Amgen today announced the first presentation of AMG 757 Phase 1 clinical safety and efficacy data in relapsed or refractory small cell lung cancer . AMG 757 is an investigational half-life extended bispecific T cell engager molecule targeting delta-like ligand 3 . The DLL3 protein is overexpressed on the cell surface of SCLC tumors and minimally expressed in normal tissues. 1 Data will be featured during a live oral …
– Amgen (NASDAQ: AMGN) today announced the first presentation of AMG 757 Phase 1 clinical safety and efficacy data in relapsed or refractory small cell lung cancer (SCLC). AMG 757 is an investigational half-life extended (HLE) bispecific T cell engager (BiTE ® ) molecule targeting delta-like ligand 3 (DLL3). The DLL3 protein is overexpressed on the cell surface of SCLC tumors and minimally expressed in normal tissues. 1 Data will be featured during a live oral presentation on Nov. 12 at the Society for Immunotherapy of Cancer’s (SITC) 35 th Annual Meeting being held virtually.
“These AMG 757 proof of concept data in small cell lung cancer and the recently presented AMG 160 data in prostate cancer provide encouraging evidence of the BiTE platform’s clinical activity in solid tumors,” said David M. Reese , M.D., executive vice president of Research and Development at Amgen. “AMG 757 is a half-life extended BiTE immuno-oncology molecule targeting DLL3, which is an attractive target due to its differential expression in small cell lung cancer. Small cell lung cancer is a large unmet medical need globally, and yet treatment options have not advanced significantly in decades.”
This interim analysis of the Phase 1 dose escalation study evaluated 40 patients with relapsed/refractory SCLC at a dose of up to 10 mg every two weeks. In this study, AMG 757 demonstrated an acceptable safety profile and showed preliminary evidence of anti-tumor activity. Among 38 patients with evaluable disease, 16% (6) had confirmed partial response, 29% (11) had stable disease, and 3% (1) had unconfirmed partial response. Five of the six responses are on-going with a median follow-up of 8.8 months. The maximum tolerated dose for AMG 757 has not been reached and dosing optimization is ongoing.
Cytokine release syndrome (CRS) was the most common treatment-related adverse event (AE) reported in 43% (17) of patients. All CRS events were grade 1 (30%) or 2 (13%), typically occurred in cycle 1, and did not recur in subsequent cycles. All CRS events were reversible, manageable, and did not lead to treatment interuptions or discontinations.
“Small cell lung cancer is an aggressive cancer resulting in poor prognosis for patients. Current platinum-based chemotherapy and immunotherapy options have limited benefit in patients with small cell lung cancer, leaving patients in need of novel therapeutic options,” said Hossein Borghaei , DO, MS, chief of thoracic medical oncology at Fox Chase Cancer Center. “These early data of AMG 757 are encouraging for a BiTE immuno-oncology molecule that targets DLL3 in small cell lung cancer.”
Additional Data Presentations
Data on IMLYGIC ® (talimogene laherparepvec) will be featured during an oral presentation. Data on AMG 404, AMG 160, and AMG 509 will be presented as poster presentations. More information can be found on the SITC website here .
About BiTE ® Technology
BiTE ® (bispecific T cell engager) technology is a targeted immuno-oncology platform that is designed to engage patient’s own T cells to any tumor-associated antigen, activating the cytotoxic potential of T cells to eliminate detectable cancer. The BiTE immuno-oncology platform has the potential to treat different tumor types through tumor-associated antigens. The BiTE platform has a goal of leading to off-the-shelf solutions, which have the potential to make innovative T cell treatment available to all providers when their patients need it. Amgen is advancing more than a dozen BiTE molecules across a broad range of hematologic malignancies and solid tumors, further investigating BiTE technology with the goal of enhancing patient experience and therapeutic potential. To learn more about BiTE technology, visit www.AmgenBiTETechnology.com .
About IMLYGIC ® (talimogene laherparepvec)
IMLYGIC is a genetically modified herpes simplex type 1 virus that is injected directly into tumors. IMLYGIC replicates inside tumor cells and produces GM-CSF, an immunostimulatory protein. IMLYGIC then causes the cell to rupture and die in a process called lysis. The rupture of the cancer cells causes the release of tumor-derived antigens, which together with virally derived GM-CSF may help to promote an anti-tumor immune response. The exact mechanism of action continues to be investigated.
IMLYGIC is the first and only oncolytic viral therapy approved by the U.S. Food and Drug Administration (FDA), the European Medicines Agency (EMA), and other regulatory authorities, based on therapeutic benefit demonstrated in a pivotal Phase 3 study. IMLYGIC is indicated for the local treatment of melanoma in patients with unresectable cutaneous, subcutaneous, or nodal lesions after initial surgery.
The IMLYGIC clinical program continues to investigate the role of IMLYGIC both as monotherapy and in combination with other therapies across a variety of cancers and treatment settings.
INDICATION & LIMITATIONS OF USE
IMLYGIC ® (talimogene laherparepvec) is a genetically modified oncolytic viral therapy indicated for the local treatment of unresectable cutaneous, subcutaneous, and nodal lesions in patients with melanoma recurrent after initial surgery.
Limitations of use: IMLYGIC ® has not been shown to improve overall survival or have an effect on visceral metastases.
IMPORTANT SAFETY INFORMATION
- Do not administer IMLYGIC ® to immunocompromised patients, including those with a history of primary or acquired immunodeficient states, leukemia, lymphoma, AIDS or other clinical manifestations of infection with human immunodeficiency viruses, and those on immunosuppressive therapy, due to the risk of life-threatening disseminated herpetic infection.
- Do not administer IMLYGIC ® to pregnant patients.
Warnings and Precautions
- Accidental exposure to IMLYGIC ® may lead to transmission of IMLYGIC ® and herpetic infection, including during preparation and administration. Health care providers, close contacts, pregnant women, and newborns should avoid direct contact with injected lesions, dressings, or body fluids of treated patients. The affected area in exposed individuals should be cleaned thoroughly with soap and water and/or a disinfectant.
- Caregivers should wear protective gloves when assisting patients in applying or changing occlusive dressings and observe safety precautions for disposal of used dressings, gloves, and cleaning materials. Exposed individuals should clean the affected area thoroughly with soap and water and/or a disinfectant.
- To prevent possible inadvertent transfer of IMLYGIC ® to other areas of the body, patients should be advised to avoid touching or scratching injection sites or occlusive dressings.
- Herpetic infections: Herpetic infections (including cold sores and herpetic keratitis) have been reported in IMLYGIC ® -treated patients. Disseminated herpetic infection may also occur in immunocompromised patients. Patients who develop suspicious herpes-like lesions should follow standard hygienic practices to prevent viral transmission.
- Patients or close contacts with suspected signs or symptoms of a herpetic infection should contact their health care provider to evaluate the lesions. Suspected herpetic lesions should be reported to Amgen at 1-855-IMLYGIC (1-855-465-9442). Patients or close contacts have the option of follow-up testing for further characterization of the infection.
- IMLYGIC ® is sensitive to acyclovir. Acyclovir or other antiviral agents may interfere with the effectiveness of IMLYGIC ® . Consider the risks and benefits of IMLYGIC ® treatment before administering antiviral agents to manage herpetic infection.
- Injection Site Complications: Necrosis or ulceration of tumor tissue may occur during IMLYGIC ® treatment. Cellulitis and systemic bacterial infection have been reported in clinical studies. Careful wound care and infection precautions are recommended, particularly if tissue necrosis results in open wounds.
- Impaired healing at the injection site has been reported. IMLYGIC ® may increase the risk of impaired healing in patients with underlying risk factors (e.g., previous radiation at the injection site or lesions in poorly vascularized areas). If there is persistent infection or delayed healing of the injection site, consider the risks and benefits of continuing treatment.
- Immune-Mediated events including glomerulonephritis, vasculitis, pneumonitis, worsening psoriasis, and vitiligo have been reported in patients treated with IMLYGIC ® . Consider the risks and benefits of IMLYGIC ® before initiating treatment in patients who have underlying autoimmune disease or before continuing treatment in patients who develop immune-mediated events.
- Plasmacytoma at the Injection Site: Plasmacytoma in proximity to the injection site has been reported in a patient with smoldering multiple myeloma after IMLYGIC ® administration in a clinical study. Consider the risks and benefits of IMLYGIC ® in patients with multiple myeloma or in whom plasmacytoma develops during treatment.
- Obstructive Airway Disorder: Obstructive airway disorder has been reported following IMLYGIC ® treatment. Use caution when injecting lesions close to major airways.
- The most commonly reported adverse drug reactions (≥ 25%) in IMLYGIC ® -treated patients were fatigue, chills, pyrexia, nausea, influenza-like illness, and injection site pain. Pyrexia, chills, and influenza-like illness can occur at any time during IMLYGIC ® treatment, but were more frequent during the first 3 months of treatment.
The most common Grade 3 or higher adverse reaction was cellulitis. Please see www.Imlygic.com for full Prescribing Information, including Medication Guide.
About Amgen Oncology
Amgen Oncology is searching for and finding answers to incredibly complex questions that will advance care and improve lives for cancer patients and their families. Our research drives us to understand the disease in the context of the patient’s life – not just their cancer journey – so they can take control of their lives.
For the last four decades, we have been dedicated to discovering the firsts that matter in oncology and to finding ways to reduce the burden of cancer. Building on our heritage, Amgen continues to advance the largest pipeline in the Company’s history, moving with great speed to advance those innovations for the patients who need them.
At Amgen, we are driven by our commitment to transform the lives of cancer patients and keep them at the center of everything we do.
For more information, follow us on www.twitter.com/amgenoncology .
Amgen is committed to unlocking the potential of biology for patients suffering from serious illnesses by discovering, developing, manufacturing and delivering innovative human therapeutics. This approach begins by using tools like advanced human genetics to unravel the complexities of disease and understand the fundamentals of human biology.
Amgen focuses on areas of high unmet medical need and leverages its expertise to strive for solutions that improve health outcomes and dramatically improve people’s lives. A biotechnology pioneer since 1980, Amgen has grown to be one of the world’s leading independent biotechnology companies, has reached millions of patients around the world and is developing a pipeline of medicines with breakaway potential.
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CONTACT: Amgen, Thousand Oaks
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- Saunders LR, et al. Sci Transl Med 2015;7:302ral36.
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