Trial reportDrugs1993
Lipid profile during antihypertensive treatment. The SLIP Study Group. Study on Lipids with Isoptin Press.
Trial report in Drugs, 1993. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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
1 citing paper in PubMed, 12 citations in OpenAlex.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Some antihypertensive drugs adversely affect the plasma lipid profile, and this has to be taken into account when choosing treatment for hypertension because it may offset the beneficial blood pressure-lowering effect of these agents. In this study, the long term effects of verapamil sustained release (SR) 240mg daily and enalapril 20mg daily on plasma lipid levels were investigated in 931 patients with mild to moderate hypertension. Patients whose blood pressure was not effectively lowered after at least 1 month of monotherapy had either enalapril 20mg once daily added to their verapamil treatment or hydrochlorothiazide 12.5mg once daily added to their enalapril treatment. Blood pressure and lipid profile were assessed before and after 6 months of treatment. Of 864 evaluable patients, 563 patients (65.1%) were successfully treated with monotherapy and 220 patients (25.5%) required combination therapy. A total of 81 patients withdrew from the trial. Systolic and diastolic blood pressure were significantly reduced by treatment with either verapamil or enalapril, and heart rate was reduced slightly, but significantly, by both treatments. Total cholesterol, triglycerides and low density lipoprotein were significantly reduced by both treatments. High density lipoprotein levels were significantly increased in verapamil recipients, but not in enalapril recipients. Adverse effects occurred in 37 (3.9%) patients receiving verapamil SR and 25 (2.7%) patients receiving enalapril. In conclusion, long term treatment with the antihypertensive agents verapamil and enalapril, alone or in combination regimens, significantly improved the plasma lipid profile. Verapamil SR had the most beneficial effect on plasma lipid levels.
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