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. 2014 Aug 20;312(7):729-38.
doi: 10.1001/jama.2014.9132.

Newborn screening for severe combined immunodeficiency in 11 screening programs in the United States

Antonia Kwan  1 Roshini S Abraham  2 Robert Currier  3 Amy Brower  4 Karen Andruszewski  5 Jordan K Abbott  6 Mei Baker  7 Mark Ballow  8 Louis E Bartoshesky  9 Francisco A Bonilla  10 Charles Brokopp  11 Edward Brooks  12 Michele Caggana  13 Jocelyn Celestin  14 Joseph A Church  15 Anne Marie Comeau  16 James A Connelly  17 Morton J Cowan  1 Charlotte Cunningham-Rundles  18 Trivikram Dasu  19 Nina Dave  20 Maria T De La Morena  21 Ulrich Duffner  22 Chin-To Fong  23 Lisa Forbes  24 Debra Freedenberg  25 Erwin W Gelfand  6 Jaime E Hale  26 I Celine Hanson  24 Beverly N Hay  27 Diana Hu  28 Anthony Infante  12 Daisy Johnson  25 Neena Kapoor  15 Denise M Kay  13 Donald B Kohn  29 Rachel Lee  25 Heather Lehman  8 Zhili Lin  30 Fred Lorey  3 Aly Abdel-Mageed  22 Adrienne Manning  31 Sean McGhee  32 Theodore B Moore  29 Stanley J Naides  33 Luigi D Notarangelo  10 Jordan S Orange  24 Sung-Yun Pai  10 Matthew Porteus  32 Ray Rodriguez  20 Neil Romberg  34 John Routes  35 Mary Ruehle  36 Arye Rubenstein  37 Carlos A Saavedra-Matiz  13 Ginger Scott  25 Patricia M Scott  38 Elizabeth Secord  36 Christine Seroogy  39 William T Shearer  24 Subhadra Siegel  40 Stacy K Silvers  41 E Richard Stiehm  29 Robert W Sugerman  41 John L Sullivan  27 Susan Tanksley  25 Millard L Tierce 4th  36 James Verbsky  35 Beth Vogel  13 Rosalyn Walker  20 Kelly Walkovich  17 Jolan E Walter  42 Richard L Wasserman  41 Michael S Watson  4 Geoffrey A Weinberg  23 Leonard B Weiner  43 Heather Wood  5 Anne B Yates  20 Jennifer M Puck  1 Vincent R Bonagura
Affiliations

Newborn screening for severe combined immunodeficiency in 11 screening programs in the United States

Antonia Kwan et al. JAMA. .

Erratum in

  • JAMA. 2014 Nov 26;312(20):2169. Bonagura, Vincent R [Added]

Abstract

Importance: Newborn screening for severe combined immunodeficiency (SCID) using assays to detect T-cell receptor excision circles (TRECs) began in Wisconsin in 2008, and SCID was added to the national recommended uniform panel for newborn screened disorders in 2010. Currently 23 states, the District of Columbia, and the Navajo Nation conduct population-wide newborn screening for SCID. The incidence of SCID is estimated at 1 in 100,000 births.

Objectives: To present data from a spectrum of SCID newborn screening programs, establish population-based incidence for SCID and other conditions with T-cell lymphopenia, and document early institution of effective treatments.

Design: Epidemiological and retrospective observational study.

Setting: Representatives in states conducting SCID newborn screening were invited to submit their SCID screening algorithms, test performance data, and deidentified clinical and laboratory information regarding infants screened and cases with nonnormal results. Infants born from the start of each participating program from January 2008 through the most recent evaluable date prior to July 2013 were included. Representatives from 10 states plus the Navajo Area Indian Health Service contributed data from 3,030,083 newborns screened with a TREC test.

Main outcomes and measures: Infants with SCID and other diagnoses of T-cell lymphopenia were classified. Incidence and, where possible, etiologies were determined. Interventions and survival were tracked.

Results: Screening detected 52 cases of typical SCID, leaky SCID, and Omenn syndrome, affecting 1 in 58,000 infants (95% CI, 1/46,000-1/80,000). Survival of SCID-affected infants through their diagnosis and immune reconstitution was 87% (45/52), 92% (45/49) for infants who received transplantation, enzyme replacement, and/or gene therapy. Additional interventions for SCID and non-SCID T-cell lymphopenia included immunoglobulin infusions, preventive antibiotics, and avoidance of live vaccines. Variations in definitions and follow-up practices influenced the rates of detection of non-SCID T-cell lymphopenia.

Conclusions and relevance: Newborn screening in 11 programs in the United States identified SCID in 1 in 58,000 infants, with high survival. The usefulness of detection of non-SCID T-cell lymphopenias by the same screening remains to be determined.

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Conflict of interest statement

Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Bonagura reported receiving grants from the Jeffrey Modell Foundation, Baxter Pharmaceuticals, and New York State; serving on a committee for CSL-Behring; and serving on an advisory board for Baxter Pharmaceuticals. No other disclosures were reported.

Comment in

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