Understanding infectious diseases through a systems biology approach

Hypothesizing the Genesis of Infectious Diseases and Epidemics Through an Integrated Systems Biology Approach

NA · Cliniques universitaires Saint-Luc- Université Catholique de Louvain · NCT05557539

This study is trying to gather and analyze biological data from patients with COVID-19 to better understand why some people respond differently to the virus and improve their treatment.

Quick facts

PhaseNA
Study typeInterventional
Enrollment275 (estimated)
Ages18 Years and up
SexAll
SponsorCliniques universitaires Saint-Luc- Université Catholique de Louvain (other)
Locations1 site (Brussels)
Trial IDNCT05557539 on ClinicalTrials.gov

What this trial studies

This study aims to collect extensive biological data from patients infected with SARS-CoV-2 and analyze it using a systems biology approach. It consists of two parts: the first part involves prospective sampling of patients during acute infection and convalescence, while the second part utilizes previously collected samples from another study. The goal is to identify key biological determinants that contribute to different responses to SARS-CoV-2, ultimately enhancing patient management through precision medicine.

Who should consider this trial

Good fit: Ideal candidates include adults aged 18 and over with confirmed symptomatic SARS-CoV-2 infection or those presenting with hypoxemic respiratory failure from infectious causes.

Not a fit: Patients who are asymptomatic or those with acute respiratory infections unrelated to SARS-CoV-2 may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved management and treatment strategies for patients with SARS-CoV-2 and influenza infections.

How similar studies have performed: Other studies utilizing systems biology approaches have shown promise in understanding infectious diseases, making this approach both relevant and potentially impactful.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* 18 years or over
* Patient or legal representative have provided informed consent
* Cases: Reverse-transcriptase polymerase chain reaction (RT-PCR) confirmed symptomatic SARS-CoV-2 infection.
* Controls : (1) Patient presenting with hypoxemic respiratory failure diagnosed by the treating physician as being from infectious origin; (2) SARS-CoV-2 infection excluded by RT-PCR and deemed non-probable by the treating physician.
* Healthy controls : Patients presenting without acute respiratory failure (ie. SpO2 \>93%); (2) no RT-PCR or antigen rapid test proven SARS-CoV-2 infection within the last 6 months; (3) no active respiratory tract infection.

Exclusion Criteria:

* For all: (1) \<18 years old ; (2)unwilling to provide informed consent; (3) pregnancy at the time of inclusion
* For cases: Asymptomatic infection
* For controls: COVID-19 diagnosed by RT-PCR or suspect according to the treating physician at the time of inclusion,
* For health controls: Acute or chronic respiratory failure.

Where this trial is running

Brussels

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: SARS-CoV-2 Infection, Influenza Viral Infections

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.