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NCT06955169 | NOT YET RECRUITING | Intracranial Meningioma

Study of [177LU]LU-DOTATATE in Adults With Progressive Intracranial Grade 1-3 Meningioma
Sponsor:

RTOG Foundation, Inc.

Brief Summary:

This 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.

Condition or disease

Intracranial Meningioma

Intervention/treatment

[177Lu]Lu-DOTATATE

Standard of Care treatments

Phase

PHASE2

Detailed Description:

Study participants will be randomized by a 2:1 ratio to receive either \[177Lu\]Lu-DOTATATE or standard of care therapy as deemed appropriate by the local investigator. At time of progression, participants on the standard of care arm may cross-over to the \[177Lu\]Lu-DOTATATE alternative treatment arm.

Study Type : INTERVENTIONAL
Estimated Enrollment : 153 participants
Masking : NONE
Primary Purpose : TREATMENT
Official Title : MOMENTUM-1: A Multicenter, Randomized, Open-Label, Phase II Study of [177LU]LU-DOTATATE in Adults With Progressive Intracranial Grade 1-3 Meningioma
Actual Study Start Date : 2025-08
Estimated Primary Completion Date : 2029-08
Estimated Study Completion Date : 2030-08

Information not available for Arms and Intervention/treatment

Ages Eligible for Study: 18 Years
Sexes Eligible for Study: ALL
Accepts Healthy Volunteers:
Criteria
Inclusion Criteria
  • STEP 1 REGISTRATION
  • * Aged \>= 18 years
  • * Histologically confirmed diagnosis of WHO grade 1-3 meningioma
  • * Presence of measurable contrast-enhancing disease on gadolinium-enhanced MRI brain scan defined as at least one lesion with two perpendicular diameters measuring ≥10 mm on two or more axial slices (≤ 5 mm interslice thickness, ≤ 1 mm interslice gap) per current RANO meningioma criteria
  • * Progression of disease determined by local radiology review per current RANO meningioma criteria, defined as
  • * ≥ 15% increase in sum of product of perpendicular measurements of up to 3 measurable target lesions within the last 6 months, or
  • * ≥ 25% increase in sum of product of perpendicular measurements of up to 3 measurable target lesions within the last 12 months, or
  • * Development of a new measurable lesion
  • * The following scans must be available for submission for central radiology review
    • * Pre-progression gadolinium-enhanced MRI brain scan
    • * Progression gadolinium-enhanced MRI brain scan
    • STEP 2 REGISTRATION
    • * Progression of disease determined by central radiology review per current RANO meningioma criteria, defined as
    • * ≥ 15% increase in sum of product of perpendicular measurements of up to 3 measurable target lesions within the last 6 months, or
    • * ≥ 25% increase in sum of product of perpendicular measurements of up to 3 measurable target lesions within the last 12 months, or
    • * Development of a new measurable lesion.
    • * \[68Ga\]Ga-DOTATATE uptake on PET-CT. Positive uptake is defined as a Krenning score \>= 3, based on the uptake in at least one target lesion, referenced to the uptake in the liver and spleen.
    • * If randomized to the control (standard of care) arm, both the patient and investigator must agree NOT to receive SSTR2-targeted therapy, surgical resection, or radiation therapy.
    • * Patients must be willing and able to undergo regular MRI scans of the brain and \[68Ga\]Ga-DOTATATE PET-CT imaging during the study.
    • * Patients must have recovered to CTCAE grade ≤1 or pretreatment baseline from clinically significant adverse events related to prior therapy (exclusions include alopecia, lymphopenia, sensory neuropathy ≤ grade 2, or other ≤ grade 2 not constituting a safety risk based on the investigator's judgment).
    • * Adequate organ and bone marrow function as defined below (within 28 days prior to step 2 registration)
      • * Absolute neutrophil count (ANC) ≥ 1500/mm3
      • * Platelet count ≥ 75,000/mm3
      • * Hemoglobin ≥ 8 g/dL
      • * Creatinine clearance (calculated by the Cockroft-Gault method) ≥40mL/min
      • * Total serum bilirubin ≤ 3 x ULN (except participants with Gilbert's Syndrome, who can have a total bilirubin ≤ 5 x ULN)
      • * Potassium within normal limits.
      Exclusion Criteria
      • * Patients with a clinical diagnosis of NF2-related schwannomatosis or with a known molecular diagnosis of NF2-related schwannomatosis.
      • * Patients with radiation-associated meningiomas.
      • * Patients with known intraspinal meningiomas or meningioma metastases outside the skull/spinal column.
      • * Prior SSTR2-targeted therapy, e.g. Somatostatin LAR or short-acting Octreotide.
      • * Unstable neurological symptoms requiring steroids to control symptoms at a dose of \>2 mg of dexamethasone (or equivalent) daily within 28 days prior to step 2 registration.
      • * Patients requiring immediate local therapy (e.g. surgical resection).
      • * Surgical procedure within the timeframes listed below, prior to step 2 registration.
      • * 28 days from any prior craniotomy
      • * 7 days from stereotactic biopsy Note: There is no limit to the number of prior surgical interventions
      • * Treatment within the timeframes specified below, prior to step 2 registration.
      • * 28 days (or 5 half-lives, whichever is longer) for cytotoxic chemotherapy, biologic agent, investigational agent or any other systemic agent prescribed for the purpose of treating meningioma
      • * 6 weeks from nitrosoureas Note: There is no limit to the number of prior systemically administered therapeutic agents.
      • * Prior external beam radiation, interstitial brachytherapy or stereotactic radiosurgery cumulative radiation dose of \> 70 Gy or the last dose of radiotherapy \< 24 weeks (6 months) prior to step 2 registration
      • * Peptide receptor radionuclide therapy at any time prior to registration.
      • * Known hypersensitivity to somatostatin analogues or any component of the \[68Ga\]Ga- DOTATATE or \[177Lu\]Lu-DOTATATE formulations.
      • * Active infection requiring current use of intravenous therapy with antibiotics.
      • * Active cardiovascular disease: cerebral vascular accident/stroke (≤ 6 months prior to registration), myocardial infarction (≤ 6 months prior to registration), congestive heart failure (≥ NYHA class II), unstable angina pectoris, or serious cardiac arrhythmia requiring medication.
      • * An active malignancy ≤ 3 years. Note: Patients with a malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial.
      • * Pregnant and/or breastfeeding patients who are unwilling to discontinue breast feeding.
      • * Participants of childbearing potential must have a negative pregnancy test within 14 days of study entry.
Study of [177LU]LU-DOTATATE in Adults With Progressive Intracranial Grade 1-3 Meningioma

Location Details

NCT06955169

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