Seqirus clinical trials
Acquired by CSL Limited, Jul 31, 2015 · source ↗
The registry lists 53 studies whose lead sponsor is Seqirus. 0 are recruiting or about to start. Per ClinicalTrials.gov, last updated Sep 21, 2026.
Before and after it joined CSL Limited
- First submitted before Seqirus became part of CSL Limited
- 30
- First submitted after Seqirus became part of CSL Limited
- 23
- Unclear, or no submission date
- 0
By the date each study was first submitted to the registry. The registry lists today's sponsor name and keeps no history, so this says when a study was filed, not who filed it.
Status
- Completed
- 51
- Withdrawn
- 2
Registry sponsor names on this page
- Seqirus53 studies
Something wrong with this grouping? Tell us on the CSL Limited page.
Studies
Recruiting first, then most recently updated. Showing 50 of 53. List all 53 → · All CSL Limited studies →
- Study to Evaluate Immunogenicity, Safety and Tolerability of Adjuvanted and Non-Adjuvanted H2N3 Influenza Vaccines in AdultsCompletedNCT05875961Phase 1
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- A Clinical Study to Evaluate the Efficacy, Safety and Immunogenicity of an Adjuvanted Influenza Vaccine Compared to a Non-adjuvanted Influenza Vaccine in Adults ≥65 Years of AgeCompletedNCT06087640Phase 3
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- Safety and Immunogenicity of Different Formulations of an MF59-Adjuvanted Influenza Vaccine in Older Adults ≥50 Years of AgeCompletedNCT05501561Phase 2
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- A Study to Evaluate Safety and Immunogenicity of One or Two Booster Vaccinations With H5N6 Influenza Vaccine in Adults Primed With H5N1 Influenza Vaccine or UnprimedCompletedNCT05422326Phase 2
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- The Celljuvant Study: A Phase 3 Immunogenicity and Safety Study of aQIVc Vaccine in Adults Aged 50 Years and OlderCompletedNCT06015282Phase 3
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- Efficacy Study With QIVc in Pediatric SubjectsCompletedNCT03932682Phase 3
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- Study to Evaluate Safety and Immunogenicity of Different Priming and Booster Regimens With Adjuvanted H5N8 and/or H5N6 Influenza Vaccine in AdultsCompletedNCT05874713Phase 2
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- A Study to Evaluate Safety, Immunogenicity, and Lot-to-Lot Consistency of H5N1 Subunit Influenza Virus Vaccine in Healthy Adult Subjects ≥18 Years of AgeCompletedNCT02839330Phase 3
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- Safety, Reactogenicity, and Immunogenicity Study of a Self-Amplifying MRNA Influenza Vaccine in Healthy AdultsCompletedNCT06028347Phase 1
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- Safety and Immunogenicity of Different Formulations of an MF59-Adjuvanted Influenza Vaccine in Older AdultsCompletedNCT04782323Phase 2
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- Safety and Immunogenicity of an MF59-Adjuvanted Influenza Vaccine in Older AdultsCompletedNCT04576702Phase 2
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- A Dose-ranging Pediatric Study of an Adjuvanted Pandemic Influenza VaccineCompletedNCT04669691Phase 2
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- A Clinical Study to Evaluate the Immunogenicity and Safety of an Adjuvanted Quadrivalent Influenza Vaccine Compared With a Licensed Quadrivalent Vaccine in Adults 50 to 64 Years of AgeCompletedNCT05044195Phase 3
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- Clinical Study to Evaluate the Safety, Immunogenicity and Efficacy of Investigational Flu Vaccine Compared to Approved Flu Vaccine in Children.CompletedNCT01964989Phase 3
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- Clinical Study to Evaluate Safety, Immunogenicity of Investigational Flu Vaccine Compared to an Approved Flu Vaccine (QIV) in Children Previously Vaccinated in Trial V118_05CompletedNCT02255409Phase 3
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- Flucelvax (TIVc or QIVc) Pregnancy RegistryCompletedNCT03438487
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- Afluria Pregnancy RegistryCompletedNCT03442582
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- Safety and Immunogenicity Study of QIVc in Healthy Pediatric SubjectsCompletedNCT04074928Phase 3
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- An Efficacy, Immunogenicity and Safety Study Investigating an Adjuvanted SARS-CoV-2 Influenza Vaccine to Protect Against COVID-19 in Adults Over Aged 18 Years-old and OlderWithdrawnNCT04806529Phase 2/3
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- Clinical Study to Evaluate the Efficacy, Safety and Immunogenicity of QIVc in Subjects ≥2 to <18 Years of AgeCompletedNCT03165617Phase 3
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- Dose Ranging Study to Evaluate Immunogenicity and Safety of Adjuvanted or Non-adjuvanted Cell Culture-derived H5N1 Influenza Vaccine in Young Adults (18-40 Years Old)CompletedNCT00812019Phase 1
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- Phase 3 Safety and Immunogenicity Study of aQIV in Elderly AdultsCompletedNCT03314662Phase 3
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- Clinical Study to Evaluate the Efficacy, Safety and Immunogenicity of an MF59-Adjuvanted Quadrivalent Influenza Vaccine Compared to Non-influenza Vaccine Comparator in Adults ≥ 65 Years of AgeCompletedNCT02587221Phase 3
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- Clinical Study to Evaluate Safety, Immunogenicity of Investigational Flu Vaccine Compared to an Approved Flu Vaccine in Children Previously Vaccinated in Trial V118_05 (NCT01964989)CompletedNCT02583256Phase 3
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- A Study to Evaluate the Immunogenicity and Safety of Seqirus Quadrivalent Influenza Vaccine (QIV) in a Pediatric Population 6 Months Through 59 Months of Age.CompletedNCT02914275Phase 3
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- Safety and Immunogenicity of a Four Influenza Vaccines in Children Ages 6 Months Old to Less Than 48 Months OldCompletedNCT02035696Phase 1/2
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Clinical Trial of CSL's 2009 H1N1 Influenza Vaccine (CSL425) in Healthy AdultsCompletedNCT00938639Phase 2
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Study to Assess the Immunogenicity and Safety of CSL's 2009 / 2010 Formulation of Enzira® Vaccine in Healthy VolunteersCompletedNCT00888381Phase 4
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Clinical Trial of CSL's 2009 H1N1 Influenza Vaccine (CSL425) in Healthy ChildrenCompletedNCT00940108Phase 2
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Study to Assess the Immunogenicity and Safety of a Trivalent Influenza Vaccine Containing the 2013/2014 Formulation of Enzira® Vaccine in Healthy VolunteersCompletedNCT01863433Phase 4
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Study to Assess the Immunogenicity and Safety of CSL's 2012/2013 Formulation of Enzira® Vaccine in Healthy VolunteersCompletedNCT01591837Phase 4
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Study to Assess the Immunogenicity and Safety of CSL's 2013/2014 Formulation of Enzira® Vaccine in Healthy VolunteersCompletedNCT01857297Phase 4
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- Safety Study of CSL Limited's Influenza Virus Vaccine in the Paediatric Population Aged >= 6 Months to < 18 YearsCompletedNCT00825162Phase 4
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Clinical Trial of CSL's 2009 H1N1 Influenza Vaccine (CSL425) in a Healthy Pediatric Population in the USACompletedNCT00958243Phase 2
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Study to Determine the Immunogenicity and Safety Profile of CSL Limited's Influenza Virus Vaccine Compared to a US Licensed Comparator Influenza Virus VaccineCompletedNCT00735475Phase 4
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Study to Evaluate the Immunogenicity and Safety of Seqirus Quadrivalent Influenza Vaccine (QIV) in a Pediatric Population 5 Through 17 Years of AgeCompletedNCT02545543Phase 3
Sponsor listed in the registry: Seqirus · First submitted after Seqirus became part of CSL Limited
- A Clinical Trial of CSL's 2010/2011 Formulation of Enzira® in a Healthy Adult PopulationCompletedNCT01113580Phase 4
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Clinical Trial of CSL's 2009 H1N1 Influenza Vaccine (CSL425) in Healthy Adults in the USACompletedNCT00958126Phase 2
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Study of the Efficacy, Safety and Tolerability Profile of CSL Limited's Influenza Virus Vaccine (CSL's IVV) Administered Intramuscularly in Healthy AdultsCompletedNCT00562484Phase 4
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- Flucelvax Pregnancy RegistryWithdrawnNCT02258178
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Study to Determine the Immunogenicity and Safety Profile of CSL Limited's Influenza Virus Vaccine Compared to a US Licensed Comparator Influenza Virus Vaccine in a Pediatric PopulationCompletedNCT00959049Phase 3
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Study to Evaluate the Immunogenicity and Safety of bioCSL Quadrivalent Influenza Vaccine (QIV) in Adults Aged 18 Years and Above.CompletedNCT02214225Phase 3
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- Safety and Immunogenicity of Two Doses of aH5N1 Vaccine in Adult and Elderly Subjects With and Without Underlying Medical ConditionsCompletedNCT02091908Phase 3
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- Safety and Immunogenicity of Different Formulations of an Adjuvanted, Trivalent Subunit Influenza Vaccine in Elderly Subjects 65 Years of Age and AboveCompletedNCT02126761Phase 1
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- Study of a Pandemic Influenza VaccineCompletedNCT00136331Phase 1
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- Phase II Study of Pandemic Influenza VaccineCompletedNCT00320346Phase 2
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Phase 2 Study of Immunogenicity, Safety and Tolerability of CSL412 in Elderly ParticipantsCompletedNCT00479648Phase 2
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- Study of a Pandemic Influenza Vaccine in ChildrenCompletedNCT00370864Phase 2
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- Study of a Pandemic Influenza Vaccine in Elderly ParticipantsCompletedNCT00376402Phase 2
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited
- A Study of the Safety, Tolerability & Immunogenicity of CSL Limited's Influenza Virus Vaccine In a Paediatric PopulationCompletedNCT00700193Phase 3
Sponsor listed in the registry: Seqirus · First submitted before Seqirus became part of CSL Limited