Lung Cancer Screening in Family Members and Peers of Patients With Lung Cancer: Protocol for a Prospective Cohort Study
BackgroundLow-dose computed tomography (LDCT) screening is promising for the early detection of lung cancer (LC) and the reduction of LC-related mortality. Despite the implementation of LC screening programs worldwide, recruitment is challenging. While recruitment for LC scre...
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JMIR Publications
2025-03-01
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| Series: | JMIR Research Protocols |
| Online Access: | https://www.researchprotocols.org/2025/1/e58529 |
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| author | Isabelle Pitrou Adriano Petrangelo Charlotte Besson Carmela Pepe Annika Helen Waschke Jason Agulnik Anne V Gonzalez Nicole Ezer |
| author_facet | Isabelle Pitrou Adriano Petrangelo Charlotte Besson Carmela Pepe Annika Helen Waschke Jason Agulnik Anne V Gonzalez Nicole Ezer |
| author_sort | Isabelle Pitrou |
| collection | DOAJ |
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BackgroundLow-dose computed tomography (LDCT) screening is promising for the early detection of lung cancer (LC) and the reduction of LC-related mortality. Despite the implementation of LC screening programs worldwide, recruitment is challenging. While recruitment for LC screening is based on physician referrals and mass advertising, novel recruitment strategies are needed to improve the enrollment of high-risk individuals into LC screening.
ObjectiveWe aim to identify whether patients with LC can act as advocates to enroll their family members and close contacts into LC screening and whether this strategy increases screening uptake at the population level.
MethodsWe designed a prospective cohort study comprising 2 cohorts constituted between June 2023 and January 2024 with a prospective follow-up of 18 months. Patients with LC (cohort 1) are approached at clinics of the McGill University Health Centre, educated on tools for communicating with family members and close contacts about the benefits of LC screening, and invited to refer their close ones. Referred individuals (cohort 2) are directed to this study’s web-based questionnaire to assess their LC risk score with the PLCOm2012 (Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial) prediction model. Individuals meeting the eligibility criteria for LC screening (PLCOm2012 score ≥2% and aged 55-74 years) are directed toward the Quebec LC screening program. Data collected include sociodemographic characteristics, health literacy and smoking status (all participants), patient activation (cohort 1), perceived risk of LC, and generalized anxiety at baseline and at 28 days (cohort 2). LDCT completion within 18 months from referral is assessed from health records. Focus groups will identify the barriers and facilitators in the uptake of LC screening and preventative behaviors based on perceived genetic and clinical LC risks. The primary outcomes are the number of referred participants per survivor of LC and the mean risk of LC of the referred population based on PLCOm2012 scores. The secondary outcomes are the proportion of (1) participants eligible for LC screening; (2) participants eligible for screening who complete LDCT screening within 18 months of referral from a survivor of LC; (3) participants showing interest in genetic testing to inform LC risk; and (4) participants showing interest in a smoking cessation program. Multivariable logistic regression will identify the predictive factors of being referred for LC screening. PLCOm2012 scores will be compared for referred participants and controls from the provincial LC screening program.
ResultsOverall, 25 survivors of LC and 84 close contacts were enrolled from June 2023 to January 2024, with followed up through July 2025. The results are expected by the end of 2025.
ConclusionsWe describe an approach to LC screening referral, leveraging patients with LC as advocates to increase screening awareness and uptake among their family and peers.
Trial RegistrationClinicalTrials.gov NCT05645731; https://clinicaltrials.gov/ct2/show/NCT05645731
International Registered Report Identifier (IRRID)DERR1-10.2196/58529 |
| format | Article |
| id | doaj-art-ef0b989d2ead40b0abcfd2b76cc9c47c |
| institution | DOAJ |
| issn | 1929-0748 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | JMIR Publications |
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| series | JMIR Research Protocols |
| spelling | doaj-art-ef0b989d2ead40b0abcfd2b76cc9c47c2025-08-20T02:48:42ZengJMIR PublicationsJMIR Research Protocols1929-07482025-03-0114e5852910.2196/58529Lung Cancer Screening in Family Members and Peers of Patients With Lung Cancer: Protocol for a Prospective Cohort StudyIsabelle Pitrouhttps://orcid.org/0000-0001-9896-9677Adriano Petrangelohttps://orcid.org/0009-0004-9079-1260Charlotte Bessonhttps://orcid.org/0000-0002-5850-459XCarmela Pepehttps://orcid.org/0009-0002-2677-3047Annika Helen Waschkehttps://orcid.org/0009-0001-7846-1363Jason Agulnikhttps://orcid.org/0009-0007-1525-6235Anne V Gonzalezhttps://orcid.org/0000-0002-2295-2948Nicole Ezerhttps://orcid.org/0000-0003-1803-6418 BackgroundLow-dose computed tomography (LDCT) screening is promising for the early detection of lung cancer (LC) and the reduction of LC-related mortality. Despite the implementation of LC screening programs worldwide, recruitment is challenging. While recruitment for LC screening is based on physician referrals and mass advertising, novel recruitment strategies are needed to improve the enrollment of high-risk individuals into LC screening. ObjectiveWe aim to identify whether patients with LC can act as advocates to enroll their family members and close contacts into LC screening and whether this strategy increases screening uptake at the population level. MethodsWe designed a prospective cohort study comprising 2 cohorts constituted between June 2023 and January 2024 with a prospective follow-up of 18 months. Patients with LC (cohort 1) are approached at clinics of the McGill University Health Centre, educated on tools for communicating with family members and close contacts about the benefits of LC screening, and invited to refer their close ones. Referred individuals (cohort 2) are directed to this study’s web-based questionnaire to assess their LC risk score with the PLCOm2012 (Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial) prediction model. Individuals meeting the eligibility criteria for LC screening (PLCOm2012 score ≥2% and aged 55-74 years) are directed toward the Quebec LC screening program. Data collected include sociodemographic characteristics, health literacy and smoking status (all participants), patient activation (cohort 1), perceived risk of LC, and generalized anxiety at baseline and at 28 days (cohort 2). LDCT completion within 18 months from referral is assessed from health records. Focus groups will identify the barriers and facilitators in the uptake of LC screening and preventative behaviors based on perceived genetic and clinical LC risks. The primary outcomes are the number of referred participants per survivor of LC and the mean risk of LC of the referred population based on PLCOm2012 scores. The secondary outcomes are the proportion of (1) participants eligible for LC screening; (2) participants eligible for screening who complete LDCT screening within 18 months of referral from a survivor of LC; (3) participants showing interest in genetic testing to inform LC risk; and (4) participants showing interest in a smoking cessation program. Multivariable logistic regression will identify the predictive factors of being referred for LC screening. PLCOm2012 scores will be compared for referred participants and controls from the provincial LC screening program. ResultsOverall, 25 survivors of LC and 84 close contacts were enrolled from June 2023 to January 2024, with followed up through July 2025. The results are expected by the end of 2025. ConclusionsWe describe an approach to LC screening referral, leveraging patients with LC as advocates to increase screening awareness and uptake among their family and peers. Trial RegistrationClinicalTrials.gov NCT05645731; https://clinicaltrials.gov/ct2/show/NCT05645731 International Registered Report Identifier (IRRID)DERR1-10.2196/58529https://www.researchprotocols.org/2025/1/e58529 |
| spellingShingle | Isabelle Pitrou Adriano Petrangelo Charlotte Besson Carmela Pepe Annika Helen Waschke Jason Agulnik Anne V Gonzalez Nicole Ezer Lung Cancer Screening in Family Members and Peers of Patients With Lung Cancer: Protocol for a Prospective Cohort Study JMIR Research Protocols |
| title | Lung Cancer Screening in Family Members and Peers of Patients With Lung Cancer: Protocol for a Prospective Cohort Study |
| title_full | Lung Cancer Screening in Family Members and Peers of Patients With Lung Cancer: Protocol for a Prospective Cohort Study |
| title_fullStr | Lung Cancer Screening in Family Members and Peers of Patients With Lung Cancer: Protocol for a Prospective Cohort Study |
| title_full_unstemmed | Lung Cancer Screening in Family Members and Peers of Patients With Lung Cancer: Protocol for a Prospective Cohort Study |
| title_short | Lung Cancer Screening in Family Members and Peers of Patients With Lung Cancer: Protocol for a Prospective Cohort Study |
| title_sort | lung cancer screening in family members and peers of patients with lung cancer protocol for a prospective cohort study |
| url | https://www.researchprotocols.org/2025/1/e58529 |
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