guided by a lay provider

EXPERIMENTAL
Behavioral: Self-help guided by a lay provider

Waiting list where participants wait for delayed treatment

OTHER
Behavioral: Self-help guided by a lay providerBehavioral: Waiting list where participants wait for delayed treatment

Interventions

Self-help based on the principles of cognitive-behavioral therapy and guided by a lay provider. Treatment lasts 15 weeks, is based on a participant's manual, and consists of relaxation, differentiation of the main types of worries, learning to tolerate uncertainty, questioning false beliefs about worries, problem solving, cognitive exposure, and planning pleasant activities. Weekly telephone sessions with the lay provider serve to provide support.

Self-help guided by a lay providerWaiting list where participants wait for delayed treatment

Participants have a 15-week wait period during which they receive a 15-minute telephone call from the local professional research assistant on three occasions separated by four-week intervals. The purpose of these calls is to encourage the participant to persevere until the start of treatment and to identify potential negative effects that could be associated with the waiting period. Participants receive self-help guided by a lay provider after the waiting period.

Waiting list where participants wait for delayed treatment

Eligibility Criteria

Age60 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • years of age or older
  • meet at least criteria for subthreshold GAD at screening based on items of the Worry and Anxiety Questionnaire
  • meet DSM-5 criteria for primary threshold or subthreshold GAD
  • be able to read and speak French and to use the telephone without difficulty
  • if an anxiety medication is used, commit to maintaining the type of medication or dose during eight weeks prior to treatment and during the protocol.

You may not qualify if:

  • a disabling physical disorder that is not adequately controlled (e.g., acute heart disease, recent stroke)
  • the presence of a substance use disorder
  • presenting a bipolar disorder or symptoms of a psychotic disorder
  • having significant cognitive impairment (score of less than 22 on the Telephone version of the Mini-Mental State Examination)
  • currently receiving or having received psychotherapy for anxiety over the last six months.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Centre de recherche de l'Institut universitaire de gériatrie de Montréal

Montreal, Quebec, H3W 1W4, Canada

Location

École de psychologie, Université Laval

Québec, Quebec, G1V 0A6, Canada

Location

Département de psychologie, Université de Sherbrooke

Sherbrooke, Quebec, J1K 2R1, Canada

Location

Related Publications (1)

  • Landreville P, Gosselin P, Grenier S, Carmichael PH. Self-help guided by trained lay providers for generalized anxiety disorder in older adults: study protocol for a randomized controlled trial. BMC Geriatr. 2021 May 22;21(1):324. doi: 10.1186/s12877-021-02221-x.

MeSH Terms

Conditions

Generalized Anxiety Disorder

Interventions

Treatment Delay

Condition Hierarchy (Ancestors)

Anxiety DisordersMental Disorders

Intervention Hierarchy (Ancestors)

Time-to-TreatmentPatient CareTherapeuticsHealth ServicesHealth Care Facilities Workforce and Services

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Full professor

Study Record Dates

First Submitted

November 21, 2018

First Posted

December 7, 2018

Study Start

March 11, 2019

Primary Completion

February 24, 2023

Study Completion

February 24, 2023

Last Updated

October 4, 2023

Record last verified: 2023-10

Data Sharing

IPD Sharing
Will not share

Locations