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Completed Phase 4 Interventional

SMOOTH - Blood Pressure Control in Diabetic/Obese Patients

ClinicalTrials.gov ID: NCT00239538

Public ClinicalTrials.gov record NCT00239538. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 19, 2026, 8:54 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Prospective, Randomized, Open-label, Blinded Endpoint, Forced Titration Study to Compare Telmisartan Combined With HCTZ (80mg/12.5mg), to Valsartan Combined With HCTZ (160mg/12.5mg), for the Control of Mild-to-moderate Hypertension in Obese Patients With Type 2 Diabetes Mellitus Using ABPM.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The primary objective of this study is to demonstrate that telmisartan 80 mg combined with hydrochlorothiazide 12.5 mg (T80/H12.5) is at least as effective and possibly superior to valsartan 160 mg combined with hydrochlorothiazide 12.5 mg (V160/H12.5) in lowering mean ambulatory systolic blood pressure (SBP) and diastolic blood pressure (DBP) during the last 6 hours of the 24-hour dosing interval at the end of a 10-week treatment period in mild-to-moderate hypertensive, overweight or obese patients with type 2 diabetes mellitus

Study identification

NCT ID
NCT00239538
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
Boehringer Ingelheim
Industry
Enrollment
840 participants

Conditions and interventions

Eligibility (public fields only)

Age range
30 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 2003 (Type not available)
Primary completion
Dec 2004 (Actual)
Completion
Dec 2004 (Type not available)
Last update posted
Nov 8, 2013

2003 – 2004

United States locations

U.S. sites
60
U.S. states
24
U.S. cities
50
Facility City State ZIP Site status
Cooper Green Hospital Birmingham Alabama 35223 —
Boehringer Ingelheim Investigational Site Birmingham Alabama 35294-2041 —
Boehringer Ingelheim Investigational Site Huntsville Alabama 35801 —
Boehringer Ingelheim Investigational Site Mobile Alabama 36608 —
Boehringer Ingelheim Investigational Site Glendale Arizona 85306 —
Boehringer Ingelheim Investigational Site Tucson Arizona 85712 —
Memorial Research Medical Clinic Long Beach California 90806 —
1200 Los Angeles California 90033 —
Boehringer Ingelheim Investigational Site Los Angeles California 90057 —
8615 Nuena Park California 90620 —
Boehringer Ingelheim Investigational Site Orange California 92868 —
Boehringer Ingelheim Investigational Site Sacramento California 95825 —
Boehringer Ingelheim Investigational Site Sacramento California 95841 —
595 San Francisco California 94132 —
1805 Stockton California 95204 —
Boehringer Ingelheim Investigational Site Torrance California 90505 —
2311 Washington D.C. District of Columbia 20037 —
Boehringer Ingelheim Investigational Site Fort Lauderdale Florida 33308-4311 —
Boehringer Ingelheim Investigational Site Fort Lauderdale Florida 33308 —
6448 Hollywood Florida 33023 —
Boehringer Ingelheim Investigational Site Melbourne Florida 32901 —
Attention: Larry I. Gilderman, D.O. Pembroke Pines Florida 33024 —
Boehringer Ingelheim Investigational Site Pembroke Pines Florida 33027 —
Boehringer Ingelheim Investigational Site Pembroke Pines Florida 33028 —
Boehringer Ingelheim Investigational Site Pinellas Park Florida 33781 —
Boehringer Ingelheim Investigational Site West Palm Beach Florida 33401 —
Herron Medical Center, Ltd. Chicago Illinois 60610 —
Boehringer Ingelheim Investigational Site Chicago Illinois 60612 —
Boehringer Ingelheim Investigational Site Orland Park Illinois 60462 —
Boehringer Ingelheim Investigational Site Evansville Indiana 47710 —
Boehringer Ingelheim Investigational Site Evansville Indiana 47713 —
Boehringer Ingelheim Investigational Site Shawnee Kansas 66216 —
Boehringer Ingelheim Investigational Site Wichita Kansas 67212 —
Boehringer Ingelheim Investigational Site New Orleans Louisiana 70119 —
Boehringer Ingelheim Investigational Site Baltimore Maryland 21204 —
200 Baltimore Maryland 21218 —
Boehringer Ingelheim Investigational Site Kansas City Missouri 64114 —
12401 St Louis Missouri 63141 —
Boehringer Ingelheim Investigational Site Missoula Montana 59802 —
Boehringer Ingelheim Investigational Site Brooklyn New York 11203 —
3 Buffalo New York 14209 —
Comprehensive Clinical Research Bina North Carolina 08009 —
Boehringer Ingelheim Investigational Site Winston-Salem North Carolina 27103 —
Boehringer Ingelheim Investigational Site Kettering Ohio 45429 —
Boehringer Ingelheim Investigational Site Marion Ohio 43302 —
Boehringer Ingelheim Investigational Site Oklahoma City Oklahoma 73132-4904 —
Boehringer Ingelheim Investigational Site Portland Oregon 97232 —
Boehringer Ingelheim Investigational Site Broomal Pennsylvania 19008 —
6605 Bartlett Tennessee 38134 —
108 Fayetteville Tennessee 37334 —
Boehringer Ingelheim Investigational Site Carrollton Texas 75006 —
7777 Dallas Texas 75230 —
Boehringer Ingelheim Investigational Site El Paso Texas 79912 —
Team Research of Texas Harker Heights Texas 76548 —
Boehringer Ingelheim Investigational Site San Antonio Texas 78217 —
Boehringer Ingelheim Investigational Site San Antonio Texas 78229-4801 —
420 Salt Lake City Utah 84111 —
20901 Ettrick Virginia 23803 —
Boehringer Ingelheim Investigational Site Spokane Washington 99207 —
5000 Miwaukee Wisconsin 53295 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 42 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00239538, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Nov 8, 2013 · Synced Oct 19, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00239538 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →