CPAP Population Management

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

400 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-07-31

Study Completion Date

2025-01-31

Brief Summary

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The investigators propose a study to formally compare two Continuous Positive Airway Pressure (CPAP) follow-up pathways: 1) Usual care - follow-up visits reflect standard care practice and we rely on patients to reach out to us if they are struggling with therapy (there will be no active outreach); 2) Case Management - in addition to "Usual Care" visits, patients CPAP use will be monitored and further encounters may be initiated with "struggler" CPAP users while "successful" users are passively followed.

The investigators will evaluate measures of CPAP adherence, patient engagement and cost-effectiveness for the duration of 1 year.

Our hypothesis is that "Case Management" will improve CPAP adherence and cost-effectiveness compared to "Usual Care". The investigators also hypothesize that targeting "strugglers" only in a management by exception (MBE) approach will be equally effective, but require less personnel time compared to targeting "all" patients.

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Detailed Description

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Untreated obstructive sleep apnea (OSA) increases patient risks and burden on the healthcare system due to its high prevalence, impact on cardiovascular health, and daytime symptoms that cause deficits on daytime functioning. The yearly economic cost of OSA in Australia, with a population of about 25 million, is estimated to be $21 billion. Unfortunately, the effectiveness of continuous positive airway pressure (CPAP) therapy on improving patient and population outcomes is limited by suboptimal adherence with literature generally reporting adherence rates of 50-70% (defined by Medicare as ≥70% nights used ≥4 hours). The development of technology-based solutions is critical towards improving adherence, and this includes the use of remote patient monitoring, automation, and population management tools. Current CPAP devices are now wirelessly connected (eg, via cellular) which enables remote access by sleep medicine providers to access patient usage. Fox et al demonstrated the utility of remote monitoring in a randomized trial. New CPAP users that were remotely identified to have suboptimal use (and underwent a telephone encounter with a sleep medicine provider) showed significantly better 3 month CPAP use compared to the control group without monitoring (321 minutes versus 207 minutes; p\<0.0001). Our center also performed a randomized trial (Tele-OSA study) in which a similar process was applied but the monitoring and patient feedback was automated. Patients with \<4 hours use for 3 nights in a row were automatically sent messages (typically via SMS text) encouraging use. The investigators demonstrated the cost-effectiveness of this automated approach (Auto-Monitoring), which resulted in improved CPAP adherence without an increase in manual intervention with a provider.

Population management platforms capable of automatically risk stratifying patients (eg, automatically identifying poor users) may be another cost-effective technology-based tool by enabling a "management by exception" (MBE) follow-up process. This process concentrates provider effort on patients most at need by allowing providers to passively observe successful users and actively intervene only in CPAP strugglers. In our center, the investigators intend to implement this population management process by identifying CPAP strugglers at 1 month, 2 month, and 3 months after therapy initiation although impact on outcomes is unknown.

Time Motion Pilot

Our center proceeded with a preliminary implementation of this automated MBE process and performed a time motion study comparing time required to deliver care utilizing the population management process with automated risk stratification versus a non-automated process. The tasks performed were as follows: 1) Risk stratification (identifying patients with moderate-severe OSA), assessing CPAP Adherence (identifying those with \>50% nights used at least 4 hours), telephone encounter (to troubleshoot issues with CPAP use), and documentation. The investigators demonstrated an 83% reduction in time required to follow-up a similar population of new CPAP users at any given time point (eg, 1 month, 2 months, etc.) While the results of this pilot (unpublished data) demonstrates significant improvement in care delivery efficiency, the impact on adherence remains unclear.

Population Management Study

The investigators propose a study to formally compare two CPAP follow-up pathways: 1) Usual care - a control group utilizing standard care practices with no active outreach; 2) Case Management - in addition to "Usual Care", other encounters may be initiated with CPAP strugglers while successful users are passively followed.

Conditions

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Obstructive Sleep Apnea (OSA)

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

SINGLE

Participants

Study Groups

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Usual Care

Patients will receive Auto-Monitoring text messages. The Auto-Monitoring tool that will be used is a function within Somnoware (Somnoware, Inc.) patient management platform, which is the national KP benchmarked platform for sleep management software. Fixed scheduled follow-up visits will be scheduled at 1-month (telephone encounter), 3-months (in-person or video encounter), and 1-year (in-person or video encounter). This sequence of follow-up visits reflects current real-world practice. Patients are eligible for additional visits when self-initiated. Sleep questionnaires will be delivered at 1, 3, and 6 months and at 1 year.

Group Type NO_INTERVENTION

No interventions assigned to this group

Case Management

Patients will undergo the same follow-up process as described in the Usual Care Pathway. A population CM dashboard (Somnoware, Inc.) will be used to automatically identify PAP strugglers (defined as \<70% nights with ≥4 hours use during the preceding month) for 1 year. Video encounters will be triggered for these select patients for troubleshooting. Additionally, throughout this 1-year period, Q1 window of \<70% nights \>4 hours will trigger a phone call and at the discretion of the case manager convert to video or in-person encounter for troubleshooting. CPAP Follow-Up Questionnaire will also be delivered to patient at 3 months and 1 year.

Group Type ACTIVE_COMPARATOR

Case Management

Intervention Type OTHER

Population management platforms capable of automatically risk stratifying patients (eg, automatically identifying poor users) may be another cost-effective technology-based tool by enabling a "management by exception" (MBE) follow-up intervention. This intervention concentrates provider effort on patients most at need by allowing providers to passively observe successful users and actively intervene only in CPAP strugglers. Therefore, in addition to "Usual Care" we will implement this population management process by identifying CPAP strugglers only and further follow-up encounters will be triggered for these select patients for troubleshooting. Additionally, throughout the 1-year period, Q1 window of \<70% nights \>4 hours will trigger a phone call and at the discretion of the sleep provider convert to video or in-person encounter for troubleshooting. CPAP Follow-Up Questionnaire will also be delivered to patient at 3 months and 1 year.

Interventions

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Case Management

Population management platforms capable of automatically risk stratifying patients (eg, automatically identifying poor users) may be another cost-effective technology-based tool by enabling a "management by exception" (MBE) follow-up intervention. This intervention concentrates provider effort on patients most at need by allowing providers to passively observe successful users and actively intervene only in CPAP strugglers. Therefore, in addition to "Usual Care" we will implement this population management process by identifying CPAP strugglers only and further follow-up encounters will be triggered for these select patients for troubleshooting. Additionally, throughout the 1-year period, Q1 window of \<70% nights \>4 hours will trigger a phone call and at the discretion of the sleep provider convert to video or in-person encounter for troubleshooting. CPAP Follow-Up Questionnaire will also be delivered to patient at 3 months and 1 year.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Kaiser Permanente member
* Moderate-Severe Obstructive Sleep Apnea diagnosis (AHI4%≥15 on home sleep apnea test \[Nox T3 or WatchPAT\] or polysomnography (in-lab study)
* PAP therapy clinically recommended and prescribed for home therapy of OSA
* Adults (age ≥ 18 years)

Exclusion Criteria

* Chronic respiratory failure requiring bilevel PAP ventilatory support or addition of oxygen supplementation.
* Prior use of PAP prescribed for home therapy.
* Inability wirelessly connect patient's PAP device.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes