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https://www.readbyqxmd.com/read/28533473/u-s-food-and-drug-administration-approval-summary-pembrolizumab-for-the-treatment-of-recurrent-or-metastatic-head-and-neck-squamous-cell-carcinoma-with-disease-progression-on-or-after-platinum-containing-chemotherapy
#1
Erin Larkins, Gideon M Blumenthal, Weishi Yuan, Kun He, Rajeshwari Sridhara, Sriram Subramaniam, Hong Zhao, Chao Liu, Jingyu Yu, Kirsten B Goldberg, Amy E McKee, Patricia Keegan, Richard Pazdur
On August 5, 2016, the U.S. Food and Drug Administration granted accelerated approval to pembrolizumab (KEYTRUDA injection, Merck Sharp & Dohme Corp., Kenilworth, NJ) for treatment of patients with recurrent or metastatic head and neck squamous cell carcinoma (HNSCC) with disease progression on or after platinum-containing chemotherapy. Approval was based on the objective response rate (ORR) and duration of response (DoR) in a cohort of patients in a nonrandomized multi-cohort trial (KEYNOTE-012) that included 174 patients with recurrent or metastatic HNSCC who had disease progression on or after platinum-containing chemotherapy...
May 22, 2017: Oncologist
https://www.readbyqxmd.com/read/28528510/immunogenomics-using-genomics-to-personalize-cancer-immunotherapy
#2
Rance C Siniard, Shuko Harada
While the use of genomic data has the potential to revolutionize patient care, there is still much work to be done with regard to the transformation of host-tumor interactions into favorable clinical outcomes for our patients. High-throughput technologies, such as next-generation sequencing (NGS), have rapidly advanced our understanding of oncology, and we are learning that most tumors do not simply possess consistently mutated genes that are responsible for tumorigenesis, facilitating the need for personalized cancer therapy...
May 20, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28247187/development-of-novel-immunopet-tracers-to-image-human-pd-1-checkpoint-expression-on-tumor-infiltrating-lymphocytes-in-a-humanized-mouse-model
#3
Arutselvan Natarajan, Aaron T Mayer, Robert E Reeves, Claude M Nagamine, Sanjiv Sam Gambhir
PURPOSE: It is well known that cancers exploit immune checkpoints (programmed death 1 receptor (PD-1) and its ligand (PD-L1)) to evade anti-tumor immune responses. Although immune checkpoint (IC) blockade is a promising approach, not all patients respond. Hence, imaging of tumor-infiltrating lymphocytes (TILs) is of high specific interest, as they are known to express PD-1 during activation and subsequent exhaustion in the tumor microenvironment and are thought to be potentially predictive of therapeutic responses to IC blockade...
February 28, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28235882/fda-approval-summary-accelerated-approval-of-pembrolizumab-for-second-line-treatment-of-metastatic-melanoma
#4
Meredith K Chuk, Jennie T Chang, Marc R Theoret, Emmanuel Sampene, Kun He, Shawna L Weis, Whitney S Helms, Runyan Jin, Hongshan Li, Jingyu Yu, Hong Zhao, Liang Zhao, Mark Paciga, Deborah Schmiel, Rashmi Rawat, Patricia Keegan, Richard Pazdur
On September 4, 2014, FDA approved pembrolizumab (KEYTRUDA, Merck Sharp & Dohme Corp.) with a recommended dose of 2 mg/kg every 3 weeks by intravenous infusion for the treatment of patients with unresectable or metastatic melanoma who have progressed following ipilimumab and, if BRAF V600 mutation positive, a BRAF inhibitor. Approval was based on demonstration of objective tumor responses with prolonged response durations in 89 patients enrolled in a randomized, multicenter, open-label, dose-finding, and activity-estimating Phase 1 trial...
February 24, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28179454/fda-approval-summary-pembrolizumab-for-the-treatment-of-patients-with-unresectable-or-metastatic-melanoma
#5
Amy Barone, Maitreyee Hazarika, Marc R Theoret, Pallavi Mishra-Kalyani, Huanyu Chen, Kun He, Rajeshwari Sridhara, Sriram Subramaniam, Elimika Pfuma, Yaning Wang, Hongshan Li, Hong Zhao, Jeanne Fourie Zirkelbach, Patricia Keegan, Richard Pazdur
On December 18, 2015, the U.S. Food and Drug Administration (FDA) granted regular approval to pembrolizumab (KEYTRUDA®; Merck Sharp & Dohme Corp.) for treatment of patients with unresectable or metastatic melanoma, based on results of two randomized, open-label, active-controlled clinical trials. In Trial PN006, 834 patients with ipilimumab-naïve metastatic melanoma were randomized (1:1:1) to pembrolizumab 10 mg/kg intravenously (IV) every 2 (q2w) or 3 (q3w) weeks until disease progression or ipilimumab 3 mg/kg q3w for up to four doses...
February 8, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28121547/oncology-pharma-costs-to-exceed-150-billion-by-2020
#6
(no author information available yet)
Worldwide costs of oncology drugs will rise above $150 billion by 2020, according to a report by the IMS Institute for Healthcare Informatics. Many factors are in play, according to IMS, including the new wave of expensive immunotherapies. Pembrolizumab (Keytruda), priced at $150,000 per year per patient, and nivolumab (Opdivo), priced at $165,000, may be harbingers of the market for cancer immunotherapies.
October 2016: Managed Care
https://www.readbyqxmd.com/read/28118650/pembrolizumab-keytruda-for-first-line-treatment-of-metastatic-nsclc
#7
REVIEW
(no author information available yet)
No abstract text is available yet for this article.
January 30, 2017: Medical Letter on Drugs and Therapeutics
https://www.readbyqxmd.com/read/28025978/immune-targets-and-neoantigens-for-cancer-immunotherapy-and-precision-medicine
#8
REVIEW
Rong-Fu Wang, Helen Y Wang
Harnessing the immune system to eradicate malignant cells is becoming a most powerful new approach to cancer therapy. FDA approval of the immunotherapy-based drugs, sipuleucel-T (Provenge), ipilimumab (Yervoy, anti-CTLA-4), and more recently, the programmed cell death (PD)-1 antibody (pembrolizumab, Keytruda), for the treatment of multiple types of cancer has greatly advanced research and clinical studies in the field of cancer immunotherapy. Furthermore, recent clinical trials, using NY-ESO-1-specific T cell receptor (TCR) or CD19-chimeric antigen receptor (CAR), have shown promising clinical results for patients with metastatic cancer...
January 2017: Cell Research
https://www.readbyqxmd.com/read/27739129/anti-pd1-induced-psoriasis-a-study-of-21-patients
#9
Julie Bonigen, Christine Raynaud-Donzel, José Hureaux, Nora Kramkimel, Astrid Blom, Géraldine Jeudy, Anne-Laure Breton, Thomas Hubiche, Christophe Bedane, Delphine Legoupil, Anne Pham-Ledard, Julie Charles, Maurice Pérol, Emilie Gérard, Patrick Combemale, Daphné Bonnet, Michèle-Léa Sigal, Emmanuel Mahé
Nivolumab (Opdivo(®) ), pembrolizumab (Keytruda(®) ), atezolizumab, and pidilizumabab are anti-PD1 monoclonal antibodies. Nivolumab is licensed in advanced melanoma and second-line therapy of advanced or metastatic non-small cell lung cancer. When activated, the programmed cell death (PD)-1 is implicated in the inhibition of the immune system. Anti-PD1 removes this inhibition and allows the immune system to control tumour cell progression.(1-4) Immune-mediated toxicity of this treatment have been reported, either organ-specific toxicities - i...
October 14, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27398650/pembrolizumab-keytruda
#10
Gerry Kwok, Thomas C C Yau, Joanne W Chiu, Eric Tse, Yok-Lam Kwong
The programmed cell death protein 1 (PD1) is one of the checkpoints that regulates the immune response. Ligation of PD1 with its ligands PDL1 and PDL2 results in transduction of negative signals to T-cells. PD1 expression is an important mechanism contributing to the exhausted effector T-cell phenotype. The expression of PD1 on effector T-cells and PDL1 on neoplastic cells enables tumor cells to evade anti-tumor immunity. Blockade of PD1 is an important immunotherapeutic strategy for cancers. Pembrolizumab (Keytruda) is a humanized monoclonal anti-PD1 antibody that has been extensively investigated in numerous malignancies...
November 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27370898/-cancer-immunotherapy-rational-and-recent-breakthroughs
#11
REVIEW
C Granier, S Karaki, H Roussel, C Badoual, T Tran, M Anson, E Fabre, S Oudard, E Tartour
Cancer immunotherapy has occupied a marginal therapeutic option in cancer despite strong arguments documenting the role of the immune system in controlling the proliferation of cancers. The recent success of immunotherapy results from a change in the past paradigm. From now on, the goal is not only to activate the immune system against tumor, but also to take account of the immunosuppressive tumor microenvironment Among these mechanisms, negative costimulatory molecules (CTLA-4, PD-1, etc.) expressed by T cells in the tumor could explain their lack of effectiveness in inhibiting tumor growth...
October 2016: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/27183558/choroidal-metastases-from-cutaneous-melanoma
#12
Carmel L Mercado, Brian C Toy, Henry B Kistler, Darius M Moshfeghi
A 92-year-old man presented with months of progressive blurry vision, worsening acutely in his right eye. He denied pain, diplopia, or photopsias. His history was significant for multiple myeloma, prostate cancer, and malignant melanoma of his right shoulder treated with local excision. He had local recurrence with hepatic metastasis of the melanoma treated with radiation and chemotherapy. On examination, his visual acuity was counting fingers in the right eye and 20/60 in the left eye. Amsler grid testing demonstrated metamorphopsia in the right eye...
May 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/27056241/pembrolizumab-for-melanoma-safety-profile-and-future-trends
#13
Adil Daud, Prachi Nandoskar
No abstract text is available yet for this article.
June 2016: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/26846323/pembrolizumab-a-review-in-advanced-melanoma
#14
REVIEW
Emma D Deeks
Pembrolizumab (Keytruda(®)) is a humanized monoclonal antibody against programmed death receptor-1 (PD-1), a key immunoinhibitory checkpoint protein implicated in down-regulating anti-tumour immune responses. This intravenous drug is indicated for the treatment of advanced (unresectable or metastatic) melanoma, on the basis of its clinical benefit in this setting in the phase I KEYNOTE 001 trial (expansion cohorts) and the phase II and III trials, KEYNOTE 002 and 006. These studies were conducted in ipilimumab-naïve and/or ipilimumab-experienced patients and assessed varying pembrolizumab regimens administered every 2 or 3 weeks, all of which helped to determine the recommended dosage of 2 mg/kg every 3 weeks...
March 2016: Drugs
https://www.readbyqxmd.com/read/26834161/how-cancers-escape-immune-destruction-and-mechanisms-of-action-for-the-new-significantly-active-immune-therapies-helping-nonimmunologists-decipher-recent-advances
#15
REVIEW
Jonathan L Messerschmidt, George C Prendergast, Gerald L Messerschmidt
UNLABELLED: With the Food and Drug Administration and other worldwide regulatory authorities' approval of ipilimumab (Yervoy), sipuleucel-T (Provenge), nivolumab (Opdivo), and pembrolizumab (Keytruda), oncologic therapy has now moved into noncancer cell targets within the immune system. For many nonimmunologists, understanding how these vastly different therapies work to improve survival, like no other therapies have in the past, is a challenge. The present report reviews the normal function of the immune system, how cancers escape the normal immune system, and how these new therapies improve immune system reactions against cancers...
February 2016: Oncologist
https://www.readbyqxmd.com/read/26631501/pembrolizumab-for-the-treatment-of-thoracic-malignancies-current-landscape-and-future-directions
#16
REVIEW
Safiya Karim, Natasha Leighl
New insights into the interaction between the immune system and the tumor microenvironment have led to the development of checkpoint inhibitors that target the PD-1/PD-L1 pathway. Pembrolizumab (MK-3475, lambrolizumab, Keytruda(®)) is a PD-1 inhibitor that has shown clinical activity in a variety of solid tumors and is currently approved for the second-line treatment of PD-L1-positive non-small-cell lung cancer and for unresectable/metastatic melanoma. This article will discuss the results of early-phase trials of pembrolizumab in thoracic malignancies as well as ongoing studies aimed to confirm clinical benefit...
January 2016: Future Oncology
https://www.readbyqxmd.com/read/26629272/keytruda-pembrolizumab-first-pd-1-inhibitor-approved-for-previously-treated-unresectable-or-metastatic-melanoma
#17
Lisa A Raedler
No abstract text is available yet for this article.
March 2015: American Health & Drug Benefits
https://www.readbyqxmd.com/read/26308749/comprehensive-analysis-of-the-therapeutic-igg4-antibody-pembrolizumab-hinge-modification-blocks-half-molecule-exchange-in-vitro-and-in-vivo
#18
Xiaoyu Yang, Fengqiang Wang, Ying Zhang, Larry Wang, Svetlana Antonenko, Shuli Zhang, Yi Wei Zhang, Mohammad Tabrizifard, Grigori Ermakov, Derek Wiswell, Maribel Beaumont, Liming Liu, Daisy Richardson, Mohammed Shameem, Alexandre Ambrogelly
IgG4 antibodies are evolving as an important class of cancer immunotherapies. However, human IgG4 can undergo Fab arm (half molecule) exchange with other IgG4 molecules in vivo. The hinge modification by a point mutation (S228P) prevents half molecule exchange of IgG4. However, the experimental confirmation is still expected by regulatory agencies. Here, we report for the first time the extensive analysis of half molecule exchange for a hinge-modified therapeutic IgG4 molecule, pembrolizumab (Keytruda) targeting programmed death 1 (PD1) receptor that was approved for advanced melanoma...
December 2015: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/25965735/keytruda-uk-s-first-early-access-drug
#19
(no author information available yet)
No abstract text is available yet for this article.
May 2015: Nature Biotechnology
https://www.readbyqxmd.com/read/25538981/pembrolizumab-keytruda-for-metastatic-melanoma
#20
(no author information available yet)
No abstract text is available yet for this article.
November 10, 2014: Medical Letter on Drugs and Therapeutics
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