Seasonal allergic rhinitis
MONDO:0005324Allergic rhinitis caused by outdoor allergens.
Also known as: hay fever, seasonal allergic rhinitis
69 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsBroader categories
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New allergy vaccine shows promise in early safety trial
⭐️ VACCINE ⭐️ CompletedThis early-stage study tests a new vaccine called PollenVax for people with moderate to severe mugwort pollen allergy. The main goal is to see if the vaccine is safe and tolerable in 30 adults aged 18 to 65. Participants receive four shots of either the vaccine or a placebo, and …
Phase: PHASE1 • Sponsor: Kazakh National Agrarian University • Aim: ⭐️ VACCINE ⭐️
Last updated Jul 01, 2026 00:00 UTC
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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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Molecular map may guide treatment for mysterious inflammatory illnesses
Disease control CompletedThis study tested whether analyzing a patient's DNA and RNA could help doctors pick the right drug for inflammatory diseases that don't fit standard categories. 32 adults with at least two affected organs (including skin) received one of six targeted therapies based on their mole…
Phase: PHASE2 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 27, 2026 12:36 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 tracer aims to light up hidden infections
Diagnosis CompletedThis early study tested a new radioactive tracer called 18F-FDS in 16 people with suspected bacterial or fungal infections. The tracer is designed to light up infection sites on PET/CT scans, helping doctors see exactly where an infection is. The goal was to check how the tracer …
Sponsor: Johns Hopkins University • Aim: Diagnosis
Last updated Jun 27, 2026 08:03 UTC
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New grass allergy shot shows promise in reducing hay fever misery
Symptom relief CompletedThis study tested an investigational treatment called PQ Grass 27600 SU in 119 adults with seasonal grass pollen allergies (hay fever). The goal was to see if it could reduce allergy symptoms and the need for relief medications during peak grass pollen season. Participants receiv…
Phase: PHASE2, PHASE3 • Sponsor: Allergy Therapeutics • Aim: Symptom relief
Last updated Jun 27, 2026 12:25 UTC
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New combo therapy may offer lasting hay fever relief
Symptom relief CompletedThis study looked at whether taking a grass pollen tablet (SLIT) together with the drug dupilumab for 2 years can help adults with moderate to severe hay fever tolerate grass pollen better, even after stopping treatment. About 199 participants were involved. The main goal was to …
Phase: PHASE2 • Sponsor: National Institute of Allergy and Infectious Diseases (NIAID) • Aim: Symptom relief
Last updated Jun 27, 2026 12:24 UTC
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New hope for teens with severe hay fever: xolair shows promise
Symptom relief CompletedThis study tested Xolair (omalizumab) in 50 teenagers aged 12 to 17 with severe seasonal allergic rhinitis (hay fever) that standard treatments couldn't control. Researchers tracked side effects and how much symptoms improved. The goal was to see if Xolair is safe and effective i…
Sponsor: Novartis Pharmaceuticals • Aim: Symptom relief
Last updated Jun 27, 2026 11:01 UTC
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New supplement shows promise for hay fever relief
Symptom relief CompletedThis study tested whether a supplement called M-Gard can help relieve symptoms of seasonal grass pollen allergies (hay fever). Twenty healthy adults with a history of grass allergies took M-Gard or a placebo in a crossover design. Researchers measured symptom severity like nasal …
Phase: PHASE2 • Sponsor: RDC Clinical Pty Ltd • Aim: Symptom relief
Last updated Jun 27, 2026 09:10 UTC
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Could a tiny dose of muscle relaxant make lung scopes safer?
Symptom relief CompletedThis study looked at whether giving a low dose of a muscle relaxant (rocuronium) during bronchoscopy—a procedure where a tube is inserted into the lungs—could reduce complications like throat spasms and coughing. 153 adults having elective bronchoscopy were split into two groups:…
Phase: NA • Sponsor: Harbin Medical University • Aim: Symptom relief
Last updated Jun 27, 2026 09:09 UTC
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New allergy pill shows promise in ragweed season trial
Symptom relief CompletedThis study tested a new drug called BLU-808 in 21 adults with ragweed allergies. The goal was to see if it is safe and helps reduce sneezing, runny nose, and itchy eyes caused by ragweed pollen. Participants were exposed to ragweed in a special chamber to measure the drug's effec…
Phase: PHASE2 • Sponsor: Blueprint Medicines Corporation • Aim: Symptom relief
Last updated Jun 27, 2026 09:04 UTC
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New allergy shot shows promise in early trial
Symptom relief CompletedThis Phase 2 trial tested an injection called TQC2938, a humanized monoclonal antibody, in 136 adults with seasonal allergic rhinitis. All participants also used a standard nasal spray. The study measured how well the injection reduced nasal symptoms like sneezing and congestion …
Phase: PHASE2 • Sponsor: Chia Tai Tianqing Pharmaceutical Group Nanjing Shunxin Pharmaceutical Co., Ltd. • Aim: Symptom relief
Last updated Jun 27, 2026 09:03 UTC
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New allergy drug shows promise in early trial
Symptom relief CompletedThis early-stage study tested a new drug called INI-2004 in 68 healthy people and those with ragweed allergies. The goal was to check safety and how well it reduces nasal symptoms like sneezing and congestion. Researchers gave single or multiple doses and monitored side effects a…
Phase: PHASE1 • Sponsor: Inimmune Corporation • Aim: Symptom relief
Last updated Jun 27, 2026 08:12 UTC
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New hope for cedar fever sufferers: drug eases severe allergy symptoms
Symptom relief CompletedThis study tested a drug called omalizumab in 337 adults and teens with severe Japanese cedar pollen allergy (hay fever) that standard medicines couldn't control. Participants received either omalizumab or a placebo on top of their usual allergy treatments for 12 weeks. The goal …
Phase: PHASE3 • Sponsor: Novartis Pharmaceuticals • Aim: Symptom relief
Last updated Jun 27, 2026 08:10 UTC
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New allergy shot shows promise for those failed by standard meds
Symptom relief CompletedThis study tested a new drug called LP-003 in 180 adults with moderate to severe seasonal allergic rhinitis (hay fever) that wasn't well controlled by usual treatments like antihistamines or nasal sprays. LP-003 is an antibody that blocks IgE, a key driver of allergic reactions, …
Phase: PHASE2 • Sponsor: Longbio Pharma • Aim: Symptom relief
Last updated Jun 27, 2026 08:04 UTC
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New allergy drug shows promise in early trial
Symptom relief CompletedThis early-stage study tested a single dose of the investigational drug MT-2990 in 75 adults with seasonal allergic rhinitis triggered by Japanese cedar pollen. The main goals were to check the drug's safety, how the body processes it, and whether it can reduce allergy symptoms w…
Phase: PHASE1 • Sponsor: Tanabe Pharma Corporation • Aim: Symptom relief
Last updated Jun 27, 2026 08:03 UTC
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New birch allergy treatment shows promise for kids in major trial
Symptom relief CompletedThis study tested a medication called STALORAL Birch 300 IR in 553 children aged 5 to 17 with birch pollen allergies. The goal was to see if it safely reduces symptoms like sneezing, runny nose, and itchy eyes during pollen season. Participants received the treatment or a placebo…
Phase: PHASE3 • Sponsor: Stallergenes Greer • Aim: Symptom relief
Last updated Jun 27, 2026 08:00 UTC
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Can a tiny dose of IL-2 tame hay fever?
Symptom relief CompletedThis study tested whether a low dose of IL-2 (a protein that helps regulate the immune system) could reduce nasal symptoms in people with birch pollen allergy. Twenty-four adults with a history of seasonal allergies received either the drug or a placebo over several months. The g…
Phase: PHASE2 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Symptom relief
Last updated Jun 26, 2026 18:23 UTC
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Early allergy pill may stop sneezing before it starts
Symptom relief CompletedThis study tested whether taking the allergy drug fexofenadine for two days before ragweed season can reduce symptoms like sneezing and runny nose. 95 adults with ragweed allergies were randomly given either fexofenadine or a placebo. Researchers measured nasal symptoms over six …
Phase: PHASE3 • Sponsor: Opella Healthcare Group SAS, a Sanofi Company • Aim: Symptom relief
Last updated Jun 26, 2026 15:14 UTC
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Study explores how family and friends impact caregiver health
Knowledge-focused CompletedThis completed study looked at how the social networks of caregivers affect their stress and health when caring for someone with an inherited disease. Researchers surveyed over 680 participants, including family members and formal caregivers, to understand caregiving burden and s…
Sponsor: National Human Genome Research Institute (NHGRI) • Aim: Knowledge-focused
Last updated Jul 02, 2026 00:00 UTC
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Mystery autumn allergies traced to birch rust?
Knowledge-focused CompletedThis study investigates whether spores from birch rust fungi trigger seasonal allergies in autumn. Researchers will compare 30 people with suspected birch rust allergy to 15 non-allergic controls, tracking symptoms and spore levels. The goal is to understand a possible cause of a…
Sponsor: University Hospital of North Norway • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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Scientists track how allergies fade away naturally
Knowledge-focused CompletedThis study looked at how the body naturally stops allergic inflammation after being exposed to grass pollen. Researchers measured specific molecules in the nose that help control and resolve the allergic response. Twenty adults with grass pollen allergies participated. The goal w…
Phase: NA • Sponsor: University Hospital, Strasbourg, France • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:13 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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Grass allergy test study seeks better standardization
Knowledge-focused CompletedThis study aimed to find the right strength of two grass allergen extracts (timothy and orchard grass) to cause a skin reaction similar to histamine. Thirty-one adults with grass pollen allergies received skin prick tests with different concentrations. The goal was to improve all…
Phase: NA • Sponsor: Inmunotek S.L. • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:53 UTC
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Could a dissolved allergy tablet replace the old nasal test for birch pollen?
Knowledge-focused CompletedThis completed study tested whether a dissolved allergy tablet (Itulazax) can be used as a nasal spray to diagnose birch pollen allergy. 89 participants received either the dissolved tablet or a saltwater spray, and their nasal symptoms and airflow were measured. The goal was to …
Phase: NA • Sponsor: Karolinska Institutet • Aim: Knowledge-focused
Last updated Jun 26, 2026 18:37 UTC