New oral pill aims to fight RSV in adults

NCT ID NCT03699202

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests an oral drug called AK0529 (Ziresovir) in adults aged 18 to 75 with respiratory syncytial virus (RSV) infection. Participants receive either the drug or a placebo, and researchers measure how well symptoms improve and track any side effects. The goal is to see if AK0529 can safely reduce RSV symptoms and viral load.

What this could mean

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

Active substance

AK0529 (Ziresovir)

What this could lead to

If successful, this could provide a new oral treatment option for adults with RSV infection, potentially reducing symptoms and viral load.

What could go wrong

This is an early phase 2 trial with a small number of participants, so results may not confirm effectiveness or safety. The drug may cause side effects or fail to outperform placebo.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

respiratory syncytial virus infectious disease

As listed by the trial registrant

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

Contacts and locations

Locations

  • Affiliated Hospital of Zunyi Medical University

    Zunyi, 563000, China

  • Beijing Anzhen Hospital

    Beijing, Beijing Municipality, 100029, China

  • Beijing Ditan Hospital

    Beijing, Beijing Municipality, 100015, China

  • Beijing Pinggu Hospital

    Beijing, 101200, China

  • Central Hospital of Minhang District, Shanghai

    Shanghai, 201199, China

  • China-Japan Friendship Hospital

    Beijing, 100029, China

  • Huizhou Municipal Central Hospital

    Huizhou, Guangdong, 516001, China

  • Jiangsu Taizhou People's Hospital

    Taizhou, Jiangsu, 225300, China

  • Nanjing First Hospital

    Nanjing, Jiangsu, 210006, China

  • Nantong First People's Hospital

    Nantong, 226001, China

  • People's Hospital of Deyang City

    Deyang, Sichuan, 618000, China

  • Qingdao Municipal Hospital

    Qingdao, Shandong, 266011, China

  • Quanzhou First Hospital

    Quanzhou, Fujian, 362000, China

  • Sanya Central Hospital

    Sanya, Hainan, 572000, China

  • Shanghai East Hospital

    Shanghai, 200120, China

  • Shenzhen People's Hospital

    Shenzhen, 518001, China

  • Suining Central Hopital

    Suining, Sichuan, 629000, China

  • The First Affiliated Hospital of Bengbu Medical College

    Bengbu, 233004, China

  • The Second Affiliated Hospital of Hainan Medical University

    Haikou, Hainan, 571199, China

  • The Second Hospital of Hebei Medical University

    Shijiazhuang, Hebei, 050000, China

  • Xiangtan Central Hospital

    Xiangtan, 411100, China

  • Xinxiang First People's Hospital

    Xinxiang, 453000, China