Publications by authors named "Abiola Ibraheem"

To explore the association between COVID-19-related cancer treatment cancellations and the psychological health of cancer patients in Nigeria. 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, stressed, and unable to access treatment due to COVID-19 (used as continuous and categorical variable (0-3,4-7,8+ events).

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ASCO is a global professional society representing more than 50,000 physicians, other health care professionals, and advocates in over 100 countries specializing in cancer treatment, diagnosis, prevention, and advocacy. ASCO strives, through research, education, and promotion of the highest quality of patient care, to create a world where cancer is prevented or cured, and every survivor is healthy. In this pursuit, health equity remains the guiding institutional principle that applies to all its activities across the cancer care continuum.

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  • - The study investigated how COVID-19 impacted telehealth for cancer patients in Nigeria, analyzing data from over 1,000 patients across 15 outpatient clinics between April and July 2020.
  • - Findings revealed that 12.6% of patients had their routine follow-ups changed to virtual visits, with significant associations found among those who had surgical and treatment delays or less frequent interactions with healthcare providers.
  • - The conclusion highlighted the increased reliance on virtual care during the pandemic, particularly among patients facing treatment disruptions, emphasizing the need for ongoing research into teleoncology in Nigeria.
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  • - The study aims to investigate the racial disparity in survival rates between Black and White women with hormone receptor-positive, axillary node-negative breast cancer, focusing on social determinants of health and tumor biology factors.
  • - Researchers analyzed data from over 60,000 women diagnosed between 2004 and 2015, revealing that Black women had a higher death rate from breast cancer compared to their White counterparts, with contributing factors including neighborhood disadvantage and insurance status.
  • - The findings indicate that adverse social factors accounted for about 19% of the survival disparity, emphasizing the need to address these issues to improve outcomes for Black women with breast cancer.
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  • - Cancer is becoming a major health issue in sub-Saharan Africa due to lifestyle changes and longer life expectancy, resulting in higher rates of incidence and mortality compared to Western countries.
  • - Globalizing cancer clinical trials in Africa presents an opportunity to provide innovative therapies and address health disparities, as discussed in the 2019 AORTIC conference in Mozambique.
  • - The conference emphasized Africa's strengths, including local expertise and infrastructure, to successfully conduct clinical trials, debunking myths about the continent's capabilities in this area.
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Purpose: Radiotherapy (RT) treatment at public hospitals in Nigeria is often interrupted by prolonged periods of machine breakdown because of insufficient funds for maintenance and repair. These delays have prompted the uptake of public-private partnerships (PPPs) to acquire and maintain RT equipment. This study aimed to understand Nigeria's current RT capacity and the impact of PPPs on RT availability and cost.

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  • Breast cancer is the leading cancer among women globally, making up 22.7% of all new cancer cases in Nigerian women, highlighting an urgent need for improved local research.
  • A review of breast cancer studies in Nigeria from 1961 to 2019 found 472 eligible articles, predominantly consisting of case series and qualitative studies, indicating a lack of high-level evidence such as randomized controlled trials.
  • The limited availability of strong evidence hampers evidence-based medicine in Nigeria, resulting in treatment guidelines often relying on foreign research which may not be fully applicable to the local population.
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  • The study investigates the breast cancer mortality gap between White and Black patients, emphasizing the impact of tumor biology, genomic factors, and healthcare disparities.
  • Researchers analyzed a cohort of 2795 breast cancer patients to assess five survival outcomes, using controlled models to compare Black and White patients.
  • Findings indicate that Black patients generally have worse survival outcomes in all categories studied, with the most significant disparities observed in the HR-/HER2+ and HR+/HER2- breast cancer subtypes.
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Background: There is both higher mortality and morbidity from cancer in low and medium income countries (LMICs) compared with high income countries (HICs). Clinical trial activities and development of more effective and less toxic therapies have led to significant improvements in morbidity and mortality from cancer in HICs. Unfortunately, clinical trials remain low in LMICs due to poor infrastructure and paucity of experienced personnel to execute clinical trials.

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Human epidermal growth factor receptor 2 (HER2) subtype of breast cancer is aggressive, leading to a poor outcome. Targeted therapy with trastuzumab has been shown to be effective in the treatment of HER2-positive breast cancer. Cardiotoxicity is a specific adverse effect associated with trastuzumab.

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Background: Genomic assays such as Oncotype Dx (ODX) and MammaPrint are used for risk-adapted treatment decisions among patients with early breast cancer. However, to the authors' knowledge, concordance between genomic assays is modest. Using real-world data, the authors performed a comparative analysis of ODX and MammaPrint.

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Purpose: There are strategies to bring quality cancer care to underserved patients, but poor use of the principles of teamwork is a major barrier to achieving quality services. The intent of this study was to assess teamwork as perceived by health care workers caring for patients with cancer.

Methods: We conducted a survey among health care professionals in cancer care at 3 tertiary centers in southwestern Nigeria from July to November 2016.

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  • The study highlights the significant increase in cancer cases in Nigeria, emphasizing the lack of access to radiotherapy, with one machine serving nearly 25.7 million people.
  • Conducted in Ibadan, Nigeria, the research identified barriers to radiotherapy through a questionnaire and found sociocultural and infrastructural factors impacting delays in treatment.
  • Key findings revealed that while patient-related barriers exist, issues like machine breakdown and worker strikes were major factors causing delays in receiving timely radiotherapy treatments.
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  • The Oncotype DX recurrence score (RS) helps determine chemotherapy options for women with hormone receptor-positive, HER2-negative breast cancer, with limited benefit noted among those aged ≥50 with RS 11-25.
  • A study analyzed data from 73,185 women with stage I-III breast cancer (RS 11-30), revealing chemotherapy reduced death risk significantly for lymph node-positive patients, while lymph node-negative patients had mixed outcomes based on RS levels.
  • The study concluded that the effectiveness of chemotherapy correlates with RS, showing that higher scores yield greater survival benefits, highlighting the importance of real-world data for treatment decisions.
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Purpose Abiraterone acetate (AA) is a standard of care for metastatic castration-resistant prostate cancer (CRPC). Despite a large food effect, AA was administered under fasting conditions in its pivotal trials. We sought to test the hypothesis that low-dose AA (LOW; 250 mg with a low-fat meal) would have comparable activity to standard AA (STD; 1,000 mg fasting) in patients with CRPC.

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Purpose: To examine racial/ethnic disparities in Oncotype DX (ODX) testing among patients with node-negative, estrogen receptor (ER)-positive, human epidermal growth factor receptor 2 (HER2)-negative breast cancers and possible racial/ethnic disparities in chemotherapy receipt following ODX testing within Recurrence Score (RS) category (Not Done, Low, Intermediate, High), as well as chemotherapy receipt time trends within RS categories.

Methods: A retrospective cohort list of 125,288 women who were potentially indicated for ODX testing from 2010 to 2014 was obtained using the National Cancer Database. We fit multivariate logistic regression predicting chemotherapy receipt, adjusting for clinical factors, patient demographic factors, and hospital-level factors, separately by RS category, and calculated odds ratios (OR) and 95% confidence intervals (CI), as well as time trends.

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Disparities in clinical care have been described for patients with limited insurance coverage or social support. We hypothesized that patients with relapsed Hodgkin lymphoma (HL), non-Hodgkin lymphoma (NHL), or multiple myeloma (MM) treated at an urban county hospital serving indigent and under-insured patients would face barriers for referral to a private academic transplant center for autologous stem cell transplantation (ASCT). Charts of patients with HL, NHL, or MM treated at Grady Memorial Hospital between 2007 and 2013 were reviewed, and 215 patients with diagnosis of HD (n=40), NHL (n=96), and MM (n=79).

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