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DOTA-JR11

Cat. No. M41945
DOTA-JR11 Structure
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Biological Activity

DOTA-JR11 is a somatostatin receptor 2 (SSTR2)antagonist.

Chemical Information
Molecular Weight 1689.27
Formula C74H98ClN19O21S2
CAS Number 1039726-31-2
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Maryana Handula et al. EJNMMI Radiopharm Chem. First preclinical evaluation of [225Ac]Ac-DOTA-JR11 and comparison with [177Lu]Lu-DOTA-JR11, alpha versus beta radionuclide therapy of NETs

[2] Guozhu Hou et al. Front Oncol. Head-to-Head Comparison of 68Ga-DOTA-TATE and 68Ga-DOTA-JR11 PET/CT in Patients With Tumor-Induced Osteomalacia: A Prospective Study

[3] Simone Krebs et al. Eur J Nucl Med Mol Imaging. Comparison of 68Ga-DOTA-JR11 PET/CT with dosimetric 177Lu-satoreotide tetraxetan (177Lu-DOTA-JR11) SPECT/CT in patients with metastatic neuroendocrine tumors undergoing peptide receptor radionuclide therapy

[4] Eric J Meester et al. J Nucl Cardiol. Imaging inflammation in atherosclerotic plaques, targeting SST2 with [111In]In-DOTA-JR11

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