Omolara Amina Fatiregun

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• MBBS, FWACS MSc
• Lecturer at Lagos State University

e12512 Background: This study explored death from breast cancer and death from other causes amongst women with stages 1 and 2 her2 positive and triple-negative breast cancer (BC) by immigration status. Methods: We identified women aged 18-75 diagnosed with BC in Ontario from January 1 st, 2012, to Dec 31 st, 2019, and followed them up to 31 st Dec,...

e12511 Background: This study explored the appropriateness of treatment received for stages 1 and 2 HER2-positive and triple-negative (TNBC) breast cancer (BC) patients with subtypes between immigrants and long-term residents. Methods: We identified women aged 18 – 75 years in the Immigration, Refugee, and Citizenship Canada Permanent Resident (CIC...

e12572 Background: Breast Cancer is the most common in women globally and among Canadian women. We explored differences in screening rates and the time to breast cancer (BC) diagnosis among immigrants and long-term residents in Ontario). Methods: We calculated the annual proportion of Ontario women aged 50 – 75 up-to-date with mammography from Janu...

e23059 Background: The STAMPEDE2 trial builds on the foundational STAMPEDE trial, which introduced innovative multi-arm treatment protocols for metastatic prostate cancer. This survey assessed Nigeria’s readiness for the STAMPEDE2 trial by evaluating current clinical practices, radiotherapy infrastructure, systemic therapy usage, and imaging capabi...

The ability of a country to feed itself constitutes the most potent weapon in a nation’s armoury to defeat poverty, enhance food security, and ensure sustainable socio-economic and human development. The potential of agriculture to rapidly help in achieving food security, economic diversification, inclusive growth, and wealth creation in Nigeria re...

PURPOSE There is limited cancer clinical research in sub-Saharan African countries despite the significant burden of cancers. The primary objective of this strengths, weaknesses, opportunities, and threats (SWOT) analysis was to understand and document factors affecting the successful implementation of prostate cancer (CaP) clinical research in Nig...

Background Chemotherapy-induced peripheral neuropathy (CIPN) is a major side effect associated with chemotherapy. It can lead to detrimental dose reductions and discontinuation of treatment because of its significant effect, which impairs the quality of life among the surviving population of cancer patients. This study assesses the prevalence and p...

Background Health literacy connotes understanding health-related issues and applying a clear understanding of implications in making decisions about one’s healthcare needs. Early detection and prompt treatment are cornerstone strategies of breast cancer control. This study assessed the relationship between health literacy and breast cancer preventi...

Objective: To explore the association between COVID-19-related cancer treatment cancellations and the psychological health of cancer patients in Nigeria.Methods: We analyzed data collected from 15 outpatient cancer clinics, comprising 1,097 patients between April to July 2020. Study outcome was ten psychological impacts, including feeling down, str...

Background Coronavirus disease (COVID-19) outbreak in 2019 was caused by severe acute respiratory syndrome coronavirus 2 and became a pandemic in 2020, resulting in significant changes in the management of noncommunicable diseases globally including cancer. Globally, the health-care system, including the Nigerian health-care system, experienced ago...

e13504 Background: Breast cancer is a heterogeneous disease. The sociodemographic features and biological profile of breast cancer differ globally, especially in women of African descent. In Nigeria, limited studies explore the impact of these breast cancer-related factors on survival. This study evaluated the association between patients' tumour c...

Background Most patients with high-risk non-metastatic breast cancer are treated with neoadjuvant chemotherapy (NAC), which includes the administration of anthracyclines. The omission of anthracyclines was shown to be associated with excellent outcomes in selected patients. However, the extent to which anthracyclines are omitted among a population...

Executive summary Prostate cancer is the most common cancer in men in 112 countries, and accounts for 15% of cancers. In this Commission, we report projections of prostate cancer cases in 2040 on the basis of data for demographic changes worldwide and rising life expectancy. Our findings suggest that the number of new cases annually will rise from...

Background: The need to increase understanding of prostate cancer (CaP) is ever increasing. Unfortunately, there is limited understanding of how CaP affects men of African ancestry (MAA) despite significant disparities in CaP prevention, diagnosis, and treatment due to genetic and sociobehavioral factors. Conducting CaP clinical trials (CTs) in Afr...

Background Through whole‐exome sequencing of 60 formalin‐fixed paraffin‐embedded Nigerian (NGRn) benign prostatic hyperplasia (BPH) samples, we identified germline and somatic alterations in apoptotic pathways impacting BPH development and progression. Prostate enlargement is a common occurrence in male aging; however, this enlargement can lead to...

Background Men of African ancestry experience higher burden from prostate cancer compared to men of other ancestral backgrounds. Limitations in the availability of high-quality biospecimens hinder the inclusion of this population in genetic studies of prostate cancer. The use of formalin-fixed paraffin-embedded (FFPE) tissues represent a potential...

Purpose We examined the impact of non-adherence to adjuvant endocrine therapy (ET) on the risk and site of recurrence among older women with early stage, hormone receptor positive (HR+) breast cancer (EBC). Methods A population-based cohort of women age ≥ 65 years with T1N0 HR + EBC who were diagnosed between 2010 and 2016 and treated with breast-...

Prostate cancer (CaP) significantly affects black men causing highermortality rates especially within African and Caribbean countries. The Prostate Cancer Transatlantic Consortium (CaPTC) is a 10 year longitudinal study aimed at studying environmental, epidemiological and prostate cancer associated risk factors within black men of West African desc...

Background: Breast cancer is the second most commonly diagnosed cancer in North American women. The administration of neoadjuvant chemotherapy (NAC) is the mainstay of treatment for individuals with high risk disease in an effort to reduce the extent of surgery, evaluate the role of additional adjuvant therapies (based on pathologic response to NAC...

Purpose: To examine cancer patients' perspectives on the impact of COVID-19 on teleoncology in Nigeria. Methods: Data from a multicenter survey conducted at 15 outpatient clinics to 1,097 patients with cancer from April and July 2020 were analyzed. The study outcome was telemedicine, defined as patients who reported their routine follow-up visit...

Purpose: The aim of this study was to review the management of orbito-ocular malignancies in the Departments of Radiotherapy and Ophthalmology, Lagos University Teaching Hospital, between January 1997 and December 2011 in comparison to previous and recent studies globally. Materials and methods: This was a retrospective study of orbito-ocular ma...

Background: The CaPTC prostate cancer (CaP) Familial Cohort study (CaPFCS) was launched in 2017 to explore the CaP risk factors of African Black men (ABM). The study design is a prospective study that observes and follows healthy ABM and ABM diagnosed with CaP. Aim: The specific aim is to provide recommendations on statistical considerations for co...

INTRODUCTION The Prostate Cancer Transatlantic Consortium (CaPTC) has the goal of better understanding the burden of prostate cancer among Black men of West African descent. While prostate cancer disproportionately affects Blacks around the world, little research is done to understand what mental health and social support play a role in prostate ca...

Background: Prostate cancer (CaP) is a global disease with the greatest burden among Black men, including sub-Saharan African men. The International Registry to Improve Outcomes in Men with Advanced Prostate Cancer (IRONMAN) was established by the Prostate Cancer Clinical Trials Consortium (PCCTC) as a prospective, international cohort of men with...

BACKGROUND Black populations are disproportionately affected by prostate cancer globally. The leading countries in prostate cancer mortality are found in Africa and the Caribbean. This data is being presented as part of the Prostate Cancer Transatlantic Consortium (CaPTC) Prostate Cancer Familial Cohort Study of African Ancestry study with the purp...

Background: Vitamin C has long been recognized for its plethora of immune system and anti-inflammatory properties. Various cancers have been identified to have similarities in epigenetic inflammatory components. Because rates of prostate cancer have exhibited significant disparities in Black men with increased incidence and mortality, an examinatio...

In this study, we used whole-exome sequencing of a cohort of 45 advanced-stage, treatment-naïve Nigerian (NG) primary prostate cancer tumors and 11 unmatched nontumor tissues to compare genomic mutations with African American (AA) and European American (EA) The Cancer Genome Atlas (TCGA) prostate cancer. NG samples were collected from six sites in...

Men of African ancestry (MAA) have the highest global incidence and mortality of prostate cancer (PCa); however, the biology underlying this harsh disease presentation remains poorly understand, largely due to Africans and people within the African diaspora being under-represented in genomics research. MAA are younger at diagnosis, have higher tumo...

TPS622 Background: Breast cancer rates are increasing in Nigeria and across sub-Sahara Africa without the necessary infrastructure to manage the disease. Adequate clinical trial resources are needed to address the growing need for high quality, patient centered cancer care on the Continent. The ARETTA clinical trial was initiated by the Nigerian Br...

In this study, we used whole-exome sequencing of a cohort of 45 advanced-stage, treatment-naive Nigerian (NG) primary prostate cancer (PCa) tumors and 11 unmatched non-tumor tissues to compare genomic alterations with African American (AA) and European American (EA) TCGA PCa. NG samples were collected from 6 sites in central and southwest Nigeria....

Purpose: Because of the global COVID-19 pandemic, health care organizations introduced guidelines for modifications to health and cancer medical care delivery to mitigate transmission and ensure quality health outcomes. To examine the extent and impact of these modifications on oncology service disruptions in Nigeria, we surveyed oncology patients...

Objective: This study aimed to evaluate the dosimetric properties of treatment plans obtained from three-dimensional conformal radiotherapy (3D-CRT) and intensity-modulated radiotherapy techniques (IMRT) plans for left chest wall breast cancer patients. Materials and methods: A total of 20 patients with left-sided chest wall radiotherapy were ra...

The rapidly rising cancer burden and mortality rate in Africa are in contrast to the increase in cancer survivorship in Europe and North America. Genomic medicine has contributed to the rise in survival and has facilitated precision cancer control. However, there is a shortage of African representation in genomic databases, even for cancers that di...

3029 Background: Progastrin is a tumor-promoting peptide which is detectable in the blood of patients with different cancers. hPG 80 (circulating progastrin) is produced by cancer cells. Recently it was reported that hPG 80 is detected in the blood of cancer patients, suggesting its potential utility for cancer detection. In this Nigerian study, we...

PURPOSE Breast cancer is the most common malignancy in women worldwide. In Nigeria, it accounts for 22.7% of all new cancer cases among women. Evidence-based medicine (EBM) entails using the results from healthcare research to enhance the clinical decision-making process and develop evidence-based treatment guidelines. Level 1 and 2 studies, such a...

Background: Men of African ancestry experience higher burden from prostate cancer compared to men of other ancestral backgrounds. Limitations in the availability of high-quality biospecimens have hindered the inclusion of this population in genetic studies of prostate cancer. The use of formalin-fixed paraffin-embedded (FFPE) tissues represents a p...

Background Globally, cancer is a major leading health problem with an estimated 10 million incidences and 6 million cancer deaths annually. In Nigeria, an estimated 72,000 cancer deaths occur annually, and 102,000 new cases are diagnosed from its population of 200 million people. These are, however, estimates, it is necessary to document the yearly...

Editorial that explores an overview of prostate cancer

INTRODUCTION Prostate Cancer (CaP) disproportionately overburden men of African ancestry, especially Black men (BM). Unfortunately, few CaP studies have focused on the heterogeneity of BM within the US as well as the source population of US BM in Africa. The Prostate Cancer Transatlantic Consortium (CaPTC) team has documented differences in CaP-rel...

Background Healthcare disparities among racial and ethnic groups have been well documented across all aspects of clinical healthcare, and disparities in attainment of preventive services are particularly prevalent. African immigrants may be particularly susceptible to factors that contribute to healthcare disparities but little is known about this...

Introduction One of the confirmed risk factors for prostate cancer (CaP) is race, with Black men (BM) more likely to get and die from CaP globally. Although CaP affects BM globally, little is known about CaP and its risk factors in foreign-born BM and the source population of US BM in Africa. The Prostate Cancer Transatlantic Consortium (CaPTC) stu...

Background African immigrants represent one of the fastest growing groups of immigrants in the US, resulting in increased diversity of Blacks in the US. Therefore, there is a growing need to assess the healthcare needs and practices of this population. The main public health concern has been on infectious disease but priority should also focus on c...

Background: Incidence and mortality from cervical cancer have remained high due to many obstacles facing the implementation of organized screening programs in resource-constrained countries such as Nigeria. The application of mobile technologies (mHealth) to health services delivery has the potential to reduce inequalities, empower patients to cont...

Cancer is rapidly becoming a public health crisis as a result of the continued growth and ageing of the global population and will greatly affect resource-limited low- to middle-income countries. It is widely acknowledged that research should be conducted within countries that will bear the greatest burden of disease, and Africa has the unparallele...

Breast cancer is the second leading cause of cancer morbidity and mortality globally. Cancer chemotherapy commonly result in hemolysis, which impacts patient overall health. There is a need to determine genetic factors associated with hemolysis in breast cancer patients. Haptoglobin (Hp), a polymorphic protein plays important role in hemoglobin cle...

Purpose: Diagnosis and treatment of cancer are associated with significant psychological distress, and patients face a broad range of challenges that create a vacuum of unmet needs felt by patients, such as a loss of personal control and frustration. The aim of the current study was to determine the magnitude, distribution, and correlates of unmet...

Prostate cancer (CaP) has been identified as the most common cancer among men globally with higher prevalence, incidence and mortality rates in Black men. This study aims to assess the risk factors for CaP among West African men residing in Nigeria, Cameroon and the United States. A validated Prostate Cancer Transatlantic Consortium (CaPTC) familia...

Poor understanding of the clinicopathological features of prostate cancer (CaP) in Black men (BM) is one of the major challenges implicated in the management and prevention of the disease. The development of CaP involves an accumulation of multiple oncogenic events with associated increase in prostate specific antigen (PSA) and stress related hormo...

Background: Prostate cancer is a significant public health problem affecting men globally. In 2012, it was the second most commonly diagnosed cancer among men worldwide and disproportionately impact men of African ancestry. Established risk factors for this disease include older age; family history; and African ancestry. While these factors are non...

Prostate cancer (CaP) is the most common male gender cancer and present with a 5-year prevalence, incidence and mortality rate in Nigerian Black men. There is disproportionate prevalence and poor understanding of CaP in Black men globally. The Prostate Cancer Transatlantic Consortium (CaPTC) has documented significant CaP burden among Nigerian blac...

Background: Cancer is a group of diseases characterized by uncontrolled growth and spread of abnormal cells. The incidence of cancer is on the increase, due to growth and ageing of the global population. More than half of all cancers (56.8%) and cancer deaths (64.9%) in 2012 occurred in less developed regions of the world, and these proportions wil...

Human glutathione-S-transferases play a key role in the metabolism of drugs and environmental chemicals. There have been conflicting reports on the association of breast cancer susceptibility with null genotypes of glutathione-S-transferase (GST) classes of mu and theta (GSTM1 and GSTT1). However, this is the first report of the association of null...

Purpose: Comorbidities have been indicated to influence cancer care and outcome, with strong associations between the presence of comorbidities and patient survival. The objective of this study is to determine the magnitude and pattern of comorbidities in Nigerian cancer populations, and demonstrate the use of comorbidity indices in predicting mort...

ackground: Globally, 32.5 million people diagnosed with cancer within the 5 years previously were alive at the end of 2012. 8.2 million deaths and 14.1 million new cases are recorded annually, but 70% will be in developing countries. Lung, breast, and colorectal cancers are commonly diagnosed. Aim and Objectives: The aim and objectives of this stud...

The 2014 World Health Organization (WHO) Cancer Report describes an alarming growth in the cancer burden worldwide and underscores that, of the 14 million new cases of cancer and 8.2 million cancer-related deaths per year, 60% and 70%, respectively, occur in low-income and middle-income countries (LMICs). These countries are the least capable of de...

e18198 Background: Clinical trials has continued to sharpen the treatment guidelines in managing breast cancer in the United States. The trends in breast cancer management in developed countries and the shifts in treatment paradigms have impacted on breast cancer diagnosis from an incurable entity in the early 1900s’ to the situation today where mo...

Purpose: Health Related Quality of life (HRQoL) is increasingly recognised as an important indicator of outcome and well-being in oncology care. We set out in this study to evaluate whether significant association exists between anxiety disorders (ADs) and HRQoL in breast cancer, such that any intervention addressing ADs would potentially improve...

Breast cancer is a major disease in Nigeria; in 2012, 27,304 new occurrences were diagnosed, and the number of mortalities was 13,960. Greater than 70% of patients present with advanced disease, which has a poor survival outcome. The mortality rates are high mainly because of a lack of awareness about breast health, screening guidelines, and treatm...

Background: Prostate cancer has become a global health challenge because of its rising morbidity and mortality in males. It is the second cause of cancer death following lung cancer in men. It is rare under the age of 40 and its incidence has been shown to increase exponentially with age. Previously, Prostate cancer was thought to be a disease rar...

Ovarian cancer was considered to be rare in Nigeria. This study was therefore conducted to look into the current incidence and management of ovarian cancer patients cases seen in the Lagos state University Teaching Hospital, Ikeja, Lagos State. All the case notes of histo-logically diagnosed cases of Ovarian Cancers seen in LASUTH from 1st January...