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| ID | Type | Description | Link |
|---|---|---|---|
| NCI-2025-06016 | Registry Identifier | CTRP (Clinical Trial Reporting Program) | |
| FHIRB0020813 | Other Identifier | Fred Hutch/University of Washington Cancer Consortium | |
| U19MD020533 | U.S. NIH Grant/Contract | View source |
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| Name | Class |
|---|---|
| National Institute on Minority Health and Health Disparities (NIMHD) | NIH |
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This clinical trial studies whether tailored patient navigation (PN) works to improve the uptake of lung cancer screening (LCS) in tribal communities in western Washington state. Lung cancer is the leading cause of cancer death in the United States among American Indian (AI) and Alaska Native (AN) people, and the incidence of lung cancer is higher in this population in the Northern and Southern Plains, Alaska, and Pacific Coast regions. In Washington state, AI/AN people also have twice the rate of commercial cigarette smoking than the overall population. LCS with annual low-dose chest computed tomography (CT) can reduce lung cancer death and is recommended in people 50-80 years of age with current or recent (within 15 years) tobacco use and a 20 pack-year or greater smoking history. Despite this, AI and AN people are less likely to receive LCS which may be due to barriers they face making it difficult to receive LCS. PN services are designed to guide a patient through the healthcare system and reduce barriers to timely screening, follow-up, diagnosis, treatment, and supportive care. The PN services in this trial have been tailored for the tribal communities in western Washington state. The services are designed to help participants overcome the unique barriers that their tribal communities face and improve the uptake of LCS.
OUTLINE: Participants are randomized to 1 of 2 arms.
ARM 1: Participants receive tailored PN activities in support of the uptake and follow-up of LCS for 21 months. Participants also receive an educational handout on LCS on study.
ARM 2: Participants receive enhanced usual care consisting of an educational handout on LCS and a warm hand-off to discuss LCS with their primary care physician (PCP) for 6 months. Participants then receive tailored PN services in support of the uptake and follow-up of LCS for 15 months.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Arm 1 (tailored PN) | Experimental | Participants receive tailored PN activities in support of the uptake and follow-up of LCS for 21 months. Participants also receive an educational handout on LCS on study. |
|
| Arm 2 (enhanced usual care, delayed tailored PN) | Active Comparator | Participants receive enhanced usual care consisting of an educational handout on LCS and a warm hand-off to discuss LCS with their PCP for 6 months. Participants then receive tailored PN services in support of the uptake and follow-up of LCS for 15 months. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Patient Navigation | Behavioral | Receive tailored PN activities |
|
| Measure | Description | Time Frame |
|---|---|---|
| Completion of chest computed tomography (CT) (Aim 1.2) | Will be compared between arms using the Cochran-Mantel-Haenszel (CMH) test, accounting for the stratification variables used during randomization. Completion rates will also be estimated in each arm and 95% confidence intervals for the rates and their difference will be calculated using Wilson's score method. The single primary outcome will be tested using two-sided α = 0.05. | Up to 6 months |
| Measure | Description | Time Frame |
|---|---|---|
| Completion of low dose computed tomography of the chest (Aim 1.2) | Will be compared between arms using the CMH test. Will be tested using two-sided α = 0.05 without adjustment for multiplicity. | Up to 21 months |
| Lung cancer screening (LCS) knowledge (Aim 1.2) |
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Inclusion Criteria:
AIM 1.2 RANDOMIZED CONTROLLED TRIAL: Between ages 50-77
AIM 1.2 RANDOMIZED CONTROLLED TRIAL: Self-reported 20-pack year smoking history
AIM 1.2 RANDOMIZED CONTROLLED TRIAL: Ongoing commercial tobacco use within the past 15 years
AIM 1.2 RANDOMIZED CONTROLLED TRIAL: Seen by a PCP at a participating clinic (South Puget Intertribal Planning Agency [SPIPA] or Muckleshoot) within the past three years
AIM 2 CLINICAL STAFF SURVEYS AND SEMI-STRUCTURED INTERVIEWS: At least 18 years of age
AIM 2 CLINICAL STAFF SURVEYS AND SEMI-STRUCTURED INTERVIEWS: Affiliation with Muckleshoot or SPIPA (one of the 6 community partnering clinics) as a provider, or supportive staff member
AIM 2 PATIENT SURVEYS AND SEMI-STRUCTURED INTERVIEWS: Patient participated in the aim 1.2 trial
AIM 3 CLINICAL STAFF SURVEYS AND SEMI-STRUCTURED INTERVIEWS: At least 18 years of age
AIM 3 CLINICAL STAFF SURVEYS AND SEMI-STRUCTURED INTERVIEWS: Affiliation with Muckleshoot or SPIPA (one of the 6 community partnering clinics) as a provider, or supportive staff member
AIM 3 PATIENT SURVEYS AND SEMI-STRUCTURED INTERVIEWS: Patient participated in the aim 1.2 trial
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Matty Triplette, MD, MPH | Contact | (206) 667-6335 | mtriplet@fredhutch.org |
| Name | Affiliation | Role |
|---|---|---|
| Matty Triplette, MD, MPH | Fred Hutch/University of Washington Cancer Consortium | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Muckleshoot Tribal Clinic | Auburn | Washington | 98092 | United States | ||
| South Puget Intertribal Planning Agency (SPIPA) |
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Research staff and study coordinators will be blinded to study arm while patient, navigators, and providers will be aware of study arm.
| Educational Intervention | Other | Receive LCS educational handout |
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| Best Practice | Other | Receive enhanced usual care |
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| Interview | Other | Ancillary studies |
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| Survey Administration | Other | Ancillary studies |
|
| Electronic Health Record Review | Other | Ancillary studies |
|
Will be compared between arms using a stratified Wilcoxon rank-sum test (van Elteren test). Will be tested using two-sided α = 0.05 without adjustment for multiplicity. |
| At 21 months |
| Health-related quality of life (Aim 1.2) | Will be measured using the Short Form 36 Health Survey questionnaire. Will be compared between arms using a stratified Wilcoxon rank-sum test (van Elteren test). Will be tested using two-sided α = 0.05 without adjustment for multiplicity. | At 21 months |
| Rate of reported 30-day cessation period (Aim 1.2) | The impact of navigation on tobacco cessation will be explored by the rates of a reported 30-day cessation period during the intervention period as measured by self-reported 30-day floating abstinence. | Up to 6 months |
| Completion of chest CT (Aim 2) | Quantitative analyses will use structural equation models (SEM) to understand the relationships between measured and latent variables representing barriers, facilitators and social determinants of health and the outcome of CT completion. | Up to 6 months |
| Navigation care engagement (Aim 2) | Quantitative analyses in this aim will use SEM to understand the relationships between measured and latent variables representing barriers, facilitators and social determinants of health and the outcome of navigation care engagement. Measure of reach will be operationalized as an ordinal scale based on care completion activities along the LCS continuum as documented in the electronic health record. | Up to 21 months |
| Completion of chest CT (Aim 3) | The rate of chest CT completion during the maintenance phase in the control arm (after navigation is offered) will be estimated and compared with the rate during the trial phase (before navigation was offered) using Poisson regression with the log link. The phase (trial versus maintenance) will be modeled using a time varying covariate, where each participant will contribute an outcome for each phase in which they are still "at risk" for completing CT (i.e., until first CT completion or end of follow-up). Models will include additional key covariates, including clinical site, smoking status, and prior reported LCS. Generalized estimating equations will be used to account for multiple periods per participant and potential overdispersion. | Up to 15 months |
| Completion of next diagnostic step in LCS follow-up | Adherence to follow-up will be assessed as binary completion of the next step in follow-up among those with a completed chest CT during the randomized controlled trial. Appropriate next step in follow-up is determined through the Lung CT Screening Reporting and Data System (Lung-RADS) system, with most participants having negative initial CT (Lung-RADS 1 or 2) with follow-up assessed at 11-15 months. Adherence rates will be estimated as a proportion with 95% confidence intervals, summarized overall and stratified by Lung-RADS. | Up to 15 months |
| Shelton |
| Washington |
| 98584 |
| United States |
| ID | Term |
|---|---|
| D008175 | Lung Neoplasms |
| ID | Term |
|---|---|
| D012142 | Respiratory Tract Neoplasms |
| D013899 | Thoracic Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
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| ID | Term |
|---|---|
| D062526 | Patient Navigation |
| D018479 | Early Intervention, Educational |
| D004522 | Educational Status |
| D008722 | Methods |
| D017410 | Practice Guidelines as Topic |
| D059039 | Standard of Care |
| D007407 | Interviews as Topic |
| ID | Term |
|---|---|
| D018802 | Patient-Centered Care |
| D011320 | Primary Health Care |
| D003191 | Comprehensive Health Care |
| D010346 | Patient Care Management |
| D006298 | Health Services Administration |
| D002662 | Child Health Services |
| D003153 | Community Health Services |
| D006296 | Health Services |
| D005159 | Health Care Facilities Workforce and Services |
| D011314 | Preventive Health Services |
| D012959 | Socioeconomic Factors |
| D011154 | Population Characteristics |
| D008919 | Investigative Techniques |
| D017408 | Guidelines as Topic |
| D011785 | Quality Assurance, Health Care |
| D011787 | Quality of Health Care |
| D017530 | Health Care Quality, Access, and Evaluation |
| D019984 | Quality Indicators, Health Care |
| D003625 | Data Collection |
| D004812 | Epidemiologic Methods |
| D017531 | Health Care Evaluation Mechanisms |
| D011634 | Public Health |
| D004778 | Environment and Public Health |
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