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The Effect on Attendance of an SMS Notification Prior to a Scheduled Screening Appointment in BreastScreen Norway

NCT07355569 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 133770

Last updated 2026-01-23

No results posted yet for this study

Summary

This study has been designed as a randomized controlled trial including women invited to a national screening program for breast cancer in Norway, BreastScreen Norway in 2025. The program invites women aged 50-69 to biennial screening mammography. The study includes two substudies with the intervention of sending an SMS notification three days prior to the screening appointment in the first substudy and two days prior to the screening appointment in second study. The comparison is made between the study groups, where women are sent an SMS notification two or three days prior to their scheduled screening appointment and the control groups where women will not be sent an SMS notification about a scheduled screening appointment.

Conditions

  • Attendance
  • Breast Cancer Screening

Interventions

OTHER

SMS notification

Available in the NCCR and sent an SMS notification three or two days prior to a scheduled screening appointment

Sponsors & Collaborators

  • Norwegian Institute of Public Health

    lead OTHER_GOV

Study Design

Allocation
RANDOMIZED
Purpose
SCREENING
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
50 Years
Max Age
71 Years
Sex
FEMALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2025-01-10
Primary Completion
2025-10-31
Completion
2025-10-31

Countries

  • Norway

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07355569 on ClinicalTrials.gov