# Novartis, Bristol Myers pause autoimmune CAR-T trials due to safety concerns

> **Open Intelligence Dossier** · First detected: 2026-09-01 13:07 UTC · Category: Business

## Executive Summary
Novartis and Bristol Myers Squibb halt autoimmune CAR-T trials following patient deaths, impacting the sector.

## Intelligence Brief
Recent reporting indicates that major pharmaceutical companies Novartis and Bristol Myers Squibb have chosen to pause specific clinical trials involving CAR-T cell therapies. According to coverage from outlets including EMJ, SWI swissinfo.ch, and STAT via its Pharmalittle column, these trial pauses follow patient deaths associated with the treatments. Specifically, EMJ notes that Novartis has halted eight separate CAR-T cell therapy trials. The developments have triggered wider industry scrutiny, raising immediate questions regarding the future trajectory of CAR-T applications in autoimmune diseases, as highlighted by MedPage Today. The financial and market repercussions of these trial halts are already drawing analyst commentary.


Coverage from Proactive Investors details that Panmure Liberum has assessed the situation, specifically stating that the share price fall experienced by OxfordBiomedica is overdone following the decisions by Novartis and Bristol Myers to pause their respective trials. While the headlines document the direct actions taken by Novartis and Bristol Myers, the coverage does not yet specify the exact nature of the complications or the precise details surrounding the patient deaths that prompted the clinical holds. This unfolding situation places intense focus on the broader field of cell therapy, particularly as these treatments expand beyond oncology into autoimmune conditions. The juxtaposition of multiple high-profile pauses by industry leaders Novartis and Bristol Myers Squibb marks a critical moment for researchers and investors alike. Publications like MedPage Today frame the events around whether these setbacks will fundamentally derail momentum in the autoimmune disease treatment space, underscoring the high stakes involved for ongoing and planned clinical investigations.


Observers and industry stakeholders will need to monitor further announcements from Novartis and Bristol Myers Squibb to understand the duration of these halts and any potential regulatory interventions. Coverage does not yet specify when or if the paused trials will resume, nor does it provide a comprehensive list of all affected trial identifiers beyond the eight halted by Novartis. Future updates from the reporting outlets will likely track how these safety interventions impact wider sector valuations, partner organizations like OxfordBiomedica, and regulatory stances on cell therapies moving forward.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| Proactive Investors | Panmure Liberum says OxfordBiomedica share fall overdone after Novartis and BMS pause trials | [Source Link](https://news.google.com/rss/articles/CBMi-AFBVV95cUxNLVRqaGpua1Jia1pZUHB4eFB0NHJrS2V6ZmM3RkRqVmtUT2ZNMllacTZPbUY3NmxaV2FxVXZvelZlbl8wSDExbzVhcVhLT2M5YU5MS1ZvZ3IzVWNDMXlpLWxNRXJjU2k0Zm9YVDRiejBfd3drWFp6ODJ4dDlBcnZXNm83dzVuUkptM3A0c0NCN0tDRlNfaTduRm5HeDBRSllXejRlOHZ3SVZVZHRpdlVtZkUtT2ZZM0RaYjh1Vlo2M3NRZ1FRc0ZRbS1WTGZOcTlpNjNHRFcyWXVPeHZGdEhMWVNqci10TUppanpiWnl3OGJXWlo1ZEMtbw?oc=5) |
| EMJ | Novartis halts eight CAR-T cell therapy trials after deaths | [Source Link](https://news.google.com/rss/articles/CBMiowFBVV95cUxNUWNPSUpENFBScmtrZmNEZFZjZWdxTXFIcHFMMFRBWUJLenNzSzh2V3JSTk1vUjlTRmN1VVhCU3ZhaE9wQUQ4d1hhZHcwT213cmxyQjU3d21WWkVENlFSY0UySHI2cERRT19FRFJTMUJXZ1dxb1FlejlqaGNHZDBoaUtJeWpUSmZ0Zl8ybUZTQVYwMmVqOGNJSDIyUmVjbGVEbi0w?oc=5) |
| STAT | Pharmalittle: We're reading about Novartis and Bristol pausing cell therapy trials, a $480K cancer drug, and more | [Source Link](https://news.google.com/rss/articles/CBMiygFBVV95cUxORjlpbmM4OGNPWUh6WHo4S0tEVE5ZODExUzlUaER2OHd0OThxSFBqU0xRNDRCdEh3UGJUZ3F0ckprdE41YnlXOUt2VS0zeWFKeE0xRXdXbHFUdERSaWhtcUR0dThJU1JvdmdVRzk5a3FBZmNULV95akNRN1hoSlRzQ3RQc2hYcFMzc29NaUpiZ20yN2I3elh4ZVhNOHdoaEJ5RmJhN3RnbE9MOWNpZ3haVHJKal8tNzRiMVJTZC1xZy00Q0huVzRyXzFR?oc=5) |
| SWI swissinfo.ch | Novartis halts clinical trials following patient deaths | [Source Link](https://news.google.com/rss/articles/CBMikgJBVV95cUxNV1ZKVVFGYmIwWmZNRnFna2VjNXRHbmM5aE85TTlPVXdBQmwxclZueWp6TTg5UWV4TWYyOTBhSkJRMU5fakdLY2xDVDcySmtCQ0M4elplbmZPQkkwZm9qeHlWck9OMjlDQmpESmQySHBfX0ZSQlVXUjdsV3oyYlpVNU1vSm1YZGVOY0FFWGdqTmlDVXFNN1Y3emlEMWZReTRWd2VYdFY2NThVZHJCNk9LY0dHcmpRNkM3RkpmRkx6ZXQ4ZjVQNjNWZ1pXVUJxRnV4bEEtUzI2aGl2UXRRN1FIdmRJMGhJRDVid2lEd2EtVTNyelcyUkFrMDFzcHpuaDJTWmE4MlZPSGVhVC1HdkVfZkF3?oc=5) |
| MedPage Today | Will Patient Deaths Derail the CAR-T Train in Autoimmune Disease? | [Source Link](https://news.google.com/rss/articles/CBMid0FVX3lxTE1uc3ViS0tiWEhYS2haMlNVbjB6U0g0cHJ3YnI1V0loWFZZejFHeHgyMzRpUFM0YldMOWNxWDNHTEVjV0ItUmpjb0hEVkhVQy1BUEZRaHhTNGlpM2tkTVVnQTZ5X2ZPbjU1cERWaVJ6bkxXcTVaX0Fn?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-09-01/novartis-bristol-myers-pause-autoimmune-car-t-trials-due-to-safety-concerns*