JNJ-64041757 (JNJ-757), a Live, Attenuated, Double-Deleted Listeria monocytogenes-Based Immunotherapy in Patients With NSCLC: Results From Two Phase 1 Studies.

INTRODUCTION: JNJ-64041757 (JNJ-757) is a live, attenuated, double-deleted Listeria monocytogenes-based immunotherapy expressing human mesothelin. JNJ-757 was evaluated in patients with advanced NSCLC as monotherapy (phase 1) and in combination with nivolumab (phase 1b/2). METHODS: Patients with stage IIIB/IV NSCLC who had received previous therapy were treated with JNJ-757 (1 × 108 or 1 × 109 colony-forming units [CFUs]) alone (NCT02592967) or JNJ-757 (1 × 109 CFU) plus intravenous nivolumab 240 mg (NCT03371381). Study objectives included the assessment of immunogenicity, safety, and efficacy. RESULTS: In the monotherapy study, 18 patients (median age 63.5 y; women 61%) were treated with JNJ-757 (1 × 108 or 1 × 109 CFU) with a median duration of 1.4 months (range: 0-29). The most common adverse events (AEs) were pyrexia (72%) and chills (61%), which were usually mild and resolved within 48 hours. Peripheral proinflammatory cytokines and lymphocyte activation were induced posttreatment with transient mesothelin-specific T-cell responses in 10 of 13 biomarker-evaluable patients. With monotherapy, four of 18 response-evaluable patients had stable disease of 16 or more weeks, including one patient with a reduction in target lesions. In the combination study, 12 patients were enrolled (median age 63.5 y; women 33%). The most common AEs with combination therapy were pyrexia (67%) and chills (58%); six patients had grade 3 AEs or greater, including two cases of treatment-related fatal pneumonitis. The best overall response for the combination was stable disease in four of nine response-evaluable patients. CONCLUSIONS: As monotherapy, JNJ-757 was immunogenic and tolerable, with mild infusion-related fever and chills. The limited efficacy of JNJ-757, alone or with nivolumab, did not warrant further investigation of the combination.

Progress in chemoprevention drug development: the promise of molecular biomarkers for prevention of intraepithelial neoplasia and cancer--a plan to move forward.

This article reviews progress in chemopreventive drug development, especially data and concepts that are new since the 2002 AACR report on treatment and prevention of intraepithelial neoplasia. Molecular biomarker expressions involved in mechanisms of carcinogenesis and genetic progression models of intraepithelial neoplasia are discussed and analyzed for how they can inform mechanism-based, molecularly targeted drug development as well as risk stratification, cohort selection, and end-point selection for clinical trials. We outline the concept of augmenting the risk, mechanistic, and disease data from histopathologic intraepithelial neoplasia assessments with molecular biomarker data. Updates of work in 10 clinical target organ sites include new data on molecular progression, significant completed trials, new agents of interest, and promising directions for future clinical studies. This overview concludes with strategies for accelerating chemopreventive drug development, such as integrating the best science into chemopreventive strategies and regulatory policy, providing incentives for industry to accelerate preventive drugs, fostering multisector cooperation in sharing clinical samples and data, and creating public-private partnerships to foster new regulatory policies and public education.

Predicting two-year longitudinal MD Anderson Dysphagia Inventory outcomes after intensity modulated radiotherapy for locoregionally advanced oropharyngeal carcinoma.

OBJECTIVES/HYPOTHESIS: To determine the factors associated with longitudinal patient-reported dysphagia as measured by the MD Anderson Dysphagia Inventory (MDADI) in locoregionally advanced oropharyngeal carcinoma (OPC) survivors treated with split-field intensity modulated radiotherapy (IMRT). STUDY DESIGN: Retrospective patient analysis. METHODS: A retrospective analysis combined data from three single-institution clinical trials for stage III/IV head and neck carcinoma. According to trial protocols, patients had prospectively collected MDADI at baseline, 6, 12, and 24 months after treatment. OPC patients with baseline and at least one post-treatment MDADI were included. Longitudinal analysis was completed with multivariate linear mixed effects modeling. RESULTS: There were 116 patients who met inclusion criteria. Mean baseline MDADI composite was 88.3, dropping to 73.8 at 6 months, and rising to 78.6 and 83.3 by 12 and 24 months, respectively (compared to baseline, all P < .0001). Tumor stage and smoking status were significant predictors of longitudinal MDADI composite scores. Patients with T1, T2, and T3 tumors had 15.9 (P = .0001), 10.9 (P = .0049), and 7.5 (P = .0615), respectively, higher mean MDADI composite than those with T4 tumors, and current smokers had a 9.4 (P = .0007) lower mean MDADI composite than never smokers. CONCLUSIONS: Patients report clinically meaningful dysphagia early after split-field IMRT for locoregionally advanced OPC that remains apparent 6 months after treatment. MDADI scores recover slowly thereafter, but remain depressed at 24 months compared to baseline. Higher tumor stage and smoking status are important markers of patient-reported function through the course of treatment, suggesting these are important groups for heightened surveillance and more intensive interventions to optimize swallowing outcomes. LEVEL OF EVIDENCE: 4 Laryngoscope, 127:842-848, 2017.

Chemoprevention of head and neck cancer: an update.

Squamous cell carcinoma of the head and neck is an important public health problem worldwide that is clearly associated with the widely accepted risk factors of tobacco smoking and alcohol use and is the end result of a multiyear, multipath disease process of progressive genetic and associated tissue damage. Chemoprevention, the use of drugs or other agents to inhibit, delay, or reverse this process, is recognized as a very promising and important area in head and neck cancer research. Chemoprevention research is based on the increasing body of knowledge of the biology underlying head and neck tumorigenesis and is expected to ultimately result in a decrease in the incidence of head and neck cancer.

Chemoprevention of head and neck cancer.

Squamous cell carcinoma of the head and neck is the most common epithelial neoplasm of the upper aerodigestive tract and represents a major health concern in the United States and worldwide. Invasive squamous cell carcinoma is the end result of a multiyear, multistep process of accumulation of genetic and phenotypic damage. Chemoprevention is defined as the use of pharmacologic or natural agents that inhibit the development of invasive cancer whether by blocking the DNA damage that initiates carcinogenesis or by arresting or reversing the progression of premalignant cells in which such damage has already occurred. Chemoprevention is widely recognized as an important area of research in head and neck cancer. This article reviews the field of chemoprevention and recent advances in molecular epidemiology and genetics. Current clinical trials are described.