Hemochromatosis and iron overload screening (HEIRS) Study design for an evaluation of 100,000 primary care-based adults

Christine E. McLaren, James C. Barton, Paul C. Adams, Emily L. Harris, Ronald T. Acton, Nancy Press, David M. Reboussin, Gordon D. McLaren, Phyliss Sholinsky, Ann P. Walker, Victor R. Gordeuk, Catherine Leiendecker-Foster, Fitzroy W. Dawkins, John H. Eckfeldt, Beverly G. Mellen, Mark Speechley, Elizabeth Thomson

    Research output: Contribution to journalArticle

    104 Citations (Scopus)

    Abstract

    Background: The HEIRS Study will evaluate the prevalence, genetic and environmental determinants, and potential clinical, personal, and societal impact of hemochromatosis and iron overload in a multiethnic, primary care-based sample of 100,000 adults over a 5-year period. Participants are recruited from 5 Field Centers. Laboratory testing and data management and analysis are performed in a Central Laboratory and Coordinating Center, respectively. Methods: Participants undergo testing for serum iron measures and common mutations of the hemochromatosis gene (HFE) on chromosome 6p and answer questions on demographics, health, and genetic testing attitudes. Participants with elevated values of transferrin saturation and serum ferritin and/or C282Y homozygosity are invited to undergo a comprehensive clinical examination (CCE), as are frequency-matched control subjects. These examinations provide data on personal and family medical history, lifestyle characteristics, physical examination, genetic counseling, and assessment of ethical, legal, and social implications. Primary and secondary causes of iron overload will be distinguished by clinical criteria. Iron overload will be confirmed by quantification of iron stores. Recruiting family members of cases will permit DNA analysis for additional genetic factors that affect iron overload. Results: Of the first 50,520 screened, 51% are white, 24% are African American, 11% are Asian, 11% are Hispanic, and 3% are of other, mixed, or unidentified race; 63% are female and 37% are male. Conclusions: Information from the HEIRS Study will inform policy regarding the feasibility, optimal approach, and potential individual and public health benefits and risks of primary care-based screening for iron overload and hemochromatosis.

    Original languageEnglish (US)
    Pages (from-to)53-62
    Number of pages10
    JournalAmerican Journal of the Medical Sciences
    Volume325
    Issue number2
    DOIs
    StatePublished - Feb 1 2003

    Fingerprint

    Iron Overload
    Hemochromatosis
    Primary Health Care
    Medical History Taking
    Iron
    Genetic Counseling
    Genetic Testing
    Insurance Benefits
    Transferrin
    Ferritins
    Serum
    Hispanic Americans
    African Americans
    Physical Examination
    Life Style
    Public Health
    Chromosomes
    Demography
    Mutation
    DNA

    Keywords

    • Genetic screening
    • Hemochromatosis HFE
    • Iron overload
    • Primary health care

    ASJC Scopus subject areas

    • Medicine(all)

    Cite this

    Hemochromatosis and iron overload screening (HEIRS) Study design for an evaluation of 100,000 primary care-based adults. / McLaren, Christine E.; Barton, James C.; Adams, Paul C.; Harris, Emily L.; Acton, Ronald T.; Press, Nancy; Reboussin, David M.; McLaren, Gordon D.; Sholinsky, Phyliss; Walker, Ann P.; Gordeuk, Victor R.; Leiendecker-Foster, Catherine; Dawkins, Fitzroy W.; Eckfeldt, John H.; Mellen, Beverly G.; Speechley, Mark; Thomson, Elizabeth.

    In: American Journal of the Medical Sciences, Vol. 325, No. 2, 01.02.2003, p. 53-62.

    Research output: Contribution to journalArticle

    McLaren, CE, Barton, JC, Adams, PC, Harris, EL, Acton, RT, Press, N, Reboussin, DM, McLaren, GD, Sholinsky, P, Walker, AP, Gordeuk, VR, Leiendecker-Foster, C, Dawkins, FW, Eckfeldt, JH, Mellen, BG, Speechley, M & Thomson, E 2003, 'Hemochromatosis and iron overload screening (HEIRS) Study design for an evaluation of 100,000 primary care-based adults', American Journal of the Medical Sciences, vol. 325, no. 2, pp. 53-62. https://doi.org/10.1097/00000441-200302000-00001
    McLaren, Christine E. ; Barton, James C. ; Adams, Paul C. ; Harris, Emily L. ; Acton, Ronald T. ; Press, Nancy ; Reboussin, David M. ; McLaren, Gordon D. ; Sholinsky, Phyliss ; Walker, Ann P. ; Gordeuk, Victor R. ; Leiendecker-Foster, Catherine ; Dawkins, Fitzroy W. ; Eckfeldt, John H. ; Mellen, Beverly G. ; Speechley, Mark ; Thomson, Elizabeth. / Hemochromatosis and iron overload screening (HEIRS) Study design for an evaluation of 100,000 primary care-based adults. In: American Journal of the Medical Sciences. 2003 ; Vol. 325, No. 2. pp. 53-62.
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    abstract = "Background: The HEIRS Study will evaluate the prevalence, genetic and environmental determinants, and potential clinical, personal, and societal impact of hemochromatosis and iron overload in a multiethnic, primary care-based sample of 100,000 adults over a 5-year period. Participants are recruited from 5 Field Centers. Laboratory testing and data management and analysis are performed in a Central Laboratory and Coordinating Center, respectively. Methods: Participants undergo testing for serum iron measures and common mutations of the hemochromatosis gene (HFE) on chromosome 6p and answer questions on demographics, health, and genetic testing attitudes. Participants with elevated values of transferrin saturation and serum ferritin and/or C282Y homozygosity are invited to undergo a comprehensive clinical examination (CCE), as are frequency-matched control subjects. These examinations provide data on personal and family medical history, lifestyle characteristics, physical examination, genetic counseling, and assessment of ethical, legal, and social implications. Primary and secondary causes of iron overload will be distinguished by clinical criteria. Iron overload will be confirmed by quantification of iron stores. Recruiting family members of cases will permit DNA analysis for additional genetic factors that affect iron overload. Results: Of the first 50,520 screened, 51{\%} are white, 24{\%} are African American, 11{\%} are Asian, 11{\%} are Hispanic, and 3{\%} are of other, mixed, or unidentified race; 63{\%} are female and 37{\%} are male. Conclusions: Information from the HEIRS Study will inform policy regarding the feasibility, optimal approach, and potential individual and public health benefits and risks of primary care-based screening for iron overload and hemochromatosis.",
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    AU - Barton, James C.

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    AU - Harris, Emily L.

    AU - Acton, Ronald T.

    AU - Press, Nancy

    AU - Reboussin, David M.

    AU - McLaren, Gordon D.

    AU - Sholinsky, Phyliss

    AU - Walker, Ann P.

    AU - Gordeuk, Victor R.

    AU - Leiendecker-Foster, Catherine

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    N2 - Background: The HEIRS Study will evaluate the prevalence, genetic and environmental determinants, and potential clinical, personal, and societal impact of hemochromatosis and iron overload in a multiethnic, primary care-based sample of 100,000 adults over a 5-year period. Participants are recruited from 5 Field Centers. Laboratory testing and data management and analysis are performed in a Central Laboratory and Coordinating Center, respectively. Methods: Participants undergo testing for serum iron measures and common mutations of the hemochromatosis gene (HFE) on chromosome 6p and answer questions on demographics, health, and genetic testing attitudes. Participants with elevated values of transferrin saturation and serum ferritin and/or C282Y homozygosity are invited to undergo a comprehensive clinical examination (CCE), as are frequency-matched control subjects. These examinations provide data on personal and family medical history, lifestyle characteristics, physical examination, genetic counseling, and assessment of ethical, legal, and social implications. Primary and secondary causes of iron overload will be distinguished by clinical criteria. Iron overload will be confirmed by quantification of iron stores. Recruiting family members of cases will permit DNA analysis for additional genetic factors that affect iron overload. Results: Of the first 50,520 screened, 51% are white, 24% are African American, 11% are Asian, 11% are Hispanic, and 3% are of other, mixed, or unidentified race; 63% are female and 37% are male. Conclusions: Information from the HEIRS Study will inform policy regarding the feasibility, optimal approach, and potential individual and public health benefits and risks of primary care-based screening for iron overload and hemochromatosis.

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