Stemline Therapeutics’ SL-401 Phase 2 BPDCN Trial Results To Be Delivered Via Oral Presentation at the American Society of Clinical Oncology (ASCO) Annual Meeting Tomorrow

On June 03, 2016 Stemline Therapeutics, Inc. (Nasdaq:STML) reported that its SL-401 Phase 2 clinical data in blastic plasmacytoid dendritic cell neoplasm (BPDCN) will be the subject of an oral presentation at the 2016 American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) annual meeting being held in Chicago, IL (Press release, Stemline Therapeutics, JUN 3, 2016, View Source [SID:1234512974]). The presentation will take place tomorrow, Saturday, June 4th, at 5 PM CT.

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Details on the ASCO (Free ASCO Whitepaper) presentation are as follows:


Title: Results from Phase 2 registration trial of SL-401 in patients with Blastic Plasmacytoid Dendritic Cell Neoplasm (BPDCN): Lead-in completed, Expansion stage ongoing
Presenter: Naveen Pemmaraju, M.D., MD Anderson Cancer Center
Abstract No.: 7006
Session: Hematologic Malignancies – Leukemia, Myelodysplastic Syndromes, and Allotransplant
Date/Time: Saturday, June 4, 2016; 5:00 – 5:12PM CT
Location: Arie Crown Theater

Ivan Bergstein, M.D., Stemline’s Chief Executive Officer, noted, "We are honored that our Phase 2 results have been selected for oral presentation at ASCO (Free ASCO Whitepaper). We believe this selection underscores the exciting clinical data we have witnessed with SL-401, and highlights the increased awareness of BPDCN, a devastating malignancy with high unmet medical need."

Dr. Bergstein concluded, "Our investigators plan to provide updated enrollment figures, response rates and duration, as well as preliminary progression-free and overall survival data from the trial. Needless to say, we continue to remain extremely excited about this program and its impressive progress. Over the remainder of the year, we look forward to providing further clinical and regulatory updates relating to SL-401 and across our entire clinical pipeline."

EISAI INC. ENTERS INTO COLLABORATION AGREEMENT TO CO-PROMOTE EISAI’S ANTICANCER AGENT LENVIMA(R) IN COMBINATION WITH EVEROLIMUS AS TREATMENT FOR ADVANCED RENAL CELL CARCINOMA IN THE UNITED STATES

On June 3, 2016 Eisai Co., Ltd. (Headquarters: Tokyo, CEO: Haruo Naito, "Eisai") reported that its U.S. subsidiary Eisai Inc. has entered into an agreement with Novartis Pharmaceuticals Corporation (Novartis), a U.S. affiliate of Novartis AG (Headquarters: Basel, Switzerland, CEO: Joseph Jimenez), to collaborate on commercial and medical affairs activities (including the provision of scientific evidence to healthcare professionals) for Eisai’s in-house developed novel anticancer agent Lenvima (lenvatinib mesylate) and the anticancer agent everolimus in the United States (Press release, Eisai, JUN 3, 2016, View Source [SID:1234512973]).

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On May 13, 2016, Eisai Inc. received approval from the U.S. Food and Drug Administration for an additional indication for Lenvima in combination with everolimus for the treatment of patients with advanced renal cell carcinoma following one prior anti-angiogenic therapy. This is the only combination regimen approved in the United States to significantly prolong progression-free survival when compared with a standard of care in patients with advanced renal cell carcinoma following prior anti-angiogenic therapy. Under the terms of the collaboration agreement, Eisai and Novartis sales representatives will promote the availability of this combination regimen to healthcare professionals in the United States. The companies will also collaborate on medical affairs activities. Each company will continue to book sales of their respective product.

The number of patients with kidney cancer in the United States is estimated to be approximately 58,0001 and renal cell carcinoma comprises more than 90% of all malignancies of the kidney.2 For advanced or metastatic renal cell carcinoma that is difficult to treat with surgery, the standard treatment is molecular targeted drug therapy, however with low 5-year survival rates, this is a disease with significant unmet medical need.

Lenvima is approved for thyroid cancer in over 40 countries including the United States, Japan, in Europe, South Korea and Canada. Lenvima is also approved in combination with everolimus for patients with advanced renal cell carcinoma in the United States. A new drug application seeking approval for an indication covering advanced or metastatic renal cell carcinoma submitted in Europe in January 2016 is under review, and Eisai intends to discuss further steps regarding submission strategies for this potential indication with the regulatory authorities in Japan.

Through this agreement, Eisai is committed to maximizing the clinical value of Lenvima in order to address the diverse needs of, and further contribute to, patients with cancer, their families and healthcare professionals.

About Lenvima (lenvatinib mesylate)
Discovered and developed in-house, Lenvima is an orally administered multiple receptor tyrosine kinase (RTK) inhibitor with a novel binding mode that selectively inhibits the kinase activities of vascular endothelial growth factor (VEGF) receptors (VEGFR1, VEGFR2 and VEGFR3) and fibroblast growth factor (FGF) receptors (FGFR1, FGFR2, FGFR3 and FGFR4) in addition to other proangiogenic and oncogenic pathway-related RTKs (including the platelet-derived growth factor (PDGF) receptor PDGFRα; KIT; and RET) involved in tumor proliferation.
Currently, Eisai has obtained approval for Lenvima as a treatment for refractory thyroid cancer in over 40 countries including the United States, Japan, in Europe, Korea and Canada, and the agent is undergoing regulatory review throughout the world including in Asia, Russia, Australia, Brazil and Mexico. Specifically, Eisai has obtained approval for the agent indicated in the United States for treatment for locally recurrent or metastatic, progressive, radioactive iodine-refractory differentiated thyroid cancer, in Japan for the treatment of unresectable thyroid cancer, and in Europe for the treatment of adult patients with progressive, locally advanced or metastatic differentiated (papillary, follicular, Hürthle cell) thyroid carcinoma (DTC), refractory to radioactive iodine, respectively.
In May 2016, Lenvima was also approved for an additional indication in the United States in combination with everolimus for the treatment of patients with advanced renal cell carcinoma following one prior anti-angiogenic therapy. A new drug application seeking approval for an indication covering advanced or metastatic renal cell carcinoma submitted in Europe in January 2016 is under review, and Eisai intends to discuss further steps regarding submission strategies for this potential indication with the regulatory authorities in Japan.
Meanwhile, Eisai is conducting clinical studies of Lenvima in several other tumor types such as hepatocellular carcinoma (Phase III), endometrial carcinoma (Phase II), biliary tract cancer (Phase II), and in combination with an immune checkpoint inhibitor (Phase Ib/II).
For further information on Lenvima in the United States, including Important Safety Information (ISI), please visit the Lenvima product website (View Source).

About Afinitor (everolimus) Tablets
Afinitor (everolimus) tablets is approved in 112 countries, including the United States and in the European Union, for locally advanced, metastatic or unresectable progressive neuroendocrine tumors (NET) of pancreatic origin. Afinitor is not indicated for the treatment of patients with functional carcinoid tumors in the United States. Afinitor is now approved by the U.S. Food and Drug Administration (FDA) for the treatment of adult patients with progressive, well-differentiated, nonfunctional NET of gastrointestinal (GI) or lung origin that are unresectable, locally advanced or metastatic.
It is also approved in more than 120 countries including the United States and European Union for advanced renal cell carcinoma following progression on or after vascular endothelial growth factor (VEGF)-targeted therapy (in the United States, specifically following sunitinib and sorafenib).
Additionally, Afinitor is approved in more than 110 countries including the United States and European Union for advanced HR+/HER2- breast cancer in combination with exemestane, after prior endocrine therapy.
Everolimus is also available from Novartis for use in certain non-oncology patient populations under the brand names Afinitor or Votubia, Certican and Zortress and is exclusively licensed to Abbott and sublicensed to Boston Scientific for use in drug-eluting stents.
Indications vary by country and not all indications are available in every country. The safety and efficacy profile of everolimus has not yet been established outside the approved indications. Because of the uncertainty of clinical trials, there is no guarantee that everolimus will become commercially available for additional indications anywhere else in the world.

Important Safety Information about Afinitor (everolimus) tablets
Afinitor/Votubia can cause serious side effects including lung or breathing problems, infections (including sepsis), and kidney failure, which can lead to death. Patients taking concomitant angiotensin-converting enzyme (ACE) inhibitors may be at an increased risk for angioedema. Mouth ulcers and mouth sores are common side effects. Afinitor/Votubia can affect blood cell counts, kidney and liver function, and blood sugar, cholesterol, and triglyceride levels. Afinitor/Votubia may cause fetal harm in pregnant women. Highly effective contraception is recommended for women of child-bearing potential while receiving Afinitor/Votubia and for up to eight weeks after ending treatment. Women taking Afinitor/Votubia should not breast feed. Fertility in women and men may be affected by treatment with Afinitor/Votubia.
The most common adverse drug reactions (incidence ≥10 percent) are infections (including sore throat and runny nose, upper respiratory tract infection, pneumonia, sinusitis, and urinary tract infection), mouth ulcers, skin rash, feeling tired, diarrhea, fever, vomiting, nausea, cough, decreased appetite, low level of red blood cells, headache, abnormal taste, absence of menstrual periods, acne, inflammation of lung tissue, irregular menstrual periods, swelling of extremities or other parts of the body, high level of blood sugar, feeling weak, itching, weight loss, high levels of cholesterol, and nose bleeds. The most common Grade 3-4 adverse drug reactions (incidence ≥2 percent) are mouth ulcers, infections (including pneumonia), low level of red blood cells, high level of blood sugar, feeling tired, absence of menstrual periods, diarrhea, low white blood cells, inflammation of lung tissue, feeling weak, fever, and spontaneous bleeding or bruising. Cases of hepatitis B reactivation, blood clots in the lung or legs, and pneumocystis jirovecii pneumonia (PJP) have been reported. Abnormalities were observed in hematology and clinical chemistry laboratory tests.

Afinitor, Votubia, Certican and Zortress are registered trademarks of Novartis AG, or its affiliates.

About Study 2053
The U.S. Food and Drug Administration’s approval of the additional indication for Lenvima in combination with everolimus for the treatment of patients with advanced renal cell carcinoma following one prior anti-angiogenic therapy in the United States was based on the results of Study 205. Study 205 was a multicenter, randomized, open-label study of the combination of Lenvima (18 mg) plus everolimus (5 mg), Lenvima alone (24 mg), and everolimus alone (10 mg) in patients with unresectable advanced or metastatic renal cell carcinoma following one prior VEGF-targeted therapy, and was conducted in Europe and the United States. 153 patients were randomized in a 1:1:1 ratio to one of three treatment arms to compare the efficacy and safety of these three regimens.
From the results of the study, the combination of Lenvima plus everolimus group demonstrated a significant extension in the study’s primary endpoint of progression free survival (PFS) compared to the everolimus alone group (median PFS for the Lenvima plus everolimus group: 14.6 months vs median PFS for the everolimus alone group: 5.5 months; Hazard Ratio (HR) 0.40 [95% CI: 0.24-0.68], p=0.0005). Additionally, median PFS for the Lenvima alone group was 7.4 months, demonstrating an extension in PFS compared to the everolimus alone group (HR: 0.61 [95% CI: 0.38-0.98]).
The study also assessed objective response rate (ORR) and overall survival (OS) as secondary endpoints. Regarding ORR, both the Lenvima plus everolimus group and the Lenvima alone group showed an improvement in ORR compared to the everolimus alone group (Lenvima plus everolimus: 43%, Lenvima alone: 27%, everolimus alone: 6%). Furthermore, regarding OS, an updated analysis carried out in December 2014 suggested that Lenvima plus everolimus extends OS compared to everolimus alone (HR 0.51 [95% CI=0.30-0.88]).
The most common treatment-emergent adverse events (TEAEs) reported in the lenvatinib plus everolimus group were diarrhea, decreased appetite and fatigue. The most common TEAEs of Grade 3 or higher were diarrhea, hypertension and fatigue.

About Renal Cell Carcinoma
The number of patients with renal cancer was estimated to be approximately 338,000 worldwide, including approximately 58,000 in the United States, 115,000 in Europe and 17,000 in Japan.1 Renal cell carcinoma comprises more than 90% of all malignancies of the kidney,2 and occurs when malignant cells are found in the lining of the tubules of the kidney. The incidence of renal cell carcinoma in people aged in their late 50s is rising, and is more likely to affect men than women. For advanced or metastatic renal cell carcinoma that is difficult to treat with surgery, the standard treatment method is molecular targeted drug therapy, however with low 5-year survival rates, this is a disease with significant unmet medical need.

Phase 2, Parellel-Arm Study of Receptor Tyrosine Kinase (RTK) Inhibitor MGCD265 in Patients with Advanced or Metastatic Non-Small Cell Lung Cancer (NSCLC) with Activating Genetic Alterations in Mesenchymal-Epithelial Transition Factor (MET)

Phase 2, Parellel-Arm Study of Receptor Tyrosine Kinase (RTK) Inhibitor MGCD265 in Patients with Advanced or Metastatic Non-Small Cell Lung Cancer (NSCLC) with Activating Genetic Alterations in Mesenchymal-Epithelial Transition Factor (MET)"

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argenx announces efficacy and expanded safety data from Phase 1 trial of ARGX-111

On June 2, 2016 Argenx (Euronext Brussels: ARGX), a clinical-stage biopharmaceutical company focused on creating and developing differentiated therapeutic antibodies to treat cancer and severe autoimmune diseases, reported data published in conjunction with the American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) 2016 Annual Meeting (Chicago, USA) presenting efficacy and safety data from its ARGX-111 Phase 1 expansion study in patients with MET amplified tumors (Press release, arGEN-X, JUN 2, 2016, View Source [SID:1234512983]). The data confirm ARGX-111 to have a favorable safety profile and to continue to show signs of anti-tumor activity. The abstract can be accessed here.

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In addition, data from preclinical studies demonstrate depletion of MET-positive myeloid-derived suppressor cells (MDSCs) by ARGX-111. These data provide an exciting new perspective for therapeutic intervention in MET cancer biology in targeting both the tumor cells and the tumor microenvironment.

About ARGX-111

ARGX-111 is a Met-targeting human monoclonal SIMPLE Antibody that modulates all known mechanisms of action of the receptor. ARGX-111 benefits from POTELLIGENT-enhanced Antibody Dependent Cellular Cytotoxicity (ADCC), which drives the immune system to destroy
c-MET positive cells of the primary tumor and the circulating tumor cells that are responsible for metastasis; and from NHance, which is thought to drive tissue penetration. This unique combination results in a potentially best-in-class drug candidate for c-Met therapies. ARGX-111 is tested in a Phase 1 safety expansion cohort in MET-amplified patients.

ASTELLAS AND MEDIVATION INITIATE PHASE III TRIAL OF ENZALUTAMIDE IN PATIENTS WITH TRIPLE-NEGATIVE BREAST CANCER

On JUNE 2, 2016 Astellas Pharma Inc. (TSE: 4503) and Medivation, Inc. (NASDAQ: MDVN) reported plans to commence a Phase III clinical trial to investigate the use of enzalutamide for the treatment of triple-negative breast cancer (TNBC) (Press release, Astellas, JUN 2, 2016, View Source [SID:1234512971]). The ENDEAR (A Phase III, Randomized, International Study Comparing the Efficacy and Safety of ENzalutamiDe in Combination With PaclitaxEl Chemotherapy or as Monotherapy Versus Placebo With Paclitaxel in Patients With Advanced, Diagnostic-Positive, Triple-Negative BReast Cancer) trial will evaluate the efficacy and safety of enzalutamide in combination with paclitaxel chemotherapy or as monotherapy versus placebo with paclitaxel in patients with locally advanced or metastatic TNBC whose tumors test positive for a novel gene expression profile, which is referred to as diagnostic-positive TNBC. The trial, which will be led by Medivation, is expected to begin patient enrollment in the fourth quarter of 2016.

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In the United States, breast cancer is one of the most commonly diagnosed cancers and the second leading cause of cancer deaths in women. According to the American Cancer Society, approximately 246,000 new cases of breast cancer will be diagnosed in women and 40,000 women will die of breast cancer in 2016.1 Approximately 15-20 percent of breast cancers are triple negative or basal-like, the subtype that the ENDEAR trial will study.2 Patients with TNBC have a poor prognosis3 and there are currently no therapies specifically approved to treat this patient population.

"Our initiation of this trial represents our commitment to explore the potential of enzalutamide in patients with advanced TNBC," said Mohammad Hirmand, M.D., interim chief medical officer, Medivation.

"The initiation of the ENDEAR trial reflects our ongoing commitment to investigate the full clinical utility of enzalutamide," said Claire Thom, Pharm D., senior vice president and oncology therapeutic area head, Astellas. 2

Enzalutamide, which is known by the brand name XTANDI, is not approved for use in patients with TNBC.

About ENDEAR
ENDEAR will be a Phase III, randomized, international trial, enrolling approximately 780 patients with advanced diagnostic-positive TNBC who have received either no or one prior line of systemic therapy for advanced disease. The primary efficacy endpoint is progression-free survival (PFS), defined as the time from randomization to the first evidence of disease progression or death, whichever occurs first. The trial will evaluate enzalutamide at a dose of 160 mg per day taken orally, either with paclitaxel (90 mg/m2 ) administered intravenously once weekly for 16 weeks (or longer at investigator discretion), or as monotherapy compared to placebo with paclitaxel.
About XTANDI
(enzalutamide) capsules XTANDI (enzalutamide) capsules are an androgen receptor inhibitor that blocks multiple steps in the androgen receptor signaling pathway within the tumor cell. In preclinical studies, enzalutamide has been shown to competitively inhibit androgen binding to androgen receptors as well as inhibit androgen receptor nuclear translocation and interaction with DNA. The clinical significance of this MOA is unknown.

XTANDI is approved by the U.S. Food and Drug Administration for the treatment of patients with metastatic castration-resistant prostate cancer (mCRPC).

Important Safety Information

Contraindications XTANDI is not indicated for women and is contraindicated in women who are or may become pregnant. XTANDI can cause fetal harm when administered to a pregnant woman.
Warnings and Precautions
Seizure In Study 1, conducted in patients with metastatic castration-resistant prostate cancer (CRPC) who previously received docetaxel, seizure occurred in 0.9% of XTANDI patients and 0% of placebo patients. In Study 2, conducted in patients with chemotherapy-naive metastatic CRPC, seizure occurred in 0.1% of XTANDI patients and 0.1% of placebo patients. There is no clinical trial experience re-administering XTANDI to patients who experienced a seizure, and limited safety data are available in patients with predisposing factors for seizure. Study 1 excluded the use of concomitant medications that may lower threshold; Study 2 permitted the use of these medications. Because of the risk of seizure associated with XTANDI use, patients should be advised of the risk of engaging in any activity during which sudden loss of consciousness could cause serious harm to themselves or others. Permanently discontinue XTANDI in patients who develop a seizure during treatment.

Posterior Reversible Encephalopathy Syndrome (PRES) In post approval use, there have been reports of PRES in patients receiving XTANDI. PRES is a neurological disorder which can present with rapidly evolving symptoms including seizure, headache, lethargy, confusion, blindness, and other visual and neurological disturbances, with or without associated hypertension. A diagnosis of PRES requires confirmation by brain imaging, preferably MRI. Discontinue XTANDI in patients who develop PRES. 3

Adverse Reactions The most common adverse reactions (≥ 10%) reported from two combined clinical studies that occurred more commonly (≥ 2% over placebo) in XTANDI patients were asthenia/fatigue, back pain, decreased appetite, constipation, arthralgia, diarrhea, hot flush, upper respiratory tract infection, peripheral edema, dyspnea, musculoskeletal pain, weight decreased, headache, hypertension, and dizziness/vertigo.

In Study 1, Grade 3 and higher adverse reactions were reported among 47% of XTANDI patients and 53% of placebo patients. Discontinuations due to adverse events were reported for 16% of XTANDI patients and 18% of placebo patients. In Study 2, Grade 3-4 adverse reactions were reported in 44% of XTANDI patients and 37% of placebo patients. Discontinuations due to adverse events were reported for 6% of both study groups.

• Lab Abnormalities: Grade 1-4 neutropenia occurred in 15% of XTANDI patients (1% Grade 3-4) and 6% of placebo patients (0.5% Grade 3-4). Grade 1-4 thrombocytopenia occurred in 6% of XTANDI patients (0.3% Grade 3-4) and 5% of placebo patients (0.5% Grade 3-4). Grade 1-4 elevations in ALT occurred in 10% of XTANDI patients (0.2% Grade 3-4) and 16% of placebo patients (0.2% Grade 3-4). Grade 1-4 elevations in bilirubin occurred in 3% of XTANDI patients (0.1% Grade 3-4) and 2% of placebo patients (no Grade 3-4).

• Infections: In Study 1, 1% of XTANDI patients compared to 0.3% of placebo patients died from infections or sepsis. In Study 2, 1 patient in each treatment group (0.1%) had an infection resulting in death.

• Falls (including fall-related injuries), occurred in 9% of XTANDI patients and 4% of placebo patients. Falls were not associated with loss of consciousness or seizure. Fall-related injuries were more severe in XTANDI patients, and included non-pathologic fractures, joint injuries, and hematomas.

• Hypertension occurred in 11% of XTANDI patients and 4% of placebo patients. No patients experienced hypertensive crisis. Medical history of hypertension was balanced between arms. Hypertension led to study discontinuation in < 1% of all patients.

Drug Interactions

Effect of Other Drugs on XTANDI Avoid strong CYP2C8 inhibitors, as they can increase the plasma exposure to XTANDI. If co-administration is necessary, reduce the dose of XTANDI. Avoid strong CYP3A4 inducers as they can decrease the plasma exposure to XTANDI. If coadministration is necessary, increase the dose of XTANDI.

Effect of XTANDI on Other Drugs Avoid CYP3A4, CYP2C9, and CYP2C19 substrates with a narrow therapeutic index, as XTANDI may decrease the plasma exposures of these drugs. If XTANDI is co-administered with warfarin (CYP2C9 substrate), conduct additional INR monitoring.

For Full Prescribing Information for XTANDI (enzalutamide) capsules, please visit View Source

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1‐800‐FDA‐1088.