{"id":"quadrivalent-vlp-influenza-vaccine","safety":{"commonSideEffects":[{"rate":null,"effect":"Injection site pain or erythema"},{"rate":null,"effect":"Myalgia"},{"rate":null,"effect":"Headache"},{"rate":null,"effect":"Fatigue"}]},"_chembl":{"chemblId":"CHEMBL2109042","moleculeType":"Vaccine component"},"_dailymed":null,"mechanism":{"_ai_source":"anthropic-haiku","explanation":"The vaccine is produced using plant-based expression technology to generate virus-like particles that mimic the structure of influenza viruses without containing infectious genetic material. These VLPs display hemagglutinin and neuraminidase antigens from four influenza strains (two A subtypes and two B lineages), triggering both humoral and cellular immune responses to provide protection against seasonal influenza infection.","oneSentence":"A plant-based virus-like particle (VLP) vaccine that presents influenza surface antigens to stimulate immune responses against four influenza virus strains.","_ai_confidence":"medium"},"_scrapedAt":"2026-03-28T01:30:55.406Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Prevention of seasonal influenza in adults"}]},"trialDetails":[{"nctId":"NCT03301051","phase":"PHASE3","title":"Efficacy, Safety, and Immunogenicity of a Plant-Derived Quadrivalent Virus-Like Particles (VLPs) Influenza Vaccine in Adults","status":"COMPLETED","sponsor":"Medicago","startDate":"2017-08-31","conditions":"Virus Diseases, RNA Virus Infections, Respiratory Tract Diseases","enrollment":10160},{"nctId":"NCT03321968","phase":"PHASE3","title":"Lot-to-lot Consistency of a Plant-Derived Quadrivalent Virus-Like Particles Influenza Vaccine in Healthy Adults","status":"COMPLETED","sponsor":"Medicago","startDate":"2017-09-29","conditions":"Virus Diseases, RNA Virus Infections, Respiratory Tract Infections","enrollment":1202},{"nctId":"NCT04622592","phase":"PHASE1, PHASE2","title":"Adjuvanted Seasonal Recombinant Quadrivalent Virus-Like Particles (QVLP) Influenza Vaccine in Adults 65 Years of Age and Older","status":"COMPLETED","sponsor":"Medicago","startDate":"2020-11-02","conditions":"Influenza","enrollment":209},{"nctId":"NCT03739112","phase":"PHASE3","title":"Efficacy of a Plant-derived Quadrivalent Virus-like Particle (VLP) Vaccine in the Elderly","status":"COMPLETED","sponsor":"Medicago","startDate":"2018-09-18","conditions":"Virus Diseases, RNA Virus Infections, Respiratory Tract Diseases","enrollment":12794},{"nctId":"NCT01991587","phase":"PHASE1, PHASE2","title":"Safety, Tolerability and Immunogenicity of a Plant-made Seasonal Quadrivalent VLP Influenza Vaccine in Adults","status":"COMPLETED","sponsor":"Medicago","startDate":"2013-10-08","conditions":"Virus Diseases, RNA Virus Infections, Respiratory Tract Diseases","enrollment":120},{"nctId":"NCT02768805","phase":"PHASE2","title":"Immunogenicity of a Quadrivalent Virus-Like Particles (VLP) Influenza Vaccine in Healthy Adults","status":"COMPLETED","sponsor":"Medicago","startDate":"2016-03-02","conditions":"Virus Diseases, RNA Virus Infections, Respiratory Tract Diseases","enrollment":900},{"nctId":"NCT02233816","phase":"PHASE2","title":"Immunogenicity, Safety and Tolerability of a Plant-Derived Seasonal Virus-Like-Particle Quadrivalent Influenza Vaccine in Adults","status":"COMPLETED","sponsor":"Medicago","startDate":"2014-07-28","conditions":"Virus Diseases, RNA Virus Infections, Respiratory Tract Diseases","enrollment":300},{"nctId":"NCT02236052","phase":"PHASE2","title":"Immunogenicity, Safety and Tolerability of a Plant-Derived Seasonal VLP Quadrivalent Influenza Vaccine in the Elderly Population","status":"COMPLETED","sponsor":"Medicago","startDate":"2014-07-16","conditions":"Virus Diseases, RNA Virus Infections, Respiratory Tract Diseases","enrollment":450},{"nctId":"NCT02831751","phase":"PHASE2","title":"Immunogenicity, Safety, and Tolerability of a Plant-Derived Quadrivalent VLP Influenza Vaccine in Elderly Adults","status":"COMPLETED","sponsor":"Medicago","startDate":"2016-04","conditions":"Virus Diseases, RNA Virus Infections, Respiratory Tract Diseases","enrollment":1001},{"nctId":"NCT02307851","phase":"PHASE2","title":"Quadrivalent Influenza VLP Vaccine Dose Ranging Study in Young Adults","status":"COMPLETED","sponsor":"Novavax","startDate":"2014-11","conditions":"Influenza","enrollment":400},{"nctId":"NCT01561768","phase":"PHASE2","title":"A Study to Evaluate the Immune Response and Safety of a Seasonal Virus-Like Particle Influenza Vaccine in Healthy Young Adults","status":"COMPLETED","sponsor":"Novavax","startDate":"2012-03","conditions":"Influenza","enrollment":500}],"_emaApprovals":[],"_faersSignals":[],"_approvalHistory":[],"publicationCount":0,"rwe":[],"genericFilers":[],"relatedDrugs":[],"labelChanges":[],"biosimilarFilings":[],"pricing":[],"formularyStatus":[],"manufacturing":[],"companionDiagnostics":[],"competitors":[],"timeline":[],"patents":[],"ownershipHistory":[],"trials":[],"biosimilars":[],"latestUpdates":[],"references":[],"tags":[],"ecosystem":[],"genericManufacturerList":[],"offLabel":[],"developmentCodes":[],"aliases":[],"phase":"phase_3","status":"active","brandName":"Quadrivalent VLP Influenza Vaccine","genericName":"Quadrivalent VLP Influenza Vaccine","companyName":"Medicago","companyId":"medicago","modality":"Biologic","firstApprovalDate":"","aiSummary":"A plant-based virus-like particle (VLP) vaccine that presents influenza surface antigens to stimulate immune responses against four influenza virus strains. Used for Prevention of seasonal influenza in adults.","enrichmentLevel":3,"visitCount":1,"trialStats":{"total":1,"withResults":1},"verificationStatus":"verified","dataCompleteness":{"mechanism":true,"indications":true,"safety":true,"trials":true,"score":4}}