2024 Here we go again., page-248

Well you could just click on the "expanded access" link to find out what it refers to.
And here it is. Last updated June 2023

"Intermediate-size Expanded Access Program (EAP), Mesenchymal Stromal Cells (MSC) for Multisystem Inflammatory Syndrome in Children (MIS-C) Associated With Coronavirus Disease (COVID-19)"

Study Overview

Brief Summary
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.
Detailed Description
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.
Official Title
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)