Participants were randomized 1:1 to receive either trastuzumab deruxtecan or trastuzumab emtansine by intravenous infusion every three weeks until unacceptable toxicity or disease progression. Randomization was stratified by hormone receptor status, prior treatment with pertuzumab, and history of visceral disease.The FDA approved trastuzumab deruxtecan for the treatment of HER2-low breast cancer based on DESTINY-Breast04, a randomized, multicenter, open label clinical trial that enrolled 557 adult participants with unresectable or metastatic HER2-low breast cancer. The trial included two cohorts: 494 hormone receptor positive (HR+) participants and 63 hormone receptor negative (HR-) participants. Of these participants, 373 randomly received trastuzumab deruxtecan by intravenous infusion every three weeks and 184 randomly received physicians choice of chemotherapy (eribulin, capecitabine, gemcitabine, nab paclitaxel, or paclitaxel). The results showed improvement in both progression-free survival and overall survival in people with unresectable or metastatic HER2-low breast cancer. Society and culture
Legal status
The U.S. Food and Drug Administration (FDA) approved trastuzumab deruxtecan in December 2019. The application for trastuzumab deruxtecan was granted accelerated approval, fast track designation, and breakthrough therapy designation. The FDA granted the approval of Enhertu to Daiichi Sankyo.On 10 December 2020, the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) adopted a positive opinion, recommending the granting of a conditional marketing authorization for the medicinal product Enhertu, intended for the treatment of metastatic HER2-positive breast cancer. Trastuzumab deruxtecan was reviewed under EMAs accelerated assessment program. The applicant for this medicinal product is Daiichi Sankyo Europe GmbH.
Entomophthoramycosis (or Entomophthoromycosis) is a mycosis caused by Entomophthorales.Examples include basidiobolomycosis and conidiobolomycosis. Diagnosis
A culture of the infected tissue of the individual suspected of having Entomophthoramycosis

Treatment
Treatment for phycomycosis is very difficult and includes surgery when possible. Postoperative recurrence is common. Antifungal drugs show only limited effect on the disease, but itraconazole and terbinafine hydrochloride are often used for two to three months following surgery. Humans with Basidiobolus infections have been treated with amphotericin B and potassium iodide. For pythiosis and lagenidiosis, a new drug targeting water moulds called caspofungin is available, but it is very expensive. Immunotherapy has been used successfully in humans and horses with pythiosis. Treatment for skin lesions is traditionally with potassium iodide, but itraconazole has also been used successfully. References


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