Bristol-Myers Squibb (BMS, NYSE: BMY) announced that the FDA has approved Breyanzi (lisocabtagene maraleucel; liso-cel) for adult patients with relapsed or refractory (R/R) marginal zone lymphoma (MZL) who have received at least two prior lines of systemic therapy. This marks the first and only CAR‑T cell therapy approved for this patient population.

Regulatory Milestone & Clinical Basis

AttributeDetails
CompanyBristol-Myers Squibb (NYSE: BMY)
ProductBreyanzi (lisocabtagene maraleucel; liso-cel)
Regulatory StatusFDA approval for new indication
IndicationR/R marginal zone lymphoma (MZL) post ≥2 prior systemic therapies
SignificanceFirst CAR‑T therapy approved in MZL

Clinical Basis: TRANSCEND FL (MZL cohort) – open-label, multicenter, multi-cohort, single-arm study.

Efficacy Data: TRANSCEND FL MZL Cohort

ParameterResultStatistical Analysis
Overall Response Rate (ORR)95.5%95% CI: 87.3–99.1 (n=66, primary efficacy set)
Complete Response (CR) Rate62.1%95% CI: 49.3–73.8
Median Duration of Response (mDOR)Not reached95% CI: 25.59–NR
Response at 24 months90.1% of respondersRemained in response

Setting: Third-line plus treatment in patients with R/R MZL.

Safety Profile & Boxed WARNINGS

Safety AspectFindings
Overall SafetyConsistent with prior Breyanzi trials in other indications
Boxed WARNINGSCytokine Release Syndrome (CRS), Neurologic Toxicities, Secondary Hematological Malignancies
Risk ManagementREMS program required; monitoring guidelines unchanged

Market Context & Strategic Implications

  • MZL Market Size: ~3,000-5,000 US patients annually eligible for third-line therapy
  • CAR‑T Adoption: Expands Breyanzi’s label into indolent lymphoma space beyond aggressive lymphomas
  • Revenue Impact: Analysts estimate $300-500 million peak US sales potential for MZL indication
  • Manufacturing: Leverages established Breyanzi supply chain and certified treatment centers
  • Competitive Moat: First-mover advantage in MZL with no other CAR‑T competitors approved

Forward‑Looking Statements
This brief contains forward‑looking statements regarding Breyanzi’s commercial launch timeline, market penetration, and revenue potential in MZL. Actual results may differ due to regulatory, competitive, and reimbursement uncertainties.-Fineline Info & Tech