Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Benjamin Greenberg
Age
1–18
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
1-18 years of age
Clinically symptomatic patients with diagnosis of CLN7 based upon molecular testing with homozygous or compound heterozygous and pathogenic mutations in MFSD8 gene with symptom onset before age 4
Patients selected to be included in this study will have no more than moderate severity of the disease and will have to meet the following criteria; Not dependent on chronic invasive ventilatory support AND have either
Expressive language sub test on Mullen and/or Vineland consistent with an age equivalent score of a 2 year 0 month old. This means they should have 20-50 words (all comprehensible) in their vocabulary and putting 2-3 words phrases in a sentence or,
Patients can complete and obtain a score of 2-3 on GMFM sub domain E (Walking, Running \& jumping) item 67 (ie With 2 hands held can walk 10 steps forward)
Written informed consent provided by participant/parent/guardian and willingness to participate and comply with all the study related visits and procedures. Assent provided by children 10 -17 years old based on their ability to understand the risks and possible benefits, and the activities expected of them as participants.
You may not be if
Diagnosis of a second neurodegenerative disease or another genetic syndrome with a progressive course
Hypersensitivity to any drugs used per procedural protocol
Inability to tolerate anesthesia or study procedures
Advanced stage disease defined by the use of chronic invasive ventilatory support (tracheostomy with ventilator dependence) and a non communicative status
Concomitant illness that places patient at risk for gene transfer or gene transfer related procedures and immunosuppression
Active, symptomatic viral infection (including but not limited to HIV or serology positive for Hepatitis B or C, or COVID-19) at the PI's discretion
Bacterial infection requiring antibiotics within the 6 weeks prior to infusion
New antiepileptic medications initiated within 90 days of infusion
Status epilepticus within 30 days of infusion
Generalized tonic-clonic seizure without returning to baseline within 24 hours of infusion
Family is unwilling or unable to participate with required follow-up assessments
Abnormal lab values that are clinically significant:
* Platelet count \< 100,000/mm3
* Abnormal absolute neutrophil count (ANC) of \< 1000/mm3
* Persistent leukopenia or leukocytosis (Total white blood cell count \< 3,000/mm or \> 15,000/mm respectively)
* Significant anemia (Hb \<10 g/dL)
* Abnormal prothrombin (PT) or partial thromboplastin time (PTT)
* Abnormal liver function tests (\>2 X ULN or \> 2 X the baseline value at time of dosing)
* Abnormal pancreatic enzymes (\>2 X ULN or \> 2 X the baseline value at time of dosing)
* Renal impairment defined as urinary protein concentration greater than or equal to 0.2 g/L on 2 consecutive tests
* Any other abnormal lab values that are clinically significant per PI's discretion
* If labs are abnormal, these can be rechecked during the screening period. If labs normalize with or without intervention, patient can be enrolled at the discretion of PI.
Contraindications for intrathecal administration of the product via lumbar puncture, such as bleeding disorders or other medical conditions (e.g., spina bifida or clotting abnormalities)
Contraindications for MRI scans (including but not limited to cardiac pacemaker, metal in the eye, aneurysm clip in the brain, etc.)
History of or current chemotherapy, radiotherapy, or other immunosuppression therapy within 30 days preceding screening (corticosteroid treatment may be permitted at the discretion of the PI)
Receipt of any other investigational agent within the previous 3 months
Positive Beta hCG pregnancy test (females of child bearing potential will have a pregnancy test on Day -1)
Any other medical condition that puts the subject at increased risk of adverse events related to the investigational product or study-related procedures.
