Publications by authors named "Rischin D"

Aim: Cemiplimab has demonstrated significantly longer survival than physician's choice of chemotherapy in patients with recurrent cervical cancer after first-line platinum-containing chemotherapy. We report the final survival analysis from the phase III randomized study (EMPOWER-Cervical 1/GOG-3016/ENGOT-cx9).

Methods: Cemiplimab (n = 304) or chemotherapy (n = 304) were administered every 3 weeks.

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  • - The study investigates the expression of BCL-2 family proteins in nasopharyngeal carcinoma (NPC) tumors and evaluates the effectiveness of BH3 mimetics, particularly their combination with cisplatin, for cancer treatment.
  • - Results showed that BCL-2 was more commonly expressed in Epstein-Barr virus (EBV)-positive NPC tumors, but this expression did not predict overall survival outcomes.
  • - The combination treatment using S63845 and cisplatin exhibited significant anticancer effects in specific NPC cell lines, indicating potential for further research in this therapeutic approach.
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  • - The phase 2 EMPOWER-CSCC-1 study showed that cemiplimab is effective against advanced cutaneous squamous cell carcinoma (CSCC), specifically in metastatic and locally advanced cases.
  • - The study involved different treatment groups receiving either weight-based or fixed-dose cemiplimab, with a significant overall response rate (ORR) of 47.2% after 42.5 months and noted long-duration responses.
  • - While the findings are promising, the study's limitations include its nonrandomized design and the fact that the primary endpoint was not based on survival rates.
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Sexuality and sexual intimacy are important aspects of cancer survivorship. In head and neck cancer (HNC), concerns around sexual health, sexuality and sexual intimacy are infrequently raised or addressed in standard HNC consultations, either before embarking on treatment or during survivorship. The changing demographic of HNC patients, largely due to the increasing proportion of patients with human papillomavirus-associated oropharyngeal squamous cell carcinoma (HPVOPSCC), has driven renewed interest in some specific survivorship issues, including sexual behaviours and lifestyles, which may account for both the primary mode of HPV transmission and the younger and less comorbid population affected by this disease.

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The MD Anderson Dysphagia Inventory (MDADI), a measure of swallowing-related quality of life, has become the preferred patient-reported outcome measure (PROM) in contemporary clinical trials evaluating the experience of human papillomavirus-associated oropharyngeal squamous cell carcinoma (HPVOPSCC) survivors. With many potentially practice-changing studies using the MDADI composite score as either a primary or coprimary endpoint, or as a key secondary endpoint, it is important to understand its psychometric properties as judged by contemporary PROM standards, with a particular focus on its application to contemporary HPVOPSCC populations. In this critical review, we evaluate contemporary HPVOPSCC studies reporting MDADI outcomes, followed by a detailed evaluation of the psychometric properties of the MDADI.

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Non-melanomatous cutaneous spindle cell neoplasms are a rare group of malignancies that present a diagnostic challenge, and for which there is a lack of consensus on how to best manage patients with advanced disease and only limited reports of immune-checkpoint inhibitor (ICI) responses. In this study, we performed a single-center retrospective review of treatment outcomes for all advanced non-melanomatous cutaneous spindle cell neoplasms treated with ICIs. Blinded histopathology reviews occurred to confirm each diagnosis.

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Background: Despite multimodal therapy, 5-year overall survival for locally advanced head and neck squamous cell carcinoma (HNSCC) is about 50%. We assessed the addition of pembrolizumab to concurrent chemoradiotherapy for locally advanced HNSCC.

Methods: In the randomised, double-blind, phase 3 KEYNOTE-412 trial, participants with newly diagnosed, high-risk, unresected locally advanced HNSCC from 130 medical centres globally were randomly assigned (1:1) to pembrolizumab (200 mg) plus chemoradiotherapy or placebo plus chemoradiotherapy.

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Background: Cutaneous squamous cell carcinoma (CSCC) has a propensity for perineural spread (PNS) which is associated with poorer treatment outcomes. Immunotherapy is the new standard of care treatment for advanced CSCC resulting in durable responses. PNS is not captured by traditional response assessment criteria used in clinical trials, e.

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  • Cemiplimab (Libtayo) is an approved antibody used to treat advanced skin cancer (CSCC) in patients who can't undergo surgery or radiation, and it's typically given every three weeks.
  • A study tested giving a higher dose (600 mg) every four weeks instead, involving 63 patients who were monitored for tumor response over 48 weeks.
  • Results showed a 62% objective response rate with significant antitumor activity and manageable side effects like diarrhea and fatigue, suggesting this new dosing schedule could be effective but needs further data for comparison with the standard treatment.
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Background: Older patients are often underrepresented in clinical trials owing to exclusionary comorbidities, which are more common with age. Chemotherapy is poorly tolerated in older comorbid advanced cutaneous squamous cell carcinoma (CSCC) patients; however, little is known on the efficacy and tolerability of immune-checkpoint inhibitors (ICIs) in this population. To our knowledge, this is the largest dedicated report on a cohort of older patients with advanced CSCC treated with immunotherapy to date.

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Introduction: There is no consensus as to what specifically constitutes head and neck cancer radiotherapy quality assurance (HNC RT QA). The aims of this study are to (1) describe the RT QA processes used in the TROG 12.01 study, (2) review the RT QA processes undertaken for all patients with loco-regional failure (LRF), and (3) provide prospective data to propose a consensus statement regarding the minimal components and optimal timing of HNC RT QA.

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Objectives: The incidence of human papillomavirus positive oropharyngeal cancer (HPV+OPC) is increasing, and new biomarkers are required to better define prognostic groups and guide treatment. Infiltrating T cells have been well studied in head and neck cancer, however the presence and role of B cells and tertiary lymphoid structures (TLS) in the tumor microenvironment has not, even though the interplay between T and B cells is increasingly being recognised.

Materials And Methods: Using CD20 immunohistochemistry (IHC) to identify B cells and TLS in a cohort of 159 HPV + OPC patients, we semi-quantitatively scored abundance and location (intra-tumoral or stromal) and correlated findings with patient survival.

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Objectives: To review the outcomes of immune checkpoint inhibitor (ICI) treatment of advanced cutaneous squamous cell carcinoma (CSCC) outside clinical trials.

Study Design: Retrospective observational study; review of patient records in fifteen Australian institutions.

Setting, Participants: All Australian adults with locally advanced or metastatic CSCC not amenable to curative surgery or radiotherapy treated with ICIs, 5 May 2017 - 23 May 2022, through a cemiplimab compassionate access scheme (Therapeutic Goods Administration Special Access Scheme) or who personally covered the cost of pembrolizumab prior to the start of the access scheme.

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Background: We previously reported rates of pathological complete responses (51% [95% CI 39-62] per independent central review, the primary endpoint) and major pathological responses (13% per independent central review, a secondary endpoint) to neoadjuvant cemiplimab (an anti-PD-1 inhibitor) among 79 patients with locoregionally advanced, resectable cutaneous squamous cell carcinoma. Here, we present follow-up data, including event-free, disease-free, and overall survival.

Methods: This single-arm, multicentre, phase 2 study included patients aged 18 years or older with resectable stage II-IV (M0) cutaneous squamous cell carcinoma and Eastern Cooperative Oncology Group performance status of 0 or 1.

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Purpose: The primary objectives were to describe the longitudinal course of sexual health in people undergoing curative (chemo)radiation therapy ([C)RT) for human papillomavirus-associated oropharyngeal squamous cell carcinoma (HPVOPSCC) and identify factors associated with higher sexual satisfaction 12 months after (C)RT.

Methods And Materials: Eligible participants from 3 sites were recruited to a prospective observational study between October 2020 and November 2021. Measures of sexual health (22-item European Organization for Research and Treatment of Cancer Sexual Health Questionnaire), treatment outcome priorities (Chicago Priorities Scale), quality of life (30-item European Organization for Research and Treatment of Cancer Core Quality of Life Questionnaire), symptom burden (MD Anderson Symptom Inventory-Head and Neck), emotional distress (Patient-Reported Outcomes Measurement Information System - Anxiety and Depression), and facial appearance and appearance distress (FACE-Q) were administered before, at the end, and 3 and 12 months after (C)RT.

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Unlabelled: In recent years, there has been considerable interest in mAb-based induction of costimulatory receptor signaling as an approach to combat cancer. However, promising nonclinical data have yet to translate to a meaningful clinical benefit. Inducible T-cell costimulator (ICOS) is a costimulatory receptor important for immune responses.

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  • Cutaneous squamous cell carcinomas (cSCCs) are the second most common skin cancer globally, and this study aims to understand the biological reasons behind their varying clinical outcomes.
  • Researchers analyzed the profiles of 211 cSCC tumors, noting significant differences in immune system involvement between tumors from immunocompromised and immunocompetent patients.
  • Key findings suggest that the presence of memory B cells is linked to better patient outcomes, indicating that differences in immune response, rather than genetic factors, may drive the varying survival rates in cSCC.
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Background: Standard treatment for locally advanced cervical cancer is chemoradiotherapy, but many patients relapse and die of metastatic disease. We aimed to determine the effects on survival of adjuvant chemotherapy after chemoradiotherapy.

Methods: The OUTBACK trial was a multicentre, open-label, randomised, phase 3 trial done in 157 hospitals in Australia, China, Canada, New Zealand, Saudi Arabia, Singapore, and the USA.

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Purpose: This secondary analysis of clinical trial TROG 12.01, involving patients with human papillomavirus-associated oropharyngeal squamous cell carcinoma, aimed to identify patient-reported outcome (PRO) trajectories before, during, and after chemoradiotherapy.

Methods And Materials: Head and neck cancer symptom severity (HNSS) and interference (HNSI), generic health-related quality of life (HRQL), and emotional distress were assessed with the MD Anderson Symptom Inventory-Head and Neck, Functional Assessment of Cancer Therapy-General, and Hospital Anxiety and Depression Scale questionnaires, respectively.

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Purpose: To evaluate the efficacy and tolerability of two doses of gefitinib (Iressa [ZD1839]; AstraZeneca, Wilmington, DE), a novel epidermal growth factor receptor tyrosine kinase inhibitor, in patients with pretreated advanced non-small-cell lung cancer (NSCLC).

Patients And Methods: This was a randomized, double-blind, parallel-group, multicenter phase II trial. Two hundred ten patients with advanced NSCLC who were previously treated with one or two chemotherapy regimens (at least one containing platinum) were randomized to receive either 250-mg or 500-mg oral doses of gefitinib once daily.

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Non-melanoma skin cancers (NMSCs) are the most common form of skin cancer worldwide. The global incidence of cutaneous squamous cell carcinoma (CSCC) is rising, with an estimated 2.4 million cases diagnosed in 2019.

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Objectives: Our objective was to determine the negative predictive value (NPV) of preoperative FDG PET/CTfor detecting locoregional nodal disease. The aim was to help inform the decision-making process when identifying patients with early-stage OPSCC that would be suitable for transoral robotic surgery (TORS) as a single-modality treatment.

Materials And Methods: A retrospective cohort study was conducted of adults with primary stage cT1-2 OPSCC with up to one metastatic neck lymph node (cN0-1) planned for TORS.

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Purpose: Pembrolizumab and pembrolizumab-chemotherapy demonstrated efficacy in recurrent/metastatic head and neck squamous cell carcinoma in KEYNOTE-048. Post hoc analysis of long-term efficacy and progression-free survival on next-line therapy (PFS2) is presented.

Methods: Patients were randomly assigned (1:1:1) to pembrolizumab, pembrolizumab-chemotherapy, or cetuximab-chemotherapy.

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Article Synopsis
  • - The study explored the effectiveness of cemiplimab as a neoadjuvant therapy for patients with resectable cutaneous squamous-cell carcinoma, aiming to determine its impact on achieving a pathological complete response before surgery.
  • - Out of 79 participants, 51% achieved a pathological complete response, while 68% showed a positive response on imaging; these outcomes suggest cemiplimab is effective for this patient group.
  • - However, 87% of patients experienced adverse events, highlighting the need for careful monitoring and further research to balance treatment benefits with potential side effects.
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Purpose: The aim of this TROG 12.01 substudy was to report longitudinal variations in patient- (PRO) and clinician-reported outcomes based on receipt of unilateral (URT) or bilateral radiation therapy (BRT).

Methods And Materials: Patients with lateralized T1-2 N1-2b human papillomavirus-associated tonsillar carcinoma (AJCC7) enrolled on TROG 12.

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