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1.
Artículo en Inglés | MEDLINE | ID: mdl-38613474

RESUMEN

Purpose:Although fertility preservation for patients with childhood and adolescent cancer is considered standard of care in the high-resource settings, it is rarely offered in low-resource settings. This study explores the experiences and perspectives of oncology health care professionals in Uganda to identify contextual barriers and facilitators to addressing oncofertility in low-resource settings. Methods: Using ground theory, we conducted in-depth face-to-face interviews of health care professionals managing pediatric patients at the Uganda Cancer Institute (UCI). Using a systematic, semi-structured interview guide, participants were asked open-ended questions about their understanding of fertility preservation and their perspectives on implementing this care at their institution. Although all the eligible health care providers were interviewed, interview transcripts were uploaded into NVivo version 12 and openly coded as per theoretical requirements. Codes were refined into categories and later into structured themes. Results: Twelve health care professionals were interviewed. Most participants identified as female (n = 9). Their role in the medical team varied from nurses (n = 6), medical officers (n = 3), pediatric oncologists (n = 2), and pediatric oncology fellow (n = 1). Six themes were noted as follows: (1) importance of information, (2) importance of future fertility, (3) inadequate consideration to future fertility, (4) communication barriers, (5) inadequate knowledge, and (6) resource barriers. Conclusion: Although health care providers at the UCI face contextual barriers to addressing future fertility among patients with pediatric cancer, they value preserving fertility in this population. Future initiatives that aim to introduce oncofertility care in low-resource settings should prioritize educating providers and building capacity to meet the oncofertility needs in this setting.

2.
Integr Cancer Ther ; 23: 15347354241235583, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38445504

RESUMEN

BACKGROUND: In the East African region, herbal plants are essential in the treatment and control of cancer. Given the diverse ecological and cultural makeup of the regional states, it is likely that different ethnic groups will use the same or different plants for the same or different diseases. However, since 2019, this has not been compiled into a single study. PURPOSE: The study aimed to compile and record the medicinal plants utilized in East Africa from April 2019 to June 2023 to treat various cancer types. MATERIALS AND METHODS: The study examined 13 original studies that included ethnobotanical research conducted in East Africa. They were retrieved from several internet databases, including Google Scholar, Scopus, PubMed/Medline, Science Direct, and Research for Life. The study retrieved databases on plant families and species, plant parts used, preparation methods and routes of administration, and the country where the ethnobotanical field surveys were conducted. Graphs were produced using the GraphPad Prism 8.125 program (GraphPad Software, Inc., San Diego, CA). Tables and figures were used to present the data, which had been condensed into percentages and frequencies. RESULTS: A total of 105 different plant species from 45 different plant families were identified, including Asteraceae (14), Euphorbiaceae (12), Musaceae (8), and Apocynaceae (7). Uganda registered the highest proportion (46% of the medicinal plants used). The most commonly mentioned medicinal plant species in cancer management was Prunus africana. Herbs (32%), trees and shrubs (28%), and leaves (45%) constituted the majority of herbal remedies. Most herbal remedies were prepared by boiling (decoction) and taken orally (57%). CONCLUSION: East Africa is home to a wide variety of medicinal plant species that local populations and herbalists, or TMP, frequently use in the treatment of various types of cancer. The most frequently used families are Asteraceae and Euphorbiaceae, with the majority of species being found in Uganda. The most frequently utilized plant species is Prunus africana. Studies on the effectiveness of Prunus africana against other malignancies besides prostate cancer are required.


Asunto(s)
Apocynaceae , Plantas Medicinales , Neoplasias de la Próstata , Masculino , Humanos , África Oriental , Bases de Datos Factuales
3.
BMC Complement Med Ther ; 23(1): 450, 2023 Dec 12.
Artículo en Inglés | MEDLINE | ID: mdl-38087230

RESUMEN

BACKGROUND: In Uganda, medicinal plants have been utilized to treat a variety of ailments, including cancer. However, there is little information available about the medicinal plants used to treat cancer in the Elgon subregion. As a result, the current study documented the plant species used in the management of cancer in the Elgon sub-region. METHODS: Data were gathered by observation, self-administered questionnaires, interview guides, and guided field trips. Analyzing descriptive statistics and creating graphs were done using SPSS (version 21.0) and GraphPad Prism® version 9.0.0, respectively. Well-established formulae were used to calculate quantitative indices. The narratives were interpreted using major theories and hypotheses in ethnobotany. RESULTS: A total of 50 plant species from 36 families were documented, and herbal knowledge was mainly acquired through inheritance. Fabaceae and Asteraceae comprised more plant species used in herbal preparation. Most plants were collected from forest reserves (63%); herbal therapies were made from herbs (45%); and leaves were primarily decocted (43%). The most frequently used plants were Tylosema fassoglensis, Hydnora abyssinica, Azidarachata indica, Prunus Africana, Kigelia africana, Syzygium cumini, Hydnora africana, Rhoicissus tridentata, Albizia coriaria, and Plectranthus cuanneus. All the most commonly used plants exhibited a high preference ranking (60-86%) and reliability level (74.1-93.9%). Generally, the ICF for all the cancers treated by medicinal plants was close to 1 (0.84-0.95). CONCLUSIONS: The ten most commonly utilized plants were favored, dependable, and most important for treating all known cancers. As a result, more investigation is required to determine their phytochemistry, toxicity, and effectiveness in both in vivo and in vitro studies. This could be a cornerstone for the pharmaceutical sector to develop new anticancer medications.


Asunto(s)
Neoplasias , Plantas Medicinales , Humanos , Uganda , Reproducibilidad de los Resultados , Medicinas Tradicionales Africanas , Conocimientos, Actitudes y Práctica en Salud , Neoplasias/tratamiento farmacológico
4.
BMC Womens Health ; 23(1): 633, 2023 11 27.
Artículo en Inglés | MEDLINE | ID: mdl-38012615

RESUMEN

BACKGROUND: Majority of patients with cervical cancer in the low- and middle-income countries experience long diagnostic and pre-treatment intervals. This study sought to determine the factors associated with the diagnostic and pre-treatment intervals among patients with cervical cancer. METHODS: This was a cross-sectional study conducted at the Uganda Cancer Institute (UCI) during October 2019 to January 2020. Patients aged ≥ 18 years with histological diagnosis of cervical cancer were consecutively sampled. Data were collected using a pre-tested semi-structured questionnaire and a data abstraction form. Diagnostic intervals, defined as the time between first visit of a patient to a primary healthcare provider to time of getting confirmed diagnosis, of ≤ 3 months was defined as early & >3 months as late. Pre-treatment intervals, which is the time from histological diagnosis to starting cancer chemo-radiotherapy of ≤ 1 month was defined as early and > 1 month as late. Data were analysed using STATA version 14.0. We used modified Poisson regression models with robust variance to determine socio-demographic and clinical factors associated with the intervals. RESULTS: The mean age of the participants was 50.0 ± 11.7 years. The median diagnostic and pre-treatment intervals were 3.1 (IQR: 1.4-8.2) months and 2.4 (IQR: 1.2-4.1) months respectively. Half of the participants, 49.6% (200/403) were diagnosed early; one in 5 patients, 20.1% (81/403) promptly (within one month) initiated cancer chemo-radiotherapy. Participants more likely to be diagnosed early included those referred from district hospitals (level 5) (aPR = 2.29; 95%CI: 1.60-3.26) and with squamous cell carcinomas (aPR = 1.55; 95%CI: 1.07-2.23). Participants more likely to be diagnosed late included those who first discussed their symptoms with relatives, (aPR = 0.77; 95%CI: (0.60-0.98), had > 2 pre-referral visits (aPR = 0.75; 95%CI (0.61-0.92), and had advanced stage (stages 3 or 4) (aPR = 0.68; 95%CI: 0.55-0.85). Participants more likely to initiate cancer chemo-radiotherapy early included older patients (≥ 60 years) (aPR = 2.44; 95%CI: 1.18-5.03). Patients likely to start treatment late were those who had ≥2 pre-referral visits  (aPR = 0.63; 95%CI: 0.41-0.98) and those that took 3 - 6 months with symptoms before seeking healthcare (aPR = 0.52;95%CI: 0.29 - 0.95). CONCLUSION: Interventions to promote prompt health-seeking and early diagnosis of cervical cancer need to target primary healthcare facilities and aim to enhance capacity of primary healthcare professionals to promptly initiate diagnostic investigations. Patients aged < 60 years require targeted interventions to promote prompt initiation of chemo-radiation therapy.


Asunto(s)
Neoplasias del Cuello Uterino , Femenino , Humanos , Adulto , Persona de Mediana Edad , Neoplasias del Cuello Uterino/diagnóstico , Neoplasias del Cuello Uterino/terapia , Estudios Transversales , Uganda , Encuestas y Cuestionarios , Derivación y Consulta
5.
Cancer Med ; 12(19): 19701-19713, 2023 10.
Artículo en Inglés | MEDLINE | ID: mdl-37787090

RESUMEN

BACKGROUND: Most breast cancer (BC) patients in Uganda are diagnosed with advanced-stage disease and experience poor outcomes. This study examined the diagnostic and pre-treatment intervals and factors associated with these intervals among BC patients attending care at the Uganda Cancer Institute (UCI). METHODS: This was a cross-sectional, facility-based study. Data were collected using structured questionnaire administered by trained research assistants and analyzed using STATA version 14.0. Modified Poisson regressions models were used to determine the strength of associations between independent variables and diagnostic and pre-treatment intervals. RESULTS: The mean age (±SD) of the 401 participants was 47.1 ± 11.7 years. Four in 10 participants had stage III (41.9%; n = 168) and over a third (34.7%; n = 140) stage IV cancers. The median interval from first consultation to diagnosis, i.e. diagnostic interval (DI) was 5.6 months (IQR: 1.5-17.0), while the median interval from histological diagnosis to start of chemotherapy, i.e. pre-treatment interval (PTI) was 1.7 months (IQR: 0.7-4.5). Majority (85%, n = 341) of participants were diagnosed at ≥3 months from first consultation with clinicians. Participants with tertiary education and those who lived within 100-199 km from the UCI were about four times and twice more likely to be diagnosed early (DI <3 months from first consultation) ([aPR = 3.88; 95% CI: 1.15-13.0] and [aPR = 2.19; 95% CI: 1.06-4.55]), respectively. About half (48.3%; n = 176) of participants started chemotherapy within 1 month of cancer diagnosis. Patients who lived more than 300 km from the UCI were less likely to start chemotherapy within 1 month of histology diagnosis of cancer. [Correction added on October 17, 2023 after first online publication. The term ', i.e.' has been included in the results section in this version.] CONCLUSION: Majority of breast cancer patients are diagnosed late and in advanced stages. There is need to promote all efforts toward timely diagnosis when cancers are still in early stages by identifying factors responsible for prolonged diagnostic intervals among breast cancer patients.


Asunto(s)
Neoplasias de la Mama , Humanos , Adulto , Persona de Mediana Edad , Femenino , Neoplasias de la Mama/diagnóstico , Neoplasias de la Mama/terapia , Neoplasias de la Mama/patología , Estudios Transversales , Uganda/epidemiología , Encuestas y Cuestionarios , Escolaridad
6.
BMC Cancer ; 23(1): 772, 2023 Aug 18.
Artículo en Inglés | MEDLINE | ID: mdl-37596529

RESUMEN

BACKGROUND: Population based cancer registries (PBCRs) are accepted as the gold standard for estimating cancer incidence in any population. However, only 15% of the world's population is covered by high quality cancer registries with coverage as low as 1.9% in settings such as Africa. This study was conducted to assess the operational feasibility of estimating cancer incidence using a retrospective "catchment population" approach in Uganda. METHODS: A retrospective population study was conducted in 2018 to identify all newly diagnosed cancer cases between 2013 and 2017 in Mbarara district. Data were extracted from the medical records of health facilities within Mbarara and from national and regional centres that provide cancer care services. Cases were coded according to the International Classification of Diseases for Oncology (ICD-0-03). Data was analysed using CanReg5 and Excel. RESULTS: We sought to collect data from 30 health facilities serving Mbarara district, southwestern Uganda. Twenty-eight sources (93%) provided approval within the set period of two months. Among the twenty-eight sources, two were excluded, as they did not record addresses for cancer cases, leaving 26 sources (87%) valid for data collection. While 13% of the sources charged a fee, ranging from $30 to $100, administrative clearance and approval was at no cost in most (87%) data sources. This study registered 1,258 new cancer cases in Mbarara district. Of the registered cases, 65.4% had a morphologically verified diagnosis indicating relatively good quality of data. The Age-Standardised Incidence Rates for all cancers combined were 109.9 and 91.9 per 100,000 in males and females, respectively. In males, the most commonly diagnosed cancers were prostate, oesophagus, stomach, Kaposi's sarcoma and liver. In females, the most common malignancies were cervix uteri, breast, stomach, liver and ovary. Approximately, 1 in 8 males and 1 in 10 females would develop cancer in Mbarara before the age of 75 years. CONCLUSION: Estimating cancer incidence using a retrospective cohort design and a "catchment population approach" is feasible in Uganda. Periodic studies using this approach are potentially a precious resource for producing quality cancer data in settings where PBCRs are scarce. This could supplement PBCR data to provide a detailed and comprehensive picture of the cancer burden over time, facilitating the direction of cancer control efforts in resource-limited countries.


Asunto(s)
Neoplasias , Configuración de Recursos Limitados , Femenino , Masculino , Humanos , Anciano , Uganda/epidemiología , Estudios de Factibilidad , Incidencia , Estudios Retrospectivos , Neoplasias/diagnóstico , Neoplasias/epidemiología
7.
World J Surg Oncol ; 21(1): 215, 2023 Jul 22.
Artículo en Inglés | MEDLINE | ID: mdl-37480083

RESUMEN

INTRODUCTION: In Western countries, right-sided colon cancers (RSCC) present at an older age and advanced stage. Researchers believe that there is a difference between left-sided colon cancer (LSCC) and RSCC. In Uganda, however, it is unknown whether differences exist in the pathological profile between RSCC and LSCC. The aim of this study was to determine the differences in clinicopathological characteristics between RSCC and LSCC in Ugandan patients. METHODOLOGY: A cross-sectional study was conducted in which colorectal adenocarcinoma formalin-fixed paraffin-embedded tissue (FFPE) blocks were obtained from 2008 to 2021. Colorectal specimens were obtained from prospectively recruited patients. In the retrospective study arm, FFPE blocks and data were obtained from the archives of pathology laboratory repositories. Parameters studied included age, sex, location of the tumour, grade, stage, lymphovascular (LVI) status, and histopathological subtype between LSCC and RSCC. RESULTS: Patients with RSCC were not older than those with LSCC (mean age, 56.3 years vs 53.5 years; p = 0.170). There was no difference in the stage between RSCC and LSCC. Poorly differentiated tumours were more commonly found in RSCC than in LSCC (18.7% vs 10.1%; p = 0.038). Moderately and poorly differentiated colonic tumours were more common with RSCC (89.3%) than with LSCC (75.1%) (p = 0.007). Younger patients had more poorly differentiated tumours than older patients (19.6% versus 8.6%; p = 0.002). LVI was more common with RSCC than with LSCC (96.8% vs 85.3%; p = 0.014). Mucinous adenocarcinoma (MAC) was more common with RSCC (15.8%) compared with LSCC (8.5%) (p = 0.056) although statistical significance was borderline. CONCLUSIONS: Clinicopathological features of RSCCs tend to be different from those of LSCCs. RSCCs tend to be associated with MAC, a higher grade and LVI status compared to LSCC. LSCC and RSCC present predominantly with an advanced stage; therefore, national screening programmes for the early detection of CRC are necessary to reduce mortality in our Ugandan population.


Asunto(s)
Adenocarcinoma , Enfermedades del Colon , Neoplasias del Colon , Neoplasias Colorrectales , Humanos , Persona de Mediana Edad , Uganda/epidemiología , Estudios Transversales , Estudios Retrospectivos , Neoplasias Colorrectales/epidemiología , Adenocarcinoma/epidemiología , Neoplasias del Colon/epidemiología
8.
Oncologist ; 28(11): e1017-e1030, 2023 Nov 02.
Artículo en Inglés | MEDLINE | ID: mdl-37368350

RESUMEN

BACKGROUND: Although non-Hodgkin lymphoma (NHL) is the 6th most common malignancy in Sub-Saharan Africa (SSA), little is known about its management and outcome. Herein, we examined treatment patterns and survival among NHL patients. METHODS: We obtained a random sample of adult patients diagnosed between 2011 and 2015 from 11 population-based cancer registries in 10 SSA countries. Descriptive statistics for lymphoma-directed therapy (LDT) and degree of concordance with National Comprehensive Cancer Network (NCCN) guidelines were calculated, and survival rates were estimated. FINDINGS: Of 516 patients included in the study, sub-classification was available for 42.1% (121 high-grade and 64 low-grade B-cell lymphoma, 15 T-cell lymphoma and 17 otherwise sub-classified NHL), whilst the remaining 57.9% were unclassified. Any LDT was identified for 195 of all patients (37.8%). NCCN guideline-recommended treatment was initiated in 21 patients. This corresponds to 4.1% of all 516 patients, and to 11.7% of 180 patients with sub-classified B-cell lymphoma and NCCN guidelines available. Deviations from guideline-recommended treatment were initiated in another 49 (9.5% of 516, 27.2% of 180). By registry, the proportion of all patients receiving guideline-concordant LDT ranged from 30.8% in Namibia to 0% in Maputo and Bamako. Concordance with treatment recommendations was not assessable in 75.1% of patients (records not traced (43.2%), traced but no sub-classification identified (27.8%), traced but no guidelines available (4.1%)). By registry, diagnostic work-up was in part importantly limited, thus impeding guideline evaluation significantly. Overall 1-year survival was 61.2% (95%CI 55.3%-67.1%). Poor ECOG performance status, advanced stage, less than 5 cycles and absence of chemo (immuno-) therapy were associated with unfavorable survival, while HIV status, age, and gender did not impact survival. In diffuse large B-cell lymphoma, initiation of guideline-concordant treatment was associated with favorable survival. INTERPRETATION: This study shows that a majority of NHL patients in SSA are untreated or undertreated, resulting in unfavorable survival. Investments in enhanced diagnostic services, provision of chemo(immuno-)therapy and supportive care will likely improve outcomes in the region.


Asunto(s)
Linfoma de Células B Grandes Difuso , Linfoma de Células T Periférico , Linfoma de Células T , Humanos , Adulto , Tasa de Supervivencia , Resultado del Tratamiento
9.
PLoS One ; 18(4): e0284969, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37098079

RESUMEN

BACKGROUND: Although reproductive failure after cancer treatment in children and young adults has been extensively described in high-income countries, there is a paucity of data in low-income settings. In addition, patient, parent, or health worker experiences, perspectives, and attitudes toward the risk of reproductive failure among young cancer patients in these settings are unknown. This study will describe the extent of reproductive morbidity associated with cancer treatment among childhood and young adult cancer survivors in Uganda. In addition, we aim to explore the contextual enablers and barriers to addressing cancer treatment-related reproductive morbidity in Uganda. METHODS: This is an explanatory sequential mixed-method study. The quantitative phase will be a survey among childhood and young adult cancer survivors recruited from the Kampala Cancer Registry (KCR). The survey will utilize a Computer Assisted Telephone Interview (CATI) platform on a minimum of 362 survivors. The survey will obtain information on self-reported reproductive morbidity and access to oncofertility care. The qualitative phase will use grounded theory to explore contextual barriers and enablers to addressing reproductive morbidity associated with cancer treatment. The quantitative and qualitative phases will be integrated at the intermediate and results stage. CONCLUSION: Results from this study will inform the development of policy, guidelines, and programs supporting reproductive health among childhood and young adult cancer survivors.


Asunto(s)
Neoplasias , Salud Reproductiva , Niño , Humanos , Adulto Joven , Uganda/epidemiología , Sobrevivientes , Encuestas y Cuestionarios , Pobreza , Neoplasias/terapia , Neoplasias/complicaciones
10.
J Adolesc Young Adult Oncol ; 12(5): 718-726, 2023 10.
Artículo en Inglés | MEDLINE | ID: mdl-36787466

RESUMEN

Background: Despite a plethora of literature on barriers to addressing future fertility in childhood cancer survivors, the data are not representative of limited middle-income settings. Unique and context-specific factors may influence addressing future fertility care among childhood cancer survivors in Uganda. This study aimed to explore the experiences, attitudes, and perceptions of parents on their interactions with health providers about future fertility, as part of their child's cancer survivorship. Methods: Using grounded theory, semistructured interviews were conducted with parents of children diagnosed with cancer, <18 years of age, and not in the induction or consolidation phases of treatment. Transcripts were thematically analyzed. Results: A total of 20 participants were interviewed, with the majority identifying as female (n = 18). The global theme that arose was the importance of shared decision-making, and the key themes encompassing this were as follows: (1) importance of accurate information, (2) respect of autonomy, and (3) engagement and psychosocial support. Conclusion: In Uganda, parents of children with cancer value a multifaceted approach to satisfactory decision-making within the context of oncofertility.


Asunto(s)
Supervivientes de Cáncer , Neoplasias , Humanos , Niño , Femenino , Supervivientes de Cáncer/psicología , Uganda , Neoplasias/terapia , Neoplasias/psicología , Fertilidad , Padres/psicología , Toma de Decisiones
11.
J Adolesc Young Adult Oncol ; 12(4): 520-528, 2023 08.
Artículo en Inglés | MEDLINE | ID: mdl-36579945

RESUMEN

Purpose: To establish the extent of self-reported reproductive failure associated with cancer treatment, and attitudes toward fertility among adolescent and young adult (AYA) cancer survivors in Uganda. Methods: A registry-based computer-assisted telephone interview survey was conducted in Uganda. The survey population were survivors of childhood, adolescent and early adulthood cancers diagnosed between 2007 and 2018. The survey explored fertility outcomes, experiences of oncofertility and fertility attitudes of AYA cancer survivors. Results: Thirty-four (female = 14 and male = 20) interviews were completed. Survivors were 18-35 years of age. The median age at cancer diagnosis was 23.5 for females and 17.5 for males. Kaposi's sarcoma contributed to 44% of primary cancer diagnoses. All the survivors had received chemotherapy alone or in combination with other modalities and 79% of survivors had not received satisfactory information about future fertility before cancer treatment. Twenty one percent of males and 46% females met the criteria for infertility and 60% of these had met this criterion after their cancer diagnosis. Eighty two percent wanted to raise a biologically related child. Forty seven percent would be dissatisfied with their lives if they were unable to have a child or additional children. Conclusion: AYA cancer survivors in this low-resource setting reported reproductive failure, despite a strong fertility desire. Information and counseling provided on therapy-related problems before cancer treatment was insufficient and reinforces the need to build capacity for oncofertility resources within the region.


Asunto(s)
Preservación de la Fertilidad , Neoplasias , Niño , Humanos , Masculino , Femenino , Adulto Joven , Adolescente , Adulto , Fertilidad , Sobrevivientes/psicología , Neoplasias/psicología , Actitud , Preservación de la Fertilidad/psicología , Sistema de Registros , Computadores , Teléfono
12.
Cancer Manag Res ; 14: 2657-2669, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-36097505

RESUMEN

Introduction: The incidence of colorectal cancer (CRC) is increasing in East Africa. Changes in lifestyle and dietary changes, particularly alcohol consumption, smoking, and consumption of cooked meats with a reduction in fibre in the diet may be responsible. The objective of our study was to determine the risk factors responsible for CRC in Uganda. Methods: We recruited 129 participants with histologically proven colorectal adenocarcinoma and 258 control participants from four specialized hospitals in central Uganda from 2019 to 2021. Controls were block matched for age (±5 years) and sex of the case participants. The risk factor variables included; area of residence, tribe, body mass index (BMI), smoking, alcohol consumption and family history of gastrointestinal cancer. We used conditional or ordinal logistic regression to obtain crude and adjusted odds ratios for risk factors associated with CRC. Results: In bivariate analysis, case participants were more likely to be associated with urban residence (cOR:62.11; p<0.001); family history of GI cancer (cOR: 14.34; p=0.001); past smokers (cOR: 2.10; p=0.080); past alcohol drinkers (cOR: 2.35; p=0.012); current alcohol drinkers (cOR: 3.55; p<0.001); high BMI 25-29.9 kg/m2 (cOR: 2.49; p<0.001); and high BMI ≥30kg/m2 (cOR: 2.37; p=0.012). In the multivariate analysis, urban residence (aOR: 82.79; p<0.001), family history of GI cancer (aOR: 61.09; p<0.001) and past smoking (aOR: 4.73; p=0.036) were independently associated with a higher risk of developing CRC. Conclusion: A family history of gastrointestinal cancer was a risk factor for CRC. While population-based CRC screening may not be feasible in low income-countries, targeted CRC screening for first-degree relatives with CRC should be considered in East Africa. Molecular genetic studies need to be carried out to determine the role of hereditary factors in our population. Prevention strategies should be adopted to avoid smoking in our population which was associated with an increased risk of CRC.

13.
J Cancer Policy ; 34: 100360, 2022 12.
Artículo en Inglés | MEDLINE | ID: mdl-36089226

RESUMEN

INTRODUCTION: Prostate cancer screening is a valuable public health tool in the early detection of prostate cancer. In this study, we aimed to determine the socioeconomic inequalities in the coverage of prostate cancer screening in Low and Middle-Income Countries (LMICs). METHODS: This was a retrospective analysis of men's recode data files that were collected by the Demographic and Health Surveys (DHS) in LMICs (Armenia, Colombia, Honduras, Kenya, Namibia, Dominican Republic, and the Philippines). We included surveys that were conducted from 2010 to 2020 and measured the coverage of prostate cancer screening and the study population was men aged 40 years or older. Socioeconomic inequality was measured using the Concertation Index (CIX) and the Slope Index of Inequality (SII). RESULTS: Eight surveys from seven countries were included in the study with a total of 47,863 men. The coverage of prostate cancer screening was below 50% in all the countries with lower rates in the rural areas compared to the urban areas. The pooled estimate for the coverage of screening was 10.4% [95% CI, 7.9-12.9%). Inequalities in the coverage of prostate cancer screening between the wealth quintiles were observed in the Democratic Republic, Honduras, and Namibia. Great variation in inequalities in the coverage of prostate cancer screening between rural and urban residents was observed in Colombia and Namibia. CONCLUSION: The coverage of prostate cancer screening was low in LMICs with variations in the coverage by the quintile of wealth (pro-rich) and type of place of residence (pro-urban). POLICY SUMMARY: To achieve the desired impact of prostate cancer screening services in LMICs, it is important that the coverage of screening programs targets men living in rural areas and those in low wealth quintiles.


Asunto(s)
Países en Desarrollo , Neoplasias de la Próstata , Masculino , Humanos , Factores Socioeconómicos , Detección Precoz del Cáncer , Estudios Retrospectivos , Neoplasias de la Próstata/diagnóstico , Antígeno Prostático Específico , Demografía
14.
J Glob Health ; 12: 04032, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35493778

RESUMEN

Background: The global burden of cervical cancer is concentrated in low-and middle-income countries (LMICs), with the greatest burden in Africa. Targeting limited resources to populations with the greatest need to maximize impact is essential. The objectives of this study were to geocode cervical cancer data from a population-based cancer registry in Kampala, Uganda, to create high-resolution disease maps for cervical cancer prevention and control planning, and to share lessons learned to optimize efforts in other low-resource settings. Methods: Kampala Cancer Registry records for cervical cancer diagnoses between 2008 and 2015 were updated to include geographies of residence at diagnosis. Population data by age and sex for 2014 was obtained from the Uganda Bureau of Statistics. Indirectly age-standardized incidence ratios were calculated for sub-counties and estimated continuously across the study area using parish level data. Results: Overall, among 1873 records, 89.6% included a valid sub-county and 89.2% included a valid parish name. Maps revealed specific areas of high cervical cancer incidence in the region, with significant variation within sub-counties, highlighting the importance of high-resolution spatial detail. Conclusions: Population-based cancer registry data and geospatial mapping can be used in low-resource settings to support cancer prevention and control efforts, and to create the potential for research examining geographic factors that influence cancer outcomes. It is essential to support LMIC cancer registries to maximize the benefits from the use of limited cancer control resources.


Asunto(s)
Neoplasias del Cuello Uterino , Femenino , Humanos , Incidencia , Pobreza , Análisis Espacial , Uganda/epidemiología , Neoplasias del Cuello Uterino/epidemiología , Neoplasias del Cuello Uterino/prevención & control
15.
Cancer Manag Res ; 14: 875-893, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35250313

RESUMEN

BACKGROUND: In Uganda, similar to other countries in East Africa, the incidence of colorectal cancer (CRC) has been steadily increasing. This increase in incidence is accompanied by a poor prognosis. There is limited knowledge on factors responsible for the poor outcome of patients with CRC in Uganda. Cancer survival analysis is one way of determining some of these prognostic factors. The aim of this study was to determine prognostic factors associated with CRC survival in Ugandan patients. METHODS: This was a retroprospective cohort study involving patients with linked data in the Kampala cancer registry and medical records from hospitals in Uganda. Participants with a diagnosis of colorectal adenocarcinoma between 1st January 2008 and 31st December 2018 were included. Variables included patients' demographic data, grade, stage and location of CRC, data on whether a patient was operated on, type of operation, treatment modalities and date of diagnosis. Our outcome variable was time to death after diagnosis. We computed and compared survival using the Log rank test and used Cox proportional hazards regression to determine factors associated with survival. RESULTS: A total of 247 patients were included in the study with a mean (SD) age of 53.3 (15.7) years and a female: male ratio of 1.14:1. The proportions of patients surviving at 1, 2 and 3 years were 65.2% (95% CI: 58.8-70.9), 42.0% (95% CI:35.6-48.3) and 33.3% (95% CI:27.3-39.4) respectively. In multivariate analysis, factors associated with increased mortality included clinical stage II (aHR = 2.44, 95% CI: 1.10-5.41, p=0.028), stage III (aHR=2.65, 95% CI: 1.31-5.39, p=0.007) and stage IV (aHR=5.47, 95% CI: 2.40-12.48, p<0.001). Curative surgery alone (aHR=0.63, 95% CI: 0.39-1.01, p=0.057) and curative surgery with chemotherapy (aHR=0.53, 95% CI: 0.32-0.88, p=0.015) were associated with a better survival. CONCLUSION: The survival rate among CRC patients in Uganda is low. Advanced stage CRC accelerates mortality, while surgery alone or in combination with chemotherapy improves survival. Implementation of national screening programmes for early diagnosis of CRC and increasing surgery and oncology infrastructure is recommended to improve the CRC survival rate in the Ugandan population.

16.
BMJ Open ; 12(3): e056722, 2022 03 16.
Artículo en Inglés | MEDLINE | ID: mdl-35296484

RESUMEN

OBJECTIVES: In Uganda, infection-related cancers have made the greatest contribution to cancer burden in the past; however, burden from lifestyle-related cancers has increased recently. Using the Kampala Cancer Registry data, we projected incidence of top five cancers, namely, Kaposi sarcoma (KS), cervical, breast and prostate cancer, and non-Hodgkin's lymphoma (NHL) in Uganda. DESIGN: Trend analysis of cancer registry data. SETTING: Kampala Cancer Registry, Uganda. MAIN OUTCOME MEASURE: Cancer incidence data from 2001 to 2015 were used and projected to 2030. Population data were obtained from the Uganda Bureau of Statistics. Age-standardised incidence rates (ASRs) and their trends over the observed and projected period were calculated. Percentage change in cancer incidence was calculated to determine whether cancer incidence changes were attributable to cancer risk changes or population changes. RESULTS: It was projected that the incidence rates of KS and NHL continue to decrease by 22.6% and 37.3%, respectively. The ASR of KS was expected to decline from 29.6 per 100 000 population to 10.4, while ASR of NHL was expected to decrease from 7.6 to 3.2. In contrast, cervical, breast and prostate cancer incidence were projected to increase by 35.3%, 57.7% and 33.4%, respectively. The ASRs of cervical and breast were projected to increase up to 66.1 and 48.4 per 100 000 women. The ASR of prostate cancer was estimated to increase from 41.6 to 60.5 per 100 000 men. These changes were due to changes in risk factors and population growth. CONCLUSION: Our results suggest a rapid shift in the profile of common cancers in Uganda, reflecting a new trend emerging in low/middle-income countries. This change in cancer spectrum, from infection-related to lifestyle-related, yields another challenge to cancer control programmes in resource-limited countries. Forthcoming cancer control programmes should include a substantial focus on lifestyle-related cancers, while infectious disease control programmes should be maintained.


Asunto(s)
Neoplasias , Neoplasias de la Próstata , Sarcoma de Kaposi , Humanos , Incidencia , Estilo de Vida , Masculino , Neoplasias/epidemiología , Neoplasias de la Próstata/epidemiología , Sistema de Registros , Sarcoma de Kaposi/epidemiología , Uganda/epidemiología
17.
J Taibah Univ Med Sci ; 17(1): 96-104, 2022 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-35140571

RESUMEN

OBJECTIVES: This study aims to determine the histopathological patterns and biological characteristics of ameloblastoma. METHODS: This was a cross-sectional retrospective laboratory-based study using 82 formalin-fixed paraffin-embedded tissue blocks from patients diagnosed histologically with ameloblastoma. Information regarding age, sex, anatomical location of the lesion, histopathologic type, and biological behaviour or characteristics of the types of ameloblastoma was obtained from laboratory request forms. Categorical and continuous variables were summarized in percentage and mean ± standard deviation, respectively. The cohort was conducted on Ugandan patients diagnosed between 2016 and 2019. RESULTS: Most patients (66.3%) were clinically presenting a painless jaw swelling, and a follicular pattern was common (39%) followed by the plexiform pattern (12.2%). All the ameloblastoma cases (100%) were benign, with the majority (76.8%) cases being non-recurrent while the remaining (23.2%) were recurrent, and the plexiform pattern was the commonest recurrent histopathological pattern. CONCLUSION: This study reports a relatively significant rate of recurrence in almost a quarter of the study population. The plexiform histopathologic type was the dominant type in recurrence cases. Therefore, this finding provides insightful information to clinicians to ensure close follow-up for patients diagnosed with such a variant to prevent possible relapse of the disease.

18.
J Natl Compr Canc Netw ; 20(13)2021 12 29.
Artículo en Inglés | MEDLINE | ID: mdl-34965508

RESUMEN

BACKGROUND: Breast cancer (BC) is the most common cancer in sub-Saharan Africa (SSA). However, little is known about the actual therapy received by women with BC and their survival outcome at the population level in SSA. This study aims to describe the cancer-directed therapy received by patients with BC at the population level in SSA, compare these results with the NCCN Harmonized Guidelines for SSA (NCCN Harmonized Guidelines), and evaluate the impact on survival. METHODS: Random samples of patients with BC (≥40 patients per registry), diagnosed from 2009 through 2015, were drawn from 11 urban population-based cancer registries from 10 countries (Benin, Congo, Cote d'Ivoire, Ethiopia, Kenya, Mali, Mozambique, Namibia, Uganda, and Zimbabwe). Active methods were used to update the therapy and outcome data of diagnosed patients ("traced patients"). Excess hazards of death by therapy use were modeled in a relative survival context. RESULTS: A total of 809 patients were included. Additional information was traced for 517 patients (63.8%), and this proportion varied by registry. One in 5 traced patients met the minimum diagnostic criteria (cancer stage and hormone receptor status known) for use of the NCCN Harmonized Guidelines. The hormone receptor status was unknown for 72.5% of patients. Of the traced patients with stage I-III BC (n=320), 50.9% received inadequate or no cancer-directed therapy. Access to therapy differed by registry area. Initiation of adequate therapy and early-stage diagnosis were the most important determinants of survival. CONCLUSIONS: Downstaging BC and improving access to diagnostics and care are necessary steps to increase guideline adherence and improve survival for women in SSA. It will also be important to strengthen health systems and facilities for data management in SSA to facilitate patient follow-up and disease surveillance.


Asunto(s)
Neoplasias de la Mama , Humanos , Femenino , Neoplasias de la Mama/diagnóstico , Neoplasias de la Mama/epidemiología , Neoplasias de la Mama/terapia , Manejo de Datos , África del Sur del Sahara/epidemiología , Estadificación de Neoplasias , Sistema de Registros
19.
BMC Fam Pract ; 22(1): 155, 2021 07 19.
Artículo en Inglés | MEDLINE | ID: mdl-34275446

RESUMEN

BACKGROUND: Many cancer patients in the low- and middle-income countries seek care with traditional health practitioners (THPs) and use traditional and complementary medicines (T&CMs) for treatment of cancers. Little is known about the perceptions and influence of THPs on cancer patients' help-seeking and treatment decisions. We aimed to explore perceptions of THPs regarding cancers, cancer causes, and preferred treatments for cancers, in order to identify aspects that can inform interventions to improve cancer outcomes in Uganda. METHODS: We conducted this ethnographic study in northern Uganda. In-depth interviews were conducted at the respondents' homes in quiet, open places, and in the absence of none- respondents. Interviews were audio-recorded and transcribed verbatim within a week of the interviews. Thematic qualitative analysis approaches were used to identify themes and subthemes. RESULTS: We included 21 respondents in the study; most were male (16/21), married, with median age of 59 years (range 39 - 80). Most respondents perceived cancer as a new and challenging disease, while one respondent thought of cancer as a result of an imbalance within the body. Most confessed unawareness of the causes of cancers, but believed that cancer could result from the interplay of a number of factors including poor diets, ingestions of chemical agents, and assaults by the spirits of the dead. Some reported that cancers (especially of women's genital tracts) were sexually transmitted, or caused by accumulation of dirt. Only few healers treated cancers. Most respondents reported that they referred cancer patients to biomedical facilities, sometimes after they have first used their medicines. Most respondents hoped that collaborative research with scientists could help them identify potent T&CMs that cure cancers. CONCLUSION: Traditional health practitioners require training on cancer causes, symptoms and signs, and the necessity for prompt initiation of effective treatments in order to improve cancer outcomes. The predisposition of the majority of respondents to refer cancer patients to biomedical services sets a fertile ground for meaningful cooperation between biomedical and traditional health practices. The national health system in the low- and middle-income countries could formally recognize traditional health practices as a component of the national healthcare system, and encourage the two to practice side by side.


Asunto(s)
Neoplasias , Adulto , Anciano , Anciano de 80 o más Años , Atención a la Salud , Femenino , Humanos , Masculino , Persona de Mediana Edad , Neoplasias/terapia , Percepción , Investigación Cualitativa , Uganda
20.
Cancer Causes Control ; 32(9): 1001-1019, 2021 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-34244896

RESUMEN

OBJECTIVES: To estimate observed and relative survival of prostate cancer patients in sub-Saharan Africa (SSA) and to examine the influence of age, stage at diagnosis and the Human Development Index (HDI). PATIENTS AND METHODS: In this comparative registry study, we selected a random sample of 1752 incident cases of malign prostatic neoplasm from 12 population-based cancer registries from 10 SSA countries, registered between 2005 and 2015. We analyzed the data using Kaplan-Meier and Ederer II methods to obtain outcome estimates and flexible Poisson regression modeling to calculate the excess hazards of death RESULTS: For the 1406 patients included in the survival analyses, 763 deaths occurred during 3614 person-years of observation. Of patients with known stage, 45.2% had stage IV disease, 31.2% stage III and only 23.6% stage I and II. The 1 and 5-year relative survival for the entire cohort was 78.0% (75.4-80.7) and 60.0% (55.7-64.6), while varying between the registries. Late presentation was associated with increased excess hazards and a 0.1 increase in the HDI was associated with a 20% lower excess hazard of death, while for age at diagnosis no association was found. CONCLUSIONS: We found poor survival of SSA prostatic tumor patients, as well as high proportions of late stage presentation, which are associated with inferior outcome. This calls for investment in health-care systems and action regarding projects to raise awareness among the population to achieve earlier diagnosis and improve survival.


Asunto(s)
Neoplasias de la Próstata , África del Sur del Sahara , Humanos , Masculino , Estadificación de Neoplasias , Neoplasias de la Próstata/diagnóstico , Neoplasias de la Próstata/epidemiología , Sistema de Registros
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