Gram-negative bacterial infections
MONDO:0021678Infections caused by bacteria that show up as pink (negative) when treated by the gram-staining method.
Also known as: bacterial infection, gram-negative, bacterial infections, gram negative, bacterial infections, gram-negative, bacterial infections, gramme negative, gram negative bacterial infections, gram-negative bacterial infection, gramme negative bacterial infections, infection, gram-negative bacterial
301 clinical trials for this condition and its sub-types, 33 tagged with Gram-negative bacterial infections itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Gram-negative bacterial infections
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Helicobacter pylori infectious disease 115 trials
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Treponema infectious disease 7 trials · 58 incl. sub-types
4 sub-types
- Syphilis 47 trials · 56 incl. sub-types Sub-types →
- Pinta disease 1 trial
- Syphilitic encephalitis 0 trials
- Syphilitic meningitis 0 trials
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Chlamydiaceae infections 1 trial · 55 incl. sub-types
1 sub-type
- Chlamydia infectious disease 34 trials · 55 incl. sub-types Sub-types →
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Bordetellosis 0 trials · 39 incl. sub-types
2 sub-types
- Pertussis 39 trials
- Bordetella parapertussis infectious disease 0 trials
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Moraxellaceae infectious disease 0 trials · 8 incl. sub-types
1 sub-type
- Acinetobacter infectious disease 8 trials
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Pneumonia caused by gram negative bacteria 5 trials · 7 incl. sub-types
2 sub-types
- Pneumonia caused by chlamydia 2 trials
- Rickettsial pneumonia 0 trials
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Rickettsiaceae infectious disease 0 trials · 4 incl. sub-types
3 sub-types
- Typhus 0 trials · 3 incl. sub-types Sub-types →
- Spotted fever 0 trials · 1 incl. sub-types Sub-types →
- Rickettsial pneumonia 0 trials
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Burkholderia infectious disease 0 trials · 3 incl. sub-types
3 sub-types
- Melioidosis 3 trials
- Cepacia syndrome 0 trials
- Glanders 0 trials
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Anaplasmataceae infectious disease 0 trials · 2 incl. sub-types
4 sub-types
- Ehrlichiosis 1 trial Sub-types →
- Human granulocytic anaplasmosis 1 trial
- Neorickettsia infectious disease 0 trials
- Sennetsu fever 0 trials
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Bartonellaceae infectious disease 0 trials · 1 incl. sub-types
1 sub-type
- Bartonellosis 0 trials · 1 incl. sub-types Sub-types →
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Bacteroidaceae infectious disease 0 trials
1 sub-type
- Bacteroides infectious disease 0 trials
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Fusobacteriaceae infectious disease 0 trials
1 sub-type
- Fusobacterium infectious disease 0 trials
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1 sub-type
- Syphilitic meningitis 0 trials
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Streptobacillus infectious disease 0 trials
1 sub-type
- Streptobacillary rat-bite fever 0 trials
Most studied deeper sub-types
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Gut bacteria cocktail aimed at superbug infections – trial pulled before start
Disease control CancelledThis study planned to test a treatment called MET-2, a mix of gut bacteria, to help clear antibiotic-resistant germs from the body after a bloodstream infection. It was designed for adults not in intensive care who had a resistant infection. The trial was withdrawn before enrolli…
Phase 2 • Sponsor: University Health Network, Toronto • Aim: Disease control
Last updated Jun 27, 2026 11:00 UTC
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New tetracycline drugs take on superbugs in Real-World trial
Disease control By invitation onlyThis real-world study is testing two neotetracycline drugs, eravacycline and tigecycline, in 300 adults with drug-resistant Gram-negative bacterial infections. Researchers will track how well the drugs clear the infection and monitor for side effects. The goal is to see if these …
Sponsor: The First Affiliated Hospital with Nanjing Medical University • Aim: Disease control
Last updated Jun 27, 2026 08:09 UTC
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Could a single pill stop lyme disease before it starts?
Prevention OngoingThis study tests a new pill called TP-05 (lotilaner) to see if it can prevent Lyme disease in healthy adults who are often around ticks. The pill is already used in pets to kill ticks. Researchers will give either a low dose, high dose, or placebo to 700 volunteers and watch for …
Phase 2 • Sponsor: Tarsus Pharmaceuticals, Inc. • Aim: Prevention
Last updated Jul 11, 2026 00:00 UTC