• Ditte S Linde, Marianne S Andersen, Julius Mwaiselage, Rachel Manongi, Susanne K Kjaer, and Vibeke Rasch.
• Department of Clinical Research, University of Southern Denmark, Odense, Denmark.
• J. Med. Internet Res. 2020 Apr 2; 22 (4): e15863.

BackgroundRapid human papillomavirus (HPV) DNA testing is an emerging cervical cancer screening strategy in resource-limited countries, yet it requires follow-up of women who test HPV positive.ObjectiveThis study aimed to determine if one-way text messages improved attendance to a 14-month follow-up cervical cancer screening among HPV-positive women.MethodsThis multicenter, parallel-group randomized controlled trial was conducted at 3 hospitals in Tanzania. Eligible participants were aged between 25 and 60 years, had tested positive to a rapid HPV test during a patient-initiated screening, had been informed of their HPV result, and had a private mobile phone with a valid number. Participants were randomly assigned in a 1:1 ratio to the intervention or control group through an incorporated algorithm in the text message system. The intervention group received one-way text messages, and the control group received no text messages. The primary outcome was attendance at a 14-month health provider-initiated follow-up screening. Participants were not blinded, but outcome assessors were. The analysis was based on intention to treat.ResultsBetween August 2015 and July 2017, 4080 women were screened for cervical cancer, of which 705 were included in this trial-358 women were allocated to the intervention group, and 347 women were allocated to the control group. Moreover, 16 women were excluded before the analysis because they developed cervical cancer or died (8 from each group). In the intervention group, 24.0% (84/350) women attended their follow-up screening, and in the control group, 23.8% (80/335) women attended their follow-up screening (risk ratio 1.02, 95% CI 0.79-1.33).ConclusionsAttendance to a health provider-initiated follow-up cervical cancer screening among HPV-positive women was strikingly low, and one-way text messages did not improve the attendance rate. Implementation of rapid HPV testing as a primary screening method at the clinic level entails the challenge of ensuring a proper follow-up of women.Trial RegistrationClinicalTrials.gov NCT02509702; https://clinicaltrials.gov/ct2/show/NCT02509702.International Registered Report Identifier (Irrid)RR2-10.2196/10.2196/15863.©Ditte S Søndergaard Linde, Marianne S Andersen, Julius Mwaiselage, Rachel Manongi, Susanne K Kjaer, Vibeke Rasch. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 02.04.2020.

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