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1.
Nat Med ; 28(2): 251-259, 2022 02.
Article in English | MEDLINE | ID: mdl-35145305

ABSTRACT

Tay-Sachs disease (TSD) is an inherited neurological disorder caused by deficiency of hexosaminidase A (HexA). Here, we describe an adeno-associated virus (AAV) gene therapy expanded-access trial in two patients with infantile TSD (IND 18225) with safety as the primary endpoint and no secondary endpoints. Patient TSD-001 was treated at 30 months with an equimolar mix of AAVrh8-HEXA and AAVrh8-HEXB administered intrathecally (i.t.), with 75% of the total dose (1 × 1014 vector genomes (vg)) in the cisterna magna and 25% at the thoracolumbar junction. Patient TSD-002 was treated at 7 months by combined bilateral thalamic (1.5 × 1012 vg per thalamus) and i.t. infusion (3.9 × 1013 vg). Both patients were immunosuppressed. Injection procedures were well tolerated, with no vector-related adverse events (AEs) to date. Cerebrospinal fluid (CSF) HexA activity increased from baseline and remained stable in both patients. TSD-002 showed disease stabilization by 3 months after injection with ongoing myelination, a temporary deviation from the natural history of infantile TSD, but disease progression was evident at 6 months after treatment. TSD-001 remains seizure-free at 5 years of age on the same anticonvulsant therapy as before therapy. TSD-002 developed anticonvulsant-responsive seizures at 2 years of age. This study provides early safety and proof-of-concept data in humans for treatment of patients with TSD by AAV gene therapy.


Subject(s)
Tay-Sachs Disease , Anticonvulsants , Dependovirus/genetics , Genetic Therapy , Humans , Tay-Sachs Disease/genetics , Tay-Sachs Disease/therapy
2.
Curr Opin Anaesthesiol ; 34(2): 173-175, 2021 Apr 01.
Article in English | MEDLINE | ID: mdl-33577207

ABSTRACT

PURPOSE OF REVIEW: Disclosure after medical error is a complex process that goes beyond a single provider and the patient. The types and severity of errors occurring in the practice of anesthesiology may have more implications for patients, requiring a thoughtful approach to the patient, their families and the healthcare system as a whole. RECENT FINDINGS: Tenants of the disclosure have been established. Simulation for trainees and practitioners allows for education and preparation for such events. SUMMARY: Despite education and systems-based improvements in quality and safety in medicine, errors will undoubtably occur. Communication with patients and their families after an event is key in maintaining trust in the therapeutic relationship. A concerted effort is required by a team to ensure a well-executed disclosure.


Subject(s)
Disclosure , Medical Errors , Anesthesiology , Communication , Humans
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