← Back to Clinical Trials
Recruiting Phase 2 NCT07166211

NCT07166211 Study of CM512 Injection in Subjects With Chronic Spontaneous Urticaria(CSU)

◆ AI Clinical Summary
Plain-language summary for patients
Clinical Trial Summary
NCT ID NCT07166211
Status Recruiting
Phase Phase 2
Sponsor Keymed Biosciences Co.Ltd
Condition Chronic Spontaneous Urticaria (CSU)
Study Type INTERVENTIONAL
Enrollment 48 participants
Start Date 2025-11-27
Primary Completion 2026-11-02

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age 75 Years
Study Type INTERVENTIONAL
Interventions
CM512 injectionplacebo

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

In Phase 2, researchers evaluate early signs of effectiveness. You may be randomized to receive the active treatment or a comparator. Monitoring continues closely.

This trial targets 48 participants in total. It began in 2025-11-27 with a primary completion date of 2026-11-02.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

This study is a multicenter, randomized, double-blind, placebo-controlled phase II clinical study to evaluate the efficacy, safety, pharmacokinetics, pharmacodynamics, and immunogenicity of CM512 in subjects with CSU.

Eligibility Criteria

Inclusion Criteria: * Voluntarily sign the Informed Consent Form. * Age ≥ 18 years old and ≤ 75 years old. * Patients with a diagnosis of CSU before screening visit, and the duration was ≥6 months. * Pruritus and wheals existed for more than 6 weeks before screening, despite regular H1-Antihistamines(AH) treatment during this period. * A stable dose of the second-generation H1-Antihistamines(AH) has been continuously used for at least 7 days before randomization, and the individual is willing to continue to use it stably as stipulated in the protocol during the study period. * Within 7 days before randomization, UAS7≥16 and ISS7 ≥8. Exclusion Criteria: * Not enough washing-out period for previous therapy. * Planned major surgical procedure during the patient's participation in this study. * Has ever experienced a systemic allergic reaction or immediate allergic reaction to any biological product (including any excipients). * CM512 has been used before. * Women who are pregnant or breastfeeding. During the study period, subjects who had plans to have children, or did not agree to contraception. * With any medical or non-medical conditions that are not suitable for participation in this study by investigators.

Contact & Investigator

Central Contact

Qian Jia

✉ clinicaltrial@keymedbio.com

📞 86+028-88610620

Principal Investigator

Litao Zhang

PRINCIPAL INVESTIGATOR

Tianjin Academy of Traditional Chinese Medicine Affiliate Hospital

Frequently Asked Questions

Who can join the NCT07166211 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, up to 75 Years, studying Chronic Spontaneous Urticaria (CSU). Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT07166211 trial and what does that mean for participants?

Phase 2 trials evaluate whether the treatment shows signs of effectiveness while continuing to monitor safety. More participants are enrolled than in Phase 1 to help refine the treatment protocol.

Is NCT07166211 currently recruiting?

Yes, NCT07166211 is actively recruiting participants. Contact the research team at clinicaltrial@keymedbio.com for enrollment information.

Where is the NCT07166211 trial being conducted?

This trial is being conducted at Tianjin, China.

Who is sponsoring the NCT07166211 clinical trial?

NCT07166211 is sponsored by Keymed Biosciences Co.Ltd. The principal investigator is Litao Zhang at Tianjin Academy of Traditional Chinese Medicine Affiliate Hospital. The trial plans to enroll 48 participants.

Related Trials

ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: September 2026  ·  Data Methodology