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New surveillance study aims to spot respiratory outbreaks before they spread

NCT ID NCT07694648

Knowledge-focused Sponsor: Huashan Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jul 10, 2026 · Last updated Jul 10, 2026

Summary

This study tracks respiratory infections in thousands of patients across China to build a better early warning system. Researchers collect routine medical data and samples to identify which germs are circulating and how the body responds. The goal is to help hospitals and health officials respond faster to outbreaks.

What this could mean

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

What this could lead to
If successful, this could improve early detection and control of respiratory outbreaks, helping to prevent future pandemics.
What could go wrong
This is an observational study, so it does not test a treatment. Results may not lead to immediate changes in practice.

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

Study facts

What this study's own registry entry says, in plain language.

Participants

About 2,398 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2025

Expected to finish

Sep 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients with respiratory syndrome treated in fever clinics, emergency departments, outpatient clinics, or inpatient wards of participating medical institutions across China.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients with respiratory syndrome: Eligible patients are those diagnosed with respiratory syndrome based on the predefined data dictionary and the following ICD-10 (International Statistical Classification of Diseases, 10th Revision) diagnosis codes: R05, R50, J00, J01, J02, J03, J04, J06, J07, J08, J09, J10, J11, J12, J13, J14, J15, J16, J17, J18, J20, J21, J98.414, and J98.802. * Patients with respiratory syndrome: Eligible patients are identified using the following search criteria. Patients meeting any one of the following criteria should be included: 1. Medical history (History of Present Illness): Positive test result for a respiratory syndrome-related pathogen. 2. Laboratory testing: Positive test result for a respiratory syndrome-related pathogen. 3. Medication: Receipt of any of the following antiviral agents: Nirmatrelvir/Ritonavir Leritrelvir Xiannuotewei/Ritonavir Molnupiravir Azvudine Deuremidevir 4. Diagnosis: Diagnosis containing the term "respiratory tract infection." Exclusion Criteria: * Participants who may compromise the study results: Patients who are unable to provide a specimen or whose specimen volume is insufficient for laboratory testing. * Participants who are unable to comply with study procedures.

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Conditions

The condition(s) this trial relates to.

respiratory tract infectious disorder severe acute respiratory syndrome

As listed by the trial registrant

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

Acute respiratory infections (ARIS) Respiratory syndrome, acute, severe Respiratory tract infections (RTI)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    31 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Affiliated Hospital of Yan'an University

    RECRUITING

    Yan’an, Shaanxi, 716000, China

  • Altay Prefecture People's Hospital, Xinjiang

    RECRUITING

    Altay, Xinjiang, 836500, China

  • Beijing You'an Hospital, Capital Medical University

    RECRUITING

    Beijing, Beijing Municipality, 100069, China

  • Changji Hui Autonomous Prefecture People's Hospital

    RECRUITING

    Changji, Xinjiang, 831100, China

  • Characteristic Medical Center of Chinese People's Armed Police Force

    RECRUITING

    Tianjin, Tianjin Municipality, 300162, China

  • Children's Hospital of Shanxi Province

    RECRUITING

    Taiyuan, Shanxi, 030013, China

  • First Hospital of Shanxi Medical University

    RECRUITING

    Taiyuan, Shanxi, 030001, China

  • Heilongjiang Provincial Hospital

    RECRUITING

    Harbin, Heilongjiang, 150036, China

  • Hekou Yao Autonomous County People's Hospital

    RECRUITING

    Hekou, Yunnan, 661399, China

  • Huashan Hospital Fudan University

    RECRUITING

    Shanghai, Shanghai Municipality, 200040, China

  • Hunan University of Medicine General Hospital

    RECRUITING

    Huaihua, Hunan, 418000, China

  • Jiamusi Central Hospital

    RECRUITING

    Jiamusi, Heilongjiang, 154002, China

  • Jinyang Community Health Service Center of Pudong New Area, Shanghai

    RECRUITING

    Shanghai, Shanghai Municipality, 200136, China

  • Jiujiang No.1 People's Hospital

    RECRUITING

    Jiujiang, Jiangxi, 332000, China

  • Nanjing Hospital of Chinese Medicine

    RECRUITING

    Nanjing, Jiangsu, 210022, China

  • Shanghai East Hospital

    RECRUITING

    Shanghai, Shanghai Municipality, 200120, China

  • Shanghai Pudong Hospital, Fudan University Affiliated Pudong Medical Center

    RECRUITING

    Shanghai, Shanghai Municipality, 201399, China

  • Shanghai Sixth People's Hospital

    RECRUITING

    Shanghai, Shanghai Municipality, 200233, China

  • Shangqiu Municipal Hospital

    RECRUITING

    Shangqiu, Henan, 476000, China

  • Shenyang Sixth People's Hospital

    RECRUITING

    Shenyang, Liaoning, 110006, China

  • The 980th Hospital of the People's Liberation Army Joint Logistics Support Force

    RECRUITING

    Shijiazhuang, Hebei, 050082, China

  • The Fifth Affiliated Hospital of Guangzhou Medical University

    RECRUITING

    Guangzhou, Guangdong, 510700, China

  • The Fifth Affiliated Hospital of Sun Yat-sen University

    RECRUITING

    Zhuhai, Guangdong, 519000, China

  • The First Affiliated Hospital of Xinjiang Medical University

    RECRUITING

    Ürümqi, Xinjiang, 830054, China

  • The First Affiliated Hospital of Zhengzhou University

    RECRUITING

    Zhengzhou, Henan, 450052, China

  • The First People's Hospital of Yunnan Province

    RECRUITING

    Kunming, Yunnan, 650032, China

  • The Third Hospital of Baotou (Baotou City Hospital for Infectious Diseases)

    RECRUITING

    Baotou, Inner Mongolia, 014040, China

  • The Third People's Hospital of Nantong (Nantong Hospital of Infectious Diseases)

    RECRUITING

    Nantong, Jiangsu, 226006, China

  • Wuxi Fifth People's Hospital

    RECRUITING

    Wuxi, Jiangsu, 214005, China

  • Yichang Third People's Hospital

    RECRUITING

    Yichang, Hubei, 443003, China

  • Zaozhuang Municipal Hospital

    RECRUITING

    Zaozhuang, Shandong, 277100, China

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