Table 2.
Ongoing phase I and phase II studies of 177Lu-DOTATATE.
| Study | Phase | Treatment | Patient Population | Outcome(s) |
|---|---|---|---|---|
| NCT03206060 | II | 177Lu-DOTATATE | Inoperable Paragangliomas and Pheochromocytomas | PFS (primary) and assess safety profile (secondary) |
| NCT03325816 | I/II | 177Lu-DOTATATE plus nivolumab | Inoperable Lung NETs or Refractory Extensive-Stage Small Cell Lung Cancer | RP2D (primary in phase I) and PFS (primary in phase II). Secondary outcomes include assessing safety profile (both phases), OS (phase II), DCR (phase II) and ORR (phase II) |
| NCT03971461 | II | 177Lu-DOTATATE | G1-G3 Progressive or High-Risk Meningioma | 6-month PFS (primary). Secondary outcomes include ORR, 12-month OS, PFS and OS. |
| NCT01456078 | II | 177Lu-DOTATATE | G1-G2 Progressive NETs | Objective tumor response after cumulative kidney BED of 27 ± 2 Gy. Secondary outcome, objective tumor response after receiving a cumulative BED to the kidneys of 40 ± 2 Gy per RECIST 1.1 |
| NCT03454763 | II | 177Lu-DOTATATE | NETs of Any Stage | PFS and treatment emergent AEs (primary); 5-year DCR and OS (secondary) |
| NCT04029428 | II | 177Lu-DOTATATE ± 90Y-DOTATATE | G1-G3 GEP-NETs, Lung NETs, Pheochromocytoma and Paraganglioma, NET-CUP – with overexpression of somatostatin receptors | PFS (primary) and OS, performance status, cancer related symptoms, Hormonal overproduction symptoms, ORR, safety assessments, vital signs, BMI, and ECG analysis (secondary) |
| NCT03590119 | II | 177Lu-DOTATATE (intra-arterial) | G1/G2 NETs | Difference in post-treatment tumor to non-tumor concentration between intra-arterial and intravenous treated liver lobe at 24 hours (primary); difference in post-treatment tumor at 3 and 6 months, toxicity, uptake of 177Lu-DOTATATE in extrahepatic lesions at 24 hours (secondary) |
| NCT02230176 | II | 177Lu-DOTATATE vs sunitinib | Well-differentiated PNETs | 12-month PFS (primary) and OS, best responses per RECIST 1.1–48 months (secondary) |
Abbreviations: NETS, neuroendocrine tumors; PNET, pancreatic neuroendocrine tumor; G, grade; NET-CUP, neuroendocrine tumor-carcinoma of unknown primary; PFS, progression-free survival, RP2D, recommended phase 2 dose; OS, overall survival; DCR, disease control rate; ORR, objective response rate; AEs, adverse events; BED, biologic effective dose; BMI, body mass index; vs, versus; 177 Lu, lutetium-177; 90Y, yttrium-90; Gy, gray