US Zamto-cel Autoimmune Diseases

Summary

AID is a phase I multi-cohort study to assess the safety and tolerability of zamtocabtagene autoleucel (zamto-cel) in patients with refractory autoimmune diseases (SLE-Non renal, SLE-LN, SSc/dcSSc) after receiving standard therapy.

Eligibility

General Key Inclusion/Exclusion Criteria Across All Cohorts

Inclusion Criteria:

•Confirmed diagnosis of autoimmune disease (SLE-Non-renal, SLE-LN, SSc/ dcSSc)

Exclusion Criteria:

* Prior gene therapy treatment
* Active malignancy within past 5 years
* Significant active fungal or bacterial infection
* History or presence of CNS lupus or other CNS disease
* eGFR \< 45 mL/min/1.73 m\^2
* Total bilirubin outside the normal range (unless congenital hyperbilirubinemia such as Gilbert syndrome has been confirmed).

Systemic Lupus Erythematosus-Non-renal Key Inclusion/Exclusion Criteria

Inclusion Criteria:

* Positive for at least 1 of the following autoantibodies at Screening: anti- double stranded DNA or anti-Smith
* Systemic Lupus Erythematosus Disease Activity Index-2000 score ≥ 8 AND at least 1 British Isles Lupus Assessment Group (BILAG)-2004 Class A (severe manifestation) organ scores
* Inadequate response to glucocorticoids and to at least 2 of the following treatments, used for at least 3 months each: cyclophosphamide, mycophenolic acid or its derivatives, belimumab, azathioprine, anifrolumab, methotrexate, rituximab, or obinutuzumab

Exclusion Criteria:

* Subjects with neuropsychiatric SLE.
* Drug-induced SLE.

Systemic Lupus Erythematosus - Lupus Nephritis Key Inclusion/Exclusion Criteria

Inclusion Criteria:

* Positive for at least 1 of the following autoantibodies at Screening: anti- double stranded DNA or anti-Smith
* Confirmed LN diagnosis by kidney biopsy during screening or within the previous 6 months, with severe active phase of the disease.
* Progressing despite maintenance on maximally tolerated doses of renin- angiotensin system (RAS) blocking agents, unless allergic to or intolerant of ACE inhibitors and ARBs
* Inadequate response to glucocorticoids and hydroxychloroquine and at least 1 of the following treatments, used for at least 3 months each: cyclophosphamide, mycophenolic acid derivatives, belimumab, azathioprine, methotrexate, rituximab, obinutuzumab, calcineurin inhibitor (cyclosporin, tacrolimus or voclosporin)

Exclusion Criteria:

•Evidence of Rapidly progressive glomerulonephritis (defined as a doubling of serum creatinine within 3 months prior to enrollment) or as determined by the study investigator.

Systemic Sclerosis/Diffuse Cutaneous Systemic Sclerosis Cohort Key Inclusion/ Exclusion Criteria

Inclusion Criteria:

* Active disease defined as:
* Modified Rodnan skin score (mRSS) ≥ 16 units, in the prior 6 months, with 1 or more of the following:

  * Increase in mRSS by ≥ 3 units or 10%
  * Involvement of 1 new body area with increase in mRSS by ≥ 2 units
  * Involvement of 2 new body areas with increase by ≥ 1 mRSS unit OR
* Progressive interstitial lung disease (ILD) defined as:

  \- Worsening of respiratory symptoms and an increased extent of fibrosis evaluated by high-resolution computed tomography
* Lack of response to standard therapy (e.g., failure of ≥ 2 immunosuppressive therapies)

Exclusion Criteria:

* "Active" gastric antral vascular ectasia, as evidenced by bleeding (ie, on esophagogastroduodenoscopy) in the past 6 months or as per Investigator's assessment.
* History of SSc renal crisis within 1 year prior to Screening; presence of kidney impairment due to conditions other than SSc

Conditions5

Interventions3

Locations1 site

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