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Recruiting Phase 1, Phase 2 NCT05504694

NCT05504694 Ofatumumab in AQP4-IgG Seropositive NMOSD

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Clinical Trial Summary
NCT ID NCT05504694
Status Recruiting
Phase Phase 1, Phase 2
Sponsor Tang-Du Hospital
Condition Neuromyelitis Optica Spectrum Disorder
Study Type INTERVENTIONAL
Enrollment 5 participants
Start Date 2022-06-28
Primary Completion 2026-04-30

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
Ofatumumab

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.

Phase 1 is the earliest stage of human testing — safety and dosage are the primary focus. Visits are frequent and medical supervision is intensive. You will be among the first people to receive this treatment.

This trial targets 5 participants in total. It began in 2022-06-28 with a primary completion date of 2026-04-30.

⚠ 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 is an open-label, single-arm, multicentre prospective pilot study to assess the efficacy and safety of ofatumumab in patients with AQP4-IgG seropositive neuromyelitis optica spectrum disorder (NMOSD) in China.

Eligibility Criteria

Inclusion Criteria: * Diagnosis of NMOSD according to the 2015 International Panel Diagnostic Criteria for NMOSD with AQP4-IgG. * Clinical evidence of at least 2 relapses (including first attack) in past 24 months with at least 1 relapse occurring in the preceding 12 months. * Adults aged ≥18 years old. * Expanded disability status scale (EDSS) score between 0 and 7.5 (inclusive). * Provision of written informed consent to participate in this study. * Only oral corticosteroids were permitted at screening (≤10mg equivalent per day), which should be terminated within one month. * Effective contraception was used for female patients with fertility during the treatment or at least 3 months after stopping medication. Exclusion Criteria: * Progressive neurological deterioration unrelated to relapses of NMOSD, or presence of neurological findings suspected with PML. * Pregnant or breastfeeding patients and those with family planning during the study period. * Patients participating in any other clinical therapeutic study at the screening or within 30 days of screening. * Patients with splenectomy or history of no spleen, and those with planned surgery (excluding minor surgery) during the study period. * Presence of uncontrolled severe concurrent diseases; long-term glucocorticoids or immunosuppressants use due to other autoimmune diseases, or presence of other chronic diseases that cannot receiving immunosuppression. * Active infection at within 4 weeks before baseline. * Positive for HBV or HCV. * Evidence of latent or active tuberculosis (TB). * Have received any live or live-attenuated vaccine within 6 weeks before baseline. * History of malignancy in past 5 years, including solid tumor, malignant hematopathy and carcinoma in situ. * History of severe allergic reactions to biological agents. * Inability to provide written informed consent.

Contact & Investigator

Central Contact

Jun Guo, M.D.

✉ guojun_81@163.com

📞 86-29-8477 8844

Principal Investigator

Jun Guo, M.D.

PRINCIPAL INVESTIGATOR

Tang-Du Hospital

Frequently Asked Questions

Who can join the NCT05504694 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, studying Neuromyelitis Optica Spectrum Disorder. 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 NCT05504694 trial and what does that mean for participants?

Phase 1 trials are the first stage of human testing. The primary goal is to assess safety and determine appropriate dosage levels. Participants are closely monitored. These trials typically involve a small number of volunteers.

Is NCT05504694 currently recruiting?

Yes, NCT05504694 is actively recruiting participants. Contact the research team at guojun_81@163.com for enrollment information.

Where is the NCT05504694 trial being conducted?

This trial is being conducted at Xi'an, China.

Who is sponsoring the NCT05504694 clinical trial?

NCT05504694 is sponsored by Tang-Du Hospital. The principal investigator is Jun Guo, M.D. at Tang-Du Hospital. The trial plans to enroll 5 participants.

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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: April 2026  ·  Data Methodology