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Updated May 2026 · ClinicalTrials.gov

RECRUITINGPhase 1 / Phase 2INTERVENTIONAL

RY_SW01 Cell Injection Therapy in Systemic Sclerosis

A Multicenter Phase I/II Clinical Trial to Evaluate the Safety, Tolerability, and Efficacy of RY_SW01 Cell Injection Therapy in Systemic Sclerosis

RY_SW01 Cell Injection Therapy in Systemic Sclerosis (NCT06058091) is a Phase 1 / Phase 2 interventional studying Systemic Sclerosis, sponsored by Jiangsu Renocell Biotech Company. RECRUITING as of the most recent ClinicalTrials.gov update. Talk to your doctor before contacting the trial site.

Important: This information is not medical advice. Talk to your doctor about whether a clinical trial is right for you.

About This Trial

Systemic sclerosis (SSc) tends to progress to involve multiple vital organs within 5 years of diagnosis, significantly impacting patient prognosis and survival. Clinical indications suggest that early intervention is more favorable for long-term outcomes in patients. Although guidelines recommend various drugs for symptomatic treatment, there is currently no standard therapy or effective medication to slow the progression of the disease. Therefore, for patients with diffuse SSc, as defined by a skin score of 10≤mRSS≤30 points, who have been treated with at least two therapies, including steroids, immunosuppressive agents, biologics, etc., within 5 years of diagnosis, the applicant intends to develop a drug that can both modulate the immune system and counteract fibrosis. The goal is to provide long-term benefits to patients through early intervention.

What Stage of Research Is This?

Phase 1 trials test a new treatment for the first time in humans, focusing on safety, dosing, and how the body processes the drug. For Systemic Sclerosis, a Phase 1 study typically enrolls a small number of participants — often healthy volunteers or patients who have exhausted standard treatment options. Phase 1 results determine whether a treatment moves into larger Phase 2 efficacy studies.

This trial is currently recruiting participants. The sponsor has registered the study with ClinicalTrials.gov as actively enrolling, which means new applicants who meet the eligibility criteria can be considered for screening. Trial status can change between updates — confirm current recruiting status with the study contact before traveling for a screening visit.

Target enrollment of 81 participants puts this in the typical range for a Phase 2-style efficacy study or a moderate Phase 3 trial in a focused Systemic Sclerosis subpopulation. At this scale, the study has enough statistical power to detect a clear treatment effect but is not the largest cohort in the field.

Who May Be Eligible (Plain English)

Who May Qualify: 1. Voluntarily sign the willing to sign a consent form form. 2. Aged between 18 and 65 years (inclusive), regardless of gender. 3. Diagnosed with systemic sclerosis (SSc) based on the 2013 American College of Rheumatology (ACR)/European League Against Rheumatism (EULAR) criteria for SSc. 4. Screened as diffuse cutaneous SSc patients with a disease duration of ≤5 years (disease onset defined as the time of the initial diagnosis of SSc). 5. Previously treated with at least two of the following therapies: corticosteroids, immunosuppressants, biologic agents, and others, and have a skin score of 10≤mRSS≤30 points. Who Should NOT Join This Trial: 1. At screening, subjects with a forced vital capacity (FVC) predicted percentage \<50%. 2. Previously diagnosed with pulmonary arterial hypertension or, at rest, had a mean pulmonary arterial pressure \>25mmHg measured by right heart catheterization or had a systolic pulmonary artery pressure \>45mmHg measured by echocardiography at screening. 3. Presence of clinical symptoms requiring hospitalization for one of the following conditions at screening, whether newly occurring or worsening of pre-existing symptoms within 6 months: myocardial infarction, stroke, renal crisis, severe uncontrolled hypertension (≥160/100mmHg); or within 3 months: unstable ischemic heart disease, uncontrolled arrhythmia, heart failure (New York Heart Association III/IV stage), left ventricular ejection fraction \<50% as indicated by echocardiography, renal insufficiency, or hypertensive crisis as judged by the investigator. 4. Concurrent autoimmune connective tissue diseases other than systemic sclerosis, with the exception of patients with secondary Sjögren's syndrome. 5. Presence of any of the following laboratory abnormalities at screening: 1. Hematology abnormalities: Hemoglobin \<100g/L; White blood cell count \<3.0×109/L; Neutrophil absolute count \<1.5×109/L; Platelet count \<100×109/L. ...See full criteria on ClinicalTrials.gov Always talk to your doctor about whether this trial is right for you.

These are translations of the protocol\'s inclusion and exclusion criteria, simplified for patients and caregivers. The original clinical text appears below. Eligibility is ultimately confirmed by the trial site\'s screening process — this summary is a starting point for a conversation with your doctor, not a final determination.

Original Eligibility Criteria

View original clinical language
Inclusion Criteria: 1. Voluntarily sign the informed consent form. 2. Aged between 18 and 65 years (inclusive), regardless of gender. 3. Diagnosed with systemic sclerosis (SSc) based on the 2013 American College of Rheumatology (ACR)/European League Against Rheumatism (EULAR) criteria for SSc. 4. Screened as diffuse cutaneous SSc patients with a disease duration of ≤5 years (disease onset defined as the time of the initial diagnosis of SSc). 5. Previously treated with at least two of the following therapies: corticosteroids, immunosuppressants, biologic agents, and others, and have a skin score of 10≤mRSS≤30 points. Exclusion Criteria: 1. At screening, subjects with a forced vital capacity (FVC) predicted percentage \<50%. 2. Previously diagnosed with pulmonary arterial hypertension or, at rest, had a mean pulmonary arterial pressure \>25mmHg measured by right heart catheterization or had a systolic pulmonary artery pressure \>45mmHg measured by echocardiography at screening. 3. Presence of clinical symptoms requiring hospitalization for one of the following conditions at screening, whether newly occurring or worsening of pre-existing symptoms within 6 months: myocardial infarction, stroke, renal crisis, severe uncontrolled hypertension (≥160/100mmHg); or within 3 months: unstable ischemic heart disease, uncontrolled arrhythmia, heart failure (New York Heart Association III/IV stage), left ventricular ejection fraction \<50% as indicated by echocardiography, renal insufficiency, or hypertensive crisis as judged by the investigator. 4. Concurrent autoimmune connective tissue diseases other than systemic sclerosis, with the exception of patients with secondary Sjögren's syndrome. 5. Presence of any of the following laboratory abnormalities at screening: 1. Hematology abnormalities: Hemoglobin \<100g/L; White blood cell count \<3.0×109/L; Neutrophil absolute count \<1.5×109/L; Platelet count \<100×109/L. 2. Hepatic function abnormalities: ALT or AST \>3 times the upper limit of normal (ULN); Total bilirubin \>3 times ULN. 3. Renal function abnormalities: Estimated glomerular filtration rate (eGFR) \<60mL/min/1.73m2 or any clinically significant laboratory abnormalities that may affect the interpretation of study data or the subject's participation in the study as determined by the investigator. 6. Positive testing for human immunodeficiency virus (HIV) antibody, active syphilis, active hepatitis C (positive HCV antibodies and positive HCV-RNA), HBsAg positive and HBV-DNA positive at screening; history of severe active bacterial, viral, fungal, parasitic, or other infections during the screening period. 7. Receipt of live vaccines/attenuated vaccines within 2 months prior to enrollment. 8. Occurrence of any of the following within 3 months prior to enrollment: a. Major trauma or major surgery (including joint surgery) or anticipated major surgery during the study, which the investigator believes would pose an unacceptable risk to the subject. b. Plasma exchange or extracorporeal photopheresis treatment. c. Participation in any other clinical trials. 9. Prior treatment with stem cell-related drugs. 10. History of any malignancy within the past 5 years prior to enrollment, except for adequately treated or excised basal cell carcinoma, squamous cell carcinoma of the skin, or in situ cervical carcinoma. 11. Intolerance or contraindication to the study treatment, including any of the following: a. Allergy to albumin contained in the investigational product excipient. b. Lack of suitable peripheral venous access. 12. History of smoking, alcohol abuse, or drug abuse within the past 12 months or during the screening period: 1. Smoking defined as an average daily consumption of ≥5 cigarettes within the 3 months prior to screening. 2. Alcohol abuse defined as consuming more than 14 units of alcohol per week (1 unit of alcohol = 350ml of beer, or 45ml of spirits, or 150ml of wine) within the 3 months prior to screening. 3. Drug abuse defined as having a history of drug abuse. 13. Plans for conception during the trial period until at least 1 year after cell infusion, unwillingness to use effective contraceptive measures with their partners, or plans for sperm or egg donation. 14. Deemed unsuitable for participation in the study by the investigator.

Treatments Being Tested

DRUG

RY_SW01 cell injection

Administer basic treatment with an injection of RY\_SW01 cell solution

DRUG

Basic treatment

Basic treatment for SSc

Locations (1)

Trial sites listed on ClinicalTrials.gov for this study. Site activation status can vary — confirm with the specific site before traveling for a screening visit.

Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, the Affiliated Drum Tower Hospital of Nanjing University Medical School
Nanjing, Jiangsu, China

How to Talk to Your Doctor About This Trial

Bring the printable summary of this trial — including the NCT ID (NCT06058091), the sponsor (Jiangsu Renocell Biotech Company), and the key eligibility criteria — to your next appointment. Your doctor can review the inclusion and exclusion criteria against your medical history, lab values, and current treatments to assess whether you are likely to qualify. They can also help you weigh whether trial participation makes sense alongside your existing care plan.

Useful questions to walk through together: What does the trial protocol require beyond standard care? How long is the active treatment phase, and how long is follow-up? Are there study visits at sites I can reach? Who pays for the trial-specific procedures, and who pays for standard-of-care portions? See our 25 questions to ask about clinical trials guide for a more complete checklist.

Authoritative Sources

The official record for this trial lives on ClinicalTrials.gov — the federal registry maintained by the National Library of Medicine at NIH. For background on how this trial fits into the FDA approval pathway, see the FDA drug approval process. For oncology-specific guidance for patients considering trials, the National Cancer Institute publishes patient-oriented overviews. International trial registries are aggregated by the WHO ICTRP.

Frequently Asked Questions

What is the NCT06058091 clinical trial studying?

Systemic sclerosis (SSc) tends to progress to involve multiple vital organs within 5 years of diagnosis, significantly impacting patient prognosis and survival. Clinical indications suggest that early intervention is more favorable for long-term outcomes in patients. Although guidelines recommend various drugs for symptomatic treatment, there is currently no standard therapy or effective medication to slow the progression of the disease. Therefore, for patients with diffuse SSc, as defined by a skin score of 10≤mRSS≤30 points, who have been treated with at least two therapies, including steroi… The full protocol is registered on ClinicalTrials.gov and includes the primary outcome measures, eligibility criteria, and study endpoints.

Who can participate in NCT06058091?

Eligibility for this trial depends on the specific inclusion and exclusion criteria set by the sponsor. The plain-English summary above translates the most important criteria into accessible language; the official clinical text is preserved in the collapsible section underneath. Whether you fit any specific trial is a medical decision your doctor needs to confirm — bring the trial information to your treating physician for a full review against your medical history.

How do I contact the trial site for NCT06058091?

Contact information registered with ClinicalTrials.gov is shown in the sidebar of this page. Before reaching out, confirm with your treating physician that this trial is appropriate for your situation. The trial site will then walk you through the screening process to determine final eligibility.

Is participating in a clinical trial safe?

Clinical trials in the United States are regulated by the FDA and overseen by Institutional Review Boards (IRBs) that review the protocol for safety. Risk varies by trial — Phase 1 studies test new treatments in humans for the first time, while Phase 3 trials use treatments that have already passed earlier safety screening. The informed consent document for any specific trial details the known risks and what to expect. Discuss those risks with your physician before deciding whether to participate.

Where can I verify the data on this page?

Every detail on this page comes directly from the ClinicalTrials.gov API. Click "View on ClinicalTrials.gov" in the sidebar to see the official, unmodified record. The federal record is always authoritative; this page is a structured presentation with a plain-English eligibility translation. For background on how clinical trials are regulated, see the FDA drug approval process documentation.

How This Page Is Built

Every field on this page is pulled directly from the ClinicalTrials.gov API v2 — no estimates, no proxies. The plain-English eligibility translation is generated from the original protocol text and reviewed for fidelity to the underlying clinical criteria. The original clinical text remains visible in the collapsible section above so users and clinicians can verify the translation. Read the full methodology for the data pipeline and known limitations.

Source: ClinicalTrials.gov API v2 record for NCT06058091. Maintained by the National Library of Medicine at NIH. Public domain. Cite as: "TrialFinderData. NCT06058091. Data: ClinicalTrials.gov."

Medical disclaimer: This page is informational, not medical advice. Talk to your doctor about whether a clinical trial is right for you.

Last updated 2026-05-08 · Data from ClinicalTrials.gov.