RecruitingPhase 2Drug trialComparing the Radiopharmaceutical Drug, [177Lu]Lu-DOTATATE, to Standard of Care Treatment for Patients With Meningioma That Has Come Back After Prior TreatmentThis is an open-label, multicenter, randomized, phase 2 clinical study to evaluate the efficacy of \[177Lu\]Lu-DOTATATE in patients with progressive grade 1-3 intracranial meningioma.