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. 2021 Jan;41(1):38-50.
doi: 10.1007/s10875-020-00865-9. Epub 2020 Oct 2.

Infections in Infants with SCID: Isolation, Infection Screening, and Prophylaxis in PIDTC Centers

Affiliations

Infections in Infants with SCID: Isolation, Infection Screening, and Prophylaxis in PIDTC Centers

Morna J Dorsey et al. J Clin Immunol. 2021 Jan.

Erratum in

  • Correction to: Infections in Infants with SCID: Isolation, Infection Screening and Prophylaxis in PIDTC Centers.
    Dorsey M, Wright NAM, Chaimowitz NS, Dávila Saldaña BJ, Miller H, Keller MD, Thakar MS, Shah AJ, Abu-Arja R, Andolina J, Aquino V, Barnum JL, Bednarski JJ, Bhatia M, Bonilla FA, Butte MJ, Bunin NJ, Burroughs LM, Chandra S, Chaudhury S, Chen K, Chong H, Cuvelier G, Dalal J, DeFelice ML, DeSantes KB, Forbes LR, Gillio A, Goldman F, Joshi AY, Kapoor N, Knutsen AP, Kobrynski L, Lieberman JA, Leiding JW, Oshrine B, Patel KP, Prockop S, Quigg TC, Quinones R, Schultz KR, Seroogy C, Shyr D, Siegel S, Smith AR, Torgerson TR, Vander Lugt MT, Yu LC, Cowan MJ, Buckley RH, Dvorak CC, Griffith LM, Haddad E, Kohn DB, Logan B, Notarangelo LD, Pai SY, Puck J, Pulsipher MA, Heimall J. Dorsey M, et al. J Clin Immunol. 2021 Feb;41(2):498-500. doi: 10.1007/s10875-020-00917-0. J Clin Immunol. 2021. PMID: 33274413 No abstract available.

Abstract

Purpose: The Primary Immune Deficiency Treatment Consortium (PIDTC) enrolled children with severe combined immunodeficiency (SCID) in a prospective natural history study of hematopoietic stem cell transplant (HSCT) outcomes over the last decade. Despite newborn screening (NBS) for SCID, infections occurred prior to HSCT. This study's objectives were to define the types and timing of infection prior to HSCT in patients diagnosed via NBS or by family history (FH) and to understand the breadth of strategies employed at PIDTC centers for infection prevention.

Methods: We analyzed retrospective data on infections and pre-transplant management in patients with SCID diagnosed by NBS and/or FH and treated with HSCT between 2010 and 2014. PIDTC centers were surveyed in 2018 to understand their practices and protocols for pre-HSCT management.

Results: Infections were more common in patients diagnosed via NBS (55%) versus those diagnosed via FH (19%) (p = 0.012). Outpatient versus inpatient management did not impact infections (47% vs 35%, respectively; p = 0.423). There was no consensus among PIDTC survey respondents as to the best setting (inpatient vs outpatient) for pre-HSCT management. While isolation practices varied, immunoglobulin replacement and antimicrobial prophylaxis were more uniformly implemented.

Conclusion: Infants with SCID diagnosed due to FH had lower rates of infection and proceeded to HSCT more quickly than did those diagnosed via NBS. Pre-HSCT management practices were highly variable between centers, although uses of prophylaxis and immunoglobulin support were more consistent. This study demonstrates a critical need for development of evidence-based guidelines for the pre-HSCT management of infants with SCID following an abnormal NBS.

Trial registration: NCT01186913.

Keywords: Infections; hematopoietic stem cell transplant; newborn screening; primary immunodeficiency; prophylaxis; severe combined immunodeficiency.

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Conflict of interest statement

Conflict of Interest The authors declare that they have no conflicts of interest.

Figures

Fig. 1
Fig. 1
Infection in patients diagnosed with SCID based on positive NBS or FH
Fig. 2
Fig. 2
Criteria for safe home management of SCID infants
Fig. 3
Fig. 3
a Visitor policies for inpatients. b Age sibling visitors permitted
Fig. 4
Fig. 4
a PJP prophylaxis medications.*Dose varied, but generally ranged between 2.5 and 5 mg/kg/day of the trimethoprim component divided to twice a day administration and given 2–3 times a week.b Age at initiation of TMP-SMX. c Fungal prophylaxis medications. *Dose varied, but generally ranged between 3 and 6 mg/kg/day. d Route of immunoglobulin replacement
Fig. 4
Fig. 4
a PJP prophylaxis medications.*Dose varied, but generally ranged between 2.5 and 5 mg/kg/day of the trimethoprim component divided to twice a day administration and given 2–3 times a week.b Age at initiation of TMP-SMX. c Fungal prophylaxis medications. *Dose varied, but generally ranged between 3 and 6 mg/kg/day. d Route of immunoglobulin replacement

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