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Pediatric clinical trials update: May 2026 | Contemporary Pediatrics
From new data on antiviral prevention strategies and emerging therapies for Tourette syndrome to advances in diabetes management and treatments for pediatric cardiomyopathy, investigators reported findings that may help shape future clinical ...
Conjugated Pneumococcal Vaccines Have Transformed Pediatrics
Rates of acute otitis media, acute sinusitis, lobar pneumonia, pneumococcal meningitis, and bacteremia decreased substantially. Antibiotic-resistant strains targeted by the vaccines diminished.
Research of the Day
Early Peanut Introduction: 8-Year Outcomes from the LEAP Trial Extension
Extended follow-up of the landmark LEAP trial confirms sustained peanut allergy protection 8 years after early introduction, even when children stopped regular peanut consumption. The protective effect persists regardless of continued consumption.
Key findings: (1) 74% reduction in peanut allergy maintained at 8 years; (2) Protection sustained even after 12-month period of avoiding peanuts; (3) Early introduction (4-6 months) most effective for high-risk infants.
Reinforce early peanut introduction guidance, especially for infants with eczema or egg allergy. Recommend 2g peanut protein, 3 times weekly starting at 4-6 months in appropriate form.
Popular Beliefs
Reading to babies is pointless—they don't understand
What the evidence shows: Research consistently demonstrates that reading to infants from birth supports language development, vocabulary acquisition, and later literacy skills. Even before understanding words, babies benefit from hearing language patterns, rhythm, and the bonding experience. The AAP recommends reading aloud beginning in infancy.
Teething causes high fevers and diarrhea
What the evidence shows: While teething may cause mild symptoms (gum irritation, drooling, slight temperature elevation), it does not cause high fever (>102°F/38.9°C) or diarrhea. These symptoms should prompt evaluation for other causes. Attributing significant illness to teething may delay diagnosis of serious conditions.
Organic food is significantly more nutritious
What the evidence shows: Organic foods have lower pesticide residues, but studies show minimal nutritional differences compared to conventional foods. What matters most for health is eating a variety of fruits and vegetables, whether organic or conventional.
Behaviors
Family Meal Frequency and Obesity Risk: Systematic Review and Meta-Analysis
This meta-analysis synthesized 45 studies examining the relationship between family meal frequency and childhood obesity. Children who shared regular family meals had significantly lower obesity risk and healthier eating patterns.
Key findings: (1) 3+ family meals/week associated with 12% lower overweight/obesity; (2) Higher fruit/vegetable intake and lower fast food consumption; (3) Protective effect independent of family structure or income.
Encourage family meals as part of healthy lifestyle counseling. Even a few shared meals per week make a difference. Focus on the ritual and connection, not just nutrition.
Genetics
Polygenic Risk Scores and ADHD: Clinical Utility Analysis
Large GWAS analysis demonstrates polygenic risk scores for ADHD have limited current clinical utility for diagnosis but may help identify children at risk for severe or persistent symptoms. Environmental factors remain critically important.
Key findings: (1) Polygenic scores explain ~10% of ADHD variance; (2) Higher scores associated with earlier onset and persistence; (3) Not useful as diagnostic test—clinical evaluation remains gold standard.
Genetics is one piece of the ADHD puzzle but doesn't replace clinical assessment. Avoid overinterpreting direct-to-consumer genetic tests. Family history remains the most useful genetic 'test' for ADHD risk.