The objectives of this intermediate-size expanded access protocol are to assess the safety and efficacy of remestemcel-L in participants with MIS-C associated with COVID-19.
Full Title of Study: “Intermediate-size Expanded Access of Remestemcel-L, Human Mesenchymal Stromal Cells, for Multisystem Inflammatory Syndrome in Children (MIS-C) Associated With Coronavirus Disease (COVID-19)”
- Study Type: Expanded Access
This intermediate-size expanded access protocol plans to treat approximately 50 children or adolescents, male and female, with MIS-C associated with COVID-19. Participants who are 2 months to 17 years of age, inclusive, will be enrolled at multiple clinical sites across the United States.
- Biological: Remestemcel-L
- Participants may receive up to 2 infusions of 2 x 10^6 remestemcel-L within a 5-day period.
- Drug: Hydrocortisone
- Participants who are not currently taking a corticosteroid will receive hydrocortisone, 0.5-1 milligram per kilogram (mg/kg), up to 50 mg IV, at least 30 minutes prior to the infusion of remestemcel-L.
- Drug: Diphenhydramine
- Participants will receive diphenhydramine, 0.5-1 mg/kg, up to 50 mg IV, at least 30 minutes prior to the infusion of remestemcel-L.
Participating in This Clinical Trial
1. 2 months to 17 years of age, inclusive
2. Positive for current or recent SARS-CoV-2 (COVID-19) infection by real-time reverse transcription polymerase chain reaction (RT-PCR), serology, or antigen test; or COVID-19 exposure within the 4 weeks prior to the onset of symptoms AND no alternative plausible diagnoses
3. Presenting with:
- Fever (>38.0°C or >100.4°F for ≥24 hours) or reporting subjective fever lasting ≥24 hours
- Laboratory evidence of inflammation with high sensitivity C-reactive protein (hsCRP) ≥4.0 milligrams per deciliter (mg/dL) and associated abnormalities of at least one of the following:
- elevated erythrocyte sedimentation rate (ESR)
- elevated fibrinogen
- elevated procalcitonin
- elevated d-dimer
- elevated ferritin
- elevated lactic dehydrogenase (LDH)
- elevated interleukin 6 (IL-6)
- elevated neutrophils
- reduced lymphocytes
- low albumin
- Evidence of clinically severe multisystem illness requiring hospitalization. Participants must have demonstrable cardiac involvement (reduced left ventricular [LV] ejection fraction ≤50%) and at least one other organ involvement (renal, respiratory, hematologic, gastrointestinal, dermatologic or neurological)
4. If on mechanical ventilation or ECMO, ≤72 hours post initiation of the respiratory support device
1. Documented other microbial cause for MIS-C including bacterial sepsis, staphylococcal or streptococcal shock syndromes, or infections associated with myocarditis such as enterovirus. Of importance, waiting for results of these investigations should not delay initiation of remestemcel-L therapy.
2. Females who are pregnant or lactating
3. Known hypersensitivity to dimethyl sulfoxide (DMSO) or to porcine or bovine proteins
4. Aspartate aminotransferase/alanine transaminase (AST/ALT) ≥5x upper limit of normal (ULN)
5. Creatinine clearance <30 mL/min
6. Serum creatinine >2 mg/dL
7. Any end-stage organ disease which in the opinion of the treating physician may possibly affect the safety of the remestemcel-L treatment.
Gender Eligibility: All
Minimum Age: 2 Months
Maximum Age: 17 Years
- Lead Sponsor
- Mesoblast International Sàrl
- Provider of Information About this Clinical Study
- Overall Official(s)
- Kenneth M. Borow, MD, Study Director, Mesoblast, Inc.
- Overall Contact(s)
- Elizabeth Burke, ANP-C, 646-315-1725, firstname.lastname@example.org
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