About this trial
This is an open label, single-site, dose-escalation study in up to 18 participants with treatment of Refractory Autoimmune Diseases. This study aims to evaluate the safety and efficacy of the treatment with an Anti- CD19/BCMA CAR gene vector injection
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
( 1) At the time of signing the informed consent form, be at least 18 years of age, both male and female.
Disqualifiers
(1) Clinically significant central nervous system diseases or pathological changes not caused by the disease itself before screening, including but not limited to: stroke, stroke, aneurysm, epilepsy, convulsions, aphasia, severe head injury, dementia, Parkinson's disease, cerebellar disease, organic brain syndrome or mental disorder.
Trial design
Single group
Treatments tested in this trial
Anti-CD19/BCMA CAR gene vector injection will be injected intravenously on a one-time basis
DrugA single intravenous infusion of anti-CD19/BCMA CAR gene vector injection(dose-escalating infusion of 1.0-4.0 x10\^6 TU/kg)
Treatment groups
Trial outcomes
Primary outcomes
Adverse events
Total number, incidence and severity of adverse events (AEs) in patients of LCAR1901 infusion. The AEs will be assessed according to the 2019 Consensus on Cytokine Release Syndrome and Immune-cell-associated Neurotoxicity published by the American Society of Transplantation and Cell Therapy (ASTCT), the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) version 5.0 and EBMT 2019 consensus
Secondary outcomes
The persistence of CAR gene vector injection
Assessing the trafficking of CAR gene vector injection in the peripheral blood at the time of each infusion as well as at each time of follow-up by flow cytometry. Peripheral blood will be collected prior to the initial infusion and will be set as baseline
Disease activity was assessed by DAS28
DAS28 was used to assess disease activity, and the number of swelling and tenderness in 28 joints was examined, Min/Max Value: Not specified,with higher scores representing worse disease status
Modified Rodnan Skin Score assesses disease activity in patients
Disease activity was assessed by Modified Rodnan Skin Score Modified Rodnan Skin Score: The modified Rodnan Skin Score was used to assess the degree of skin involvement in patients with systemic sclerosis, and the thickness and hardness of the skin on the patient's head and neck, upper limbs, fingers, chest, abdomen, lower limbs, feet, etc., each part was divided into 0 (normal), 1 (mild thickening), 2 (moderate thickening), and 3 (severe thickening) according to the skin involvement, and the scores of each part were added together to obtain a total score, The higher the score, the worse the skin lesion status in patients with systemic sclerosis.
SLEDAI assesses disease activity in patients
SLEDAI was used to evaluate the disease activity of patients with systemic lupus erythematosus, and the clinical symptoms and laboratory examination indicators of the patients were quantitatively scored.The SLEDAI score ranges from 0\~105 points, and the higher the score, and the higher the score, the worse the disease status of systemic lupus erythematosus
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