On September 18, 2017 Roche (SIX: RO, ROG; OTCQX: RHHBY) reported that the phase III MURANO study, which evaluated Venclexta/Venclyxto (venetoclax) in combination with MabThera/Rituxan (rituximab) in people with relapsed or refractory chronic lymphocytic leukaemia (CLL), met its primary endpoint and showed a statistically significant improvement in the time people lived without their disease progressing (progression-free survival [PFS] as assessed by investigator) when treated with Venclexta/Venclyxto plus MabThera/Rituxan compared to bendamustine plus Mabthera/Rituxan (Press release, Hoffmann-La Roche, SEP 18, 2017, View Source [SID1234520551]). No new safety signals or increase in known toxicities of Venclexta/Venclyxto were observed with the treatment combination of Venclexta/Venclyxto plus Mabthera/Rituxan. Venclexta/Venclyxto (venetoclax) is being developed by AbbVie and Roche. It is jointly commercialised by AbbVie and Genentech, a member of the Roche Group, in the United States and commercialised by AbbVie outside of the United States.

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"Chronic lymphocytic leukaemia is considered incurable and becomes harder to treat with each relapse," said Sandra Horning, MD, Roche’s Chief Medical Officer and Head of Global Product Development. "This is the first study to show that Venclexta/Venclyxto plus Mabthera/Rituxan can help people with this type of leukaemia live significantly longer without their disease worsening compared to a standard-of-care regimen. We will work with health authorities to bring this potential chemotherapy-free treatment option to the people who need it as quickly as possible."

In January 2016, Roche announced that the US Food and Drug Administration (FDA) granted breakthrough therapy designation for Venclexta/Venclyxto in combination with Mabthera/Rituxan for the treatment of relapsed or refractory CLL based on promising results from the phase Ib M13-365 study. Breakthrough therapy designation is intended to expedite the development and review of medicines with early evidence of potential clinical benefit in serious or life-threatening diseases and to help ensure that patients receive access to medicines as soon as possible.

Venclexta/Venclyxto was granted accelerated approval by the FDA in April 2016 for the treatment of people with CLL with 17p deletion, as detected by an FDA approved test, who have received at least one prior therapy. The MURANO study is part of the company’s commitment in the United States to convert the current accelerated approval of Venclexta/Venclyxto to a full approval. Data from the MURANO study will be presented at an upcoming medical meeting and submitted to global health authorities.

About the MURANO Study
MURANO (NCT02005471) is a phase III open-label, international, multicentre, randomized study evaluating the efficacy and safety of Venclexta/Venclyxto in combination with Mabthera/Rituxan compared with bendamustine in combination with Mabthera/Rituxan. All treatments were of fixed duration. The study included 389 patients with relapsed or refractory CLL who had been previously treated with at least one but not more than three lines of therapy. Patients were randomly assigned in a 1:1 ratio to receive either Venclexta/Venclyxto plus Mabthera/Rituxan (Arm A) or bendamustine plus Mabthera/Rituxan (Arm B). The primary endpoint of the study is investigator-assessed PFS. Secondary endpoints include PFS assessed by independent review committee (IRC), best overall response, complete response, duration of response, overall survival, event-free survival, time to next CLL treatment and minimal residual disease (MRD) status.

About Venclexta/Venclyxto
Venclexta/Venclyxto is a small molecule designed to selectively bind and inhibit the BCL-2 protein, which plays an important role in a process called apoptosis (programmed cell death). Overexpression of the BCL-2 protein in CLL has been associated with resistance to certain therapies. It is believed that blocking BCL-2 may restore the signaling system that tells cells, including cancer cells, to self-destruct. Venclexta/Venclyxto is being developed by AbbVie and Roche. It is jointly commercialised by AbbVie and Genentech, a member of the Roche Group, in the United States and commercialised by AbbVie outside of the United States.

Together, the companies are committed to further research with Venclexta/Venclyxto, which is currently being evaluated in phase III clinical trials for the treatment of CLL, along with studies in several other types of cancers. In the United States, Venclexta has been granted four breakthrough therapy designations by the FDA: in combination with Rituxan for people with relapsed or refractory CLL; as a monotherapy for people with relapsed or refractory CLL with 17p deletion; in combination with hypomethylating agents (azacitidine or decitabine) for people with untreated acute myeloid leukemia (AML) ineligible for intensive chemotherapy; and in combination with low-dose cytarabine (LDAC) for people with untreated AML ineligible for intensive chemotherapy.

About Chronic Lymphocytic Leukaemia (CLL)
Chronic lymphocytic leukaemia (CLL) is the most common type of leukaemia in the Western world.1 CLL mainly affects men and the median age at diagnosis is about 70 years2. Worldwide, the incidence of all leukaemias is estimated to be over 350,0001 and CLL is estimated to affect around one-third of all people newly diagnosed with leukaemia.3

On September 15, 2017 Roche reported that based on emerging safety data from clinical trials evaluating pembrolizumab in combination with either lenalidomide or pomalidomide in multiple myeloma, the FDA has requested that a Phase Ib and a Phase Ib/II TECENTRIQ study be placed on partial clinical hold (Press release, Hoffmann-La Roche, SEP 15, 2017, View Source [SID1234520536]). At Roche/Genentech we remain committed to patient safety and will continue to work closely with the FDA. It is our understanding that the FDA is evaluating all ongoing blood cancer trials investigating an anti-PD1/PDL1 medicine in combination with an immunomodulatory medicine to determine if it is a class-wide (anti-PD1/PDL1) concern in multiple myeloma/blood cancers or a specific concern with certain combinations with immunomodulatory medicines.

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The two studies include cohorts evaluating TECENTRIQ in combination with an immunomodulatory medicine (IMiDs) in relapsed/refractory multiple myeloma and relapsed/refractory follicular lymphoma. While the partial clinical hold is in place, patients who are currently enrolled in these trials and are deriving clinical benefit may continue to receive treatment, but no additional patients will be enrolled. Although the trials are early and ongoing, we have not seen evidence of similar findings of increased death or serious events with the use of TECENTRIQ in combination with immunomodulatory medicines.

(Filing, 10-Q/A [Amend], Heat Biologics, SEP 15, 2017, View Source [SID1234520540])

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On September 14, 2017 Pfizer Inc. (NYSE:PFE) and Astellas Pharma Inc. (TSE: 4503, President and CEO: Yoshihiko Hatanaka, "Astellas") reported that the Phase 3 PROSPER trial evaluating XTANDI (enzalutamide) plus androgen deprivation therapy (ADT) versus ADT alone in patients with non-metastatic (M0) Castration-Resistant Prostate Cancer (CRPC) met its primary endpoint of improved metastasis-free survival (MFS) (Press release, Pfizer, SEP 14, 2017, View Source [SID1234520514]). The preliminary safety analysis of the PROSPER trial appears consistent with the safety profile of XTANDI in previous clinical trials.

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"Many prostate cancer patients who initiate androgen deprivation therapy will experience disease progression illustrated by a rising PSA level, and currently, there are no FDA-approved treatment options for patients with non-metastatic CRPC until they develop confirmed radiographic metastatic disease," said Neal Shore, M.D., director, CPI, Carolina Urologic Research Center.

Based on the results of PROSPER, the companies intend to discuss the data with global health authorities to potentially support expanding the label for XTANDI to cover all patients with CRPC.

"We are delighted with the significant results seen in the PROSPER study, showing that XTANDI plus ADT delayed clinically detectable metastases compared to ADT alone in patients with non-metastatic CRPC whose only sign of underlying disease was a rapidly rising prostate-specific antigen (PSA) level. We look forward to discussing the data with regulatory authorities," said Mace Rothenberg, M.D., chief development officer, Oncology, Pfizer Global Product Development. "XTANDI is already established as a standard of care for men with metastatic CRPC based on the results of prior studies, such as AFFIRM and PREVAIL, which demonstrated that XTANDI delayed disease progression and improved overall survival in men with clinically detectable metastatic disease."

"We want to thank the patients, family members and clinicians who participated in the PROSPER trial and helped advance the scientific understanding of the potential role for XTANDI in this prevalent disease," said Steven Benner, M.D., senior vice president and global therapeutic area head, oncology development, Astellas. "We look forward to further analyzing the detailed efficacy and safety results from PROSPER, and submitting them for presentation at an upcoming major medical meeting."

As part of Pfizer and Astellas’ ongoing commitment to the clinical development of enzalutamide in areas of greatest unmet need, the companies initiated the PROSPER trial to evaluate the potential benefits of XTANDI in men with non-metastatic CRPC, an earlier stage of prostate cancer where there are currently no FDA-approved treatment options. On June 9, 2017, the companies announced an amendment to the PROSPER protocol, which accelerated the clinical trial completion date by two years.

XTANDI is currently approved for the treatment of metastatic CRPC based on clinical data from previous studies that showed a statistically significant overall survival benefit for XTANDI versus placebo in the metastatic CRPC setting. XTANDI has been prescribed to more than 185,000 patients globally since its first approval in 2012.

About PROSPER

The Phase 3 randomized, double-blind, placebo-controlled, multi-national trial enrolled approximately 1,400 patients with non-metastatic castration-resistant prostate cancer (CRPC) at sites in the United States, Canada, Europe, South America and the Asia Pacific region. PROSPER enrolled patients with prostate cancer that had progressed, based on a rising prostate-specific antigen (PSA) level despite androgen deprivation therapy (ADT), but who had no symptoms with no prior or present evidence of metastatic disease. The primary objective of the trial was metastasis-free survival (MFS). MFS is a measure of the amount of time that passes until a cancer can be radiographically detected as having metastasized, or spread, to other parts of the body. The trial evaluated enzalutamide at a dose of 160 mg taken orally once daily plus ADT, versus placebo plus ADT. For more information on the PROSPER trial go to www.clinicaltrials.gov.

XTANDI has not yet been evaluated by the FDA for the treatment of patients with non-metastatic CRPC.

About Non-Metastatic Castration-Resistant Prostate Cancer

According to the American Cancer Society, more than 161,000 men are estimated to be diagnosed with prostate cancer in 2017.[i] Castration-resistant prostate cancer (CRPC) refers to the subset of men whose prostate cancer progresses despite androgen deprivation therapy.[ii] Non-metastatic CRPC means there is no clinically detectable evidence of the cancer spreading to other parts of the body (metastases), and there is a rising prostate-specific antigen (PSA) level.[iii] Many men with non-metastatic CRPC will go on to develop metastatic CRPC.[iv]

About XTANDI (enzalutamide) capsules

XTANDI (enzalutamide) is 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, and inhibit androgen receptor nuclear translocation and interaction with DNA. The clinical significance of this mechanism of action (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). Additional ongoing studies, such as the ARCHES trial in metastatic hormone-sensitive prostate cancer and the EMBARK trial in non-metastatic hormone-sensitive prostate cancer, are continuing to evaluate the potential of enzalutamide to help patients in need.

Important Safety Information

Contraindications

XTANDI is not indicated for women. XTANDI can cause fetal harm and potential loss of pregnancy.

Warnings and Precautions

Seizure occurred in 0.5% of patients receiving XTANDI in clinical studies. In a study of patients with predisposing factors, seizures were reported in 2.2% of patients. See section 5.1 of the Prescribing Information for the list of predisposing factors. It is unknown whether anti-epileptic medications will prevent seizures with XTANDI. 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.

Adverse Reactions

The most common adverse reactions (≥ 10%) that occurred more commonly (≥ 2% over placebo) in the XTANDI patients from the two placebo-controlled clinical trials 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 the bicalutamide-controlled study of chemotherapy-naïve patients, the most common adverse reactions (≥ 10%) reported in XTANDI patients were asthenia/fatigue, back pain, musculoskeletal pain, hot flush, hypertension, nausea, constipation, upper respiratory tract infection, diarrhea, and weight loss.

In the placebo-controlled study of patients taking XTANDI who previously received docetaxel, 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 the placebo-controlled study of chemotherapy-naïve patients, 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. In the bicalutamide-controlled study of chemotherapy-naïve patients, Grade 3-4 adverse reactions were reported in 38.8% of XTANDI patients and 37.6% of bicalutamide patients. Discontinuations due to adverse events were reported for 7.6% of XTANDI patients and 6.3% of bicalutamide patients.

Lab Abnormalities: In the two placebo-controlled trials, 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 the study of patients taking XTANDI who previously received docetaxel, 1% of XTANDI patients compared to 0.3% of placebo patients died from infections or sepsis. In the study of chemotherapy-naïve patients, 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 in the two placebo-controlled trials. 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 in the two placebo-controlled trials. No patients experienced hypertensive crisis. Medical history of hypertension was balanced between arms. Hypertension led to study discontinuation in < 1% of patients in each arm.

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 co-administration 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.

Please see Full Prescribing Information for additional safety information.

On September 14, 2017 Halozyme Therapeutics, Inc. (NASDAQ: HALO) reported it licensed its ENHANZE drug-delivery technology to Roche for exclusive development of an undisclosed therapeutic target (Press release, Halozyme, SEPT 14, 2017, View Source [SID1234527667]).

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Under terms of the agreement, Halozyme will receive an initial $30 million with the potential to earn additional payments of up to $160 million subject to achievement of specified development, regulatory and sales-based milestones. Halozyme will also receive tiered, mid-single digit royalties on sales of commercialized products.

"We are pleased to broaden our longstanding collaboration with Roche to include selection of a new target," said Dr. Helen Torley, president and CEO. "With each new licensing agreement, we see the potential for our global partners to advance their innovative therapies, reducing the treatment burden for patients, caregivers and payers through shorter administration times or a less frequent dosing regimen."

The Halozyme/Roche relationship dates back to the original global collaboration and licensing agreement for the ENHANZE technology signed in 2006. From this agreement, Roche developed two subcutaneous formulations of cancer drugs for markets worldwide. More recently, the relationship expanded to include the study of Halozyme’s investigational oncology drug, PEGPH20, with atezolizumab as part of a clinical collaboration announced in 2016.

The Halozyme ENHANZE technology is based on a proprietary recombinant human hyaluronidase enzyme (rHuPH20) that temporarily degrades hyaluronan — a glycosaminoglycan or chain of natural sugars in the body — to aid in the dispersion and absorption of other injected therapeutic drugs. For Halozyme partners, this technology may allow for more rapid delivery of injectable medications through subcutaneous delivery.

About ENHANZE Technology
Halozyme’s proprietary ENHANZE drug-delivery technology is based on its patented recombinant human hyaluronidase enzyme (rHuPH20). rHuPH20 has been shown to remove traditional limitations on the volume of biologics that can be delivered subcutaneously (just under the skin). By using rHuPH20, some biologics and compounds that are administered intravenously may instead be delivered subcutaneously. ENHANZE may also benefit subcutaneous biologics by reducing the need for multiple injections. This delivery has been shown in studies to reduce health care practitioner time required for administration and shorten time for drug administration.