Enfortumab vedotin-ejfv with pembrolizumab is approved by USFDA for locally advanced or metastatic urothelial carcinoma

Padcev for urothelial cancer treatment
Enfortumab vedotin-ejfv (Padcev, Astellas Pharma) and pembrolizumab (Keytruda, Merck) have been given accelerated approval by the Food and Drug Administration for the treatment of patients with locally advanced or metastatic urothelial carcinoma who are ineligible for cisplatin-containing chemotherapy.

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Feb 2024: The Food and Drug Administration has sped up the approval process for two drugs, enfortumab vedotin-ejfv (Padcev, Astellas Pharma) and pembrolizumab (Keytruda, Merck). These drugs are meant to treat people with locally advanced or metastatic urothelial carcinoma who can not get cisplatin-containing chemotherapy.

Efficacy was assessed in the multi-cohort (dose escalation cohort, Cohort A, Cohort K) research EV-103/KEYNOTE-869 (NCT03288545). Patients were treated with enfortumab vedotin-ejfv + pembrolizumab in the dose escalation cohort and Cohort A, whereas in Cohort K, patients were randomised to either the combination or enfortumab vedotin-ejfv alone. Patients were ineligible for chemotherapy that contained cisplatin because they had not previously undergone systemic treatment for locally progressed or metastatic illness. 121 individuals in total received pembrolizumab together with enfortumab vedotin-ejfv.

Objective response rate (ORR) and duration of response (DoR), which were determined by blinded independent central review using RECIST v1.1, were the key efficacy outcome measures. In 121 patients, the confirmed ORR was 68% (95% CI: 59, 76), with 12% of patients achieving full responses. The dosage escalation cohort and Cohort A had a median DoR of 22 months (interquartile range: 1+ to 46+), while Cohort K did not reach the median DoR (interquartile range: 1 to 24+).

Increased glucose, increased aspartate aminotransferase, rash, decreased haemoglobin, increased creatinine, peripheral neuropathy, decreased lymphocytes, fatigue, increased alanine aminotransferase, decreased sodium, increased lipase, decreased albumin, alopecia, decreased phosphate, decreased weight, diarrhoea, pruritus, decreased appetite, nausea, dysgeusia, decreased potassium, decreased sodium were the most frequent adverse reactions (>20%), along with

When combined with pembrolizumab, the recommended dose of enfortumab vedotin-ejfv is 1.25 mg/kg (up to 125 mg for patients under 100 kg), given intravenously over 30 minutes on Days 1 and 8 of a 21-day cycle until disease progression or intolerable toxicity. After receiving enfortumab vedotin on the same day, the dosage of pembrolizumab is advised to be 200 mg every three weeks or 400 mg every six weeks until the disease progresses, there is intolerable toxicity, or up to 24 months have passed.

View full prescribing information for Padcev and Keytruda. 

Dr. Nishant Mittal is a highly accomplished researcher with over 13 years of experience in the fields of cardiovascular biology and cancer research. His career is marked by significant contributions to stem cell biology, developmental biology, and innovative research techniques.

Research Highlights

Dr. Mittal's research has focused on several key areas:

1) Cardiovascular Development and Regeneration: He studied coronary vessel development and regeneration using zebrafish models1.

2) Cancer Biology: At Dartmouth College, he developed zebrafish models for studying tumor heterogeneity and clonal evolution in pancreatic cancer.
3) Developmental Biology: His doctoral work at Keio University involved identifying and characterizing medaka fish mutants with cardiovascular defects.

4) Stem Cell Research: He investigated the effects of folic acid on mouse embryonic stem cells and worked on cryopreservation techniques for hematopoietic stem cells.

Publications and Presentations

Dr. Mittal has authored several peer-reviewed publications in reputable journals such as Scientific Reports, Cardiovascular Research, and Disease Models & Mechanisms1. He has also presented his research at numerous international conferences, including the Stanford-Weill Cornell Cardiovascular Research Symposium and the Weinstein Cardiovascular Development Conference.

In summary, Dr. Nishant Mittal is a dedicated and accomplished researcher with a strong track record in cardiovascular and cancer biology, demonstrating expertise in various model systems and a commitment to advancing scientific knowledge through innovative research approaches.

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