The present disclosure concerns radiopharmaceutical compositions of radioactive halogenated benzylguanidine (such as radioiodinated MIBG) or a pharmaceutically acceptable salt, hydrate, or solvate thereof. In a preferred embodiment, the composition has at least 97% of radiochemical purity for at least 4 days. Advantageously, the compositions of the present disclosure may be devoid of parabens, which are carcinogenic and yet are used in known radioactive MIBG compositions. The present disclosure also provides processes of preparing a radioactive halogenated benzylguanidine composition. The compositions of the present disclosure can be used in diagnosis and treatment of various diseases.

The present invention relates to radionuclide complex solutions of high concentration and of high chemical stability, that allows their use as drug product for diagnostic and/or therapeutic purposes. The stability of the drug product is achieved by at least one stabilizer against radiolytic degradation. The use of two stabilizers introduced during the manufacturing process at different stages was found to be of particular advantage.

The present invention relates to radionuclide complex solutions of high concentration and of high chemical stability, that allows their use as drug product for diagnostic and/or therapeutic purposes. The stability of the drug product is achieved by at least one stabilizer against radiolytic degradation. The use of two stabilizers introduced during the manufacturing process at different stages was found to be of particular advantage.

The present disclosure generally relates to a radiopharmaceutical composition comprising .sup.177Lu-PSMA I&T. The composition is formulated as a solution for injection and the solution is suitable for administration more than 72 hours after formulation. The composition may include ascorbic acid and have a pH of 3.5 to 4.5 in solution. In some examples, the composition is suitable for administration to a human patient in need thereof at least 90 hours after formulation, and the composition has a radiochemical purity of 95% or greater at administration.

The radiopharmaceutical .sup.177Lu-PSMA I&T is provided, including in high purities with extended shelf life. Further provided are methods of synthesis of .sup.177Lu-PSMA I&T and pharmaceutical compositions and methods of treatment that comprise .sup.177Lu-PSMA I&T.

Provided herein are radiopharmaceutical compositions and uses thereof. The radiopharmaceutical compositions can comprise one or more stabilizing agents, an aqueous vehicle, and a conjugate that comprises a targeting ligand and a radionuclide bound to a metal chelator. The targeting ligand can be a small molecule compound or a peptide such as a monocyclic peptide. The targeting ligand can be configured to bind with a tumor target. The stabilizing agent can comprise a radiolysis stabilizer, a free metal chelator, and/or a pH stabilizer. Further provided herein are methods of preparing the radiopharmaceutical compositions and methods of treating cancer by administering the described radiopharmaceutical compositions.

The present invention relates to radiopharmaceutical compositions comprising the mother nuclide .sup.224Ra, its daughter nuclide .sup.212Pb, and a complexing agent that complexes with the daughter nuclide. The use of targeted chelate scavengers for .sup.224Ra daughter nuclide opens up the possibility for using .sup.224Ra based solutions for medial treatments.

A nuclear medicine infusion system may be used to generate and infuse radioactive liquid into a patient undergoing a diagnostic imaging procedure. In some examples, the infusion system includes a frame that carries a radioisotope generator that generates radioactive eluate via elution. The frame may also carry a beta detector and a gamma detector. The beta detector can be positioned to measure beta emissions emitted from the radioactive eluate supplied by the generator. The gamma detector can be positioned to measure gamma emissions emitted from a portion of the radioactive eluate to evaluate a safety of the radioactive eluate delivered by the infusion system.

A method of preparing a .sup.64Cu-BaBaSar-RGD.sub.2 solution is provided. The method includes lyophilizing a solution of BaBaSar-RGD.sub.2 and adding a .sup.64Cu solution to the lyophilized BaBaSar-RGD.sub.2.

The present invention is related to modified dextran conjugates, such as guanidine-dextran conjugates, comprising a PSMA binding tripeptide. The present invention further discloses a method for preparation of said conjugates as well as their use. The conjugate of the present invention can be used for treating or diagnosis of a disease or a condition associated with expression of prostate specific membrane antigen (PSMA).