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Boston Children’s Hospital Researchers Uncover Insights into the Developmental Trajectory of Autism

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10/04/2023
eurekalert.org

In a groundbreaking study published in JAMA Pediatrics on October 2, 2023, researchers at Boston Children’s Hospital shed new light on the evolving nature of Autism Spectrum Disorder (ASD) diagnoses in early childhood. Diagnosing ASD at a young age is important for early intervention and treatment, but this new study suggests that not all kids continue to meet the criteria for ASD as they get older.

The team found that 37% of children diagnosed with ASD as toddlers no longer meet the criteria for ASD around the age of six. Children with lower adaptive skills—essential everyday abilities encompassing communication, self-care, and decision-making—tend to be more likely to have ASD persist later in life.

These findings underscore the nuanced nature of ASD and the importance of ongoing assessments throughout a child's developmental journey. Elizabeth Harstad, MD, MPH, Attending Physician in Developmental Medicine at Boston Children’s and the leader of the study, emphasizes the significance of seeking evaluations for developmental concerns and encourages parents and caregivers to remain open to the possibility of evolving diagnoses over time.

Dr. Harstad notes, "It is important to recognize that diagnoses can evolve as a child develops. Our research shows how important it is that we monitor kids over time, because some children may really have changes in their social communication and behavioral function. This underscores the need for continuous assessments and adaptable intervention strategies."

While the study provides crucial insights into the developmental trajectory of ASD, William Barbaresi, MD, Chief of Developmental Medicine at Boston Children’s and senior author on the paper, emphasizes the need for further evidence to determine the effectiveness of interventions on long-term outcomes. All of the children in this study received interventions after their initial ASD diagnosis, with the highest amount of interventions received in the 18 months after diagnosis. The team did not find a significant relationship between the persistence of ASD and intensity of interventions received by children in the 18 months after the initial diagnosis. Thus, these findings suggest that more research on the impacts of individualized interventions on development is needed.

The implications of this research are far-reaching, as it calls for a reevaluation of current practices in caring for young children with ASD. The study signals the need for a shift towards a more dynamic and individualized approach to intervention.

“It is possible that children who no longer have autism at age six may have responded better to treatment than children whose autism persisted. The findings of the study should cause a very frank reconsideration of the need for far more research to understand if current treatment for autism is working, or if major new efforts to develop treatment approaches are needed,” said Dr. Barbaresi.

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About Boston Children’s Hospital
Boston Children’s Hospitalis ranked among thebest children’s hospitalsin the nation by U.S. News & World Report and is a pediatric teaching affiliate of Harvard Medical School. Home to the world’s largest research enterprise based at a pediatric medical center, its discoveries have benefited both children and adults since 1869. Today, 3,000 researchers and scientific staff, including 11 members of the National Academy of Sciences, 23 members of the National Academy of Medicine and 9 Howard Hughes Medical Investigators comprise Boston Children’s research community. Founded as a 20-bed hospital for children, Boston Children’s is now a 485-bed comprehensive center for pediatric and adolescent health care. For more, visit ourAnswersblog, and follow us on social media:@‌BostonChildrens,@‌BCH_Innovation,Facebook,YouTubeandInstagram.



Article Title

Persistence of Autism Spectrum Disorder From Early Childhood Through School Age

Article Publication Date

2-Oct-2023

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.

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