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NCT03111836
Effectiveness of User and Expert Driven Internet-based Lifestyle Interventions on Hypertension Control
NA trial testing Control Group in Hypertension in 129 participants. Completed in 1 June 2015.
1 July 2014
Quick facts
| Lead sponsor | University of Toronto |
|---|---|
| Phase | NA |
| Status | Completed |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | parallel |
| Masking | double |
| Primary purpose | prevention |
| Enrollment | 129 |
| Start date | 1 June 2012 |
| Primary completion | 1 July 2014 |
| Estimated completion | 1 June 2015 |
Drugs / interventions tested
- Control Group — full drug profile →
- Expert-Driven Group
- User-driven group
Conditions studied
- Hypertension — all drugs for Hypertension →
Sponsor
University of Toronto
Who can join
Adults 35 to 74, any sex, with Hypertension. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
Hypertension is a leading risk factor for cardiovascular disease and mortality. Lifestyle counseling is recommended as a first line therapy for reducing blood pressure (BP) and risk for cardiovascular events. Recent studies suggest that e-based lifestyle interventions are effective in evoking therapeutic change in BP1. However, BP response and adherence to exercise and diet behavior varies significantly after e-based interventions due to variations in treatment methodologies. Consensus is not yet established for a standardized e-counseling protocol for hypertension. As noted in our systematic review, the two dominant models of e-counseling procedures are expert-driven (protocol driven, prescriptive) and user-driven (self-guided, collaborative). Expert-driven programs prescribe specific changes for lifestyle behavior which are intended to facilitate compliance to behavioral change. In contrast, the user-driven method actively involves the subject in goal-setting and/or the selection of the intervention used to reach the behavioral goal. One conclusion from the systematic review is that these models are used indiscriminately in e-counseling programs. There is currently inadequate data to determine the efficacy of programs that are expert-driven vs. user-driven in reducing BP while modifying lifestyle behaviour. It is possible that a combination of expert-driven and user-driven features for lifestyle e-counseling is most effective. However, before these two approaches can be combined, it is essential to establish the strengths and limitations of each model.
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
-
Effectiveness of User- and Expert-Driven Web-based Hypertension Programs: an RCT.
Liu S, Brooks D, Thomas SG, Eysenbach G, et al · · 2018 · cited 41× · PMID 29456025 · DOI 10.1016/j.amepre.2018.01.009
Verify or expand the search:
- PubMed search for NCT03111836
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT03111836 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by University of Toronto
- Last refreshed: 13 April 2017
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Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing