Overview
Pemphigus vulgaris (PV) is a B-cell mediated autoimmune disorder in which painful blisters are formed on the skin or mucosal membrane, including the mouth, nose, throat, eyelids, anus, and genitals. This phase 1/2 study is being conducted to find the maximum tolerated dose and optimal fractionated infusion schedule of an investigational cell therapy, DSG3-CAART, that can be given to patients with mucosal PV who are inadequately managed by standard therapies. A sub-study will be conducted to investigate if CABA-201 can be safely administered while achieving clinical responses without the need for preconditioning in PV patients. DSG3-CAART or CABA-201 may potentially lead to complete and durable remission of disease.
Principal investigator
Eligibility criteria
* Confirmed diagnosis of mPV by prior or screening biopsy and prior positive anti- DSG3 antibody ELISA
* mPV inadequately managed by at least one standard immunosuppressive therapies
* Active mPV at screening
* Anti-DSG3 antibody ELISA positive at screening Inclusion Criteria for CABA-201 sub-study
* Confirmed diagnosis of PV by prior or screening biopsy and prior positive DSG3 ELISA, IIF, and/or DIF
* PV inadequately managed by at least one standard immunosuppressive therapy
* Active PV at screening
* DSG3 ELISA positive at screening
Exclusion Criteria:
* Active cutaneous lesions associated with PV that indicates mucocutaneous rather than mucosal-dominant disease
* Rituximab in last 12 months unless PV symptoms have recently worsened or anti-DSG3 antibody titers have recently increased
* Prednisone \> 0.25mg/kg/day
* Other autoimmune disorder requiring immunosuppressive therapies
* Investigational treatment in last 3 months Exclusion Criteria for CABA-201 sub-study
* Have paraneoplastic pemphigus or active malignancy (not including non-melanoma skin cancer)
* Have received rituximab or other anti-CD20 or anti-CD19 therapies in last 12 months unless anti-DSG3 antibody titers have recently increased or PV symptoms have recently worsened
* Prednisone \> 0.25mg/kg/day
* Other autoimmune disorder requiring immunosuppressive therapies
* Investigational treatment in last 3 months
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