Clinical trial No longer in our active list Interventional Ages 4 to 14

Probiotics for treating allergic rhinitis in children

Official title: The Effectiveness of Probiotics in Relieving Allergic Rhinitis in Children and Their Regulatory Effect on the Gut Microbiota and Metabolic Profile

Run by Wecare Probiotics Co., Ltd. · NCT06676111 · Data updated 2026-05-14

This study is no longer in our active list. It may have stopped recruiting or finished. The details below are as of 2026-05-14 and are kept for reference. Check ClinicalTrials.gov for its current status, or see similar studies below.

This study is testing if probiotic gummies can help relieve allergy symptoms in children aged 4 to 14 years.

Quick facts

Study typeInterventional
Ages4 Years to 14 Years
SexAll
Enrollment70 (estimated)
SponsorWecare Probiotics Co., Ltd.
Industry-sponsored
Locations1 site (Luoyang, Henan)
Trial IDNCT06676111 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are children aged 4-14 who meet the diagnostic criteria for allergic rhinitis and exhibit persistent symptoms.

Probably not a fit

Patients with severe systemic diseases, congenital immunodeficiency, or those who have recently used medications affecting intestinal flora may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study evaluates the effectiveness of probiotic gummies in relieving symptoms of allergic rhinitis in children aged 4 to 14 years. Participants will receive either the probiotic treatment or a placebo, and the study will assess the clinical efficacy, changes in gut microbiota, serum metabolic profiles, and any adverse reactions. The goal is to determine if probiotics can provide a beneficial effect compared to standard treatment options.

Why it matters

Potential benefit: If successful, this study could offer a new, effective treatment option for children suffering from allergic rhinitis.

How similar studies have gone: Other studies have shown promising results with probiotics in managing allergic conditions, suggesting potential for success in this approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Age 4-14 years old;
2. Meet the diagnostic criteria for allergic rhinitis established in the Guidelines for the Diagnosis and Treatment of Allergic Rhinitis in Children (2022 Revised Edition);
3. Symptoms: 2 or more symptoms: sneezing, watery discharge, nasal itching and nasal congestion and other symptoms persist or accumulate for more than 1 hour per day, and may be accompanied by eye symptoms such as itching, watery eyes and red eyes;
4. Signs: pale and edema of the nasal mucosa, which may be accompanied by watery discharge;

Exclusion Criteria:

1. Drugs that affect the intestinal flora have been used continuously for more than 1 week within 1 month before screening;
2. Patients with pulmonary tuberculosis;
3. Combined with allergic asthma;
4. Those with nasal polyps or severe nasal septum deviation;
5. Patients with severe systemic diseases or malignant tumors;
6. Those with congenital genetic diseases and congenital immunodeficiency diseases;
7. Those who regularly use probiotics or prebiotics within 6 months before the screening period;
8. Those with severe digestive tract diseases (including severe diarrhea, inflammatory bowel disease, etc.);
9. Patients with metabolic syndrome (including obesity, dyslipidemia, hypertension, diabetes, etc.);
10. Patients with sinusitis, otitis media, or respiratory tract infection;
11. Those who are allergic to the probiotic-related ingredients used in this trial;
12. Subjects who are judged by other investigators to be insuitable to participate.

Where it's running

  • Henan University of Science and Technology
    Luoyang, Henan, China
    Recruiting

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

  • Does a daily postbiotic help active adults digest protein better?

    This study tests whether taking a daily postbiotic for 12 weeks improves blood levels of essential amino acids after a protein-rich meal in healthy, physically active adults.

    Recruiting Wecare Probiotics Co., Ltd. · Zhengzhou, Henan · NCT07900204

  • Probiotics for constipation in adults

    This randomized, placebo-controlled study tests whether probiotics can help adults with constipation, compared with a placebo over 8 weeks.

    Recruiting Wecare Probiotics Co., Ltd. · Suzhou, Jiangsu · NCT07765004

  • Probiotics vs. placebo for adults with constipation

    This trial tests whether daily probiotics for 8 weeks help adults with constipation compared with a non-active placebo.

    Recruiting Wecare Probiotics Co., Ltd. · Suzhou, Jiangsu · NCT07529457

  • Probiotic to ease chronic constipation

    This trial will test whether a daily probiotic supplement helps adults with chronic constipation have more regular bowel movements compared with a placebo.

    Recruiting Wecare Probiotics Co., Ltd. · Suzhou, Jiangsu · NCT07462481

  • BLa80 and LRa05 probiotics and blood metabolite changes in healthy adults

    This test will see if taking the probiotics BLa80 or LRa05 changes how healthy adults break down and absorb food, as shown by metabolites in the blood.

    Recruiting Wecare Probiotics Co., Ltd. · Guangzhou, Guangdong · NCT07287306

  • Probiotics to help non-organic digestive problems

    This trial will test whether four weeks of a compound probiotic can improve gastrointestinal function in adults (18–65) with non-organic digestive disorders.

    Recruiting Wecare Probiotics Co., Ltd. · Suzhou, Jiangsu · NCT07081100

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.