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Investigation on the effect of sodium intake and anti-hypertensive therapy in the treatment Hypertension

Investigation on the effect of sodium intake and anti-hypertensive therapy in the treatment Hypertension - Valsartan-Tochigi Hypertension study UNDER monitoring of salt intake(Val-THUNDER)

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000005916
Enrollment
100
Registered
2011-07-04
Start date
2011-02-01
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

Hypertension

Interventions

ARB/Diuretics combination (Co-DIO combination tablets) ARB/CCB (DIOVAN 80 mg/amlodipine 5mg once a day or EXFORGE Combination tablets)

Sponsors

Department of Cardiovascular Medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1)Hypertensive patients, who have been previously treated with monotherapy of an ARB for more than 4 weeks, however, whose blood pressure has not been reached the target defined by the JSH2009 criteria. 2)Patients who fully understand the study procedures explained to them using explanatory notes and have given written informed consent to participate in the study

Exclusion criteria

Exclusion criteria: 1)The age <20 years 2)Patients with secondary hypertension 3)-7)Contraindication of Valsartan and Hydrochlorothiazide 8)Patients who are considered not eligible for the study by the attending doctor due to medical reasons

Design outcomes

Primary

MeasureTime frame
1)Office BP 2)Change before and after treatment of the following items:Cr,K,Na,HbA1c,serum uric acid,Lipid 3)Adverse Events:hyperuricemia,Hyponatremia,Edema 4)responder rate

Secondary

MeasureTime frame
1)Comparison of hypotensive effect by the level of sodium intake before drug administration 2)Comparison of responder rate by the level of sodium intake before drug administration 3)Change in urine albumin(before and after the treatment)

Countries

Japan

Contacts

Public ContactTeruo Inoue

Dokkyo Medical University Department of Cardiovascular Medicine

0282-86-1111

Outcome results

None listed

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