{"id":"vaxigrip-qiv","safety":{"commonSideEffects":[{"rate":"null","effect":"Pain, redness, or swelling at the injection site"},{"rate":"null","effect":"Fatigue"},{"rate":"null","effect":"Headache"}]},"_chembl":null,"_dailymed":null,"mechanism":{"_ai_source":"groq-llama-8b","explanation":"This vaccine works by introducing inactivated forms of the influenza viruses to the body, which triggers an immune response and helps to protect against future infections. The quadrivalent formulation includes two influenza A viruses and two influenza B viruses, providing protection against a broader range of strains.","oneSentence":"Vaxigrip QIV is a quadrivalent inactivated influenza vaccine that stimulates the body's immune system to produce antibodies against four different influenza viruses.","_ai_confidence":"high"},"_scrapedAt":"2026-03-28T00:53:07.310Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Prevention of influenza disease caused by four different strains of the influenza virus"}]},"trialDetails":[{"nctId":"NCT07211152","phase":"PHASE3","title":"Influenza Vaccine (Split Virion), Inactivated, Quadrivalent in Pregnant Women","status":"RECRUITING","sponsor":"Sinovac Biotech Co., Ltd","startDate":"2025-10-13","conditions":"Influenza","enrollment":150},{"nctId":"NCT05585983","phase":"PHASE4","title":"INfluenza VaccInation To Mitigate typE 1 Diabetes","status":"RECRUITING","sponsor":"Aarhus University Hospital","startDate":"2022-12-14","conditions":"Diabetes Mellitus, Type 1","enrollment":100},{"nctId":"NCT05431725","phase":"PHASE3","title":"Immunogenicity and Safety Study of Influenza Vaccine (Split Virion), Inactivated, Quadrivalent","status":"COMPLETED","sponsor":"Sinovac Biotech Co., Ltd","startDate":"2022-07-18","conditions":"Seasonal Influenza","enrollment":2202},{"nctId":"NCT06286488","phase":"PHASE4","title":"Effectiveness and Tolerability of Influenza Vaccine in Patients at Risk for Severe and Complicated Influenza","status":"ACTIVE_NOT_RECRUITING","sponsor":"Medical University of Warsaw","startDate":"2020-09-15","conditions":"Influenza, Obesity, Pregnancy; Infection","enrollment":1500},{"nctId":"NCT05494047","phase":"PHASE3","title":"Phase Ⅲ, Clinical Trial to Compare an Inactivated Quadrivalent Influenza Vaccine and a Licensed Vaccine in Chile","status":"UNKNOWN","sponsor":"Pontificia Universidad Catolica de Chile","startDate":"2022-07-14","conditions":"Influenza, Vaccines","enrollment":1600},{"nctId":"NCT04143451","phase":"PHASE3","title":"Intradermal Influenza Vaccine With Topical Imiquimod in Elderly and Chronic Illness Patients","status":"UNKNOWN","sponsor":"The University of Hong Kong","startDate":"2019-10-23","conditions":"Influenza","enrollment":4000}],"_emaApprovals":[],"_faersSignals":[],"_approvalHistory":[],"publicationCount":3,"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":"Vaxigrip QIV","genericName":"Vaxigrip QIV","companyName":"Sinovac Biotech Co., Ltd","companyId":"sinovac-biotech-co-ltd","modality":"Biologic","firstApprovalDate":"","aiSummary":"Vaxigrip QIV is a tetravalent inactivated influenza vaccine used to prevent influenza. It is administered as a single dose of 0.5 mL to individuals at risk for severe and complicated influenza.","enrichmentLevel":3,"visitCount":0,"trialStats":{"total":0,"withResults":0},"verificationStatus":"verified","dataCompleteness":{"mechanism":true,"indications":true,"safety":true,"trials":true,"score":4}}