Boise, IDNCT07766499Now EnrollingIRB Ready

Chronic Spontaneous Urticaria (CSU) Clinical Trial in Boise, ID

Access cutting-edge chronic spontaneous urticaria (csu) treatment through this phase 2 clinical trial at a research site in Boise. Study-provided care at no cost to qualified participants.

Sponsored by Calixis Inc.

Quick Self-Assessment

See if you qualify for this Boise location

Preparing your pre-screening questions…

Expert Care in Boise

Access chronic spontaneous urticaria (csu) specialists at no cost

IRB Approved

This study follows strict safety protocols and ethical guidelines

No-Cost Care

All study-related chronic spontaneous urticaria (csu) treatment provided free

Apply for This Boise Location

Check if you qualify for this chronic spontaneous urticaria (csu) clinical trial in Boise, ID

Secure & Confidential

Your information is protected and will only be shared with the research team.

Why Participate?

  • No-Cost Study Care

  • Local to Boise

    Convenient for ID residents

  • Cutting-Edge Treatment

    Access to innovative therapies

  • Expert Medical Care

    Close monitoring by specialists

  • Possible Compensation*

    For time and travel

*Compensation varies by study. Confirm details with coordinator.

Simple Process

  1. 1Submit this form
  2. 2Phone screening
  3. 3Visit Boise site if eligible
  4. 4Begin participation

About This Chronic Spontaneous Urticaria (CSU) Study in Boise

THB335-201 is a Phase 2, randomized, double-blind, placebo-controlled, parallel-group, multicenter study in adults with CSU who remain symptomatic despite standard-of-care treatment. The study includes a Screening Period of up to 4 weeks, a 12-week Treatment Period, and a 4-week Follow-Up Period, for a total participant duration of approximately 20 weeks.

Sponsor: Calixis Inc.

Who Can Participate

Inclusion Criteria

Males and females 18 through 85 years.
Diagnosis of chronic spontaneous urticaria (CSU) ≥ 6 months.
Active CSU despite treatment with a second-generation H1 antihistamine.
Weekly Urticaria Activity Score (UAS7) ≥ 16 and ISS7 ≥ 8 during the 7 days before randomization, with sufficient electronic diary entries to calculate the baseline scores.
Body mass index of 18 to 38 kg/m² and minimum body weight of 50 kg for male participants or 45 kg for female participants.
Willing and able to complete the daily electronic diary, attend scheduled study visits, and comply with study procedures.
Participants capable of becoming pregnant or producing sperm must agree to follow the protocol-defined contraception requirements. Key

Exclusion Criteria

Chronic urticaria with an identified cause other than chronic spontaneous urticaria.
Another active skin condition associated with chronic itching that could interfere with the study assessments.
Recent treatment with prohibited immunosuppressive therapy, biologic therapy, a Bruton's tyrosine kinase inhibitor, an investigational drug, or another therapy that inhibits the c-KIT receptor.
Clinically significant hepatic, hematologic, or renal disease or laboratory abnormalities.
Active, chronic, or recurrent infection, including human immunodeficiency virus or viral hepatitis infection.
Clinically significant cardiovascular disease or electrocardiogram abnormality, including clinically significant arrhythmia, prolonged QT interval, familial long QT syndrome, or use of medication known to prolong the QT interval that cannot be discontinued.
History of idiopathic anaphylaxis, a severe allergic reaction that may increase the risk of study participation, or hypersensitivity to the study drug or related compounds.
History of malignancy within the previous 5 years, except successfully treated nonmetastatic basal cell or squamous cell skin cancer or carcinoma in situ.
Current or planned use of prohibited medications, including specified inhibitors, inducers, or sensitive substrates of drug-metabolizing enzymes or transporters, or proton pump inhibitors.
Positive urine drug screen at Screening.
Pregnancy or breastfeeding.
Any medical or psychiatric condition that, in the investigator's judgment, could place the participant at increased risk, interfere with the study assessments, or affect the participant's ability to complete the study. Additional eligibility criteria are outlined in the full protocol. The study investigator will review all requirements with potential participants to determine whether they are eligible to participate.

Not sure if you qualify? Submit your interest and a study coordinator will help determine your eligibility.

Frequently Asked Questions

Q:Is this study available in Boise?

Yes, this clinical trial (NCT07766499) has an active research site in Boise, ID that is currently enrolling participants.

Q:Is it safe to participate?

Clinical trials follow strict safety guidelines and ethical standards. This study has been reviewed and approved, and participants are closely monitored by medical professionals. You can withdraw at any time.

Q:Will I be compensated?

Many clinical trials offer compensation for your time and travel expenses. Specific compensation details will be discussed during the screening process. All study-related medical care is provided at no cost.

Q:Can I leave the trial if I change my mind?

Absolutely. Participation is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty.

Still have questions? Our study coordinators are here to help.

Chronic Spontaneous Urticaria (CSU) Treatment Options in Boise, ID

If you're searching for chronic spontaneous urticaria (csu) treatment options in Boise, ID, this clinical trial (NCT07766499) may be an excellent opportunity. Clinical trials provide access to cutting-edge treatments that aren't yet available to the general public, often at no cost to participants.

Our Boise research site is actively enrolling participants for this phase 2 clinical trial. You'll receive care from experienced chronic spontaneous urticaria (csu) specialists who are at the forefront of medical research. All study-related care, including examinations, treatments, and monitoring, is provided at no cost to qualified participants.

Looking for more options? Browse all chronic spontaneous urticaria (csu) clinical trials near you to find additional studies recruiting in your area.

More Chronic Urticaria Trials in Boise, ID

See all chronic urticaria clinical trials recruiting in Boise — not just this study.

Browse Chronic Urticaria Trials in Boise →

Browse More Trials by Condition

Chronic Urticaria TrialsInterstitial Cystitis TrialsChronic Spontaneous Urticaria TrialsUrticaria TrialsAll Conditions →

Ready to Join in Boise?

Take the first step toward participating in this groundbreaking clinical trial

Secure · Expert Care · Boise, ID