Effectiveness of a Digital Health Application for Primary Hypertension (Liebria)

This clinical trial with 328 patients with primary hypertension aims to investigate the effectiveness of the self-guided digital application liebria for patients with primary hypertension.

Inclusion Criteria: * Age ≥ 18 * Presence of primary hypertension, confirmed by submission of a medical certificate or equivalent (e.g., informal letter signed by primary care physician); relevant ICD-10-GM diagnoses: * I10.00 (Benign essential hypertension: Without indication of hypertensive crisis) * I10.90 (Essential hypertension, unspecified: Without indication of hypertensive crisis) * Unmedicated or with existing antihypertensive drug therapy (with stable dose in the past 6 weeks prior to study enrolment) * Last reported office-based systolic blood pressure (SBP) ≥ 140 mmHg followed by home-based SBP ≥ 135 mmHg * Consent to participate Exclusion Criteria: * Home-based SBP \> 180 mmHg * \> Triple combination of antihypertensive medication * History of secondary hypertension (e.g., thyroid disease, kidney disease) * Pregnancy