Improving uptake of cervical screening in people with severe mental illness using tailored text message reminders

Behavioural SMS reminders with link to decision tool to improve uptake of cervical screening amongst people with severe mental illness (SMI) that are overdue: a pilot randomised controlled trial

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN12558681

Enrollment

Registered

2024-10-22

Start date

2024-11-25

Completion date

Unknown

Last updated

2025-09-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Prevention of cervical cancer in patients with severe mental illness Mental and Behavioural Disorders

Interventions

Participants randomised to the intervention arm will receive a text message reminder that has been developed with wording framed around social norms (informed with the input of patient representatives

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1. Women and people with a cervix who are diagnosed as having severe mental illness and are overdue their cervical screening test. 2. Aged 24 - 64 years

Exclusion criteria

Exclusion criteria: 1. People who are exempt from cervical screening and have declined to receive the usual SMS text message reminders will be excluded 2. Those the general practitioner considers it inappropriate to approach 3. Patients inappropriate to approach (patients who are receiving palliative care, have declined screening when offered by their GP in the last 12 months, and have submitted a cervical screening opt-out form)

Design outcomes

Primary

Measure	Time frame
1. Number of eligible participants per practice identified from a search of GP records (searched for and screened by practice staff) 2. Number of participants that opt out of the study within 14 days of the study invitation and research information sheet recorded by iPLATO 3. Number of invalid phone numbers recorded in GP records during the recruitment window recorded by iPLATO 4. Number of missing phone numbers recorded in GP records during recruitment window recorded by iPLATO 5. Number of participants where Cervical Screening status is missing in GP records at 18 weeks post-intervention recorded by iPLATO 6. SMS delivery status (recorded by iPLATO) recorded at the intervention date 7. Number of participants who access the tool/ click on the link in the text (and the no. times they click on the link) recorded at the intervention date 8. Costs incurred recorded via resource use proforma completed by iPLATO and GP staff at the end of the study	—

Measure

Time frame

1. Number of eligible participants per practice identified from a search of GP records (searched for and screened by practice staff) 2. Number of participants that opt out of the study within 14 days of the study invitation and research information sheet recorded by iPLATO 3. Number of invalid phone numbers recorded in GP records during the recruitment window recorded by iPLATO 4. Number of missing phone numbers recorded in GP records during recruitment window recorded by iPLATO 5. Number of participants where Cervical Screening status is missing in GP records at 18 weeks post-intervention recorded by iPLATO 6. SMS delivery status (recorded by iPLATO) recorded at the intervention date 7. Number of participants who access the tool/ click on the link in the text (and the no. times they click on the link) recorded at the intervention date 8. Costs incurred recorded via resource use proforma completed by iPLATO and GP staff at the end of the study

—

Secondary

Measure	Time frame
Proportion of women in each arm who arrange and attend a CS appointment within 18 weeks of the SMS reminder being sent. Age, gender, ethnicity and index of multiple deprivation (IMD) decile, date of last CS, will be measured as co-variates	—

Countries

England, United Kingdom

Contacts

Public ContactFiona Graham

fiona.graham@newcastle.ac.uk+44 7511046947

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026