TB pillbox reminders beat SMS for doses
In a China cluster RCT, medication-monitor reminders cut poor TB adherence 40–50%, while text messages mainly reduced loss to follow-up.
Source
Effectiveness of Electronic Reminders to Improve Medication Adherence in Tuberculosis Patients: A Cluster-Randomised Trial
Study at a glance
- Design
- RCT — Cluster RCT across 36 sites: control, SMS, medication monitor, or combined
- N
- N=4173 · Pulmonary TB patients in China’s NTP
- Population
- Pulmonary tuberculosis patients in China’s National Tuberculosis Control Program
- Outcome
- Poor medication adherence and loss to follow-up
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TB pillbox reminders beat SMS for doses
These passages occur verbatim in the stored paper text. They support the points listed below; they do not verify every statement in the explanation.
Medication monitors reduced poor adherence by 40–50%.
Our study found that the use of a medication monitor to remind TB patients to take their drugs reduced poor medication adherence by 40%–50% compared to the standard of care in China’s National Tuberculosis Control Program.
SMS reduced loss to follow-up by 58%.
The use of text messaging did not reduce poor medication adherence but did reduce patient loss to follow-up by 58%.
What they did
Across 36 clusters, investigators randomized pulmonary TB patients to control, SMS, medication monitor, or combined reminders and tracked missed doses and follow-up.
What they found
Medication monitors reduced poor adherence by 40–50% vs standard care; SMS alone did not improve adherence but cut loss to follow-up by 58%; 4,173 patients were analyzed.
The limits
What it doesn't show
Whether better adherence translates to microbiologic cure in this report, or how well monitors work outside China’s NTP.
Key terms
- Medication monitor
- Electronic pillbox that records openings and can remind patients.
- SMS reminder
- Text-message prompts to take TB medicines.
- Cluster-randomised trial
- Randomization of clinics/clusters rather than individuals alone.
- Poor medication adherence
- Missed doses based on pill counts and monitor/SMS failures.
- Loss to follow-up
- Patients dropping out of TB treatment observation.
- DOT
- Directly Observed Treatment strategy in TB control programs.
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Medication monitors reduced poor adherence by about:
Common questions
What reduced poor adherence?
Medication-monitor reminders (about 40–50% reduction).
What did SMS achieve?
Did not cut poor adherence but reduced loss to follow-up by 58%.
How many patients were analyzed?
4,173 after exclusions.
How many clusters?
36 clusters screened 6,203 patients.
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