RecruitingPhase 3NCT07653100

A Phase 3 Study in India to Describe the Safety and Immunogenicity of RSVpreF

A PHASE 3 STUDY IN INDIA TO DESCRIBE THE SAFETY AND IMMUNOGENICITY OF RESPIRATORY SYNCYTIAL VIRUS (RSV) PREFUSION F SUBUNIT VACCINE IN ADULTS


Sponsor

Pfizer

Enrollment

540 participants

Start Date

Jun 22, 2026

Study Type

INTERVENTIONAL

Conditions

Summary

The purpose of this phase 3 multicenter, double-blinded, placebo-controlled study in India is to learn about the safety and immunogenicity of RSVpreF in adults.


Eligibility

Min Age: 18 Years

Inclusion Criteria16

  • Participants ≥18 years of age at Visit 1.
  • Participants who are ambulatory and live independently in the community.
  • Participants who are determined by medical history, physical examination (if required), and clinical judgment of the investigator to be eligible for inclusion in the study.
  • Applicable to participants 18 through 59 years of age: Participants who are healthy or have stable preexisting diseases. These participants are considered at high risk of RSV disease by having at least 1 reportable stable chronic medical condition(s) that belongs to 1 or more of the following:
  • Chronic heart disease (ie, coronary artery disease, heart failure, or congenital heart disease)
  • Chronic lung disease (ie, COPD, emphysema, asthma, interstitial lung disease, or cystic fibrosis)
  • Nongestational diabetes mellitus type 1 or type 2
  • Severe obesity (body mass index \[BMI\] ≥40 kg/m2)
  • Chronic liver disease (ie, cirrhosis)
  • Chronic kidney disease (not including end-stage renal disease with or without dialysis)
  • Chronic neurological disease that causes impaired airway clearance or respiratory muscle weakness (ie, poststroke dysphagia, amyotrophic lateral sclerosis, or muscular dystrophy)
  • Chronic hematologic disease (ie, sickle cell disease or thalassemia)
  • Note: A chronic medical condition for this study is defined as:
  • Duration ≥6 months.
  • Requires regular medical follow-up or ongoing prescribed medication or hospitalization in the previous year.
  • Capable of giving signed informed consent, which includes compliance with the requirements and restrictions listed in the informed consent document (ICD) and in the protocol.

Exclusion Criteria6

  • Bleeding diathesis or condition associated with prolonged bleeding that would, in the opinion of the investigator, contraindicate intramuscular injection.
  • History of severe adverse reaction associated with a vaccine and/or severe allergic reaction (eg, anaphylaxis) to any component of the study intervention(s) or any related vaccine.
  • Prior history of any subtype of Guillain-Barré syndrome of any etiology.
  • Serious chronic disorder, including metastatic malignancy, end-stage renal disease with or without dialysis, clinically unstable cardiac disease, or any other disorder that, in the investigator's opinion, excludes the participant from participating in the study.
  • Immunocompromised individuals with known or suspected immunodeficiency, as determined by history and/or laboratory/physical examination.
  • Individuals who receive chronic systemic treatment with immunosuppressive therapy, including cytotoxic agents, immunosuppressive monoclonal antibodies, systemic corticosteroids, or radiotherapy, eg, for cancer or an autoimmune disease, from 60 days before study intervention administration or planned receipt throughout the study.

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Interventions

BIOLOGICALRSVpreF

RSVpreF Vaccine

BIOLOGICALPlacebo

Placebo


Locations(13)

King George Hospital

Visakhapatnam, Andhra Pradesh, India

BGS Global Institute of Medical Sciences (BGSGIMS)

Bangalore, Karnataka, India

Radhakrishna Multispeciality Hospital and IVF Center

Bangalore, Karnataka, India

Belagavi Institute of Medical Sciences - Belagavi

Belagavi, Karnataka, India

Suyog Hospital

Nashik, Maharashtra, India

Aakash Healthcare Private Limited

Dwarka, National Capital Territory of Delhi, India

All India Institute Of Medical Sciences

New Delhi, National Capital Territory of Delhi, India

Sir Ganga Ram Hospital

New Delhi, National Capital Territory of Delhi, India

Maharaja Agrasen Superspeciality Hospital

Jaipur, Rajasthan, India

SRM Medical College Hospital and Research Centre - Kattankulathur

Chengalpattu, Tamil Nadu, India

Chettinad Hospital and Research Institute

Kelambākkam, Tamil Nadu, India

Institute of Post Graduate Medical Education & Research, SSKM Hospital

Kolkata, West Bengal, India

Institute of Post Graduate Medical Education and Research and Seth Sukhlal Karnani Memorial Hospital

Kolkata, West Bengal, India

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NCT07653100


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