Hydrotherapy using temperature-elevating armbaths for high blood pressure

The Effect of Temperature-elevating Armbaths (Hauffe-Schwenniger-Baths) as a Therapeutic Option to Regulate the Blood Pressure in People With Arterial Hypertension - a Randomized-controlled Trial (Wirksamkeit Temperaturansteigender Armbäder (Hauffe-Schweninger Bäder) Zur Regulierung Des Blutdrucks Bei Probanden Mit Arterieller Hypertonie - Eine Randomisiert-kontrollierte Studie)

Not applicable Interventional Kliniken Essen-Mitte · NCT05928702

This study is testing if daily warm water arm baths can help people with high blood pressure feel better and sleep more soundly over eight weeks.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment50 (estimated)
Ages18 Years and up
SexAll
SponsorKliniken Essen-Mitte Academic / other
Locations1 site (Essen, North-Rhine-Westphalia)
Trial IDNCT05928702 on ClinicalTrials.gov

What this trial studies

This randomized controlled trial investigates the effects of temperature-elevating armbaths on individuals with arterial hypertension. Participants will perform the armbath daily for 30 minutes over eight weeks, while a comparison group will continue their usual treatment. The study aims to determine if this hydrotherapeutic approach can lower blood pressure and improve sleep quality or overall quality of life. Blood pressure will be monitored through 24-hour measurements at the start, after eight weeks, and after six months.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older diagnosed with at least stage I arterial hypertension.

Not a fit: Patients with acute psychiatric or major physical diseases, secondary hypertension, or those who are pregnant or lactating may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could provide an additional non-pharmacological treatment option for managing arterial hypertension.

How similar studies have performed: While hydrotherapy has been used in complementary medicine for over a century, this specific approach has limited scientific evidence, making it a novel investigation.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* adult participants (≥18 years)
* diagnosed arterial hypertension, at least stage I, based on the Guidelines of the European Society of Hypertension 2018 (systolic \>140 mmHg, diastolic \>90 mmHg)
* last change in medication at least 2 months ago
* no planned changes in blood pressure medication within intervention time; changes due to medical reasons (e.g., hypotension, hypertensive emergency) are allowed.
* willingness to perform an armbath on a regular schedule (min. 5x/weeks)

Exclusion Criteria:

* acute psychiatric disease ( e.g., addiction, major depression)
* acute or major physical disease (e.g., cancer diagnosis within the last 5 years, major known cardiovascular diseases, renal or liver dysfunction), acute infection, major neurological diseases (e.g., Parkinsons´ disease, uncontrolled epilepsy)
* secondary hypertension
* pregnancy or lactation period

Where this trial is running

Essen, North-Rhine-Westphalia

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Arterial HypertensionComplementary MedicineHydrotherapy
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.