Gallium Ga 68 dotatate

(NETSPOT®)

NETSPOT®

Drug updated on 12/11/2024

Dosage FormInjection (intravenous; up to 218 MBq/mL [5.89 mCi/mL])
Drug ClassRadioactive diagnostic agents
Ongoing and
Completed Studies
ClinicalTrials.gov

Indication

  • Indicated for use with positron emission tomography (PET) for localization of somatostatin receptor positive neuroendocrine tumors (NETs) in adult and pediatric patients.

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Summary
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  • This summary is based on the review of three systematic review(s)/meta-analysis(es). [1-3]
  • Imaging Uptake and Tumor-to-Background Ratios: In patients with neuroendocrine tumors (NETs), the uptake of Gallium-68-labeled DOTATATE showed no significant change at primary and metastatic sites following somatostatin analog (SSA) therapy, though the tumor-to-liver/background ratio increased post-treatment.
  • True Positivity Rates: Radiolabeled peptides varied in true positivity rates, with (111)In-DTPA-Octreotide at 63.7%, (99m)Tc-EDDA/HYNIC-TOC at 58.5%, (68)Ga-DOTATATE/TOC at 78.4%, and (64)Cu-DOTATATE at 82.4%; PET tracers (68)Ga-DOTATATE/TOC and (64)Cu-DOTATATE demonstrated higher rates than single photon computed emission tomography (SPECT) agents.
  • Diagnostic Performance for Pancreatic NETs: The sensitivity and specificity of (68)Ga-DOTATATE in SSR-PET/CT imaging for primary pancreatic NETs (pNETs) were 79.6% and 95%, respectively, with pooled detection rates of 81% for patient-based and 92% for lesion-based analysis.
  • There is no safety information available in the reviewed studies.
  • There is no population types or subgroups information available in the reviewed studies.