Trial reportDrugs1992
Swiss hypertension treatment programme with verapamil and/or enalapril in diabetic patients.
Trial report in Drugs, 1992. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed, 7 citations in OpenAlex.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The purpose of the present study was to assess the efficacy and tolerability of diuretic-free antihypertensive therapy with a calcium antagonist and/or an angiotensin converting enzyme (ACE) inhibitor in patients with diabetes mellitus. 54 hypertensive [blood pressure (BP) above 140/90mm Hg] patients with diabetes mellitus type 1 (n = 7) or 2 (n = 47) and normal serum creatinine levels (mean 82 +/- 6 mumol/L) received either verapamil or enalapril after a 2-week washout and a 4-week placebo phase. If BP remained elevated, both agents were combined. Verapamil or enalapril alone normalised diastolic BP (to less than 90mm Hg) in 36 patients; verapamil decreased BP from 159/98 to 147/87mm Hg (n = 19, p < 0.001) and enalapril decreased BP from 166/99 to 146/88mm Hg (n = 17, p < 0.001). In 18 patients who remained hypertensive after 10 weeks of monotherapy, a combination of both drugs decreased BP from 169/104 to 151/90mm Hg (p < 0.001). Overall, 87% of patients achieved a target BP response at 30 weeks. Urinary albumin as related to creatinine excretion (UAE; micrograms albumin:mg creatinine) was on average not significantly changed after verapamil or enalapril treatment, alone or combined. Nevertheless, in patients with initial microalbuminuria, UAE decreased (p < 0.05) during enalapril treatment. Serum potassium, total lipids, high density lipoprotein cholesterol, low density lipoprotein cholesterol, glycosylated haemoglobin, serum C peptide and fructosamine levels were not significantly modified by treatment. Subjective tolerability of the drugs was also generally good. Thus, in hypertensive patients with diabetes, a diuretic-free therapy based on the calcium antagonist verapamil or the ACE inhibitor enalapril, alone or combined, can effectively decrease BP without adversely affecting carbohydrate and lipid metabolism.
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