1 Year Trial Telmisartan 80 mg Versus Valsartan 160 mg in Hypertensive Type 2 Diabetic Patients With Overt Nephropathy

NCT ID: NCT00153023

Last Updated: 2013-11-13

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

885 participants

Study Classification

INTERVENTIONAL

Study Start Date

2003-04-30

Study Completion Date

2005-12-31

Brief Summary

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The general aim of this study is to compare telmisartan 80 mg with valsartan 160 mg in hypertensive patients with type 2 diabetes and overt nephropathy with adjusted blood pressure beyond the target of 130/80 mmHg after one year of treatment.

The primary objective of this study is to show that telmisartan 80 mg is at least as effective (i.e., not inferior) and possibly superior to valsartan 160 mg in reducing 24 hour proteinuria after one year of treatment.

Detailed Description

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This is a randomised, double-blind, double-dummy, forced titration, multicentre, parallel group trial in patients with essential hypertension, diabetes mellitus type 2 and diabetic nephropathy.

After a 4-6 week Run-in period, patients are randomised to one of the treatment groups and receive either Telmisartan 40 - 80 mg or Valsartan 80 - 160 mg. The treatment regimen is a forced titration with the lower dose given for 2 weeks and the higher dose given for the rest of the treatment period summing up to 52 weeks of treatment. During the treatment period, 8 visits to the investigator are scheduled in order to control blood pressure, renal function parameters and safety. In addition, parameters of endothelial function and oxidative stress are measured at baseline, 6 months and after one year of treatment.

Study Hypothesis:

Non-inferiority of telmisartan 80 mg compared to valsartan 160 mg will be tested using the following set of hypotheses:

Null Hypothesis:

The overall mean change from baseline in UPER (24 hour urinary protein excretion rate) for telmisartan 80 mg is inferior to that for valsartan 160 mg by 0.5 g/day or more.

Alternative Hypothesis:

The overall mean change from baseline in UPER (24 hour urinary protein excretion rate) for telmisartan 80 mg is less than 0.5 g/day worse than that for valsartan 160 mg.

Comparison(s):

In order to test the non-inferiority hypothesis, analysis of covariance with treatment and centre as main effects and baseline as a covariate will be performed. Time-to-event data will be analysed using the log-rank test.

Conditions

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Diabetic Nephropathies Hypertension

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Interventions

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Telmisartan

Intervention Type DRUG

Valsartan

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Type 2 diabetes mellitus
2. Aged 30-70 years of age
3. Hypertension at screening defined as:

* an average cuff systolic blood pressure \> 130 mmHg and/or diastolic blood pressure \>80 mmHg in untreated patients OR
* patients receiving antihypertensive therapy (i.e., medications specifically prescribed to treat hypertension)
4. Overt nephropathy defined by 24 hour proteinuria \>= 900 mg and by serum creatinine below 265 mol/l (3.0 mg/dl)
Minimum Eligible Age

30 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Boehringer Ingelheim

INDUSTRY

Sponsor Role lead

Principal Investigators

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Boehringer Ingelheim Study Coordinator

Role: STUDY_CHAIR

B.I. Pharma GmbH & Co. KG

Locations

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University Hospital St. Anna

Brno, , Czechia

Site Status

University Hospital Hradec Kralove

Hradec Králové, , Czechia

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University Hospital Vihohrady

Prague, , Czechia

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General University Hospital

Prague, , Czechia

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District Hospital Tabor

Tábor, , Czechia

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Masaryk Hospital

Ústí nad Labem, , Czechia

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Hospital Usti nad Orlici

Ústí nad Orlicí, , Czechia

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Medical Department

Copenhagen NV, , Denmark

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Medicinsk afdeling

Fredericia, , Denmark

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Medicinsk afdeling F, Endokrinologisk

Hiller?d, , Denmark

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Endokrinologisk afdeling

Hvidovre, , Denmark

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Medical Department

Roskilde, , Denmark

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Chu Sud

Amiens, , France

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Centre Hospitalier

Beauvais, , France

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Hopital Duchenne

Boulogne-sur-Mer, , France

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Hopital Clemenceau

Caen, , France

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Centre Hospitalier

Dunkirk, , France

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Hopital Albert Michalon

La Tronche, , France

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Hopital A.Mignot

Le Chesnay, , France

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Hopital Maison Blanche

Reims, , France

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Hopital Yves Le Foll

Saint-Brieuc, , France

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Hopital Saint Quentin

Saint-Quentin, , France

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Centre Hospitalier

Valenciennes, , France

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Boehringer Ingelheim Investigational Site

Aschaffenburg, , Germany

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Diabetes Klinik Bad Mergentheim

Bad Mergentheim, , Germany

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Institut fur Klinische Forschung

Berlin, , Germany

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Charite Campus Buch

Berlin, , Germany

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KFH Dialysezentrum

Eberswalde, , Germany

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Universitatsklinik Heidelberg

Heidelberg, , Germany

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Boehringer Ingelheim Investigational Site

Karlsruhe, , Germany

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Institut fur Klinische Forschung

Mainz, , Germany

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Boehringer Ingelheim Investigational Site

Münster, , Germany

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Boehringer Ingelheim Investigational Site

Neuwied, , Germany

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Boehringer Ingelheim Investigational Site

Pirna, , Germany

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Boehringer Ingelheim Investigational Site

Riesa, , Germany

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Boehringer Ingelheim Investigational Site

Rosenheim, , Germany

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Boehringer Ingelheim Investigational Site

Saarbrücken, , Germany

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Boehringer Ingelheim Investigational Site

Saarlouis, , Germany

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Boehringer Ingelheim Investigational Site

Sinsheim, , Germany

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Boehringer Ingelheim Investigational Site

Speyer, , Germany

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Internist

Würzburg, , Germany

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Azienda Ospedaliera Policlinico S. Orsola Malpighi

Bologna, , Italy

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Ospedali Riuniti di Livorno

Livorno, , Italy

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Presidio Ospedaliero Campo di Marte

Lucca, , Italy

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Universita degli Studi "Federico II"

Napoli, , Italy

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Azienda Ospedaliera di Padova

Padua, , Italy

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IRCCS Policlinico S.Matteo

Pavia, , Italy

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Policlinico Monteluce

Perugia, , Italy

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Azienda Ospedaliera S. Maria degli Angeli

Pordenone, , Italy

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Ospedale "S. Maria delle Croci"

Ravenna, , Italy

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Universita Tor Vergata

Roma, , Italy

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Penang General Hospital

George Town, , Malaysia

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Hospital Ipoh

Ipoh, Perak, , Malaysia

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University Sains Malaysia

Kelantan, , Malaysia

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Hospital Kuala Lumpur

Kuala Lumpur, , Malaysia

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University Malaya Medical Centre

Kuala Lumpur, , Malaysia

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Hospital Putrajaya

Kuala Selangor, , Malaysia

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Centro Hospitalar de Coimbra

Coimbra, , Portugal

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Hospital Distrital de Faro

Faro, , Portugal

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Hospital Curry Cabral

Lisbon, , Portugal

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Hospital de Santa Maria

Lisbon, , Portugal

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Hospital de Santa Marta

Lisbon, , Portugal

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Associac?o Protectora dos Diabeticos de Portugal

Lisbon, , Portugal

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Hospital Pedro Hispano

Matosinhos Municipality, , Portugal

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Hospital de S. Jo?o

Porto, , Portugal

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Centro Hospitalar Vila Nova de Gaia

Vila Nova de Gaia, , Portugal

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Medical Academy named Sechenova I.M.

Moscow, , Russia

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Russian State Medical University

Moscow, , Russia

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Russian State Medical University

Moscow, , Russia

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National Endocrinology Research Center of Russia

Moscow, , Russia

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Russian State Medical University

Moscow, , Russia

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President's Medical Center

Moscow, , Russia

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Russian Cardiology Research Center

Moscow, , Russia

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Russian Academy for Advanced Medical Studies

Moscow, , Russia

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Moscow President's Medical Center

Moscow, , Russia

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Regional Clinical Scientific Research Institute

Moscow, , Russia

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City Hospital of Saint Elizaveta

Saint Petersburg, , Russia

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Military Medical Academy

Saint Petersburg, , Russia

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NovaMed

Banská Bystrica, , Slovakia

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Ministry Hospital of Internal Affairs

Bratislava, , Slovakia

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Faculty Hospital

Bratislava, , Slovakia

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Faculty Hospital of L. Derer

Bratislava, , Slovakia

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Diabetologic and Internal Clinic

Lučenec, , Slovakia

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Faculty Hospital

Nitra, , Slovakia

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Hospital Nove Mesto

Nové Mesto, , Slovakia

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Regional Hospital Nove Zamky

Nové Zámky, , Slovakia

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MSP-DIAGNOSTIK, Ltd.

Trenčín, , Slovakia

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Faculty Hospital Trnava

Trnava, , Slovakia

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Keimyung University Dongsan Medical Center

Daegu, , South Korea

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Yonsei University Medical Center

Seoul, , South Korea

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Hospital Torrecardenas

Almería, , Spain

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Hospital Ntra. Sra de Sonsoles

Ávila, , Spain

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Hospital Clinico y Provincial de Barcelona

Barcelona, , Spain

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Hospital Vall d'Hebron

Barcelona, , Spain

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Hospital de Basurto

Bilbao, , Spain

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Hospital Universitario Reina Sofia

Córdoba, , Spain

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Hospital de Cabuenes

Gijón, , Spain

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Hospital Virgen del Rocio

Seville, , Spain

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Hospital Universitario La Fe

Valencia, , Spain

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Changhua Christian Hospital

Changhua, , Taiwan

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Chi Mei Medical Center

Dawan, , Taiwan

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Buddhist Tzu Chi Hospital

Hualien City, , Taiwan

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National Cheng Kung University Hospital

Tainan City, , Taiwan

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Mackay Memorial Hospital

Taipei, , Taiwan

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Dnyepropyetrovsk Medical Academy

Dnyepropetrovsk, , Ukraine

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Kharkiv Medical State University

Kharkiv, , Ukraine

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Institute of Diabetic pathology problems

Kharkiv, , Ukraine

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Institute of Cardiology

Kiev, , Ukraine

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V.P. Komisarenko Institute of Endocrinology and Metabolism

Kiev, , Ukraine

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Kyiv Clinical Hospital No. 1

Kyiv, , Ukraine

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Zaporozhye Regional Clinical Hospital

Zaporizhzhya, , Ukraine

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Countries

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Netherlands South Africa Czechia Denmark France Germany Italy Malaysia Portugal Russia Slovakia South Korea Spain Taiwan Ukraine

Other Identifiers

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502.396

Identifier Type: -

Identifier Source: org_study_id