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Examination of effects of aggressive antihypertensive therapy on renal and vascular endothelial function

Examination of effects of aggressive antihypertensive therapy on renal and vascular endothelial function - ATTACK ( Antihypertensive Therapy for vascular endothelial function and kidney)

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000001629
Enrollment
200
Registered
2024-01-01
Start date
2008-09-01
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

Sponsors

Study group for vascular protection
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1) Patients with essential hypertension, who have been previously treated with monotherapy of an RAS blocker for 4 weeks or more, however, the target blood pressure defined by the guideline for treatment of hypertension has not been achieved 2) Outpatients aged 30 to 75 years at the time of the first visit 3) Patients who fully understand the study procedures and have given written informed consent to participate in the study

Exclusion criteria

Exclusion criteria: 1) Patients with overt nephropathy (microalbuminuria more than 300 mg/g Cr) 2) Patients with uncontrolled hypertension (systolic blood pressure more than 180mmHg or diastolic blood pressure more than 110mmHg at the time of informed consent) 3) Patients with malignant hypertension 4) Patients with secondary hypertension 5) Patients with liver dysfunction (ALT or AST over three times the normal value) 6) Patients with a previous history of gout attack 7) Patients who have critical cardiovascular complications that required hospitalization within 6 months prior to informed consent 8) Pregnant or breast feeding female patients, including one trying to conceive pregnancy during the planned study period 9) Patients with cardiac insufficiency (above NYHA grade III) 10) Patients with uncontrolled arrhythmia 11) Patients under treatment with diuretics 12) Patients with a history of hypersensitivity to ingredients of the study drugs 13) Patients who are considered not eligible for the study by the attending doctor due to medical reasons

Design outcomes

Primary

MeasureTime frame
Change in microalbuminuria after 48 weeks of treatment

Secondary

MeasureTime frame
-Change and % change in flow-mediated vasodilatation (FMD) and cardio ankle vascular index (CAVI) after 48 weeks of treatment [only in patients with microalbuminuria (8-299 mg/g Cr) during the observation period] - Change and %change in microalbuminuria (excludin change after 48 weeks of treatment), uric acid in urine, Na in urine, eGFR, hs-CRP, BNP, serum uric acid, Na, K, Cl, P after 12 and 48 weeks of treatment - Change and % ahange in L-FABP in urine, 8OHdG in urine, homocysteine, plasma ADMA after 12 and 48 weeks of treatment [only in patients with microalbuminuria (8-299 mg/g Cr) during the observation period] -Change and %change in office/causual blood pressure after 12, 24, 36 and 48 weeks of treatment -Cost of antihypertensive ddrug used during the study period -Safety throughout the study period

Countries

Japan

Contacts

Public ContactNorio Komai

Study group for vascular protection secretariat Study group for vascular protection secretariat

komai@med.kawasaki-m.ac.jp086-462-1111

Outcome results

None listed

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