A Study to Identify and Characterize Adults and Pediatric Participants With Cat and/or Birch Allergy (NCT07710846) | Clinical Trial Compass
Not Yet RecruitingNot Applicable
A Study to Identify and Characterize Adults and Pediatric Participants With Cat and/or Birch Allergy
1,500 participantsStarted 2026-08-17
Plain-language summary
The purpose of this Patient Identification and Characterization (PIC) study is to collect information and perform limited allergy-related procedures to determine if participants can qualify for cat and/or birch tree pollen allergy clinical research studies in the future. The study is also looking at how cat and/or birch tree pollen allergies have affected overall health.
Who can participate
Age range
5 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion criteria
. Adults or pediatric participants, ≥5 years of age inclusive (pediatric participants ≥5 years and \<18 years and weighing ≥10 kg, to be enrolled where permitted per local regulations/approvals), at the time of signing the informed consent
. Participant-reported (and/or caregiver-reported for pediatric participants) and/or documented allergic history as described in the protocol
. Positive Skin Prick Test (SPT) at screening: to cat allergen (Part A) and/or to birch allergen (Part B)
. Must not currently live with a cat(s) or have lived with a cat(s) in the home for the past 1 year (Part A)
. Willing and able to comply with clinic visit(s) and study-related assessments
Exclusion criteria
. Presence of any ophthalmic disease/abnormality/condition that may interfere with study assessments, affect the study outcomes or participant safety as described in the protocol
. History of life-threatening asthma, defined as an asthma episode that required intubation and/or was associated with hypercapnia, respiratory arrest, and/or hypoxic seizures
. Active, chronic infections requiring long-term use of systemic antibiotics, antivirals, or anti-fungal treatments
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Proportion of participants with moderate-to-severe allergic conjunctivitis due to cat allergy who report "very bothered" or "extremely bothered" by allergic symptoms upon exposure to cat and/or cat hair/dander
Timeframe: At visit 1, up to 30 days
2
Proportion of participants with moderate-to-severe allergic conjunctivitis due to birch tree pollen allergy who report "very bothered" or "extremely bothered" by allergic symptoms