Pragmatic Randomized Trial to Evaluate the Effectiveness of High-Dose Quadrivalent Influenza Vaccine vs. Standard-Dose Quadrivalent Influenza Vaccine in adults aged 65 to 79 years in Galicia, Spain

2023-506977-36-00 Protocol GALFLU Therapeutic use (Phase IV) Ongoing, recruiting

Start 26 Oct 2023 · Status Ongoing, recruiting · 1 EU/EEA countries · 1 sites · Protocol GALFLU

Overview

Sponsor-declared trial summary

Phase Therapeutic use (Phase IV)
Status Ongoing, recruiting
Participants planned 114,011
Countries 1
Sites 1

Prevention of influenza infection in adults aged 65-79 years

To evaluate the relative vaccine effectiveness of QIV-HD vs. QIV-SD in reducing the risk of hospitalization for influenza or pneumonia [composite endpoint] in adults aged 65 to 79 years.

Key facts

Sponsor
Complexo Hospitalario Universitario De Santiago
Participant type
Patients, Healthy volunteers
Age range
65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Virus Diseases [C02]
Trial duration
26 Oct 2023 → ongoing
Decision date (initial)
2023-09-13
Transition trial
No
Low-intervention
Yes
Rare-disease indication
No
Vulnerable population
No
Funding sources
SANOFI

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Prophylaxis

To evaluate the relative vaccine effectiveness of QIV-HD vs. QIV-SD in reducing the risk of hospitalization for influenza or pneumonia [composite endpoint] in adults aged 65 to 79 years.

Secondary objectives 1

  1. to evaluate the relative vaccine effectiveness of QIV-HD vs. QIV-SD in reducing the risk of the following endpoints in adults aged 65 to 79 years: 1. Hospitalization for any cardio-respiratory disease [composite endpoint] 2. All-cause hospitalization 3. All-cause mortality 4. Hospitalization for influenza 5. Hospitalization for pneumonia

Conditions and MedDRA coding

Prevention of influenza infection in adults aged 65-79 years

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 1

  1. 1. Age 65-79 years residing in the community (only individuals who are not eligible to receive QIV-HD as part of the standard of care). 2. Informed consent form has been signed and dated

Exclusion criteria 1

  1. There are no specific exclusion criteria for this study

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. The primary endpoint of the study is the occurrence of a hospitalization due to influenza or pneumonia [composite endpoint].

Secondary endpoints 1

  1. The secondary endpoints of the study are as follows: 1. Hospitalization for any cardio-respiratory disease [composite endpoint] 2. All-cause hospitalization 3. All-cause mortality 4. Hospitalization for influenza 5. Hospitalization for pneumonia

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 1

Efluelda, suspensión inyectable en jeringa precargada Vacuna antigripal tetravalente (virus fraccionados, inactivados), 60 microgramos HA/cepa

PRD8052631 · Product

Active substance
BPHUKET30732013-LIKE Virus (BPHUKET30732013, Wild Type)
Substance synonyms
B/PHUKET/3073/2013-LIKE STRAIN (B/PHUKET/3073/2013, WILD TYPE), B/Phuket/3073/2013-like strain (B/Yamagata/16/88 lineage) (B/Phuket/3073/2013, wild type)
Pharmaceutical form
SUSPENSION FOR INJECTION
Route of administration
INTRAMUSCULAR INJECTION
Max daily dose
0.7 ml millilitre(s)
Max total dose
0.7 ml millilitre(s)
Max treatment duration
1 Day(s)
Authorisation status
Authorised
ATC code
J07BB02 — INFLUENZA, PURIFIED ANTIGEN
Marketing authorisation
85.068
MA holder
SANOFI PASTEUR
MA country
Spain
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Comparator 1

Influvac Tetra suspensión inyectable en jeringa precargada (vacuna antigripal inactivada de antígenos de superficie)

PRD5590776 · Product

Active substance
BPHUKET30732013-LIKE Virus (BPHUKET30732013, Wild Type)
Substance synonyms
B/PHUKET/3073/2013-LIKE STRAIN (B/PHUKET/3073/2013, WILD TYPE), B/Phuket/3073/2013-like strain (B/Yamagata/16/88 lineage) (B/Phuket/3073/2013, wild type)
Pharmaceutical form
SUSPENSION FOR INJECTION
Route of administration
INTRAMUSCULAR INJECTION
Max daily dose
0.5 ml millilitre(s)
Max total dose
0.5 ml millilitre(s)
Max treatment duration
1 Day(s)
Authorisation status
Authorised
ATC code
J07BB02 — INFLUENZA, PURIFIED ANTIGEN
Marketing authorisation
82600
MA holder
MYLAN IRE HEALTHCARE LIMITED
MA country
Spain
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Complexo Hospitalario Universitario De Santiago

Sponsor organisation
Complexo Hospitalario Universitario De Santiago
Address
Calle Choupana Da S/n
City
Santiago De Compostela
Postcode
15706
Country
Spain

Scientific contact point

Organisation
Complexo Hospitalario Universitario De Santiago
Contact name
Federico Martinon Torres

Public contact point

Organisation
Complexo Hospitalario Universitario De Santiago
Contact name
Federico Martinon Torres

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Spain Ongoing, recruiting 114,011 1
Rest of world 0

Investigational sites

Spain

1 site · Ongoing, recruiting
Dirección General de Salud Pública
Xefa do Servizo de Control de Enfermedades Transmisibles, Edificio Administrativo de San Lázaro, 15781, Santiago de Compostela

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Spain 2023-10-26 2023-10-26

Application history

1 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2023-07-13 Spain Acceptable
2023-09-13
2023-09-13