Is Family Screening Improved by Genetic Testing of Familial Hypercholesterolemia

NCT ID: NCT04526457

Last Updated: 2020-12-10

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

240 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-11-01

Study Completion Date

2017-04-01

Brief Summary

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To test the hypothesis that in patients with a clinical diagnosis of familial hypercholesterolemia (FH), genetic testing and identification of a causative mutation might enhance the success of family-based cascade screening.

Detailed Description

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To examine the impact of genetic testing on the efficiency of cascade screening for FH, patients with suspected FH or a clinical diagnosis of FH have been randomized to genetic testing or standard of care with lipid testing alone. After systematic encouragement of family enrollment, as a primary endpoint, the compared the number of probands with relatives enrolled in each group one year after results were returned to probands. The secondary endpoints examined include the number of relatives enrolled within 52 weeks of the genetic counseling call and the number of relatives diagnosed with FH through the study. Exploratory subgroup analyses were conducted stratifying the cohort by randomization/genetic test result. Further exploratory analyses compared probands' perceptions about high cholesterol diagnosis at baseline and at 20 weeks from enrollment

Conditions

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Hypercholesterolemia, Familial

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Probands were randomized 2:1 to genetic testing for FH plus lipid testing or lipid testing alone
Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Standard of Care

Participants with suspected FH (LDL-C greater than 220 mg/dL) or a previous clinical diagnosis of FH and randomized to standard of care with lipid testing only.

Group Type OTHER

Standard of Care

Intervention Type OTHER

Randomized to standard of care with lipid testing only.

Genetic Testing

Participants with suspected FH (LDL-C greater than 220 mg/dL) or a previous clinical diagnosis of FH randomized to genetic testing

Group Type OTHER

Genetic Testing

Intervention Type OTHER

Randomized to genetic testing.

Interventions

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Standard of Care

Randomized to standard of care with lipid testing only.

Intervention Type OTHER

Genetic Testing

Randomized to genetic testing.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

1. LDL cholesterol \> 220 mg/dL or a previous clinical diagnosis of FH
2. Aged 18 years or older
3. Ability to provide informed consent
4. Willingness/ability to contact a minimum of 2 biological relatives about the study


1. Willingness to participate in the study
2. Age 10 or older
3. Ability to give informed consent/assent
Minimum Eligible Age

10 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University of Pennsylvania

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Daniel J Rader, MD

Role: PRINCIPAL_INVESTIGATOR

University of Pennsylvania

References

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Abul-Husn NS, Manickam K, Jones LK, Wright EA, Hartzel DN, Gonzaga-Jauregui C, O'Dushlaine C, Leader JB, Lester Kirchner H, Lindbuchler DM, Barr ML, Giovanni MA, Ritchie MD, Overton JD, Reid JG, Metpally RP, Wardeh AH, Borecki IB, Yancopoulos GD, Baras A, Shuldiner AR, Gottesman O, Ledbetter DH, Carey DJ, Dewey FE, Murray MF. Genetic identification of familial hypercholesterolemia within a single U.S. health care system. Science. 2016 Dec 23;354(6319):aaf7000. doi: 10.1126/science.aaf7000.

Reference Type BACKGROUND
PMID: 28008010 (View on PubMed)

Benn M, Watts GF, Tybjaerg-Hansen A, Nordestgaard BG. Familial hypercholesterolemia in the danish general population: prevalence, coronary artery disease, and cholesterol-lowering medication. J Clin Endocrinol Metab. 2012 Nov;97(11):3956-64. doi: 10.1210/jc.2012-1563. Epub 2012 Aug 14.

Reference Type BACKGROUND
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Mortensen MB, Kulenovic I, Klausen IC, Falk E. Familial hypercholesterolemia among unselected contemporary patients presenting with first myocardial infarction: Prevalence, risk factor burden, and impact on age at presentation. J Clin Lipidol. 2016 Sep-Oct;10(5):1145-1152.e1. doi: 10.1016/j.jacl.2016.06.002. Epub 2016 Jun 14.

Reference Type BACKGROUND
PMID: 27678431 (View on PubMed)

De Backer G, Besseling J, Chapman J, Hovingh GK, Kastelein JJ, Kotseva K, Ray K, Reiner Z, Wood D, De Bacquer D; EUROASPIRE Investigators. Prevalence and management of familial hypercholesterolaemia in coronary patients: An analysis of EUROASPIRE IV, a study of the European Society of Cardiology. Atherosclerosis. 2015 Jul;241(1):169-75. doi: 10.1016/j.atherosclerosis.2015.04.809. Epub 2015 Apr 30.

Reference Type BACKGROUND
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Reference Type BACKGROUND
PMID: 25682442 (View on PubMed)

Pang J, Poulter EB, Bell DA, Bates TR, Jefferson VL, Hillis GS, Schultz CJ, Watts GF. Frequency of familial hypercholesterolemia in patients with early-onset coronary artery disease admitted to a coronary care unit. J Clin Lipidol. 2015 Sep-Oct;9(5):703-8. doi: 10.1016/j.jacl.2015.07.005. Epub 2015 Jul 18.

Reference Type BACKGROUND
PMID: 26350818 (View on PubMed)

Nordestgaard BG, Chapman MJ, Humphries SE, Ginsberg HN, Masana L, Descamps OS, Wiklund O, Hegele RA, Raal FJ, Defesche JC, Wiegman A, Santos RD, Watts GF, Parhofer KG, Hovingh GK, Kovanen PT, Boileau C, Averna M, Boren J, Bruckert E, Catapano AL, Kuivenhoven JA, Pajukanta P, Ray K, Stalenhoef AF, Stroes E, Taskinen MR, Tybjaerg-Hansen A; European Atherosclerosis Society Consensus Panel. Familial hypercholesterolaemia is underdiagnosed and undertreated in the general population: guidance for clinicians to prevent coronary heart disease: consensus statement of the European Atherosclerosis Society. Eur Heart J. 2013 Dec;34(45):3478-90a. doi: 10.1093/eurheartj/eht273. Epub 2013 Aug 15.

Reference Type BACKGROUND
PMID: 23956253 (View on PubMed)

Programme WHOHG. Familial hypercholesterolaemia (FH) : report of a second WHO consultation, Geneva, 4 September 1998. 1999:This report is dedicated to the memory of Professo.

Reference Type BACKGROUND

CDC. Genomic tests by levels of evidence. Centers for Disease Control Office of Public Health Genomics. http://www.cdc.gov/genomics/gtesting/file/print/tier.pdf. Published 2013. Accessed August 23, 2016.

Reference Type BACKGROUND

Knowles JW, Rader DJ, Khoury MJ. Cascade Screening for Familial Hypercholesterolemia and the Use of Genetic Testing. JAMA. 2017 Jul 25;318(4):381-382. doi: 10.1001/jama.2017.8543. No abstract available.

Reference Type BACKGROUND
PMID: 28742895 (View on PubMed)

Sturm AC, Knowles JW, Gidding SS, Ahmad ZS, Ahmed CD, Ballantyne CM, Baum SJ, Bourbon M, Carrie A, Cuchel M, de Ferranti SD, Defesche JC, Freiberger T, Hershberger RE, Hovingh GK, Karayan L, Kastelein JJP, Kindt I, Lane SR, Leigh SE, Linton MF, Mata P, Neal WA, Nordestgaard BG, Santos RD, Harada-Shiba M, Sijbrands EJ, Stitziel NO, Yamashita S, Wilemon KA, Ledbetter DH, Rader DJ; Convened by the Familial Hypercholesterolemia Foundation. Clinical Genetic Testing for Familial Hypercholesterolemia: JACC Scientific Expert Panel. J Am Coll Cardiol. 2018 Aug 7;72(6):662-680. doi: 10.1016/j.jacc.2018.05.044.

Reference Type BACKGROUND
PMID: 30071997 (View on PubMed)

Umans-Eckenhausen MA, Defesche JC, Sijbrands EJ, Scheerder RL, Kastelein JJ. Review of first 5 years of screening for familial hypercholesterolaemia in the Netherlands. Lancet. 2001 Jan 20;357(9251):165-8. doi: 10.1016/S0140-6736(00)03587-X.

Reference Type BACKGROUND
PMID: 11213091 (View on PubMed)

Leren TP, Finborud TH, Manshaus TE, Ose L, Berge KE. Diagnosis of familial hypercholesterolemia in general practice using clinical diagnostic criteria or genetic testing as part of cascade genetic screening. Community Genet. 2008;11(1):26-35. doi: 10.1159/000111637. Epub 2008 Jan 15.

Reference Type BACKGROUND
PMID: 18196915 (View on PubMed)

Nherera L, Marks D, Minhas R, Thorogood M, Humphries SE. Probabilistic cost-effectiveness analysis of cascade screening for familial hypercholesterolaemia using alternative diagnostic and identification strategies. Heart. 2011 Jul;97(14):1175-81. doi: 10.1136/hrt.2010.213975.

Reference Type BACKGROUND
PMID: 21685482 (View on PubMed)

deGoma EM, Ahmad ZS, O'Brien EC, Kindt I, Shrader P, Newman CB, Pokharel Y, Baum SJ, Hemphill LC, Hudgins LC, Ahmed CD, Gidding SS, Duffy D, Neal W, Wilemon K, Roe MT, Rader DJ, Ballantyne CM, Linton MF, Duell PB, Shapiro MD, Moriarty PM, Knowles JW. Treatment Gaps in Adults With Heterozygous Familial Hypercholesterolemia in the United States: Data From the CASCADE-FH Registry. Circ Cardiovasc Genet. 2016 Jun;9(3):240-9. doi: 10.1161/CIRCGENETICS.116.001381. Epub 2016 Mar 24.

Reference Type BACKGROUND
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Stone NJ, Robinson JG, Lichtenstein AH, Bairey Merz CN, Blum CB, Eckel RH, Goldberg AC, Gordon D, Levy D, Lloyd-Jones DM, McBride P, Schwartz JS, Shero ST, Smith SC Jr, Watson K, Wilson PW; American College of Cardiology/American Heart Association Task Force on Practice Guidelines. 2013 ACC/AHA guideline on the treatment of blood cholesterol to reduce atherosclerotic cardiovascular risk in adults: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines. J Am Coll Cardiol. 2014 Jul 1;63(25 Pt B):2889-934. doi: 10.1016/j.jacc.2013.11.002. Epub 2013 Nov 12. No abstract available.

Reference Type BACKGROUND
PMID: 24239923 (View on PubMed)

Ajufo E, deGoma EM, Raper A, Yu KD, Cuchel M, Rader DJ. A randomized controlled trial of genetic testing and cascade screening in familial hypercholesterolemia. Genet Med. 2021 Sep;23(9):1697-1704. doi: 10.1038/s41436-021-01192-z. Epub 2021 May 26.

Reference Type DERIVED
PMID: 34040191 (View on PubMed)

Other Identifiers

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820969

Identifier Type: -

Identifier Source: org_study_id

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