Novartis and BMS Pause Autoimmune CAR T Trials Over Safety Concerns - Scorecard - MDSpire
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Novartis and BMS Pause Autoimmune CAR T Trials Over Safety Concerns

  • September 16, 2026

  • 2 min

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Clinical Scorecard: Novartis and BMS Pause Autoimmune CAR T Trials Over Safety Concerns

At a Glance

CategoryDetail
ConditionAutoimmune diseases
Key MechanismsCD19-directed CAR T therapies
Target PopulationPatients with autoimmune diseases such as systemic lupus erythematosus, rheumatoid arthritis, and others
Care SettingClinical trials

Key Highlights

  • Novartis paused eight studies of rapcabtagene autoleucel after three patients developed IEC-HS.
  • All three patients with IEC-HS complications died.
  • Bristol Myers Squibb paused enrollment in trials of zolacabtagene autoleucel due to safety monitoring findings.
  • IEC-HS is a known risk associated with CAR T treatments.
  • Patients already treated will continue to be monitored.

Guideline-Based Recommendations

Diagnosis

  • Monitor for signs of IEC-HS in patients receiving CAR T therapies.

Management

  • Pause trials and review safety data when serious adverse events occur.

Monitoring & Follow-up

  • Implement routine safety monitoring during clinical trials.

Risks

  • Be aware of the potential for life-threatening reactions such as IEC-HS.

Patient & Prescribing Data

Patients with autoimmune diseases participating in clinical trials.

Both therapies are autologous CAR T treatments with known risks.

Clinical Best Practices

  • Engage independent safety boards for review of adverse events.
  • Ensure ongoing monitoring of patients already treated in paused trials.

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