Key trials of ADCs in SCLC

AgentTargetTrial identifierPhaseORROSPFSGrade 3 or > TRAEs
Rovalpituzumab tesirineDLL3NCT01901653I18%2.8 mo (95% CI: 2.5–4.0)38%
Rovalpituzumab tesirineDLL3TRINITY (NCT02674568)II12.4%5.6 mo (95% CI: 4.9–6.1)3.5 mo (95% CI: 3.0–3.9)63%
Rovalpituzumab tesirineDLL3MERU (NCT03033511)III8.5 mo (95% CI: 7.3–10.2)4.0 mo (95% CI: 3.2–4.1)59%
Rovalpituzumab tesirineDLL3TAHOE (NCT03061812)III6.3 mo (95% CI: 5.6–7.3)3.0 mo (95% CI: 2.9–3.6)64%
Rovalpituzumab tesirine + ipilimumab & nivolumabDLL3NCT03026166I/II36.4% (95% CI: 10.9–69.2)11.0 mo (95% CI: 2.3–17.0)4.1 mo (95% CI: 1.3–6.0)100%
Rovalpituzumab tesirine + nivolumabDLL3NCT03026166I/II27.6% (95% CI: 12.7–47.2)7.4 mo (95% CI: 5.0–9.1)4.8 mo (95% CI: 3.2–5.3)87%
Sacituzumab govitecanTrop2IMMU-132-01 (NCT01631552)I/II17.70%7.1 mo (95% CI: 5.6–8.1)3.7 mo (95% CI: 2.1–4.8)59.6%
Sacituzumab govitecanTrop2TROPiCS-03 (NCT03964727)II29% (95% CI: 8–58)46%
Ifinatamab deruxtecanB7-H3NCT04145622I/II52%9.9 mo5.8 mo
HS-20093B7-H3ARTEMIS-001 (NCT05276609)I8 mg/kg dose: 58.1%5.6 mo
ABBV-011SEZ6NCT03639194I25%3.5 mo47.5%
ABBV-706SEZ6NCT05599984I21%57%
BL-B01D1EGFR-HER3NCT05194982I34%5.7 mo71%
Tusamitamab ravtansineCEACAM5NCT02187848I14.3% (Q2W-LD), 13.3% (Q3W)

ADCs: antibody drug conjugates; SCLC: small cell lung cancer; DLL3: delta-like ligand 3; Trop2: trophoblast cell surface antigen 2; SEZ6: seizure-related homolog 6; EGFR: epidermal growth factor receptor; CEACAM5: carcinoembryonic antigen-related cell adhesion molecule 5; CI: confidence interval; Q2W: every 2 weeks; ORR: objective response rate; OS: overall survival; PFS: progression-free survival; TRAEs: treatment-related adverse events; mo: month