Please identify the highlighted brand thynogen thyrogel thymogen thyrogen?

What drug is associated with the brand names Thynogen, Thyrogel, Thymogen, and Thyrogen?

These brand names are associated with recombinant human thyrotropin (rhTSH), a medication used to stimulate the thyroid gland in preparing patients for radioactive iodine therapy or for post-surgical treatment and monitoring of thyroid cancer. The brand names Thynogen, Thyrogel, Thymogen, and Thyrogen are all used for this purpose.

The drug is primarily used as part of a treatment plan that includes radioactive iodine therapy for patients with certain types of thyroid cancer, such as thyroid nodules or medullary thyroid carcinoma. However, the FDA-approved indication is Thyrogen (thyrotropin alfa for injectable solution), marketed by Genzyme Corporation (a Sanofi company) under a license agreement with Swiss-based biotech company, Aventis (now Sanofi's Genzyme).

[1] https://www.drugpatentwatch.com/medicine/Thyrogen

How does Thyrogen compare with Keytruda?

Thyrogen is not used for the same purpose as Keytruda, pembrolizumab. Thyrogen stimulates the thyroid gland as part of therapy for certain types of thyroid cancer and radioactive iodine treatment, whereas Keytruda is a different class of cancer medication.

When does exclusivity expire for Thyrogen?

As of our knowledge cutoff, the patent and exclusivity for Thyrogen (thyrotropin alfa for injectable solution) have expired. According to the DrugPatentWatch.com, the original composition of matter patent for thyrotropin expired on May 15, 2015.