{"package_id":"USCOURTS-cofc-1_07-vv-00605","decision_granule_id":"USCOURTS-cofc-1_07-vv-00605-2","petitioner_identifier":"Matthew Ramirez","is_minor":1,"age_at_vaccination":0.5,"age_unit_raw":"years","vaccine_type":"DTaP","vaccination_date":"2005-03-25","condition_raw":"Dravet syndrome","condition_category":"developmental_delay_regression","autism_spectrum_adjacent":1,"outcome":"denied","award_amount_usd":null,"decision_date":"2014-12-15","extraction_version":"gemini-v2","extracted_at":"2026-04-30T00:28:48.569695+00:00","number_of_concurrent_vaccines":null,"dose_number":2,"time_to_onset_days":0,"theory_of_causation":"Petitioner alleged that the DTaP vaccine administered on March 25, 2005, to Matthew Ramirez (born November 16, 2004) significantly aggravated his pre-existing de novo SCN1A frameshift mutation, which predisposes him to Dravet syndrome. Petitioner's expert, Dr. Jean-Ronel Corbier, proposed three theories: (1) SCN1A mutation carriers are vulnerable to DTaP vaccine reactions; (2) the vaccine caused an earlier onset of Dravet syndrome, leading to worse developmental outcomes; and (3) the prolonged febrile seizure following vaccination damaged HCN channels, causing permanent epileptic changes. Respondent's experts, Dr. Gerald Raymond and Dr. Max Wiznitzer, contended that the SCN1A mutation was the sole cause of Matthew's condition and the vaccine did not influence his development. Special Master Christian J. Moran denied compensation, finding Dr. Corbier's theories unpersuasive and contradicted by studies (Berkovic, McIntosh, Brunklaus, Yu) indicating SCN1A mutations determine outcome irrespective of vaccination. The Special Master also rejected the HCN channel theory due to the distinction between HCN and SCN1A channels and Dr. Corbier's lack of expertise. The severity requirement (injury lasting >6 months) was not met, as Matthew recovered from the initial vaccine-related febrile seizure and pneumonia, with subsequent issues attributed to the genetic mutation. The Court of Federal Claims affirmed, agreeing that the SCN1A mutation was the sole cause and that the initial vaccine-related seizure was not severe enough to meet the statutory requirement. The court also noted that the genetic mutation, though asymptomatic before vaccination, made the subsequent outcomes inevitable, thus precluding a finding of significant aggravation caused by the vaccine.","is_death":0,"date_of_death":null,"petition_filed_date":"2007-08-14","case_summary":"On August 14, 2007, Nancy Barclay, as the legal representative of her minor son Matthew Ramirez, filed a petition for compensation under the National Childhood Vaccine Injury Program. Matthew Ramirez was born on November 16, 2004, with a de novo frameshift mutation in his SCN1A gene, which predisposes individuals to Dravet syndrome. On March 25, 2005, at approximately four months old, Matthew received a second dose of the DTaP vaccine. That night, he developed a fever, and the following morning, he experienced a seizure lasting approximately 45 minutes. He was diagnosed with febrile seizures due to pneumonia, though a differential diagnosis included \"vaccine reaction.\" Matthew experienced further unprovoked seizures on April 15 and April 25, 2005, leading to a diagnosis of epilepsy. By 2013, he experienced approximately ten seizures monthly and had significant developmental delays. Genetic testing in 2009 confirmed the SCN1A mutation, consistent with Dravet syndrome. Petitioner alleged that the DTaP vaccine significantly aggravated Matthew's Dravet syndrome, arguing that but for the vaccine, Matthew would have experienced less developmental delay. Petitioner's initial expert, Dr. Marcel Kinsbourne, opined that the DTaP vaccine caused Matthew's seizure disorder through several mechanisms. However, following decisions in other SCN1A cases, petitioner amended her theory to significant aggravation. Petitioner retained Dr. Jean-Ronel Corbier, a pediatric neurologist, who proposed three theories: (1) children with SCN1A mutations are vulnerable to DTaP vaccine reactions; (2) vaccination causes earlier onset of Dravet syndrome, leading to worse damage; and (3) the prolonged febrile seizure damaged HCN channels, causing permanent epileptic changes. The respondent, the Secretary of Health and Human Services, presented experts Dr. Gerald Raymond (clinical geneticist and child neurologist) and Dr. Max Wiznitzer (child neurologist). They opined that the SCN1A mutation was the sole cause of Matthew's condition and that the vaccination did not affect his development. A hearing was held on June 5-6, 2013. Special Master Christian J. Moran issued a decision on December 15, 2014, denying compensation. The Special Master found Dr. Corbier's theories unpersuasive, citing studies (Berkovic, McIntosh, Brunklaus, Yu) that indicated SCN1A mutations predetermine the outcome regardless of vaccination triggers. He also found Dr. Corbier's theory regarding HCN channel damage flawed, as HCN channels are distinct from SCN1A sodium channels, and Dr. Corbier admitted he was not an expert in channelopathies. The Special Master also determined that petitioner failed to prove the injury lasted more than six months, as Matthew recovered from the initial febrile seizure and pneumonia, and his subsequent developmental issues were attributed to the genetic mutation. The Court of Federal Claims, Judge Eric G. Bruggink, reviewed the decision and affirmed it on July 10, 2015 (reissued from June 15, 2015). Judge Bruggink agreed that the SCN1A mutation was the sole cause and that the vaccine-related initial seizure was not severe enough to meet the six-month requirement. He noted the conceptual difficulty in applying the \"significant aggravation\" framework to a child with an asymptomatic genetic predisposition, concluding that either the vaccine did not cause a lasting injury or the genetic mutation was the inevitable cause of the ongoing issues, thus precluding a finding of significant aggravation caused by the vaccine.","is_minor_inferred":null,"is_pediatric_broad":1,"special_master":"Christian J. Moran","petitioner_identifier_original":null,"caption_petitioner_name":null,"petitioner_attorney_name":"Curtis R. Webb","petitioner_attorney_firm":"Curtis R. Webb, Attorney at Law","petitioner_attorney_location":"Twin Falls, ID","adjudicator_name":null,"caption_people_backfilled_at":null,"attorney_canonical_keys":"|curtis-webb|","firm_canonical_key":"curtis-r-webb","package_title":"BARCLAY et al v. SECRETARY OF HEALTH AND HUMAN SERVICES","canonical_url":"https://vicp-registry.org/case/USCOURTS-cofc-1_07-vv-00605","plain_text_url":"https://vicp-registry.org/case/USCOURTS-cofc-1_07-vv-00605.txt","json_url":"https://vicp-registry.org/case/USCOURTS-cofc-1_07-vv-00605.json","source_documents":[{"granule_id":"USCOURTS-cofc-1_07-vv-00605-0","title":"BARCLAY et al v. SECRETARY OF HEALTH AND HUMAN SERVICES","docket_text":"PUBLIC DECISION (Originally filed: 02/07/2014) regarding 115 DECISION of Special Master - Interim Attorney's Fees. Signed by Special Master Christian J. Moran. 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SECRETARY OF HEALTH AND HUMAN SERVICES","docket_text":"JUDGE VACCINE REPORTED OPINION re: Motion for Review Signed by Senior Judge Eric G. Bruggink. (md) Copy to parties.","date_issued":"2015-07-10","pdf_url":"https://api.govinfo.gov/packages/USCOURTS-cofc-1_07-vv-00605/granules/USCOURTS-cofc-1_07-vv-00605-2/pdf","pdf_bytes":220251,"triage_decision":"keep","triage_reason":"docketText matches keep keyword 'opinion'","download_status":"ok","registry_pdf_url":"https://vicp-registry.org/pdf/USCOURTS-cofc-1_07-vv-00605/USCOURTS-cofc-1_07-vv-00605-2"}]}