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Clinical Trial and Sponsored Research Agreements (Tables) | 6 Months Ended
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Jun. 30, 2024
Sponsored research and clinical trial agreements |
License, Clinical Trial and Sponsored Research Agreements |
Schedule of Clinical Trial and Sponsored Research Agreements | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended June 30, | ​ | For the six months ended June 30, | ​
($ in thousands) |  | 2024 |  | 2023 |  | 2024 |  | 2023 |
City of Hope National Medical Center | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
IL13Rα2 | ​ | ​ | 111 | ​ | ​ | 326 | ​ | ​ | 391 | ​ | ​ | 636 | ​
CS1(1) | ​ | ​ | — | ​ | ​ | 139 | ​ | ​ | — | ​ | ​ | 188 | ​
PSCA(1) | ​ | ​ | — | ​ | ​ | 22 | ​ | ​ | — | ​ | ​ | 44 | ​
Fred Hutchinson Cancer Center - CD20 | ​ | ​ | 312 | ​ | ​ | 544 | ​ | ​ | 312 | ​ | ​ | 1,098 | ​
St. Jude Children's Research Hospital - XSCID(2) | ​ | ​ | — | ​ | ​ | 216 | ​ | ​ | (434) | ​ | ​ | 634 | ​
Leiden University Medical Center - RAG1 SCID | ​ | ​ | 121 | ​ | ​ | 112 | ​ | ​ | 241 | ​ | ​ | 224 | ​
Mayo Clinic(3) | ​ | ​ | (275) | ​ | ​ | 275 | ​ | ​ | (275) | ​ | ​ | 551 | ​
Total | ​ | $ | 268 | ​ | $ | 1,634 | ​ | $ | 235 | ​ | $ | 3,375 | ​
​ (1) Licenses and associated sponsored research agreements were terminated in May 2023. (2) License and associated Data Transfer Agreement were terminated in April 2024. (3) License and associated sponsored research agreement were terminated in June 2024.

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