Balancing Treatment Outcomes and Medication Burden Among Patients With Symptomatic Diabetic Peripheral Neuropathy

May 16, 2018 updated by: Kaiser Permanente

Painful diabetic peripheral neuropathy (DPN) affects more than 5.5 million people with diabetes. People with painful DPN have trouble sleeping, participating in social events, and conducting daily activities such as going to the store. Several prescription medications are available for the treatment of DPN symptoms, but none work perfectly and all have side effects that may be difficult for some patients.

When patients report their symptoms and side effects to their doctor, they provide the doctor with important information to help them make adjustments to treatment that will help with symptoms and that the patient can tolerate in terms of side effects. In some cases, doctors may encourage patients to make these changes on their own at home based on their experience with therapy. However, patients may have a long time between visits to their doctor and may have trouble describing their symptoms to their doctor during a brief 10 to 15 minute visit.

This clinical trial explores the possibility of computerized telephone calls to patients (Interactive Voice Response, IVR, technology) to gather information about treatment experiences that can then be reported to the doctor or used to guide patients to make changes in how they take the medication. It addresses the following question: Can routinely asking patients about their experiences with medications and using that information to encourage clinically appropriate titration improve patient quality of life?

The investigators hypothesize that systematic collection and feedback of information about DPN treatment preferences and experience from newly treated patients to their primary care physician will facilitate treatment changes that improve patient outcomes

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Among newly-treated Diabetic Peripheral Neuropathy (DPN) patients, the investigators will compare the systematic collection and feedback of information about patients' treatment experiences on changes in quality of life (intervention group) to newly treated DPN patients in usual care who will receive generic educational messages by phone but no active data collection and feedback (comparator group). The investigators have chosen usual care as the control to evaluate the potential for the intervention to enhance current practice.

Aim 1: Refine and pilot test instruments for collecting the patient-reported data most important for guiding changes in treatment.

Aim 2: Implement a seven-month cluster randomized trial to improve quality of life among patients newly treated for DPN symptoms by collecting data on patient treatment experiences and facilitating evidence-based patient and provider-initiated treatment titration.

Aim 3: Examine patient and physician initiated treatment changes as secondary outcomes in order to inform the development of this type of rapid feedback process for guiding decision making about initial treatment selection among patients with DPN.

Study Type

Interventional

Enrollment (Actual)

1270

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • California
      • Oakland, California, United States, 94612
        • Division of Research Kaiser Permanente

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • All patients newly prescribed medication to treat diabetic peripheral neuropathy symptoms.

Exclusion Criteria:

  • Patients with any evidence of use of diabetic peripheral neuropathy study medications.
  • Patients with evidence of gestational diabetes (ICD-9: 648.8) due to variation in treatment and monitoring for women who are pregnant.
  • Patients who simultaneously received a new diagnosis for depression or seizure conditions

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Supportive Care
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: IVR Intervention Group
Participants will receive 3 interactive voice response (IVR) calls (2nd, 4th, and 6th month post-treatment start date) to collect information on medication use, side effects, rating of side effects, and pain symptoms to be fed back to their physicians.
Behavioral: IVR Intervention Group
Participants will receive 3 interactive voice response (IVR) calls (2nd, 4th, and 6th month post-treatment start date) to collect information on medication use, side effects, rating of side effects, and pain symptoms to be fed back to their physicians.
No Intervention: IVR Control Group
Participants will receive 3 non-interactive voice response (IVR) calls (2nd, 4th, and 6th month post-treatment start date) containing general messages regarding diabetic education.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change in Patient Quality of Life at Baseline and 8 Months
Time Frame: Baseline and 8 months
The primary outcome measure is change in quality of life from baseline at eight months following study entry. We calculated the EuroQOL (EQ-5D) from the Global Health Scale, a 10-item Patient-Reported Outcomes Measurement Information System measure developed and validated in patients with neuropathy as part of the Quality of Life in Neurological Disorders Measures. The range for EQ-5D is 0-1, with "0" being the worst and "1" being the best.
Baseline and 8 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Number of Participants With Minimally Effective Dose in 12 Months
Time Frame: 12 months
Count of patients who ever received a minimally effective dose of the medications they started on during the 12 months following treatment start (measured post only).
12 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Kaiser Permanente

Collaborators

Patient-Centered Outcomes Research Institute

Investigators

  • Principal Investigator: Alyce S. Adams, PhD, Kaiser Permanente

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

October 1, 2014

Primary Completion (Actual)

July 1, 2016

Study Completion (Actual)

September 1, 2016

Study Registration Dates

First Submitted

January 31, 2014

First Submitted That Met QC Criteria

February 4, 2014

First Posted (Estimate)

February 6, 2014

Study Record Updates

Last Update Posted (Actual)

June 28, 2018

Last Update Submitted That Met QC Criteria

May 16, 2018

Last Verified

May 1, 2018

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • CE-1304-7250

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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