NCT02002143

Brief Summary

Type 2 diabetes is a major problem of older people; its prevalence is greater than 20% in those aged over 65 years. Treatment such as medication, healthy nutritional choices \& body weight management, as well as physical activity can reduce the impact of diabetes. Older patients with type 2 diabetes can potentially benefit from Group Appointments, in which 8-12 patients share one appointment of about 60-120 minutes with a team of health professionals. The team of investigators (3 people) will see the 'Group' 4 times/yr for two years. Their key measure of success will be control of glycosylated hemoglobin - HbA1C. To address their primary and secondary research objectives the investigators will focus upon patients aged 65 years or older who have T2DM and who are being treated with oral hypoglycemic agents and diet, or diet alone. The investigators will compare patients randomized to (A) eight Group Appointments over a 24 month period (i.e., 4 per year), led by a primary care physician \[Intervention\] with, (B) patients randomized to eight traditional one-to-one usual care appointments also provided by a primary care physician (Individual Appointment; \[Control\]). The investigators will compare (A) and (B) on selected clinical, patient-rated, and economic outcome measures. SIGNIFICANCE: Seven Canadian provinces already have Group Appointment billing codes for physicians who lead Group Appointments. If the study's proposed health care innovation demonstrates benefits, it would be possible to 'roll out' / 'scale up' the model province- or nation-wide in Primary Care settings.

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
128

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Jan 2014

Longer than P75 for not_applicable

Geographic Reach
1 country

2 active sites

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

First Submitted

Initial submission to the registry

November 28, 2013

Completed
7 days until next milestone

First Posted

Study publicly available on registry

December 5, 2013

Completed
27 days until next milestone

Study Start

First participant enrolled

January 1, 2014

Completed
5.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2019

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2020

Completed
Last Updated

November 22, 2017

Status Verified

November 1, 2017

Enrollment Period

5.1 years

First QC Date

November 28, 2013

Last Update Submit

November 20, 2017

Conditions

Keywords

DiabetesOlder PeopleSeniorsGroup AppointmentsGroup Medical VisitsShared AppointmentsQuality of LifePhysical ActivityHealth care UtilizationDepressionAnxiety

Outcome Measures

Primary Outcomes (1)

  • Patients' control (decreased levels) of HemoglobinA1C (clinical)

    The investigators will measure Hemoglobin A1C (%, primary outcome), utilizing the phlebotomy unit in the CHHM Mobile Lab to collect a non-fasting blood sample (standard techniques). They will request that study participants not engage in any physical activity, or consume alcohol/caffeine 24 hours prior to measurement. Collected samples will be refrigerated in the Mobile Lab and transported the same day to the Vancouver General Hospital Pathology Lab for analysis as per current standard methods.

    Changes from baseline at 24 months

Secondary Outcomes (60)

  • Resting systolic blood pressure (mmHg)) (clinical)

    Changes from baseline at 12 months

  • Resting systolic blood pressure (mmHg)) (clinical)

    Changes from baseline at 24 months

  • Resting systolic blood pressure (mmHg)) (clinical)

    Changes from baseline at 36 months (1-year post-intervention)

  • Resting diastolic blood pressure (mmHg)) (clinical)

    Changes from baseline at 12 months

  • Resting diastolic blood pressure (mmHg)) (clinical)

    Changes from baseline at 24 months

  • +55 more secondary outcomes

Study Arms (2)

Individual Appointments (IAs)

ACTIVE COMPARATOR

Participants randomly assigned to the "IAs" group will receive eight traditional 1-to-1 appointments, seeing their physician quarterly as per standard care in BC. They will be referred to ancillary services such as nutrition advice, counseling, and physical activity promotion according to 'usual care' practice. In addition, we will organize 4 1-hour social events for these participants annually. The 4 social events will be 1) a potluck lunch; 2) a movie night; 3) an event chosen by participants; and 4) a talent show. From our experience, these events enhance compliance to reporting and minimize dropouts. These events also serve to minimize 'socialization bias' that may otherwise potentially influence health measures including quality of life.

Behavioral: Individual Appointments (IAs)

Group Appointments (GAs)

EXPERIMENTAL

Participants randomly assigned to the intervention group will participate in GAs of 8 patients for 1.5 hours, every 3 months for 2 years. The 3-member Care Team (MD, nurse, behaviorist) will attend each session. The nurse facilitates the session and curriculum. The MD responds to specific health questions. Patients may schedule time before or after to review their clinical results with the MD/nurse (e.g. HbAIC). Key elements include 1) completed pre-appt questionnaires used to identify a patient's educational needs; 2) patients use goal setting and action plans to initiate and maintain healthy behaviors; 3) each class has a designated purpose and learning objectives; 4) sessional feedback, which is used to adapt the next class (3 months later) based on patient needs.

Behavioral: Group Appointments

Interventions

Participants randomly assigned to the intervention group will participate in GAs of 8 patients for 1.5 hours, every 3 months for 2 years. The 3-member Care Team (MD, nurse, behaviorist) will attend each session. The nurse facilitates the session and curriculum. The MD responds to specific health questions. Patients may schedule time before or after to review their clinical results with the MD/nurse (e.g. HbAIC). Key elements include 1) completed pre-appt questionnaires used to identify a patient's educational needs; 2) patients use goal setting and action plans to initiate and maintain healthy behaviors; 3) each class has a designated purpose and learning objectives; 4) sessional feedback, which is used to adapt the next class (3 months later) based on patient needs.

Also known as: Shared Appointments, Group Medical Visits
Group Appointments (GAs)

Participants randomly assigned to the "IAs" group will receive eight traditional 1-to-1 appointments, seeing their physician quarterly as per standard care in BC. They will be referred to ancillary services such as nutrition advice, counseling, and physical activity promotion according to 'usual care' practice. In addition, we will organize 4 1-hour social events for these participants annually. The 4 social events will be 1) a potluck lunch; 2) a movie night; 3) an event chosen by participants; and 4) a talent show. From our experience, these events enhance compliance to reporting and minimize dropouts. These events also serve to minimize 'socialization bias' that may otherwise potentially influence health measures including quality of life.

Individual Appointments (IAs)

Eligibility Criteria

Age65 Years+
Sexall
Healthy VolunteersYes
Age GroupsOlder Adult (65+)

You may qualify if:

  • aged ≥ 65 years old;
  • have at least a 12-month history of T2DM based on the Canadian Diabetes Guidelines;
  • be community-dwelling;
  • live within 30km of their GP clinic in Abbotsford, BC (Canada);
  • able to comply with scheduled visits, treatment plan, and other trial procedures;
  • read, write, and speak English;
  • acceptable auditory acuity to participate in the Group Appointments and visual acuity to participate in the research;
  • provide a personally signed and dated informed consent;
  • able to walk independently;

You may not qualify if:

  • using insulin to treat diabetes to increase the homogeneity of the sample;
  • at high risk for cardiac complications during exercise and/or unable to self-regulate activity or to understand recommended activity level (i.e., Class C of the American Heart Risk Stratification Criteria);
  • Mini-Mental State Examination (MMSE)\[51\] score of ≤ 24 at screening;
  • have clinically significant peripheral neuropathy or severe musculoskeletal or joint disease that impairs mobility;
  • taking medications that may negatively affect the ability to undertake a simple walking program safely (e.g. beta blockers);
  • planning to participate, or already enrolled in, a clinical drug trial concurrent to this study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Gateway Clinic / Kent Place Clinic

Abbotsford, British Columbia, V2S 3N5, Canada

RECRUITING

Centre for Hip Health and Mobility (Vancouver Coastal Health Research Institute/University of British Columbia)

Vancouver, British Columbia, V5Z 1M9, Canada

RECRUITING

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  • Marra CA, Cibere J, Grubisic M, Grindrod KA, Gastonguay L, Thomas JM, Embley P, Colley L, Tsuyuki RT, Khan KM, Esdaile JM. Pharmacist-initiated intervention trial in osteoarthritis: a multidisciplinary intervention for knee osteoarthritis. Arthritis Care Res (Hoboken). 2012 Dec;64(12):1837-45. doi: 10.1002/acr.21763.

    PMID: 22930542BACKGROUND
  • Woolcott JC, Khan KM, Mitrovic S, Anis AH, Marra CA. The cost of fall related presentations to the ED: a prospective, in-person, patient-tracking analysis of health resource utilization. Osteoporos Int. 2012 May;23(5):1513-9. doi: 10.1007/s00198-011-1764-1. Epub 2011 Sep 3.

    PMID: 21892675BACKGROUND
  • Woolcott JC, Richardson KJ, Wiens MO, Patel B, Marin J, Khan KM, Marra CA. Meta-analysis of the impact of 9 medication classes on falls in elderly persons. Arch Intern Med. 2009 Nov 23;169(21):1952-60. doi: 10.1001/archinternmed.2009.357.

    PMID: 19933955BACKGROUND
  • Guimaraes C, Marra CA, Colley L, Gill S, Simpson S, Meneilly G, Queiroz RH, Lynd LD. Socioeconomic differences in preferences and willingness-to-pay for insulin delivery systems in type 1 and type 2 diabetes. Diabetes Technol Ther. 2009 Sep;11(9):567-73. doi: 10.1089/dia.2009.0034.

    PMID: 19764835BACKGROUND
  • Guimaraes C, Marra CA, Colley L, Gill S, Simpson SH, Meneilly GS, Queiroz RH, Lynd LD. A valuation of patients' willingness-to-pay for insulin delivery in diabetes. Int J Technol Assess Health Care. 2009 Jul;25(3):359-66. doi: 10.1017/S0266462309990055.

    PMID: 19619355BACKGROUND
  • Kroenke K, Spitzer RL, Williams JB, Monahan PO, Lowe B. Anxiety disorders in primary care: prevalence, impairment, comorbidity, and detection. Ann Intern Med. 2007 Mar 6;146(5):317-25. doi: 10.7326/0003-4819-146-5-200703060-00004.

    PMID: 17339617BACKGROUND
  • Sims Gould J, Tong C, Ly J, Vazirian S, Windt A, Khan K. Process evaluation of team-based care in people aged >65 years with type 2 diabetes mellitus. BMJ Open. 2019 Aug 2;9(8):e029965. doi: 10.1136/bmjopen-2019-029965.

  • Khan KM, Windt A, Davis JC, Dawes M, Liu-Ambrose T, Madden K, Marra CA, Housden L, Hoppmann C, Adams DJ. Group Medical Visits (GMVs) in primary care: an RCT of group-based versus individual appointments to reduce HbA1c in older people. BMJ Open. 2015 Jul 13;5(7):e007441. doi: 10.1136/bmjopen-2014-007441.

MeSH Terms

Conditions

Diabetes Mellitus, Type 2Diabetes MellitusMotor ActivityPatient Acceptance of Health CareDepressionAnxiety Disorders

Interventions

Shared Medical Appointments

Condition Hierarchy (Ancestors)

Glucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System DiseasesBehaviorTreatment Adherence and ComplianceHealth BehaviorBehavioral SymptomsMental Disorders

Intervention Hierarchy (Ancestors)

Patient CareTherapeuticsAppointments and SchedulesOrganization and AdministrationHealth Services AdministrationPractice Management, MedicalPractice ManagementProfessional Practice

Study Officials

  • Karim Miran-Khan, MD, PhD, MBA

    Centre for Hip Health and Mobility (University of British Columbia)

    PRINCIPAL INVESTIGATOR
  • Jennifer Davis, PhD

    UBC Department of Population & Public Health

    STUDY DIRECTOR
  • Martin Dawes, MB.BS, MD

    UBC Department of Family Practice

    STUDY DIRECTOR
  • Christiane Hoppmann, PhD

    UBC Psychology Department

    STUDY DIRECTOR
  • Teresa Liu-Ambrose, PhD, PT

    UBC Department of Physical Therapy

    STUDY DIRECTOR
  • Ken Madden, MD

    UBC Department of Medicine (Geriatric Medicine)

    STUDY DIRECTOR
  • Carlo Marra, Pharm.D, PhD

    UBC Faculty of Pharmaceutical Sciences

    STUDY DIRECTOR
  • Adriaan Windt, MD

    UBC Department of Family Practice

    STUDY DIRECTOR
  • Laura Housden, MN-NP(F)

    UBC School of Nursing

    STUDY DIRECTOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

November 28, 2013

First Posted

December 5, 2013

Study Start

January 1, 2014

Primary Completion

February 1, 2019

Study Completion

February 1, 2020

Last Updated

November 22, 2017

Record last verified: 2017-11

Locations