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Both ACE Inhibitors and ARBs Slow Renal Decline in Type 2 Diabetes
Both ACE Inhibitors and ARBs Slow Renal Decline in Type 2 Diabetes -- Posted by Gumbo on 12-24-04 06:14
Both ACE Inhibitors and ARBs Slow Renal Decline in Type 2 Diabetes
Peggy Peck
(Munich, Germany) - In a head-to-head comparison, the
angiotensin-converting enzyme (ACE) inhibitor enalapril and the
angiotensin-receptor blocker (ARB) telmisartan were equally effective in
slowing kidney damage in people with type 2 diabetes, hypertension, and
nephropathy, according to results from the Diabetics Exposed to Telmisartan
and Enalapril (DETAILS) study reported here at the European Society of
Cardiology Congress 2004.
"The results show that telmisartan is a valid choice in selecting a
treatment," Anthony Barnett, MD, consulting physician and clinical director
of diabetes and endocrinology at Birmingham HeartLands Hospital and
professor of medicine at the University of Birmingham, U.K., said. Dr.
Barnett explained that the study represented the largest long-term look at
treatment of diabetic patients with kidney dysfunction.
Speaking at an ESC press conference, Dr. Barnett said the trial was designed
to "prove non inferiority of telmisartan to enalapril, and we were able to
show that."
The study randomized 250 patients to enalapril 10 mg for one month, with a
forced titration to 20 mg for 59 months or 40 mg of telmisartan for one
month and then 80 mg for the rest of the five-year period. "Doctors were
permitted to reduce the dosing if there were side effects, but that was rare
in the trial," Dr. Barnett said. Patients were excluded if they had
previously shown intolerability toward ACE inhibitors.
The primary outcome was change in glomerular filtration rate after five
years. In the telmisartan group, the average decline in the glomerular
filtration rate was 17.9 mL per minute, while in the enalapril group it was
14.9 mL per minute. The differences were not significant, Dr. Barnett said.
"There were no surprises with the outcomes in this study," said Lars Ryden,
MD, professor of cardiology at Karolinska Hospital in Stockholm, Sweden. "It
shows that doctors are correct in beginning treatment of these diabetic
patients with an ACE inhibitor." Dr. Ryden was not involved in the study.
In addition, a dramatic reduction in predicted mortality was seen with the
use of either drug. Dr. Barnett said the death rate over the five-year trial
was expected to be 35% to 50%, which was based on established five-year
mortality rates in people with newly diagnosed diabetic nephropathy. But
only six people in each group died - a 5% mortality rate. Moreover, none of
the patients in the study progressed to end-stage renal disease. About half
of the patients in the study had documented cardiovascular disease.
Asked if the findings illustrate a class effect for both ACE inhibitors and
ARBs, Dr. Barnett said "One assumes it is a class effect, but these are the
drugs that were used in the study. That is what the science shows."
Dr. Ryden agreed that the findings are likely to demonstrate a class effect
for the drugs, but he noted that that lipophilic ACE inhibitors such as
ramipril and enalapril, which was used in the study, are likely better
choices.
The study was funded by Boehringer-Ingelheim.
ESC Congress 2004: Abstract 2583. Presented Aug. 31, 2004.
Re: Both ACE Inhibitors and ARBs Slow Renal Decline in Type 2 Diabetes -- Posted by golamuh on 01-03-05 17:15
Where do you buy these things and are they drugs or herbs.
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