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Postural change in hemodynamics can indicate the renal functional reserve

Postural change in hemodynamics can indicate the renal functional reserve - Postural renal hemodynamic change and renal functional reserve

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000014035
Enrollment
30
Registered
2014-05-22
Start date
2014-02-07
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic kidney disease(CKD)

Interventions

Postural change from the supine to the upright position.

Sponsors

Department of Cardio-Renal Medicine and Hypertension, Nagoya City University Graduate School of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Age ≥20 y 2. CKD based on K/DOQI criteria 3. documented informed concent 4. tolerance for 1.5 h-upright position

Exclusion criteria

Exclusion criteria: 1. previous treatment with ARB or diuretics 2 months before enrollment 2. presence or possibility of pregnancy 3. HbA1c >9.0 % 4. GOT >100, or GPT >85 5. endocrine hypertension 6. accelerated or malignant hypertension 7. serious conditions with congestive heart failure, coronary diseases, arrhythmia or systemic diseases 8. nephrotic syndrome (serum albumin <2.5 g/dl) 9. patients receiving hemodialysis therapy 10. any reason for ineligibility suggested by the attending doctor

Design outcomes

Primary

MeasureTime frame
Relationship between the changes in resistive index in renal arteriole and natriuresis during the postural change from supine to the upright position.

Secondary

MeasureTime frame
Relationship between the POSTURAL changes in resistive index in renal arteriole and circadian BP rhythm and urinary excretion of angiotensinogen, as well as GFR

Countries

Japan

Contacts

Public ContactToshiyuki Miura

Nagoya City University Graduate School of Medical Sciences Cardio-Renal Medicine and Hypertension

tmiura@med.nagoya-cu.ac.jp81-52-853-8221

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026