Elements · ← Gd Gadolinium · Dy Dysprosium →
Radioactive terbium-161 is studied as a possible alternative to lutetium-177 in targeted therapy.
| Symbol | Tb |
|---|---|
| Atomic number | 65 |
| Standard atomic weight | 158.92535 |
| Group | none (lanthanide series) |
| Period | 6 |
| Block | f-block |
| Category | Lanthanide |
| Standard state | Solid |
| Discovered | 1843 |
Source: PubChem, Terbium (periodic table data, retrieved 2026-10-19). Group and period follow the standard 18-column periodic table.
Only what the cited papers report.
Müller and colleagues labelled PSMA-617 with terbium-161, which also emits conversion and Auger electrons; it distributed like lutetium-177-PSMA-617 in mice but reduced prostate cancer cell viability more, and extended survival of treated mice.
As reported in: Müller, Umbricht, Gracheva et al. (2019). Terbium-161 for PSMA-targeted radionuclide therapy of prostate cancer. European Journal of Nuclear Medicine and Molecular Imaging. doi:10.1007/s00259-019-04345-0
Search Google Patents for terbium in biological and medical uses: all patents · recent applications (2022+)
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