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.
27 clinical trials for this condition and its sub-types, 27 tagged with Diphtheria itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Diphtheria
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Anterior nasal diphtheria 0 trials
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Cutaneous diphtheria 0 trials
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Diphtheritic myocarditis 0 trials
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Faucial diphtheria 0 trials
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Laryngeal diphtheria 0 trials
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Nasopharyngeal diphtheria 0 trials
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One shot to rule them all? new combo vaccine trial for kids begins
Vaccine Recruiting nowThis early-stage trial is testing a new vaccine that combines protection against several serious childhood diseases: diphtheria, tetanus, whooping cough, meningitis, and Hib. The study involves 260 children aged 2 months to 6 years to check the vaccine's safety and immune respons…
Phase 1 • Sponsor: CanSino Biologics Inc. • Aim: Vaccine
Last updated Jun 27, 2026 08:07 UTC
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One shot or two? study tests best way to give tdap and RSV vaccines in pregnancy
Prevention Recruiting nowThis study is looking at whether it's safe and effective to give the Tdap vaccine (for whooping cough) and the RSV vaccine at the same doctor's visit during pregnancy, or if they should be given separately. The researchers will recruit 60 healthy pregnant individuals and randomly…
Phase 4 • Sponsor: Canadian Immunization Research Network • Aim: Prevention
Last updated Jun 27, 2026 14:00 UTC
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Web lessons aim to boost vaccine knowledge in pregnant women
Knowledge-focused Recruiting nowThis study tests whether a web-based educational program can improve pregnant women's knowledge about influenza and Tdap vaccines and increase their intention to get vaccinated. Researchers will compare the program to standard antenatal care in 351 pregnant women in Malaysia. Par…
Sponsor: Universiti Putra Malaysia • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:28 UTC
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10,000 people tested: Cambodia's massive disease hunt begins
Knowledge-focused Recruiting nowThis study will test 10,000 people in Cambodia for 57 different infectious diseases, including dengue, flu, and malaria. Researchers want to understand how these diseases spread and who is at risk. The goal is to give local health authorities the information they need to create b…
Sponsor: Institut Pasteur du Cambodge • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:12 UTC