Diphtheria
MONDO:0005504A Gram-positive bacterial infection caused by Corynebacterium diphtheriae. It usually involves the oral cavity, pharynx, and nasal cavity. Patients develop pseudomembranes in the affected areas and manifest signs and symptoms of an upper respiratory infection. The diphtheria toxin may cause myocarditis, polyneuritis, and other systemic effects.
61 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsSub-types
Broader categories
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Could a Lower-Dose polio vaccine help eradicate the disease?
⭐️ VACCINE ⭐️ CompletedThis study tests a hexavalent vaccine that protects against six diseases, including polio, but uses a lower dose of the inactivated polio vaccine (IPV). The goal is to see if this reduced-dose version works as well as the standard full-dose vaccine in infants. Around 1,500 health…
Phase: PHASE3 • Sponsor: Serum Institute of India Pvt. Ltd. • Aim: ⭐️ VACCINE ⭐️
Last updated Jul 03, 2026 00:00 UTC
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Thousands monitored: is the whooping cough vaccine safe in real life?
⭐️ VACCINE ⭐️ CompletedThis completed study tracked over 10,000 people in Thailand who received the Boostagen® vaccine, which protects against tetanus, diphtheria, and whooping cough. Healthcare workers reported any side effects to see how safe the vaccine is in everyday use. The study also looked at p…
Sponsor: BioNet-Asia Co., Ltd. • Aim: ⭐️ VACCINE ⭐️
Last updated Jun 27, 2026 09:09 UTC
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Hexaxim vaccine safety confirmed in 713 infants
⭐️ VACCINE ⭐️ CompletedThis completed study checked the safety of the Hexaxim vaccine in 713 infants aged 2 months and older in South Korea. Researchers tracked side effects like injection site reactions, fever, and crying after routine vaccination. The goal was to confirm the vaccine's safety in every…
Sponsor: Sanofi Pasteur, a Sanofi Company • Aim: ⭐️ VACCINE ⭐️
Last updated Jun 27, 2026 09:06 UTC
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New combo vaccine for babies shows promise in large trial
⭐️ VACCINE ⭐️ CompletedThis study tested a new vaccine called BK1310 in 370 healthy infants to see if it safely protects against several serious diseases: Hib, diphtheria, pertussis, tetanus, and polio. The vaccine was compared to existing vaccines. The goal was to check how well the infants' immune sy…
Phase: PHASE3 • Sponsor: Tanabe Pharma Corporation • Aim: ⭐️ VACCINE ⭐️
Last updated Jun 27, 2026 08:08 UTC
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New combo vaccine shows promise in protecting infants from five serious diseases
⭐️ VACCINE ⭐️ CompletedThis study tested a new vaccine called BK1310 in 267 healthy infants to see if it protects against tetanus, diphtheria, pertussis, polio, and bacterial meningitis as well as existing vaccines. Infants received three doses, and researchers measured their immune responses. The goal…
Phase: PHASE3 • Sponsor: Tanabe Pharma Corporation • Aim: ⭐️ VACCINE ⭐️
Last updated Jun 27, 2026 08:08 UTC
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Booster shot study aims to keep teens safe from whooping cough
⭐️ VACCINE ⭐️ CompletedThis study tested a booster dose of the DTaP vaccine (BK1301) in 446 adolescents aged 11-12 who had already received the standard childhood series. The goal was to confirm the vaccine boosts immunity against diphtheria, tetanus, and pertussis (whooping cough) safely. Results show…
Phase: PHASE3 • Sponsor: Tanabe Pharma Corporation • Aim: ⭐️ VACCINE ⭐️
Last updated Jun 27, 2026 08:08 UTC
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New 6-in-1 shot for babies shows promise in thai trial
⭐️ VACCINE ⭐️ CompletedThis study tested a new combination vaccine called Shan6™, which protects against six diseases (diphtheria, tetanus, whooping cough, hepatitis B, Hib, and polio) in healthy infants and toddlers in Thailand. The trial involved 460 participants and compared Shan6™ to a similar 5-in…
Phase: PHASE3 • Sponsor: Sanofi Pasteur, a Sanofi Company • Aim: ⭐️ VACCINE ⭐️
Last updated Jun 27, 2026 07:51 UTC
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Can extra tdap shots boost Life-Saving plasma?
Disease control CompletedThis study looks at whether giving the Tdap vaccine every 3 months for a year is safe for healthy plasma donors. Normally, this vaccine is given once every 10 years. The goal is to see if more frequent vaccination produces high levels of tetanus antibodies in the plasma, which co…
Phase: PHASE2 • Sponsor: ABO Holdings, Inc. • Aim: Disease control
Last updated Jul 04, 2026 00:00 UTC
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Rural patients get Hospital-Level care at home in landmark trial
Disease control CompletedThis study looked at whether giving hospital-level care to acutely ill adults in their own homes in rural areas works well. 160 people with various conditions like infections, heart failure, or COPD took part. The goal was to see if this approach could lower costs and help patien…
Phase: NA • Sponsor: Brigham and Women's Hospital • Aim: Disease control
Last updated Jun 27, 2026 07:57 UTC
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New rapid test for infection and inflammation put to the test
Diagnosis CompletedThis study looked at how well a new, quick finger-prick test (LumiraDx CRP) measures CRP levels compared to a standard lab test. CRP is a marker of infection, inflammation, or tissue injury. 79 adults with symptoms of these conditions took part. The goal was to see if the new tes…
Sponsor: LumiraDx UK Limited • Aim: Diagnosis
Last updated Jun 27, 2026 13:07 UTC
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New PET scan technique aims to sniff out hidden infections
Diagnosis CompletedThis early study tested whether a special PET scan using a radioactive form of vitamin B9 (11C-PABA) can help doctors see infections deep inside the body. Researchers scanned 13 healthy people and patients with known or suspected infections. The goal was to see if this method can…
Sponsor: Johns Hopkins University • Aim: Diagnosis
Last updated Jun 27, 2026 08:03 UTC
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Hospital push could shield seniors from preventable diseases
Prevention CompletedThis trial evaluates whether a hospital-based remedial vaccination strategy can improve Tdap-IPV (tetanus, diphtheria, pertussis, polio) vaccination rates in adults aged 65 and older in the Sarthe region of France. Participants are randomly assigned to receive either the remedial…
Phase: NA • Sponsor: Centre Hospitalier le Mans • Aim: Prevention
Last updated Jul 03, 2026 00:00 UTC
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Probiotic shows promise in easing antibiotic side effects in kids
Symptom relief CompletedThis study tested whether a probiotic called Bifidobacterium breve PRL2020 could reduce stomach issues like diarrhea in 121 children aged 3-12 who were taking amoxicillin antibiotics. The children took the probiotic alongside their antibiotic treatment. The goal was to see if it …
Phase: NA • Sponsor: Liaquat University of Medical & Health Sciences • Aim: Symptom relief
Last updated Jun 27, 2026 07:59 UTC
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Study links NSAIDs to severe bacterial infections
Knowledge-focused CompletedThis study looked at 335 adults hospitalized with bacterial infections to see if taking NSAIDs (like ibuprofen) before admission made their infections more severe. Researchers compared those with complicated infections (abscesses, needing surgery) to those with simpler infections…
Sponsor: Nantes University Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:03 UTC
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Scientists seek perfect antibiotic dose for young burn victims
Knowledge-focused CompletedThis study aimed to find the best dose of the antibiotic ceftazidime for critically ill children with severe burns. Researchers took blood samples from 3 children to measure how the drug moves through the body. The goal was to learn how to personalize dosing to improve treatment …
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:01 UTC
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New antibiotic studied in kids: first step toward better infection treatment
Knowledge-focused CompletedThis early-phase study tested a single dose of the antibiotic omadacycline (Nuzyra) in 23 children aged 8 to 17 who were hospitalized with bacterial infections. Researchers measured how the drug moved through the body and checked for side effects. The goal was to gather safety an…
Phase: PHASE1 • Sponsor: Paratek Pharmaceuticals Inc • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:00 UTC
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New imaging method could spot hidden bacteria
Knowledge-focused CompletedThis study tested a new imaging technique using a radioactive tracer called 11C-trimethoprim to see how it spreads in the bodies of 16 adults with suspected bacterial infections. Participants had PET/CT scans to track the tracer over time. The goal was to learn how the tracer beh…
Phase: PHASE1 • Sponsor: University of Pennsylvania • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:13 UTC
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Study: common chemicals could weaken vaccine power
Knowledge-focused CompletedThis study looked at whether exposure to PFAS chemicals (found in some water supplies) can weaken the body's immune response to the tetanus and diphtheria booster vaccine. Twenty adults from a community with known PFAS exposure received the vaccine and had blood and saliva sample…
Phase: PHASE4 • Sponsor: Rutgers, The State University of New Jersey • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:07 UTC
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ICU antibiotic dosing: what really matters?
Knowledge-focused CompletedThis study looked at 156 critically ill patients to find out what factors help achieve the right levels of beta-lactam antibiotics in the blood. Researchers collected clinical data and used therapeutic drug monitoring to see which patients reached target concentrations. The goal …
Sponsor: Centre Hospitalier Universitaire de Nīmes • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:01 UTC
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Wearable pump trial aims to free hospital patients from IV stands
Knowledge-focused CompletedThis study tested special wearable pumps (elastomeric pumps) to give antibiotics through a drip to hospital patients. Nine adults with bacterial infections took part to see if the pumps are safe, easy to use, and could save time and money compared to traditional methods. The goal…
Phase: NA • Sponsor: Stuart Bond • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:52 UTC