Drug allergy
MONDO:0000775Immunologically mediated adverse reactions to medicinal substances used legally or illegally.
Also known as: allergy of exposure to drug, exposure to drug allergic disease
46 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsBroader categories
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HPV vaccine shows promise for girls on Immune-Suppressing drugs
⭐️ VACCINE ⭐️ CompletedThis study looked at whether the HPV vaccine works in girls aged 9 to 17 who are taking medicines that weaken their immune system, such as after an organ transplant or for diseases like lupus. The goal was to see if their bodies produce enough antibodies to protect against HPV. T…
Phase: PHASE2 • Sponsor: University Hospital, Bordeaux • Aim: ⭐️ VACCINE ⭐️
Last updated Jun 27, 2026 12:36 UTC
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New study could make paracetamol allergy testing quicker and safer
Diagnosis CompletedThis study looked at nearly 500 patients who had a paracetamol (acetaminophen) allergy test over 22 years. The goal was to find the smallest dose that triggers a reaction, so future tests can be shorter and safer. By analyzing past data, researchers hope to create a simplified te…
Sponsor: University Hospital, Montpellier • Aim: Diagnosis
Last updated Jun 27, 2026 13:07 UTC
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Millions wrongly told they're allergic to penicillin? study tests a fix.
Diagnosis CompletedThis study tested whether a standard allergy work-up can accurately identify people who were incorrectly labeled as allergic to penicillin. 155 adults with a suspected penicillin allergy went through testing, including a drug challenge to confirm if they were truly allergic. The …
Phase: NA • Sponsor: Oslo University Hospital • Aim: Diagnosis
Last updated Jun 27, 2026 12:37 UTC
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New blood test may pinpoint anesthesia allergies
Diagnosis CompletedThis study looked at whether a blood test called flow cytometry can accurately diagnose allergic reactions to muscle relaxants given during anesthesia. Researchers tested 129 adults who had a suspected allergic reaction during a past surgery. The goal was to see if the test could…
Phase: NA • Sponsor: University Hospital, Limoges • Aim: Diagnosis
Last updated Jun 27, 2026 11:01 UTC
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Full-Dose drug testing could pinpoint surgery allergies
Diagnosis CompletedThis study tested whether giving full therapeutic doses of anaesthetics like propofol and ketamine can safely diagnose drug allergies in people who had a suspected allergic reaction during surgery. Fifty adult patients with a history of perioperative hypersensitivity underwent in…
Phase: NA • Sponsor: University Hospital, Antwerp • Aim: Diagnosis
Last updated Jun 26, 2026 15:03 UTC
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Shorter steroid regimen may prevent chemo allergies just as well
Symptom relief CompletedThis study tested three ways of giving the steroid dexamethasone to prevent allergic reactions from the chemotherapy drug paclitaxel in 90 women with breast or gynecologic cancer. One group took oral dexamethasone the night before and morning of treatment, another got it intraven…
Phase: PHASE3 • Sponsor: Loma Linda University • Aim: Symptom relief
Last updated Jun 27, 2026 13:05 UTC
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Skin test skip for Kids' antibiotic allergies shows promise
Knowledge-focused CompletedThis study tested whether children under 16 with a history of mild beta-lactam (like penicillin) allergies could safely take the drug again without first having skin tests. Researchers used a questionnaire to identify low-risk kids and then gave them an oral dose. The goal was to…
Sponsor: Nantes University Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:01 UTC
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Digital tool helps doctors pick safer antibiotics for penicillin allergy patients
Knowledge-focused CompletedThis study tested a digital decision support tool for doctors treating hospitalized patients who report a penicillin allergy. Most people who think they are allergic to penicillin are not actually allergic, but they often receive less effective antibiotics. The tool helps doctors…
Sponsor: Althaia Xarxa Assistencial Universitària de Manresa • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:00 UTC
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Allergy test length may fuel gut bacteria resistance in children
Knowledge-focused CompletedThis study looked at children aged 0-18 who had mild, delayed allergic reactions to beta-lactam antibiotics (like amoxicillin). Researchers compared short (1-4 days) and long (5-8 days) oral drug challenge tests to see if longer testing increased the growth of antibiotic-resistan…
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:29 UTC
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New tool measures hidden burden on parents of kids with drug allergies
Knowledge-focused CompletedThis study tested a Turkish version of a questionnaire that measures how drug allergies in children affect their caregivers' quality of life. Researchers worked with 74 parents or guardians to see if the translated questions were reliable and accurate. The goal was to create a to…
Sponsor: Prof. Dr. Cemil Tascıoglu Education and Research Hospital Organization • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:02 UTC
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Scientists gather clues on mysterious immune defects
Knowledge-focused CompletedThis study collected blood, saliva, stool, urine, and skin samples from 19 people with unknown or poorly understood immune system problems. The goal was to learn how different parts of the immune system work together. No treatments or drugs were tested. Participants were followed…
Sponsor: National Institute of Allergy and Infectious Diseases (NIAID) • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:58 UTC
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Can a simple eye test predict which seasickness pill works best for you?
Knowledge-focused CompletedThis study looked at how two common seasickness drugs (scopolamine and meclizine) change inner ear balance tests in 54 healthy soldiers who get seasick. Researchers measured eye movements before and after taking the drugs to see if these tests could predict which drug works best …
Phase: PHASE4 • Sponsor: Medical Corps, Israel Defense Force • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:53 UTC
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20 years of data reveal safer allergy test doses
Knowledge-focused CompletedThis study looked at 20 years of data from over 1,200 patients to find the safest and most effective doses for drug provocation tests (DPTs) for beta-lactam allergies. Researchers analyzed past positive tests to create a new, simpler testing protocol. They will now test this new …
Phase: NA • Sponsor: University Hospital, Montpellier • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:52 UTC