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Home > Studies > Studies of Left Ventricular Dysfunction (SOLVD)

Studies of Left Ventricular Dysfunction (SOLVD)

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Accession Number
HLB00320404a

Study Type
Clinical Trial

Collection Type
Open BioLINCC Study See bottom of this webpage for request information

Study Period
1985-1994

NHLBI Division
DCVS

Dataset(s) Last Updated
January 3, 2018

Clinical Trial URLs
https://clinicaltrials.gov/ct/show/NCT00000516

Primary Publication URLs
https://www.ncbi.nlm.nih.gov/pubmed/1463530

Consent

Commercial Use Data Restrictions No

Data Restrictions Based On Area Of Research No

Objectives

This study was initiated in 1986 primarily to evaluate the effects of enalapril, an ACE inhibitor, on long-term mortality and major morbidity in a group of patients with left ventricular dysfunction. Two large, separate trials were run concurrently as part of SOLVD: 1) a prevention trial of patients with low ejection fraction but no overt symptoms of CHF and, 2) a treatment trial of patients with low ejection fraction and symptoms of CHF. In addition, patients at selected sites were entered into substudies to evaluate the effect of enalapril on a number of intermediate outcomes such as right and left ventricular function and hemodynamics, LV mass and wall stress, hormones, arrhythmias, exercise capacity, and quality of life in subsets of patients. Lastly, a registry of 6,336 patients with congestive heart failure of LV dysfunction was designed to describe the clinical course of an unselected group of patients.

Background

Congestive Heart Failure (CHF) is a major and increasingly recognized public health problem. The recognition that patients with CHF often have elevated peripheral vascular resistance has led to the introduction of vasodilator therapy, which has emerged as an important component of its treatment. Of the vasodilators, the angiotensin-converting enzyme (ACE) inhibitors appeared to be the most promising. In 1985 little was known about the impact of any long-term drug treatment on survival.

SOLVD Registry: The SOLVD Registry is a hospital-based observational study, conducted at selected SOLVD hospitals, of patients with at least moderate left-ventricular dysfunction (EF ≤ 45%) and/or radiologically confirmed heart failure. It consists of a main study (n=6273) and a substudy (n=898). Although there is overlap between the Registry and the SOLVD trials, the Registry sample is not a subset of SOLVD nor is it the pool of patients eligible for both trials.

Subjects

There were two basic criteria for participants: 1) age between 21 and 80 years, inclusive, and 2) LV ejection fraction of less than or equal to 0.35, performed within 3 months of the day of consent. Ejection Fraction was assessed by 1 of 3 techniques: 1) radionuclide LV angiography; 2) LV contrast angiography, and 3) 2-dimensional echocardiography with ejection fraction calculated by the area length method or Simpson's rule. A total of 2,569 patients were enrolled into the treatment study and 4,228 patients were enrolled in the prevention study. The dataset available through the NHLBI contains the prevention and treatment study data and not the registry data.

Conclusions

In the prevention trial, a significant reduction in the incidence of heart failure and the rate of related hospitalizations was observed for patients in the enalapril arm. A statistically significant reduction in mortality was not observed in the enalapril treatment arm; however, there was a trend toward fewer total deaths and deaths due to cardiovascular causes among the enalapril patients. (N Engl J Med 1992; 327:685-91.)

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Resources Available

Study Datasets Only

Study Publications (26)

Study Documents

  • PDF SOLVD Data Dictionary (PDF - 442.0 KB)
  • PDF SOLVD Registry Data Dictionary (PDF - 404.3 KB)
  • PDF LAD Overview (PDF - 48.4 KB)
  • PDF Literature Review (PDF - 52.7 KB)
  • PDF M) Appendices to Manual of Operations (PDF - 804.3 KB)
  • PDF Manual of Operations June 1986 (PDF - 3.9 MB)
  • PDF SOLVD Registry Follow-Up Procedures (PDF - 4.0 MB)
  • PDF SOLVD Registry Forms (PDF - 6.3 MB)
  • PDF SOLVD Registry MOP (PDF - 8.5 MB)
  • PDF SOLVD Registry Protocol (PDF - 10.8 MB)
  • Docs
  • Forms
  • Protocol

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