> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/influenza-b-virus-live-attenuated-17441795-9a10-4292-871d-79d4087dec43
> Record changed: 2026-11-04

# Influenza B virus, live attenuated

Highest phase reached

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL6068387)

Drug type

Vaccine component

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL6068387)

First approval year

2011

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL6068387)

## Development status

**First approval year**

2011

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL6068387)

**Listing at source**

Listed

**Highest phase reached**

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL6068387)

## Names and chemistry

**Drug type**

Vaccine component

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL6068387)

**Drug name**

Influenza B virus, live attenuated

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL6068387)

### Brand names (4)

- influenza b virus live attenuated component of fluenz
- influenza b virus live attenuated component of fluenz tetra
- Influenza b virus, live attenuated component of fluenz
- Influenza b virus, live attenuated component of fluenz tetra

### Other names (2)

- influenza b virus live attenuated
- Influenza b virus, live attenuated

## Identifiers

**ChEMBL ID**

CHEMBL6068387

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL6068387)

## Regulatory information

### Other regulatory facts

**First in class**

No

**Orphan designation**

No

## Pharmacology

### Drug classification

**Drug name stem**

vir-

### Investigated indications (2)

- **Condition**  
Vaccination

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0004292

**Subject identifier**  
D014611
- **Condition**  
Influenza, Human

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0007328

**Subject identifier**  
D007251

### Open Targets indications (2)

- **Condition identifier**  
EFO\_0007328
- **Condition identifier**  
MONDO\_0005812

**Highest recorded phase**  
4

## Chemical properties

**Prodrug**

No

**Chirality**

Single enantiomer

**Inorganic**

No

**Natural product**

No

## Related records

### Trials (43)

- A Phase III/IV Open-label Study of the Immunogenicity and Safety of a Single Dose of a Live Attenuated Influenza Vaccine (LAIV) (FluenzTM) for Each of Three Successive Years in Children naïve to, or in Previous Receipt of the AS03B Adjuvanted H1N1 (2009) Influenza Vaccine (Pandemrix ™).
- A Pilot Study to Assess the Immunogenicity and Reactogenicity of High Versus Standard Dose TIV
- [A Study of 9-valent Extraintestinal Pathogenic Escherichia Coli Vaccine (ExPEC9V) and High-dose Quadrivalent Influenza Vaccine, With and Without Co-administration, in Adults Aged 65 Years or Older](https://trialight.com/data/trial/a-study-of-9-valent-extraintestinal-pathogenic-escherichia-7ffa29c0-75e4-452a-a483-0fce12a0b71e.md)
- A Study of Influenza Virus Vaccines in Children and Adults
- B Cell and Antibody Response to Seasonal Influenza Vaccines in Younger and Older Adults
- B-cell Immunity to Influenza (SLVP017)- Year 1, 2009
- Clinical Trial Assessing the Immunologic Response to a Influenza Vaccine Delivered Using an Jet Injection Device or a Needle Syringe
- Effect of High-Dose Quadrivalent Influenza Vaccine (Efluelda®) Versus Standard-Dose (QIV-SD), in Subjects 65 Years of Age and Older on Innate Immunity, Including Gene Expression
- Evaluate the Shedding and Immunogencity of Different Formulations of FluMist in Children 24 to <48 Months of Age
- Exploring Novel Mechanisms of Vaccine Failure LAIV Pilot Study
- FLU-VACS Comparative Study in Adults
- FLUAD vs. FLUZONE HD Influenza Vaccine in Residents of Long Term Care
- FluMist in Egg Allergic Patients
- Gene Signatures of Influenza Vaccine Responses in Older Adults
- GEneRating Mucosal Immunity After INfluenzA Infection and Vaccination in Lung and Lymphoid TissuE
- High vs. Standard Dose Flu Vaccine in Adult Stem Cell Transplant Recipients
- High vs. Standard Dose Influenza Vaccine in Adult SOT Recipients
- High vs. Standard Dose Influenza Vaccine in Lung Allograft Recipients
- High vs. Standard Dose Influenza Vaccines in Lung Transplant (Repeater)
- High vs.Standard Dose Influenza Vaccine in Pediatric Solid Organ Transplant (SOT) Recipients

### Approved for (1)

- [Influenza](https://trialight.com/data/condition/influenza-ea12369b-7ed6-5f6b-94fe-eb0e56c24def.md)

---

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