Publications by authors named "Karly Louie"

To investigate changes in treatment patterns in extensive-stage small-cell lung cancer (ES-SCLC) in France, Germany, Italy, Spain and the UK (EU5) between 2018 and 2021. Cross-sectional data from an oncology database were analyzed retrospectively. Of 5832 eligible patients, 88.

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Background: Real-world data on demographics related to KRAS mutation subtypes are crucial as targeted drugs against the p.G12C variant have been approved.

Method: We identified 6183 NSCLC patients with reported NGS-based KRAS status in the Swedish national lung cancer registry between 2016 and 2019.

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Objectives: We aimed to characterize the advanced NSCLC population in terms of KRAS G12C prevalence, patient characteristics, and survival outcomes after the introduction of immunotherapies.

Materials And Methods: We identified adult patients diagnosed with advanced NSCLC between January 1, 2018 and June 30, 2021 using the Danish health registries. Patients were grouped by mutational status (any KRAS mutation, KRAS G12C, and KRAS/EGFR/ALK wildtype [Triple WT]).

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Monitoring therapy response in patients with metastatic castration-resistant prostate cancer (mCRPC) treated with novel hormonal therapies, taxanes, and newly approved therapies is crucial for optimizing treatment. [Ga]Ga-prostate-specific membrane antigen (PSMA)-11 positron emission tomography/computed tomography (PSMA PET/CT) is a promising target for managing treatment in patients with prostate cancer. PSMA is overexpressed in patients with mCRPC; understanding how expression might change in patients undergoing treatment could determine its potential for guiding clinical decisions.

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Awareness of the link between human papillomavirus (HPV) and oral cancer varies across populations. Levels of awareness and factors may impact HPV vaccine uptake in women and the intent to obtain the vaccine in men if it becomes available. A cross-sectional survey of 1415 UK university students (495 men and 920 women) aged 18-25 years was conducted.

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Introduction: Talimogene laherparepvec (T-VEC; IMLYGIC, Amgen Inc.) is an oncolytic immunotherapy approved in Europe for the treatment of unresectable metastatic melanoma (stage IIIB-IVM1a). This study characterised real-world use of T-VEC in four European countries.

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There is a growing body of data on real-world use of talimogene laherparepvec (T-VEC). We aimed to characterize real-world T-VEC use using a nationally representative German prescription database covering 60% of prescriptions reimbursed. A retrospective analysis was conducted using the German IMS LRx prescription database, analyzing patients aged ≥18 years with an initial T-VEC prescription at 10 plaque-forming units (PFU)/ml and ≥1 subsequent prescription at 10 PFU/ml.

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Background: Calcimimetic treatment of secondary hyperparathyroidism in chronic dialysis patients is often followed by hypocalcemia.

Methods: We investigated the frequency, predictors, consequences and therapeutic responses following cinacalcet-induced hypocalcemia in an incident European hemodialysis cohort of 1068 patients with a cinacalcet prescription.

Results: Of 905 normocalcemic patients initiating cinacalcet, 67% developed hypocalcemia within 12 months: 68% mild, 23% moderate, 9% severe.

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In 2012, Colombia implemented a school-based HPV vaccination program of a 3-dose series for nine year old girls. Following a mass psychogenic response after vaccination in a Colombian town, vaccination rates dropped from 80% in 2012-2013 to 5% in 2016. The study aimed to identify barriers and facilitators of HPV vaccine uptake among girls eligible for vaccination in the initial years of vaccine implementation from 2012 to 2014, and their parents.

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Article Synopsis
  • Oropharyngeal cancer rates are increasing, mainly due to HPV type 16, raising debates about the necessity of immunizing males when female vaccination rates are high.
  • A study in the UK involved 940 participants, primarily aged 12-24, assessing HPV prevalence through various oral samples and vaccination data.
  • Results revealed a significantly lower prevalence of HPV-16 in vaccinated females compared to unvaccinated, suggesting that the female-only vaccination program may also lead to potential herd immunity for unvaccinated males.
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Introduction: Talimogene laherparepvec is a first-in-class oncolytic immunotherapy for intratumoral injection with proven efficacy and tolerability in patients with unresectable early metastatic melanoma (stage IIIB-IVM1a) in the pivotal phase III OPTiM study. The objective was to characterize melanoma patients treated with talimogene laherparepvec in routine clinical practice in Germany.

Methods: A retrospective chart review was conducted in unresectable stage IIIB-IVM1a melanoma patients.

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Human papillomavirus (HPV) vaccination elicits high-titer genotype-specific antibody responses that are associated with a reduced risk of cervical disease caused by vaccine-incorporated genotypes. Our objective was to evaluate dried blood spots (DBSs) and oral mucosal transudate (OMT) as alternative samples to serum to confirm HPV vaccine antibody status. A study was carried out to evaluate the feasibility of detecting HPV16 and HPV18 antibodies in OMT, DBSs, and sera among women who self-reported being unvaccinated or fully vaccinated with the HPV vaccine.

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Background: Health equality is increasingly being considered alongside overall health gain when assessing public health interventions. However, the trade-off between the direct effects of vaccination and herd immunity could lead to unintuitive consequences for the distribution of disease burden within a population. We used a transmission dynamic model of human papillomavirus (HPV) to investigate the effect of ethnic disparities in vaccine and cervical screening uptake on inequality in disease incidence in England.

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Background: The magnitude of the growing burden of oropharyngeal cancers (OPC), a sub-set of head and neck cancers (HNC), is unknown in England.

Methods: Data were extracted from population-based cancer registries in England. The burden of HNC overall and by anatomic site was described from 1995 to 2011.

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Malaria remains the leading burden of disease in post-conflict Sierra Leone. To overcome the challenge of anti-malarial drug resistance and improve effective treatment, Sierra Leone adopted artemisinin-combination therapy artesunate-amodiaquine (AS+AQ) as first-line treatment for uncomplicated P. falciparum malaria.

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Background: Chronic hepatitis C (HCV) disease can be complicated with comorbid conditions that may impact treatment eligibility and outcomes. The aim of the study was to systematically review comorbidities and symptoms in an HCV infected population, specifically assessing comorbidities associated with HCV anti-viral treatment and disease, as well as comparing comorbidities between an HCV infected and uninfected control population.

Methods: This was a retrospective cohort study within a United States medical claims database among patients with chronic HCV designed to estimate the two-year period prevalence of comorbidities.

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Background: The independent role of tobacco smoking in invasive cervical cancer (ICC) has been established. We evaluated the potential impact of passive smoking (PS).

Methods: A pooled analysis of 1,919 couples enrolled in one of seven case-control studies involving cervical carcinoma in situ (CIS) or ICC was investigated.

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Background: Malaria is the leading cause of morbidity and mortality in post-conflict Burundi. To counter the increasing challenge of anti-malarial drug resistance and improve highly effective treatment Burundi adopted artesunate-amodiaquine (AS-AQ) as first-line treatment for uncomplicated Plasmodium falciparum malaria and oral quinine as second-line treatment in its national treatment policy in 2003. Uptake of this policy in the public, private and non-governmental (NGO) retail market sectors of Burundi is relatively unknown.

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Objectives: To identify the gaps of knowledge and highlight the challenges and opportunities for controlling cervical cancer in sub-Saharan Africa (SSA).

Methods: A comprehensive review of peer-reviewed literature to summarize the epidemiological data on human papillomavirus (HPV) and invasive cervical cancer (ICC) by HIV status, to review feasible and effective cervical screening strategies, and to identify barriers in the introduction of HPV vaccination in SSA.

Results: ICC incidence in SSA is one of the highest in the world with an age-standardized incidence rate of 31.

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Cervical cancer remains one of the leading causes of cancers in women from Indonesia, Malaysia, the Philippines, Thailand and Vietnam. High-risk human papillomavirus (HPV) types, particularly HPV-16 and 18, are consistently identified in cervical cancer cases regardless of geographical region. Factors that have been identified to increase the likelihood of HPV exposure or subsequent development of cervical cancer include young age at first intercourse, high parity and multiple sexual partners.

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We present the burden of human papillomavirus (HPV)-related cancers (cancers of the cervix, anogenital areas, and oral cavity and pharynx) in terms of incidence and mortality, for the countries of the Asia Pacific region. The region contains more than half of the world population, and manifests a wide geographic diversity in the prevalence of infection with HPV, and of incidence (and mortality) rates of cancer of the cervix. In general, rates of cancer of the cervix have declined since the 1960's; 67% of cases are associated with HPV-16 and 18.

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Background & Aims: Complications of HCV infection are primarily related to the development of advanced fibrosis and whether cannabis use is a risk factor for more severe fibrosis is controversial.

Methods: Baseline data from a prospective cohort study of 204 persons with chronic HCV infection were used for analysis. The outcome was fibrosis score on biopsy, and the primary predictor evaluated was daily cannabis use.

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