Evidence map›Paper›PMID 1991366›Full record

Trial reportCirculation1991

Effects of colestipol-niacin therapy on human femoral atherosclerosis.

D H Blankenhorn, S P Azen, D W Crawford, S A Nessim, M E Sanmarco, R H Selzer, A M Shircore, E C Wickham

Registry-linked trialOpen access · bronzeAbstract readClinical TrialComparative StudyRandomized Controlled Trial
PubMed Publisher
In one paragraph

Trial report in Circulation, 1991. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It reports registered trial NCT00000599. Cited by 18 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 1 pooled it
13.4field-weighted citation impact, top 1% of its field
1 · What the graph read from it

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.

2 · The registry

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.

NCT00000599 phase3completed

Cholesterol-Lowering Atherosclerosis Study (CLAS)

Ran1980Registered outcomes0Posted comparisons0ConditionsArterial Occlusive Diseases, Atherosclerosis, Cardiovascular Diseases, Carotid Artery DiseasesArmscolestipol, diet, fat-restricted, niacin
Open the trial in the graph
3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 1 synthesis or guideline pooled it, 173 citations in OpenAlex.

  1. Lipid-lowering for peripheral arterial disease of the lower limb.The Cochrane database of systematic reviews · 2007
    Pooled it
  2. Trial
  3. Article
  4. Review
  5. Article
  6. Review
  7. Review
  8. Article
  9. Article
  10. Does nicotinic acid (niacin) lower blood pressure?International journal of clinical practice · 2009
    Review
  11. Review
  12. Review
  13. Review
  14. Peripheral Arterial Disease.Current treatment options in cardiovascular medicine · 1999
    Article
  15. Article
  16. Article
  17. Atherosclerosis--reversal with therapy.The Western journal of medicine · 1993
    Review
  18. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 1 institution in 1 country.

D H BlankenhornDepartment of Medicine, University of Southern California, Los Angeles 90033.
S P Azen
D W Crawford
S A Nessim
M E Sanmarco
R H Selzer
A M Shircore
E C Wickham
University of Southern California · US

Funding

NHLBI NIH HHS R01-HL-23619
6 · The paper itself

Abstract

The 2-year therapy effect on femoral atherosclerosis was evaluated in the Cholesterol Lowering Atherosclerosis Study (CLAS), a randomized, placebo-plus-diet-controlled angiographic trial of colestipol-niacin therapy plus diet in men with previous coronary bypass surgery. Different diet compositions were prescribed to enhance the differential in blood cholesterol responses between the two groups. The annual rate of change in computer-estimated atherosclerosis (CEA), a measure of lumen abnormality, was evaluated between treatment groups. A significant per-segment therapy effect was found in segments with moderately severe atherosclerosis (p less than 0.04) and in proximal segments (p less than 0.02). When segmental CEA measures were combined into a per-patient score using an adaptation of the National Heart, Lung, and Blood Institute scoring procedure, a significant therapy effect was observed (p less than 0.02). Total variance of the annual change rate in CEA was as predicted from pilot studies, but measurement variation was larger. The therapy effect observed in femoral arteries, although significant, was less marked than the strong and consistent benefit previously reported for both native coronary arteries and aortocoronary bypass grafts.

Indexed as

ArteriosclerosisCholesterol, DietaryCholesterol, LDLColestipolCombined Modality TherapyCoronary Artery BypassFemoral ArteryHumansImage Interpretation, Computer-AssistedMaleMiddle AgedNiacinRadiographyCholesterol, DietaryCholesterol, LDLColestipolNiacin

Identifiers

PMID1991366
OpenAlexW2155655406

What Socratic holds

Textmetadata
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.