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Parental intentions to enroll children in a voluntary expanded newborn screening program.

ABSTRACT: Nearly all babies in the United States are tested at birth for rare, serious, and treatable disorders through mandatory state newborn screening (NBS). Recently, there have been calls for an expanded, voluntary model to facilitate early diagnosis and treatment of a wider range of disorders. We applied the reasoned action framework to examine parental intentions to participate in voluntary expanded screening.We recruited a national cohort of recent and expectant parents living in the U.S. who completed a self-administered online survey (N = 1001). Using a mixed-level fractional factorial experiment, we studied parental participation intentions and preferences for timing of consent, cost, consent format, and testing options.We conducted a hierarchical regression analysis assessing parental intentions to participate in voluntary expanded NBS. Attitudes, perceived normative influence, and perceived behavioral control explained substantial variance in intention, with perceived normative influence emerging as the strongest predictor. We found no evidence that the manipulated program features altered mean levels of intention, but timing of parental permission, cost, and permission format moderated the relative importance of reasoned action constructs on intention.Program design features may impact the psychological mechanisms underlying parental decision making for voluntary expanded screening. These results have important implications for parent education, outreach, and informed parental permission procedures.

SUBMITTER: Paquin RS

PROVIDER: S-EPMC5023483 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature

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Parental intentions to enroll children in a voluntary expanded newborn screening program.

Paquin Ryan S RS Peay Holly L HL Gehtland Lisa M LM Lewis Megan A MA Bailey Donald B DB

Social science & medicine (1982) 20160729

<h4>Background and objectives</h4>Nearly all babies in the United States are tested at birth for rare, serious, and treatable disorders through mandatory state newborn screening (NBS). Recently, there have been calls for an expanded, voluntary model to facilitate early diagnosis and treatment of a wider range of disorders. We applied the reasoned action framework to examine parental intentions to participate in voluntary expanded screening.<h4>Methods</h4>We recruited a national cohort of recent ...[more]

PMID: 27526258

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Project description:Very long-chain acyl-CoA dehydrogenase deficiency (VLCADD) is a rare autosomal recessive disorder of fatty acid metabolism with a variable presentation. The aim of this study was to describe five patients with VLCADD diagnosed through the pilot study and expanded newborn screening (NBS) program that started in 2018 in Slovenia. Four patients were diagnosed through the expanded NBS program with tandem mass spectrometry; one patient was previously diagnosed in a pilot study preceding the NBS implementation. Confirmatory testing consisted of acylcarnitines analysis in dried blood spots, organic acids profiling in urine, genetic analysis of ACADVL gene, and enzyme activity determination in lymphocytes or fibroblasts. Four newborns with specific elevation of acylcarnitines diagnostic for VLCADD and disease-specific acylcarnitines ratios (C14:1, C14, C14:2, C14:1/C2, C14:1/C16) were confirmed with genetic testing: all were compound heterozygotes, two of them had one previously unreported ACDVL gene variant each (NM_000018.3) c.1538C > G; (NP_000009) p.(Ala513Gly) and c.661A > G; p.(Ser221Gly), respectively. In addition, one patient diagnosed in the pilot study also had a specific elevation of acylcarnitines. Subsequent ACDVL genetic analysis confirmed compound heterozygosity. In agreement with the diagnosis, enzyme activity was reduced in five patients tested. In seven other newborns with positive screening results, only single allele variants were found in the ACDVL gene, so the diagnosis was not confirmed. Among these, two variants were novel, c.416T > C and c.1046C > A, respectively (p.Leu139Pro and p.Ala349Glu). In the first 2 years of the expanded NBS program in Slovenia altogether 30,000 newborns were screened. We diagnosed four cases of VLCADD. The estimated VLCADD incidence was 1:7,500 which was much higher than that of the medium-chain acyl-CoA dehydrogenase deficiency (MCADD) cases in the same period. Our study also provided one of the first descriptions of ACADVL variants in Central-Southeastern Europe and reported on 4 novel variants.

Project description:Introduction: With increasing utility and decreasing cost of genomic sequencing, augmentation of standard newborn screening (NBS) programs with newborn genomic sequencing (nGS) has been proposed. Before nGS can be integrated into newborn screening, parents' perspectives must be better understood. Objective: Using data from surveys administered to parents of healthy newborns who were enrolled in the BabySeq Project, a randomized clinical trial of nGS alongside NBS, this paper reports parents' attitudes regarding population-based NBS and nGS assessed 3 months after results disclosure. Methods: Parental attitudes regarding whether all newborns should receive, and whether informed consent should be required for, NBS and nGS, as well as whether nGS should be mandated were assessed using 5-point scales from strongly disagree (=1) to strongly agree (=5). Parents' interest in receiving types of results from nGS was assessed on a 5-point scale from not at all interested (=1) to very interested (=5). Survey responses were analyzed using Fisher's exact tests, paired t-tests, and repeated measures ANOVA. Results: At 3 months post-disclosure, 248 parents of 174 healthy newborns submitted a survey. Support for every newborn receiving standard NBS (mean 4.67) was higher than that for every newborn receiving nGS (mean 3.60; p < 0.001). Support for required informed consent for NBS (mean 3.44) was lower than that for nGS (mean 4.27, p < 0.001). Parents' attitudes toward NBS and nGS were not significantly associated with self-reported political orientation. If hypothetically receiving nGS outside of the BabySeq Project, most parents reported being very interested in receiving information on their baby's risk of developing a disease in childhood that can be prevented, treated, or cured (86.8%) and their risk of developing a disease during adulthood that can be prevented, treated, or cured (84.6%). Discussion: Parents' opinions are crucial to inform design and delivery of public health programs, as the success of the program hinges on parents' trust and participation. To accommodate parents' preferences without affecting the current high participation rates in NBS, an optional add-on consent to nGS in addition to NBS may be a feasible approach. Trial Registration ClinicalTrials.gov Identifier: NCT02422511.

Project description:The increasing availability of novel therapies highlights the importance of screening newborns for rare genetic disorders so that they may benefit from early therapy, when it is most likely to be effective. Pilot newborn screening (NBS) studies are a way to gather objective evidence about the feasibility and utility of screening, the accuracy of screening assays, and the incidence of disease. They are also an optimal way to evaluate the complex ethical, legal and social implications (ELSI) that accompany NBS expansion for disorders. ScreenPlus is a consented pilot NBS program that aims to enroll over 100,000 infants across New York City. The initial ScreenPlus panel includes 14 disorders and uses an analyte-based, multi-tiered screening platform in an effort to enhance screening accuracy. Infants who receive an abnormal result are referred to a ScreenPlus provider for confirmatory testing, management, and therapy as needed, along with longitudinal capture of outcome data. Participation in ScreenPlus requires parental consent, which is obtained in active and passive manners. Patient-facing documents are translated into the ten most common languages spoken at our nine pilot hospitals, all of which serve diverse communities. At the time of consent, parents are invited to receive a series of online surveys to capture their opinions about specific ELSI-related topics, such as NBS policy, residual dried blood spot retention, and the types of disorders that should be on NBS panels. ScreenPlus has developed a stakeholder-based, collective funding model that includes federal support in addition to funding from 14 advocacy and industry sponsors, all of which have a particular interest in NBS for at least one of the ScreenPlus disorders. Taken together, ScreenPlus is a model, multi-sponsored pilot NBS program that will provide critical data about NBS for a broad panel of disorders, while gathering key stakeholder opinions to help guide ethically sensitive decision-making about NBS expansion.

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Parental intentions to enroll children in a voluntary expanded newborn screening program.

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Parental intentions to enroll children in a voluntary expanded newborn screening program.

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