New registry aims to unlock pneumonia mysteries in vulnerable patients
NCT ID NCT06755814
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study is observing about 1,300 hospitalized adults with weakened immune systems who have pneumonia. Researchers will track their health for one year, looking at causes, treatments, and outcomes. The goal is to gather information to improve care for this high-risk group.
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 study could help doctors better predict and manage pneumonia in people with weakened immune systems.
- What could go wrong
- This is an observational study, not a treatment trial, so it won't directly test new therapies. Results may not apply to all patient groups.
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
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About 1,298 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2025
- Expected to finish
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Dec 2028
An estimate. End dates often move.
- Lead sponsor
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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
Immunosuppressed patients with Community-Acquired Pneumonia will be enrolled during hospitalization in Italian Pneumology, Infectious Diseases and Emergency Departments selected on their specific experteeze and know-how. Upon discharge, patients will be followed up at 30 days, 3 months, 6 months and 12 months after discharge.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: Hospitalized patients with a confirmed diagnosis of Community-Acquired Pneumonia (CAP) characterized by at least one of the following risk factors for immunosuppression: * AIDS, * Aplastic anemia; * Asplenia; * Hematologic malignancy (e.g., lymphoma/acute or chronic myeloid leukemia/multiple myeloma); * Chemotherapy within the last 3 months; * Neutropenia defined as a white blood cell count less than 500/dL on a complete blood count; * Use of biologics (including trastuzumab and therapy for autoimmune diseases (e.g., anti-TNF α), prescribed within the last 6 months before hospital admission; * Solid organ transplant; * Bone marrow transplant; * Chronic oral steroid use (\>10 mg/day prednisone or equivalent ≥3 months before accessing the ED, or cumulative dose \> 600 mg prednisone); * Use of corticosteroid therapy with a dose ≥ 20 mg prednisone or equivalent ≥14 days or cumulative dose \> 600 mg prednisone; * Active malignancy; * Malignancy within one year of pneumonia (excluding patients with localized skin cancer or early-stage malignancy); * Lung malignancy with neutropenia/chemotherapy; * Other solid malignancy with neutropenia/chemotherapy; * Other immunodeficiency (including congenital/genetic immunosuppression and immunosuppressive therapy secondary to hematologic malignancy or solid malignancy); * Primary immunodeficiency. Exclusion Criteria: * None
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Center, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico Milano Via Francesco Sforza 35 20122 Milan Italy
RECRUITINGMilan, Milano, 20122, Italy
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