Clinical trialPhase 3Active not recruiting
Study of RYZ101 Compared With SOC in Pts w Inoperable SSTR+ Well-differentiated GEP-NET That Has Progressed Following 177Lu-SSA Therapy
Phase 1b/3 Global, Randomized, Controlled, Open-label Trial Comparing Treatment With RYZ101 to Standard of Care Therapy in Subjects With Inoperable, Advanced, SSTR+, Well-differentiated GEP-NETs That Have Progressed Following Prior 177Lu-SSA Therapy
- Outcome
- Ongoing
- Phase
- Phase 3
- Status
- Active not recruiting
- Study type
- Interventional
- Start
- 24 March 2022
- Expected end
- December 2030
- Enrollment
- 343 participants
- Sites
- 54
- Primary outcomes
- Phase 1b: RP3D; Phase 3: PFS as determined by BICR
- Sponsor
- Industry
- Results posted
- No
- Last update
- 5 October 2026
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Brief summary public domain (ClinicalTrials.gov)
This study aims to determine the safety, pharmacokinetics (PK) and recommended Phase 3 dose (RP3D) of RYZ101 in Part 1, and the safety, efficacy, and PK of RYZ101 compared with investigator-selected standard of care (SoC) therapy in Part 2 in subjects with inoperable, advanced, well-differentiated, somatostatin receptor expressing (SSTR+) gastroenteropancreatic neuroendocrine tumors (GEP-NETs) that have progressed following treatment with Lutetium 177-labelled somatostatin analogue (177Lu-SSA) therapy, such as 177Lu-DOTATATE or 177Lu-DOTATOC (177Lu-DOTATATE/TOC), or 177Lu-high affinity \[HA\]-DOTATATE.
Papers 2
- Builds on itDosimetry Results from the Phase 1b/3 ACTION-1 Trial of [225Ac]Ac-DOTATATE (RYZ101) in Patients with Somatostatin Recep… DOI 10.2967/jnumed.125.270573↗
- Builds on itRadiopharmaceuticals for Cancer Diagnosis and Therapy: New Targets, New Therapies-Alpha-Emitters, Novel Targets. DOI 10.1097/ppo.0000000000000720↗