Breast Cancer Clinical Trial
Official title:
Effectiveness of Mobile Messenger-initiated Reminder on Biannual Mammography Adherence in Breast Cancer Screening
Female breast cancer is the most common cancer and fifth leading cause of cancer death worldwide. In the past decade, breast cancer consistently to be the most common cancer for women in Hong Kong, so much that it accounts for 27% of all female cancers, with 4,600 new cases of breast cancer registration every year and the lifetime breast cancer risk for females is 1 in every 14. At the same time, breast cancer ranks the third in cancer death in Hong Kong, with a five-year relative survival rate of 84%. Regular mammography screening has been shown to reduce the mortality of breast cancer. International guidelines recommend annual or biannual mammography screening for women aged 50 or above. The adherence to regular mammography screening remains a challenge. Studies had shown that the adherence decreased over time. Mailed and telephone reminder were being proven to be effective tools to increase the adherence to regular breast screening using mammography. However, both mailing and telephone strategies are associated with labor intensity and high cost. Over the past two decades, the advent of internet and smartphone provided a fertile platform for the development of mobile-health technologies. WhatsApp Messenger is one of the most frequently used free-of-charge mobile messenger that permits users to send secure messages across different device platforms. A recent randomized controlled trial from our team has suggested its clinical utility in improving adherence to regular colorectal cancer screening using fecal immunochemical test. This encouraging data prompted us to investigate the potential role of WhatsApp Messenger in breast cancer screening. We hypothesized that text reminder sent via WhatsApp Messenger improves the longitudinal adherence to biannual mammography in a community-based, opportunistic breast screening program.
Status | Not yet recruiting |
Enrollment | 600 |
Est. completion date | May 31, 2024 |
Est. primary completion date | May 31, 2023 |
Accepts healthy volunteers | No |
Gender | Female |
Age group | 50 Years to 75 Years |
Eligibility | Inclusion Criteria: - Women with negative mammography results which are defined as BI-RADS (Breast Imaging-Reporting and Data System) 1 or 2 in the first round of mammography screening of the existing opportunistic breast cancer screening cohort - Due for second round of biannual follow up of mammography - Consented to be contacted via WhatsApp Messenger Exclusion Criteria: - Those without access to WhatsApp Messenger or disagreed to be contacted via WhatsApp Messenger |
Country | Name | City | State |
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n/a |
Lead Sponsor | Collaborator |
---|---|
Chinese University of Hong Kong |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Attendance of the second round of mammography follow up and repeat mammography arrangement. | Primary outcome is the adherence to biannual mammography screening, defined as attendance to the second round of mammography follow up and attendance to the repeat mammography arrangement. | Through study completion, an average of 2 years | |
Secondary | Risk factors of nonadherence based on all available variables of patients' characteristics | Secondary outcomes are the risk factors of nonadherence which will be determined by binary logistic regression analysis using all available variables of patients' characteristics | Through study completion, an average of 2 years |
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