New study checks allergy Pill's safety and symptom relief
NCT ID NCT05720455
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested the safety and effectiveness of Allegra D (fexofenadine plus pseudoephedrine) in 203 people aged 12 and older with allergic rhinitis. Participants took the medication for up to 13 days, and researchers tracked side effects and symptom improvement using nasal and total symptom scores. The goal was to confirm the drug works well and is safe for this group.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
-
203 people
The number who actually took part.
- Started
-
Jun 2025
- Finished
-
Dec 2025
- Lead sponsor
-
A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
12 years and older
- Sex
-
Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Participant (male or female) must be 12 years or more, at the time of signing the informed consent. * Female participant is eligible to participate if she is not pregnant, not breastfeeding, and at least 1 of the following conditions applies: i) Not a woman of childbearing potential (WOCBP) OR ii) A WOCBP who agrees to follow the contraceptive guidance during the intervention period and for at least 3 days after the last dose of study intervention * Male participants who agree to follow the contraceptive guidance during the intervention period and for at least 3 days after the last dose of study intervention * Capable of giving signed informed consent: i) Signed informed consent (for participants who are 18 years old or above) ii) Participant assent and parental/legal guardian consent (for participants who are less than 18 years old) Exclusion Criteria: * Participants with nasal diseases (hypertrophic rhinitis, paranasal sinusitis, nasal polyps, acute rhinitis, deviation of the nasal septum, etc.), upper respiratory tract infection or acute otitis media that could interfere with judgment of the efficacy of the investigational product (IP) and participants developing cold-like symptoms 30 days before the screening visit * Participants with severe asthma, bronchiectasis * Participants using following drugs: a) within 5 days prior to the day of screening: i) Intranasal or oral: antiallergic drugs, decongestants, antihistamines, anticholinergic agents, vasoconstrictor, antihistamine-containing cold remedies, agents that can be expected to have an antiallergic/antihistaminic effect, and other agents that are indicated for allergic symptoms (sneezing, rhinorrhea, nasal congestion, etc.) ii) agents that may affect the blood concentration of fexofenadine (macrolide antibiotics, azole fungicides, and preparations containing aluminum hydroxide / magnesium hydroxide) b) within 2 weeks prior to screening visit: i) participants using steroids, sodium cromoglycate/nedocromil or leukotriene modifiers ii) participants receiving monoamine oxidase (MAO) inhibitor therapy iii) participants receiving immunotherapy or immunosuppressants or nonspecific alternative therapy (histamine containing gamma globulin preparations etc) * Participants who are participating in another study or who have previously participated in another study within the previous 3 months prior to the day of screening * Participants were excluded from the study if they had hypersensitivity to, fexofenadine HCL, or pseudoephedrine HCL The above information is not intended to contain all considerations relevant to a potential participation in a clinical trial.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for Rhinitis, allergic are added.
By submitting, you agree to our Terms of use
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Apex Hospital Private Limited
Jaipur, Rajasthan, 302017, India
-
Belagavi Institute of Medical science
Belagavi, Karnataka, 590001, India
-
Dr BR Ambedkar Medical College & Hospital
Bangalore, Karnataka, 560045, India
-
Misha ENT Hospital
Ahmedabad, Gujarat, 380008, India
-
Moti Lal Nehru Medical College
Allahābād, Uttar Pradesh, 211002, India
-
Nil Ratan Sircar Medical College
Kolkata, West Bengal, 700014, India
-
Pt B.D. Sharma, PGIMS
Rohtak, Haryana, 124001, India
-
Sahyadri super speciality hospital
Pune, Maharashtra, 411004, India
-
Silver Touch Multispecialty Hospital
Ahmedabad, Gujarat, 380015, India
-
Sum Ultimate Medicare
Bhubaneswar, Odisha, 751003, India
-
Swami Rama Himalayan University
Dehradun, Uttarakhand, 248140, India
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can AI make acupuncture more precise for allergy relief?
- Antiviral drug ganciclovir explored as new weapon against stubborn allergies
- New allergy shot aims to tame mugwort season in just four weeks
- New nasal spray shows promise for ragweed allergy sufferers
- SNIFF TEST: nasal swab may reveal lung disease severity
- New allergy shots show promise for dust mite sufferers