CLINICAL_TRIALS ClinicalTrials.gov record update

Randomized Open-Label Trial to Compare Immunogenicity of Egg-Based and Non-Egg Based Quadrivalent Influenza Vaccines Among Adults 18-64 Years of Age (US Flu Vaccine Effectiveness Serologic Study, 2018-19 and 2019-20)

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Record identity and dates

Source: ClinicalTrials.gov
Source record ID: NCT03598439
Title field or adapter rule: protocolSection.identificationModule.officialTitle
Ingested At: 2026-04-25T22:28:56.643570+00:00
Published At: 2025-11-21T00:00:00+00:00
Record Updated At: 2025-11-21
Timestamp Basis: source retrieval time was not retained by the feed adapter
Date limitation: source retrieval time was not retained by the feed adapter

protocolSection.conditionsModule.conditions: ["Influenza"]
protocolSection.statusModule.lastUpdatePostDateStruct.date: "2025-11-21"
protocolSection.identificationModule.nctId: "NCT03598439"
protocolSection.identificationModule.officialTitle: "Randomized Open-Label Trial to Compare Immunogenicity of Egg-Based and Non-Egg Based Quadrivalent Influenza Vaccines Among Adults 18-64 Years of Age (US Flu Vaccine Effectiveness Serologic Study, 2018-19 and 2019-20)"
protocolSection.statusModule.overallStatus: "COMPLETED"
protocolSection.designModule.phases: ["PHASE4"]
protocolSection.statusModule.resultsFirstPostDateStruct.date: ""

Intervention details are not present in the imported fields for this record. No drug-condition relationship is inferred from co-listing.

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