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Efficacy and Safety of HN2301 in Autoimmune Diseases(AIDs)

Dose-escalation Study to Assess the Safety, Tolerability, and Preliminary Efficacy of HN2301 in Patients With Autoimmune Diseases Including Systemic Lupus Erythematosus(SLE), Systemic Sclerosis (SSc) and Rheumatoid Arthritis (RA)

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06801119
Acronym
SLE,SSc,RA
Enrollment
30
Registered
2025-01-30
Start date
2025-03-16
Completion date
2028-06-30
Last updated
2026-08-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Rheumatoid Arthritis, Scleroderma, Systemic Lupus Erythematosus

Keywords

SLE, SSc,RA

Brief summary

This is an open lable and single arm study, is designed to evaluate the safety and preliminary efficacy of HN2301 in Autoimmune Disease(AID)

Detailed description

This study is a prospective exploratory clinical trial in subjects with Autoimmune Disease(SLE, SSc, RA, etc.). The objective is to evaluate the safety and efficacy of HN2301 injection in Autoimmune Disease (SLE, SSc, RA, etc.).

Interventions

Dosing will begin at a lower dose level and may be escalated to dose levels considered safe and potentially effective according to the study protocol.

Sponsors

Shenzhen MagicRNA Biotechnology Co., Ltd
Lead SponsorINDUSTRY
The First Affiliated Hospital of University of Science and Technology of China
CollaboratorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 69 Years
Healthy volunteers
No

Inclusion criteria

* Patients aged between 18 and 69 (inclusive), of any gender; * Appropriate bone marrow, coagulation, cardiopulmonary, liver, and kidney functions. Bone marrow function: ANC ≥1.5×10\^9/L, ALC ≥0.8×10\^9/L, Hb ≥80g/L. No use of transfusions and growth factors allowed within 7 days prior to screening to meet these requirements. Coagulation function: INR or APTT ≤1.5×ULN. Cardiac function: Echocardiography (ECHO) assessment of left ventricular ejection fraction (LVEF) ≥40%. Lung function: ≤CTCAE grade 1 dyspnea and SpO2 ≥92% (measured by pulse oximetry) while breathing indoor air. Liver function: ALT and AST ≤2.5×ULN, total bilirubin \<2.0mg/dL (Gilbert syndrome subjects total bilirubin \<3.0mg/dL). Kidney function: defined as creatinine clearance rate (Cockcroft-Gault) ≥50mL/min without need for fluid assistance; * Non-pregnant/non-lactating participants, willing to adopt contraceptive measures within 12 months after drug infusion; * Diagnosed with SLE according to the 2019 EULAR/ACR SLE diagnostic criteria; A history of SLE for at least 6 months, having used a stable standard treatment regimen for at least 8 weeks; Oral corticosteroids are prednisone (or equivalent drug) ≥7.5mg/day and ≤30mg/day. At least two immunosuppressants have been used in a standardized manner (including hydroxychloroquine); Screening period tests meet: positive blood antinuclear antibody (ANA), and/or positive anti-ds-DNA antibodies, and/or hypocomplementemia; * SSc-meets the classification criteria of ACR and EULAR, 10-35 in mRSS score; * RA-meets the classification criteria of ACR and EULAR, DAS28-ESR\>3.2, ACPA possitive.

Exclusion criteria

* Individuals with positive Hepatitis B surface antigen (HBsAg) and/or Hepatitis B core antibody (HBcAb), and Hepatitis B virus (HBV) DNA positivity or titers above the detection threshold; those with positive Hepatitis C virus (HCV) antibodies and HCV RNA positivity or titers above the detection threshold; individuals with Human Immunodeficiency Virus (HIV) antibodies positivity, CMV DNA positivity or above the detection limit; those with positive syphilis antigen or antibodies; * Presence of other uncontrolled active infections; * History of major organ transplantation (such as heart, lung, liver, kidney) or bone marrow/hematopoietic stem cell transplantation; * Pregnant or breastfeeding women; * Receiving any mRNA-LNP product or other LNP medications within the past two years; * History of any of the following cardiovascular diseases within the last 6 months before screening: Class III or IV heart failure defined by the New York Heart Association (NYHA), myocardial infarction, unstable angina, uncontrolled or symptomatic atrial arrhythmias, any ventricular arrhythmias, or other clinically significant cardiac diseases; * History of live vaccine administration within the last 30 days; * Individuals with asthma, severe allergies; * Other conditions deemed inappropriate for participation in this clinical study by the investigator.

Design outcomes

Primary

MeasureTime frameDescription
Incidence of treatment-emergent adverse events (TEAEs)Up to 3 monthsIncidence, nature, and severity of treatment-emergent adverse events, assessed according to the study protocol and applicable toxicity grading criteria.

Secondary

MeasureTime frameDescription
Quantify the clinical activity of HN2301 in patients using Physician Global Assessment (PGA) .Day-28 to12 monthsAssessment of Physician Global Assessment (PGA) from baseline administration at various timepoints up to month 12 follow up visit. A total score can fall between 0.0 and 3.0, with a higher score representing a more significant degree of disease activity.
Proportion of participants achieving lupus low disease activity status (LLDAS)Day-28 to12 monthsProportion of participants who achieve LLDAS at scheduled visits through Month 12.
Proportion of patients achieving DORIS remission after HN2301 administrationDay-28 to12 monthsAssessment of DORIS response rate at various timepoints up to the month 12 follow-up visit.
Assess the clinical activity of HN2301 in patients with SLE using Systemic Lupus Erythematosus Responder Index-4 (SRI-4)Day-28 to12 monthsAssessment of whether participants meet the Systemic Lupus Erythematosus Responder Index-4 (SRI-4) criteria (yes/no) at various timepoints up to the month 12 follow-up visit.
Proportion of patients achieving complete renal response (CRR) after HN2301 administrationDay-28 to12 monthsProportion of patients achieving complete renal response (CRR) after HN2301 administration
Changes from baseline in Patient Global Assessment(PtGA) scoresUp to 12 monthsAssessment of change from baseline in Patient Global Assessment (PtGA) of overall disease activity at scheduled visits through Month 12,typically on a 0 to 10 numeric scale, where 0 indicates no disease activity and 10 represents the worst possible activity.
Change from baseline in modified Rodnan Skin Score (mRSS)Up to 12 monthsAssessment of change from baseline in modified Rodnan Skin Score (mRSS). Total scores range from 0 to 51, with higher scores indicating greater skin thickening.
Changes from baseline in Health Assessment Questionnaire Disability Index (HAQ-DI) scoreUp to 12 monthsAssessment of change from baseline in Health Assessment Questionnaire Disability Index (HAQ-DI), a patient-reported measure of functional ability across 8 domains, the patient responds on a scale of 0 (no disability) to 3 (completely disabled).
Change from baseline in revised Composite Response Index in Systemic Sclerosis (r-CRISS) scoreUp to 12 monthsAssessment of change from baseline in the revised Composite Response Index in Systemic Sclerosis (r-CRISS), a weighted composite score based on 5 core measures of disease status, improved by a certain percentage in ≥3 of 5 core set measures.
Changes from baseline in Disease Activity Score (DAS28) scoreUp to 12 monthsProportion of patients disease activity changes, a scale from 0 to 10 indicating the current activity of the rheumatoid arthritis. A DAS28 above 5.1 means high disease activity whereas a DAS28 below 3.2 indicates low disease activity.
Changes from baseline in Visual Analogue Scale (VAS) scoreUp to 12 monthsA total score can fall between 0 and 10
vivo CAR T cell productionDay-28 to14 daysCAR T production in the peripheral blood of AID patients, by flow cytometry (FACS), and quantitative polymerase chain reaction (qPCR) in peripheral blood
Change from baseline of SLEDAI-2K score after HN2301 administration.Day-28 to12 monthsAssessment of Systemic Lupus Erythematosus Disease Activity Index 2000 from baseline administration at various timepoints up to month 12 follow-up visit. A total score can fall between 0 and 105, with a higher score representing a more significant degree of disease activity.
B cell ratio and counts in peripheral bloodDay-28 to12 monthsAssessment of B cell ratio and counts (B cell counts per μl peripheral blood) and B cell subsets(naive B cell, memory B cell) by flow cytometry (FACS) in peripheral blood

Countries

China

Contacts

CONTACTZhu Chen, MD
doczchen@ustc.edu.cn+86055162284920
CONTACTZe Xiu Xiao, MD
xiaozexiu@magicrna.com+86075527109036
PRINCIPAL_INVESTIGATORZhu Chen, MD

The First Affiliated Hospital of University of Science and Technology of China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 13, 2026