An 88-person randomized controlled trial found that a smartphone app designed to teach people about complementary therapies improved their ability to critically evaluate these treatments and their quality of life, though it didn't increase diabetes empowerment within the study timeframe.
Complementary therapy use is widespread among people managing type 2 diabetes, yet many lack the knowledge to assess safety, efficacy, or potential drug interactions. This knowledge gap creates a clinical problem: patients often don't disclose complementary therapy use to their healthcare providers, fragmenting care and raising the risk of adverse interactions. The researchers developed an eight-session educational app addressing this gap by teaching participants to evaluate complementary therapy claims using critical thinking, behavioral strategies, and communication skills.
The study enrolled 88 people with type 2 diabetes who reported using complementary therapies and randomly assigned them to either the app intervention or standard education control group. Outcomes were measured at baseline, after the intervention, and at follow-up using generalized estimating equations. The intervention group showed statistically significant improvements in two primary measures: complementary therapy health literacy (specifically critical evaluation skills) and quality of life. Participants who used the app developed better capacity to appraise complementary therapy information, weigh benefits against risks, and engage in shared decision-making with healthcare providers. These gains persisted at follow-up.
However, the study did not find statistically significant improvement in diabetes empowerment, a composite measure of patients' sense of control and agency in managing their condition. The researchers note this outcome doesn't negate the app's value but suggests that longer engagement or additional reinforcement mechanisms might be needed to shift empowerment trajectories. The intervention was grounded in WHO empowerment process frameworks and refined through patient co-design, suggesting the design is sound; the timeframe or intervention intensity may have been insufficient to move this particular outcome.
The findings highlight a practical distinction: health literacy (knowing how to evaluate information) and quality of life improved measurably, while psychological empowerment (feeling in control) did not. This suggests the app is particularly effective as an educational tool for decision-making rather than as a broader intervention for psychological empowerment. For healthcare systems, this positions the app as a concrete digital resource to support safer complementary therapy use and patient-provider communication in diabetes management.
If you use complementary therapies alongside conventional diabetes treatment, the evidence suggests educational tools focused on critical evaluation can help you make safer choices. The improvements in health literacy here translate to practical gains: better ability to distinguish credible from non-credible claims, awareness of potential interactions, and confidence in discussing these choices with your doctor.
The app's structure around communication and shared decision-making reflects a realistic approach to integrating complementary care into diabetes management. Rather than steering patients toward or away from particular therapies, it equips them to evaluate options themselves and involve their healthcare team in the process, which is where safety gains occur.
The lack of empowerment improvement suggests that educational apps alone may not resolve deeper issues around feeling in control of your diabetes management. This outcome likely reflects that empowerment is complex, shaped by provider relationships, health system factors, and sustained engagement over time. One educational tool, however well-designed, is one component of a larger support system.
| Metric | Details |
|---|---|
| Study type | Randomized controlled trial, assessor and investigator blinded |
| Sample size | 88 participants (intervention and control groups) |
| Population | Adults with type 2 diabetes reporting complementary therapy use |
| Intervention | Eight-session smartphone app incorporating self-control, cognitive, psychological, and behavioral strategies for evaluating complementary therapies |
| Primary outcomes | Complementary therapy health literacy, quality of life, diabetes empowerment |
| Measurement timepoints | Baseline, post-intervention, follow-up |
| Primary findings | Statistically significant improvements in CT health literacy and quality of life; no significant improvement in diabetes empowerment |
| Study design features | CONSORT 2025 guideline compliance, patient co-design, pilot testing with user feedback |
| Clinical trial registry | NCT06317584 |
| Journal | Nursing Open |
| Published | 2025 |
Nursing Open. Study: Empowering Patients Through Literacy: A Randomized Controlled Trial of an Educational App for Evaluating Complementary Therapies in Diabetes Management. PubMed: 42361247
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