Vaccines in pediatric transplant recipients-Past, present, and future

Daniel E Dulek1, Annabelle de St Maurice2, Natasha B Halasa1

  • 1Division of Pediatric Infectious Diseases, Department of Pediatrics, Vanderbilt University Medical Center, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, Tennessee.

Pediatric Transplantation
|September 13, 2018
PubMed

Insights

Vaccine-preventable diseases pose risks for children after transplantation. This review examines evidence for pediatric immunizations, focusing on child-specific studies to improve transplant outcomes.

Area of Science:

  • Pediatric transplantation
  • Immunology
  • Infectious diseases

Background:

  • Infections are a major concern for pediatric transplant recipients.
  • Vaccine-preventable diseases increase morbidity and mortality post-transplant.
  • Existing immunization guidelines often lack pediatric-specific data.

Purpose of the Study:

  • To review the evidence for selected immunizations in pediatric transplant recipients.
  • To identify gaps in knowledge and areas for future research.
  • To emphasize studies focusing exclusively on pediatric populations.

Main Methods:

  • Literature review of published studies.
  • Focus on studies involving pediatric solid organ and hematopoietic stem cell transplant recipients.
  • Prioritization of studies with pediatric-only cohorts.

Main Results:

  • Evidence for many pediatric immunizations is limited.
  • Recommendations are often extrapolated from adult or mixed-age studies.
  • Further pediatric-specific research is needed to refine guidelines.

Conclusions:

  • Optimizing immunization strategies is crucial for pediatric transplant success.
  • Pediatric-specific research is essential for evidence-based guidelines.
  • Addressing vaccine-preventable diseases improves long-term transplant outcomes.

Related Concept Videos

Vaccinations01:51

Vaccinations

Overview
51.7K
Cancer Vaccines01:30

Cancer Vaccines

Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
1.1K
Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
266
Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight,...
314
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses...
236
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
305