The pediatric sibling donor experience in hematopoietic stem cell transplant: an integrative review of the literature

Neurocognitive and mental health impact of adrenoleukodystrophy across the lifespan: Insights for the era of newborn screening

X-linked adrenoleukodystrophy (ALD) is a rare inherited neurological disorder that poses considerable challenges for clinical management throughout the lifespan. Although males are generally more severely affected than females, the time course and presentation of clinical symptoms are otherwise difficult to predict. Opportunities to improve outcomes for individuals with ALD are rapidly expanding due to the introduction of newborn screening programs for this condition and an evolving treatment landscape. The aim of this comprehensive review is to synthesize current knowledge regarding the neurocognitive and mental health effects of ALD. This review provides investigators and clinicians with context to improve case conceptualization, inform prognostic counseling, and optimize neuropsychological and mental health care for patients and their families. Results highlight key predictive factors and brain-behavior relationships associated with the diverse manifestations of ALD. The review also discusses considerations for endpoints within clinical trials and identifies gaps to address in future research.

Saving whom? The ethical challenges of harvesting tissue from savior siblings

PURPOSE OF THE STUDY

To discuss the ethical challenges for the therapeutic team when dealing with a young savior sibling as a potential tissue donor.

BASIC PROCEDURES

Savior siblings are children that are created to serve a sibling as a donor of umbilical cord blood, bone marrow, or peripheral blood from which hematopoietic stem cells are derived. These cells are used for hematopoietic stem cell therapy, which is the only curative treatment for certain hemoglobinopathies. We used a case including a 19-year-old thalassemia patient and his two and a half year old sister from our practice as ethics consultants. Our methodological basis is the principlism approach by Beauchamp and Childress, consisting of four principles: autonomy, non-maleficence, beneficence, and justice.

MAIN FINDINGS

We found that the main conflict arises between the autonomy of the savior sibling as well as the non-maleficence regarding her and the beneficence of the thalassemia patient.

PRINCIPAL CONCLUSIONS

Decision-making is complex when decisions within the family are concerned, especially when non-competent young children are involved. The therapeutic team does not only have to recognize the principal vulnerability of children but also the different scales of vulnerability depending on their age.

Pilot Study of Educational Interventions for Pediatric Hematopoietic Stem Cell Sibling Donors to Increase Knowledge of Donation and Transplantation Procedures

Background

Siblings are frequently identified as a tissue match for patients with malignant and nonmalignant diseases and are selected to donate hematopoietic stem cells (HSC). Research on preparing siblings donors for stem cell donation is limited. Even after donation procedures are explained, siblings have been found to have difficulty understanding the information and may experience anxiety, particularly amongst younger donors. No prospective studies examining educational tools and transplant knowledge in sibling stem cell donors are currently available. This pilot study assessed donor comprehension of HSC donation procedures and compared knowledge prior to and post an educational intervention.

Methods

Assessment of baseline knowledge regarding HSC donation was assessed before and after the consent/information meeting with the medical team. Donors were then stratified into 2 groups by age. Donors aged 10 to 15 played an adapted version of the therapeutic game ShopTalk and donors aged 16 to 25 were provided a workbook designed for sibling stem cell donors. Assessment of knowledge was repeated 24 hours after the intervention.

Results

Participants included 17 siblings of pediatric transplant recipients, ages 10-25. Mean knowledge scores increased from 59.6% to 68.8% following the meeting with the medical provider and further increased to 88.5% after an educational intervention. Results suggest that education that provides information via a game or workbook increases knowledge in sibling donors.

Conclusion

Limited interactive educational material on stem cell donation is available for pediatric HSC donors. Additional visual and/or interactive information for sibling donors may increase knowledge and perhaps comfort with the donation process, beyond that which is provided by the medical teams. Providing detailed information about donation and discussion of procedures should be tailored to the individual learning style and supplemented with additional visual information.

Transplant center practices for psychosocial assessment and management of pediatric hematopoietic stem cell donors

Understanding the potential emotional and psychological risks of pediatric sibling HSC donation is an area of research that remains in its infancy. A cross-sectional survey was distributed electronically to directors at all CIBMTR and EBMT centers to describe current transplant center practices for obtaining assent, preparation for the physical/emotional experiences of donation, and monitoring the post-donation well-being of pediatric donors (<18 years of age). Respondents were 45/91 (49%) and 66/144 (46%) of CIBMTR and EBMT centers, respectively. Although 78% of centers reported having a mechanism in place to ensure donor free assent, centers also reported only limited assessment of psychosocial suitability to manage the emotional risks of donation. More than half of centers reported no psychosocial follow-up assessment post-donation. Few centers have policies in place to address donor psychological needs. Future investigations should include medical and psychosocial outcomes following full integration of comprehensive psychosocial screening and surveillance of pediatric donors.

National Institutes of Health Hematopoietic Cell Transplantation Late Effects Initiative: The Patient-Centered Outcomes Working Group Report

In 2015, the National Institutes of Health convened six working groups to address the research needs and best practices for late effects of hematopoietic stem cell transplantation survivors. The Patient-Centered Outcomes Working Group, charged with summarizing the HRQOL evidence base, used a scoping review approach to efficiently survey the large body of literature in adult and pediatric HCT survivors over 1 year after transplantation. The goals of this paper are to (1) summarize the current literature describing patient-centered outcomes in survivors, including the various dimensions of health-related quality of life affected by HCT, and describe interventions tested to improve these outcomes; (2) highlight areas with sufficient evidence allowing for integration into standard practice; (3) address methodological issues that restrict progress in this field; (4) identify major gaps to guide future research; and (5) specify priority research recommendations. Patient-centered outcomes were summarized within physical, psychological, social, and environmental domains, as well as for adherence to treatment, and health behaviors. Interventions to improve outcomes were evaluated for evidence of efficacy, although few interventions have been tested in long-term HCT survivors. Methodologic issues defined included lack of consistency in the selection of patient-centered outcome measures, along with the absence of a standard for timing, frequency, and mode of administration. Recommendations for HCT survivorship care included integration of annual screening of patient-centered outcomes, use of evidence-based practice guidelines, and provision of treatment summaries and survivorship care plans after HCT. Three priority research recommendations included the following: (1) design and test risk-targeted interventions with dose-intensity modulation matching the needs of HCT survivors with priority domains, including sexual dysfunction, fatigue, sleep disruption, nonadherence to medications and recommended health care, health behaviors including physical inactivity and healthy eating, and psychological dysfunction, with particular consideration of novel technologies to reach HCT survivors distant from their transplantation centers; (2) design a consensus-based methodologic framework for outcomes evaluation; and (3) evaluate and compare existing practices for integrating patient-centered outcome screening and interventions across HCT survivorship programs.

Health-Related Quality of Life among Pediatric Hematopoietic Stem Cell Donors

OBJECTIVES

To examine health-related quality of life (HRQoL) among sibling pediatric hematopoietic stem cell donors from predonation through 1 year postdonation, to compare donor-reported HRQoL scores with proxy-reports by parents/guardians and those of healthy norms, and to identify predonation factors (including donor age) potentially associated with postdonation HRQoL, to better understand the physical and psychosocial effects of pediatric hematopoietic stem cell donation.

STUDY DESIGN

A random sample of 105 pediatric donors from US centers and a parent/guardian were interviewed by telephone predonation and 4 weeks and 1 year postdonation. The interview included sociodemographic, psychosocial, and HRQoL items. A sample of healthy controls matched to donors by age, gender, and race/ethnicity was generated.

RESULTS

Key findings included (1) approximately 20% of donors at each time point had very poor HRQoL; (2) child self-reported HRQoL was significantly lower than parent proxy-reported HRQoL at all 3 time points and significantly lower than that of norms at predonation and 4 weeks postdonation; and (3) younger children were at particular risk of poor HRQoL.

CONCLUSIONS

Additional research to identify the specific sources of poorer HRQoL among at-risk donors (eg, the donation experience vs having a chronically ill sibling) and the reasons that parents may be overestimating HRQoL in their donor children is critical and should lead to interventions and policy changes that ensure positive experiences for these minor donors.