Background Vitiligo, an autoimmune disorder characterised by skin depigmentation, is associated with reduced quality of life (QoL). Vitiligo may be under‐reported, in part because of misconceptions that it is a cosmetic disease. Objectives This survey sought to characterise vitiligo prevalence and explore the relationship between sociodemographic and clinical characteristics with QoL in a population‐based, multinational study. Methods Participants aged ≥18 years were recruited via an online panel in Europe, Japan and the USA to answer questions regarding skin disorders they may have experienced. Those reporting vitiligo (diagnosed or undiagnosed) or vitiligo signs (experiencing loss of skin colour but unaware of vitiligo and not diagnosed) were included in the analyses of vitiligo prevalence. Participants who self‐reported physician‐diagnosed vitiligo were given a broader survey to characterise disease progression, management and QoL (as measured with the Vitiligo‐specific QoL [VitiQoL] instrument). Results The total estimated vitiligo prevalence among 35 694 survey participants (Europe, n = 18 785; USA, n = 8517; Japan, n = 8392) was 1.3% (diagnosed, 0.6%; undiagnosed, 0.4%; vitiligo signs, 0.3%). Among 219 patients formally diagnosed with vitiligo (Europe, n = 150; USA, n = 48; Japan, n = 21), total VitiQoL scores were associated with age (P = 0.00017), disease extent (P < 0.0001), disease progression (P < 0.0001), disease management (P < 0.0001) and time since diagnosis (P = 0.0015). Behaviour scores varied based on skin phototype (P = 0.024) and ethnicity (P = 0.048). Higher total VitiQoL scores were reported in patients with head lesions (P = 0.027) and those with head and hand and/or wrist lesions (P = 0.018). Substantial high concern (rated 8–10 on an 11‐point Likert scale) for lesions was found across all body areas and varied with geographical region. Conclusions The vitiligo prevalence rate may be higher than previously reported, with a substantial proportion attributed to people who have not received a formal diagnosis. Among formally diagnosed patients with vitiligo, QoL was most severely impacted by more progressive and higher extent of disease.
277 Background: Patients (pts) with CCA typically present with advanced disease and face a poor prognosis and impaired quality of life (QoL). Despite improvements in therapies, the impact of CCA on pts’ daily lives has been rarely studied. This pt-focused survey explored the diagnostic journey, life impact including work status, QoL and psychosocial impacts of CCA. Methods: Pts with CCA were recruited in partnership with the Cholangiocarcinoma Foundation from Aug 23 through Sept 20, 2019, and were categorized by AJCC stage. Pts participated in a 30-min online survey to assess disease staging, symptoms, demographics, diagnosis journey, daily life impact, mental health, and sexual function. The survey included the validated disease specific European Organization for Research and Treatment of Cancer (EORTC) QLQ-BIL21, the Patient Health Questionnaire-9 (PHQ-9), and the Work Productivity and Activity Impairment (WPAI) questionnaire. Results: Of 1,286 pts invited, 707 (55%) completed the survey (male, 77%; age ≥55 y, 13%; currently employed, 78%; perihilar CCA, 47%; intrahepatic CCA, 41%; distal CCA, 12%; stage 1–2, 22%, stage 3a, 51%, stage 3b–4, 20%, in remission, 4%, unknown stage, 2%). Median duration from symptom onset to CCA diagnosis was 19 months (range, 1–241), and median duration from diagnosis to completing survey was 24 months (0–744). Initial misdiagnosis occurred in 35% of pts (n=247); among whom the most common misdiagnosis was gall bladder cancer (52% [n=129]); misdiagnosis of cancer of unknown origin occurred in 9% of pts (n=21). CCA was most frequently first suspected and diagnosed by oncologists (38% [n=269] and 70% [n=492]); among non-specialty physicians, more first suspected than diagnosed CCA (eg, primary care physicians, 22% [n=156] vs 3% [n=22]). Pts’ primary considerations in treatment decisions were physician judgment (38% [n=272]), QoL (16% [n=111]), time spent in hospital (11% [n=75]), laboratory results (11% [n=79]), other pt experiences (6% [n=42]). On the EORTC QLQ-BIL21, pts reported negative life impact from anxiety (mean [SD], 52.9 [19.2]), tiredness (52.3 [19.3]), and treatment (51.3 [28.8]). On the WPAI, 61% of pts (n=429) reported some, and 28% (n=200) reported considerable impact on work status. On the PHQ-9, 58% (n=408) of pts reported significant impact of depression on daily life, with 72% (n=506) and 25% (n=177) reporting that depression makes daily life somewhat, or very difficult, respectively. Pts also reported considerable or some impact on sexual desire (51% [n=362]; 36% [n=255]) and intimacy (47% [n=332]; 39% [n=273]). Conclusions: Pts with CCA who participated in this survey were mostly <55 y of age and had experienced CCA symptoms for an extended time (2 y) before diagnosis, at which time CCA was often initially misdiagnosed. The burden of CCA symptoms on daily lives, work productivity, and mental health is immense.
TPS599 Background: A growing body of data support that the key to generating anti-tumor immune responses triggered by administration of immuno-oncology (IO) agents, is the activation and invasion of T lymphocytes. Checkpoint inhibitors (CPIs) are being actively explored in the neoadjuvant setting of MIBC. CPIs documented 30-40% pathologic complete response-rates (ypT0N0) in previous trials. Increasingly, novel IO agents are being developed in combinations with anti PD(L)-1 therapies. Understanding the changes in the tumor microenvironment that occur with the addition of novel immunomodulating agents to PD(L)-1 inhibitors can help inform whether a compound is viable for further development. The OPTIMUS trial is a window of opportunity, neoadjuvant platform design study in MIBC patients that are cisplatin-ineligible. The study investigates the addition of the indoleamine 2, 3-dioxygenase 1 (IDO1) inhibitor epacadostat to the PD-1 inhibitor retifanlimab. The platform design allows for investigation of other novel immune-modulating combinations. Methods: This is an open-label, randomized, Phase 2, multi-treatment group, window-of-opportunity, platform study for participants with MIBC undergoing radical cystectomy who refuse or are not eligible for cisplatin-based neoadjuvant chemotherapy (NCT04586244). Participants are randomized based on tumor tissue PD-L1 CPS ≥ 10 or PD-L1 CPS < 10 to one of the following treatment groups: Treatment Group A (epacadostat + retifanlimab); Treatment Group B (retifanlimab monotherapy); Treatment Group C (epacadostat monotherapy). 18 patients will be enrolled in each of Treatment Groups A and B. 9 patients will be enrolled into Treatment Group C. Total treatment duration is a maximum of 10 weeks. The platform study design allows for addition of future treatment groups. Pre-treatment biopsy is obtained through transurethral resection of bladder tumor (TURBT), followed by neoadjuvant treatment, followed by radical cystectomy. In all treatment groups, tissue from the surgical specimen(s) is collected and compared with the initial pre-treatment samples. The primary endpoint is the change from baseline in CD8+ lymphocytes within resected tumor. Secondary endpoints include safety and tolerability, rates of ypT0N0 response, and major pathologic response. Exploratory analyses include tumoral changes in gene cell expression profile, immune-cell protein and metabolic marker levels, and spatial relationships between cell types. Plasma is also collected and will be investigated for changes in cytokines and other inflammatory or metabolic markers. Clinical trial information: NCT04586244.
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