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Pneumonia
MONDO:0005249An acute, acute and chronic, or chronic inflammation focally or diffusely affecting the lung parenchyma, caused by an infection in one or both of the lungs (by bacteria, viruses, fungi, or mycoplasma.). Symptoms include cough, shortness of breath, fevers, chills, chest pain, headache, sweating, and weakness.
Also known as: acute pneumonia
649 clinical trials for this condition and its sub-types, 327 tagged with Pneumonia itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Pneumonia
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Idiopathic interstitial pneumonia 10 trials · 219 incl. sub-types
10 sub-types
- Idiopathic pulmonary fibrosis 202 trials
- Non-specific interstitial pneumonia 14 trials
- Lymphoid interstitial pneumonia 7 trials
- Combined pulmonary fibrosis-emphysema syndrome 3 trials
- Cryptogenic organizing pneumonia 3 trials
- Idiopathic pleuroparenchymal fibroelastosis 1 trial
- Acute interstitial pneumonia 0 trials
- Desquamative interstitial pneumonia 0 trials
- Follicular bronchiolits 0 trials
- Respiratory bronchiolitis-interstitial lung disease syndrome 0 trials
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Bacterial pneumonia 28 trials · 65 incl. sub-types
8 sub-types
- Streptococcal pneumonia 16 trials
- Mycoplasma pneumoniae pneumonia 9 trials
- Klebsiella pneumonia 7 trials
- Pneumonia caused by gram negative bacteria 5 trials · 7 incl. sub-types Sub-types →
- Pneumonia caused by pseudomonas aeruginosa infection 3 trials
- Legionnaires' disease 2 trials
- Staphylococcal pneumonia 1 trial Sub-types →
- Anaerobic pneumonia 0 trials
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Viral pneumonia 27 trials
1 sub-type
- Cytomegalovirus pneumonia 0 trials Sub-types →
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Pneumocystosis 19 trials
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Recurrent pneumonia 3 trials
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Bronchopneumonia 1 trial
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Contagious pleuropneumonia 0 trials
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Eosinophilic pneumonia 0 trials
2 sub-types
- Chronic eosinophilic pneumonia 0 trials
- Idiopathic eosinophilic pneumonia 0 trials Sub-types →
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Pleuropneumonia 0 trials
Most studied deeper sub-types
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Experimental drug auxora tested in critical COVID-19 lung patients
Disease control Stopped earlyThis small Phase 2 trial tested an experimental drug called Auxora in 10 patients with critical COVID-19 pneumonia who were on ventilators. The goal was to see how the drug affected immune cells in the lungs and to check its safety. The study was terminated early, so results are …
Phase 2 • Sponsor: CalciMedica, Inc. • Aim: Disease control
Last updated Sep 11, 2026 00:00 UTC
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Can a simple inhaled combo keep pneumonia patients off ventilators?
Disease control Stopped earlyThis phase 3 trial tests whether an inhaled combination of budesonide (a corticosteroid) and formoterol (a bronchodilator) can prevent acute respiratory failure in hospitalized adults with pneumonia and low blood oxygen levels. Participants receive either the active treatment or …
Phase 3 • Sponsor: Stanford University • Aim: Disease control
Last updated Aug 08, 2026 00:03 UTC
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Placenta cells tested as COVID fighter – but trial stopped early
Disease control Stopped earlyThis early-phase trial tested a new therapy called CYNK-001, which uses natural killer cells from the placenta to fight COVID-19. It enrolled only 7 adults with moderate COVID-19. The study was terminated early, so we have limited information on safety and effectiveness.
Phase 1/2 • Sponsor: Celularity Incorporated • Aim: Disease control
Last updated Jun 28, 2026 00:00 UTC
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Heart drug fails to prove benefit for lung failure patients in early-stop trial
Disease control Stopped earlyThis study tested whether giving the heart medication metoprolol through a vein could help people with severe lung failure (ARDS) in the ICU. The goal was to see if it helped them breathe without a machine for more days. However, the trial was stopped early and only 14 people too…
Phase 3 • Sponsor: Consorcio Centro de Investigación Biomédica en Red (CIBER) • Aim: Disease control
Last updated Jun 27, 2026 13:02 UTC
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Carbon monoxide as medicine? tiny trial tests inhaled gas for lung failure
Disease control Stopped earlyThis early-phase trial tested whether inhaling low doses of carbon monoxide could be safe for people with severe lung injury caused by sepsis. Only 5 participants were enrolled before the study was stopped early. The goal was to see if a personalized dosing formula could safely a…
Phase 1 • Sponsor: Brigham and Women's Hospital • Aim: Disease control
Last updated Jun 27, 2026 12:37 UTC
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New drug fails to show benefit in severe COVID-19 pneumonia trial
Disease control Stopped earlyThis study tested whether adding reparixin to standard care could prevent death or the need for a breathing machine in 414 hospitalized adults with COVID-19 or other pneumonia. The trial was stopped early. Researchers compared reparixin to a placebo to see if it reduced severe ou…
Phase 3 • Sponsor: Dompé Farmaceutici S.p.A • Aim: Disease control
Last updated Jun 27, 2026 09:07 UTC
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Rapid test plus targeted antibiotic shows promise for tough infections in blood cancer patients
Disease control Stopped earlyThis study tested whether the antibiotic ceftolozane-tazobactam, guided by a rapid molecular test, could effectively treat serious Pseudomonas aeruginosa infections in people with blood cancers or those who had a stem cell transplant. The 17 participants received the antibiotic t…
Phase 4 • Sponsor: Weill Medical College of Cornell University • Aim: Disease control
Last updated Jun 27, 2026 08:12 UTC
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Experimental drug aims to keep viral pneumonia patients out of hospital
Disease control Stopped earlyThis Phase 2 trial tested the drug silmitasertib (CX-4945) plus standard care in adults with pneumonia caused by COVID-19 or influenza. The goal was to see if the drug could reduce the need for hospitalization or prevent death. The study planned to enroll 120 people but was termi…
Phase 2 • Sponsor: Senhwa Biosciences, Inc. • Aim: Disease control
Last updated Jun 27, 2026 08:09 UTC
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Early antibiotics in ICU aspiration: small trial halted before answers
Disease control Stopped earlyThis study tested whether giving antibiotics early to ICU patients who may have inhaled stomach contents could prevent pneumonia and improve recovery. Only 5 patients were enrolled before the trial was stopped early. The results are too limited to draw any conclusions about wheth…
Phase 4 • Sponsor: UConn Health • Aim: Disease control
Last updated Jun 27, 2026 08:07 UTC
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Vitamin c trial for elderly pneumonia fizzles out
Symptom relief Stopped earlyThis study looked at whether giving vitamin C to elderly patients hospitalized with pneumonia could improve their breathing and daily function. Only 9 people took part before the study was stopped early. Because it was so small, we can't say if vitamin C helps or not.
Phase 2 • Sponsor: University Hospital, Bordeaux • Aim: Symptom relief
Last updated Jun 27, 2026 12:36 UTC
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Anesthesia drug study halted after just 3 patients
Knowledge-focused Stopped earlyThis study aimed to see if skipping a type of muscle relaxant during general anesthesia could lower the risk of serious lung complications in high-risk surgery patients. The trial was terminated early after enrolling only 3 participants, so no meaningful conclusions can be drawn.…
Phase 4 • Sponsor: Beth Israel Deaconess Medical Center • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:03 UTC
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Lung cancer study aims to predict dangerous lung inflammation
Knowledge-focused Stopped earlyThis study followed 83 people with advanced non-small cell lung cancer who were starting standard treatments. The goal was to collect information to help develop a digital tool that can spot early signs of pneumonitis/ILD, a serious lung inflammation that can occur as a side effe…
Sponsor: AstraZeneca • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:29 UTC
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Scientists investigate why ventilators may worsen lung infections
Knowledge-focused Stopped earlyThis study looked at how mechanical ventilation (breathing machines) affects the energy centers (mitochondria) of immune cells in patients with severe lung infections and acute respiratory distress syndrome (ARDS). Researchers aimed to understand why some patients get worse despi…
Sponsor: Centre Hospitalier Universitaire Dijon • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:01 UTC
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Scientists probe immune cells in pneumonia to unlock ARDS secrets
Knowledge-focused Stopped earlyThis study looked at how certain immune cells, called non-conventional T cells, behave in patients with severe pneumonia and acute respiratory distress syndrome (ARDS). Researchers collected blood and airway samples from 258 intensive care unit patients to track these cells over …
Sponsor: University Hospital, Tours • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:59 UTC
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Smart band tracks COVID-19 breathing trouble
Knowledge-focused Stopped earlyThis study tested a special band called AirGo to monitor breathing patterns in hospitalized COVID-19 patients with respiratory failure. The goal was to see if the band could detect early signs of worsening breathing, helping doctors decide when to use a breathing tube. The study …
Sponsor: Massachusetts General Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:55 UTC
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Early safety test of iCP-NI drug halted before completion
Knowledge-focused Stopped earlyThis early-phase study tested the safety and tolerability of an experimental drug called iCP-NI in 24 healthy adults. Participants received either the drug or a placebo by intravenous infusion. The trial was terminated, so no conclusions about effectiveness can be drawn.
Phase 1 • Sponsor: Cellivery Therapeutics, Inc. • Aim: Knowledge-focused
Last updated Jun 26, 2026 19:00 UTC