New RSV vaccine aims to shield adults from severe respiratory infection

NCT ID NCT07653100

Recruiting now ⭐️ VACCINE ⭐️ Sponsor: Pfizer Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Aug 14, 2026 · Updated 5 times

Summary

This study tests an experimental vaccine called RSVpreF in adults to see if it is safe and triggers a strong immune response against respiratory syncytial virus (RSV). Around 540 adults in India will receive either the vaccine or a placebo. Researchers will monitor for side effects and measure antibody levels in the blood.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
RSVpreF vaccine
What this could lead to
If successful, this vaccine could help protect adults from severe RSV infections, reducing hospitalizations and serious respiratory illness.
What could go wrong
This is a phase 3 trial focused on safety and immune response, not yet proven to prevent disease. Side effects like injection-site reactions or fever are possible.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Aakash Healthcare Private Limited

    RECRUITING

    Dwarka, National Capital Territory of Delhi, 110075, India

  • All India Institute Of Medical Sciences

    RECRUITING

    New Delhi, National Capital Territory of Delhi, 110029, India

  • BGS Global Institute of Medical Sciences (BGSGIMS)

    RECRUITING

    Bangalore, Karnataka, 560060, India

  • Belagavi Institute of Medical Sciences - Belagavi

    RECRUITING

    Belagavi, Karnataka, 590001, India

  • Chettinad Hospital and Research Institute

    RECRUITING

    Kelambākkam, Tamil Nadu, 603103, India

  • Institute of Post Graduate Medical Education & Research, SSKM Hospital

    RECRUITING

    Kolkata, West Bengal, 700020, India

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

    RECRUITING

    Kolkata, West Bengal, 700020, India

  • King George Hospital

    RECRUITING

    Visakhapatnam, Andhra Pradesh, 530002, India

  • Maharaja Agrasen Superspeciality Hospital

    RECRUITING

    Jaipur, Rajasthan, 302039, India

  • Radhakrishna Multispeciality Hospital and IVF Center

    RECRUITING

    Bangalore, Karnataka, 560085, India

  • SRM Medical College Hospital and Research Centre - Kattankulathur

    RECRUITING

    Chengalpattu, Tamil Nadu, 603203, India

  • Sir Ganga Ram Hospital

    RECRUITING

    New Delhi, National Capital Territory of Delhi, 110060, India

  • Suyog Hospital

    RECRUITING

    Nashik, Maharashtra, 422003, India

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