20 results on '"Fokom Domgue J"'
Search Results
2. Assessing generalizability of an AI-based visual test for cervical cancer screening.
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Ahmed SR, Egemen D, Befano B, Rodriguez AC, Jeronimo J, Desai K, Teran C, Alfaro K, Fokom-Domgue J, Charoenkwan K, Mungo C, Luckett R, Saidu R, Raiol T, Ribeiro A, Gage JC, de Sanjose S, Kalpathy-Cramer J, and Schiffman M
- Abstract
A number of challenges hinder artificial intelligence (AI) models from effective clinical translation. Foremost among these challenges is the lack of generalizability, which is defined as the ability of a model to perform well on datasets that have different characteristics from the training data. We recently investigated the development of an AI pipeline on digital images of the cervix, utilizing a multi-heterogeneous dataset of 9,462 women (17,013 images) and a multi-stage model selection and optimization approach, to generate a diagnostic classifier able to classify images of the cervix into "normal", "indeterminate" and "precancer/cancer" (denoted as "precancer+") categories. In this work, we investigate the performance of this multiclass classifier on external data not utilized in training and internal validation, to assess the generalizability of the classifier when moving to new settings. We assessed both the classification performance and repeatability of our classifier model across the two axes of heterogeneity present in our dataset: image capture device and geography, utilizing both out-of-the-box inference and retraining with external data. Our results demonstrate that device-level heterogeneity affects our model performance more than geography-level heterogeneity. Classification performance of our model is strong on images from a new geography without retraining, while incremental retraining with inclusion of images from a new device progressively improves classification performance on that device up to a point of saturation. Repeatability of our model is relatively unaffected by data heterogeneity and remains strong throughout. Our work supports the need for optimized retraining approaches that address data heterogeneity (e.g., when moving to a new device) to facilitate effective use of AI models in new settings., Competing Interests: The authors have declared that no competing interests exist., (Copyright: This is an open access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication.)
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- 2024
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3. Prevalence and disparities in receiving medical advice to quit tobacco use in the US adult population.
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Chandra M, Talluri R, Fokom Domgue J, and Shete S
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- Humans, Male, Female, Adult, Middle Aged, United States epidemiology, Prevalence, Adolescent, Young Adult, Tobacco Use epidemiology, Aged, Healthcare Disparities statistics & numerical data, Tobacco Use Cessation statistics & numerical data, Health Surveys, Smoking Cessation statistics & numerical data
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Introduction: Evidence suggests that advice from health care professionals (HCP) increases the likelihood of quit attempts and successful quitting of tobacco use. However, previous studies primarily focussed on cigarette smoking and did not include all forms of tobacco products. This study aimed to investigate the prevalence and disparities in receiving HCP's advice to quit tobacco use (combustible or noncombustible) in the US adult population., Methods: Using the 2022 National Health Information Survey (NHIS) data, we examined 4,424 adults who reported (i) any tobacco product use within the past 12 months and (ii) having seen an HCP within the past 12 months. The outcome variable included the receipt of advice to quit tobacco use from an HCP, and predictors included sociodemographic variables. Weighted prevalence estimates were calculated, and multivariable regression analyses were conducted., Results: Over 38% of tobacco users who visited an HCP were advised to quit. The odds of receiving such advice were lower among Hispanics (AOR: 0.625; 95% confidence interval (CI) [0.464-0.843]; p = 0.002), males (AOR: 0.767; 95% CI [0.659-0.893], p = 0.001), those above the poverty level (AOR: 0.795; 95% CI [0.641-0.987]; p = 0.037), foreign-born (AOR: 0.664; 95% CI [0.496-0.888]; p = 0.006), those with a bachelor's degree or higher educational level (AOR: 0.477; 95% CI [0.349-0.653]; p < 0.001) and those aged less than 45 years (AOR: 0.404; 95% CI: [0.344-0.473]; p < 0.001)., Conclusion: The prevalence of receiving HCP's advice to quit tobacco use remains suboptimal and disparate among sociodemographic groups. Our findings call for strategic implementation of the USPHS's recommendation on treating tobacco use and taking further actions to equip HCPs with the training and resources needed to provide appropriate advice to quit tobacco., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Chandra, Talluri, Fokom Domgue and Shete.)
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- 2024
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4. Global distribution and career outcomes of international fellows trained in Canadian gynecologic oncology programs.
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Touhami O, De Guerke L, Teo Fortin LA, Foo J, Provencher D, Samouelian V, Cormier B, Lau S, Salvador S, Gotlieb W, Gilbert L, Laframboise S, Altman AD, Ghatage P, Brar H, Kwon J, Le T, Sebastianelli A, Fokom Domgue J, and Plante M
- Abstract
Objective: We assessed the global distribution and academic, administrative and research outcomes of international fellows (IFs) trained in Canadian gynecologic oncology (GO) programs., Methods: A web-based survey was sent to IFs who completed GO training in Canada. Using the Web of science database, we identified the publication list, citation record and H-index of IFs and classified them according to their region of practice: high-income countries (HIC), middle income countries (MIC), and low-income countries (LIC)., Results: From 1996 to 2020, 81 IFs from 23 countries were trained in English-speaking (62,9%) and French-speaking Canadian universities (37,1%). Most IFs came from HIC (87,6%) and none from LIC. Only 12 IFs (14,8%) are now practicing in Canada. Of the 55 IFs who completed the survey (response rate: 67,9%), the majority (58,2%) reported working in an academic hospital and 29,1% were holding an executive position in a national scholar organization. IFs participated in mentoring residents (96.4 %) and medical students (83,6%) and 36,3% initiated a GO fellowship program in their home country. 67,3% of IFs were involved in international research collaboration and 52,7% participated in international clinical trials. The mean number of publications (22,36 vs 7,75, p = 0.007), citations (369,15 vs 45,12 p = 0.0006) and H-Index (6,88 vs 2,37 p = 0.0001) were significantly higher among IFs working in HIC compared to those in MIC. Most IFs (98,2%) recommended their Canadian GO fellowship program to a colleague from their home country., Conclusion: Most IFs trained in Canadian GO fellowship programs returned to their home countries and achieved important milestones in terms of academic, clinical and research accomplishments., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2024 The Authors. Published by Elsevier Inc.)
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- 2024
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5. Disparities in HPV Vaccination Among Adolescents by Health Care Facility Type.
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Nair M, Fokom Domgue J, Joseph CLM, Alleman ER, Williams AM, Abouelella DK, Babatunde OA, Osazuwa-Peters N, and Adjei Boakye E
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- Humans, Adolescent, Female, Cross-Sectional Studies, Male, United States, Healthcare Disparities statistics & numerical data, Vaccination statistics & numerical data, Health Facilities statistics & numerical data, Papillomavirus Vaccines administration & dosage, Papillomavirus Infections prevention & control
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Importance: Approximately 31 000 cases of human papillomavirus (HPV)-associated cancers are diagnosed annually in the US. The HPV vaccine can prevent more than 90% of these cancers, yet national uptake remains lower than the Healthy People 2030 target of 80% completion. To devise targeted interventions to increase the uptake of HPV vaccines, it is crucial to understand the vaccination rates across various health care settings., Objective: To examine the association between health care facility type and adolescent HPV vaccine uptake and clinician recommendation for the vaccine in the US., Design, Setting, and Participants: This cross-sectional study uses a complex sampling design of data from the 2020 National Immunization Survey-Teen. The study included adolescents aged 13 to 17 years. The data analysis was completed between March 1 and May 31, 2022., Exposure: Health care facility type classified as public, hospital-based, private, mixed (more than 1 type), and other facilities (eg, military health care facility; Women, Infants, and Children clinic; school-based health center; pharmacy)., Main Outcomes and Measures: Initiation of HPV vaccination was defined as the receipt of at least 1 dose of the HPV vaccine and completion as receipt of at least 2 or 3 doses, depending on age of initiation. Parent or guardian self-reported clinician recommendation was categorized as yes or no. Weighted, multivariable logistic regression models were used to estimate the odds of initiating and completing the HPV vaccine series and receiving clinician recommendation by health care facility type adjusted for adolescent and maternal characteristics., Results: A total of 20 162 adolescents (mean [SD] age, 14.9 [1.4] years; 51.0% male) were included. Clinician recommendation for the HPV vaccine was received by 81.4% of adolescents, and 75.1% initiated and 58.6% completed the HPV vaccine series. In the adjusted analyses, adolescents who received recommended vaccinations at public facilities had lower odds of initiating (adjusted odds ratio [AOR], 0.71; 95% CI, 0.58-0.88) and completing (AOR, 0.62; 95% CI, 0.51-0.76) HPV vaccination compared with those who received recommended vaccinations at private facilities. Similarly, adolescents who received recommended vaccinations at public facilities (AOR, 0.62; 95% CI, 0.51-0.77) had lower odds of receiving a clinician recommendation for the HPV vaccine compared with those who received recommended vaccinations at private facilities., Conclusions and Relevance: These findings reveal health disparities in HPV vaccination among adolescent populations served by public health care facilities, suggesting that a greater focus is needed on vaccine recommendations and uptake in public facilities.
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- 2024
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6. Challenges faced in managing cervical cancer patients who present post-operatively with more advanced disease in LMICs: Case studies from Cameroon.
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Ngalla C, Didymus J, Manjuh F, Nwufor M, Nkfusai J, Elit L, and Fokom Domgue J
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Cameroon is a low-and-middle income country (LMIC) with one of the highest incidence and mortality from cervical cancer in Africa. In this Central African country where the prevalence of human immunodeficiency virus (HIV) is high and the screening coverage is low, cervical cancer is the most deadly and the second most common cancer among women. Notwithstanding the growing burden of cervical cancer in Cameroon, most patients - often of lower socioeconomic status - continue to encounter multi-level barriers to timely and adequate care. These include the lack of physical and financial access to healthcare facilities, limited quality pathology, imaging and treatment services, ignorance of disease by the population, shortage of a well-trained oncology workfroce, which result in significant delays in gaining access to screening, diagnosis, treatment and care. This paper presents 3 cases of patients with advanced cervical cancer who had surgery (hysterectomy) as primary treatment, without appropriate post-surgical investigation to further specify disease stage, persistence of residual disease, and need for adjuvant chemoradiation. Pathology services and diagnostic imaging procedures remain scarce and underused in LMIC countries like Cameroon. Healthcare professionals involved in patient care lack adequate knowledge, skills and collaborative strategy to properly navigate these patients. To address these challenges, the health system should be reinforced with adequate infrastructures, sustainable funding should be secured to enhance universal health coverage and promote cancer prevention and control programs, multidisciplinary teams and coordination of care among providers should be improved, and relevant health indicators should be put in place to better monitor the quality of care delivered to patients who are mostly vulnerable and uninformed., (© 2024 The Author(s).)
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- 2024
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7. Association of perceived neighborhood air quality problems with attempt to quit cigarette smoking: a cross-sectional study in Texas.
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Chandra M, Fokom Domgue J, Yu R, and Shete S
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- Humans, Texas, Male, Female, Cross-Sectional Studies, Adult, Middle Aged, Cigarette Smoking epidemiology, Air Pollution, Surveys and Questionnaires, Young Adult, Adolescent, Aged, Smoking Cessation statistics & numerical data, Smoking Cessation psychology, Residence Characteristics statistics & numerical data
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Background: Cigarette smoking is the major preventable cause of premature deaths in the United States. Attempting to quit smoking is an important step toward smoking cessation. Although it has been studied extensively, limited information on the association between attempts to quit smoking and neighborhood air quality problems is available. Therefore, we examined the association between attempts to quit smoking in the past year and perceived neighborhood air quality problems among adult Texans who smoke., Methods: In 2018, a cross-sectional multistage area probability design-based survey was administered to collect sociodemographic, behavioral, and health-related information from a representative sample of 2050 Texas residents. The current study included 486 adult respondents who reported smoking within the past 12 months. The association between attempts to quit smoking and perceived neighborhood air quality (measured by self-reported problems with neighborhood air quality) was examined using a population-weighted multivariable logistic regression analysis., Results: Overall, 60.7% of the 486 respondents attempted to quit cigarette smoking. The prevalence of attempting to quit was 74.6% for those reporting perceived neighborhood air quality problems. In the multivariable analysis, a higher likelihood of attempting to quit smoking was found among individuals with perceived neighborhood air quality problems (AOR: 1.906 [1.104-3.289]) and those who were married or living as married (AOR: 1.876 [1.161-3.033]). The likelihood of attempts to quit smoking was lower among males (AOR: 0.629 [0.397-0.995]) and decreased with age (AOR: 0.968 [0.951-0.984])., Discussion: The perceived neighborhood air quality problems were found to independently predict attempts to quit cigarette smoking in Texas. To encourage quitting smoking among individuals living in neighborhoods with poor air quality, such neighborhoods should receive tailored and evidence-based interventions to improve community education, social support, and healthcare professionals' assistance to quit smoking., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Chandra, Fokom Domgue, Yu and Shete.)
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- 2024
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8. Single dose HPV vaccine in achieving global cervical cancer elimination.
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Fokom-Defo V, Dille I, and Fokom-Domgue J
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- Female, Humans, Vaccination, Uterine Cervical Neoplasms epidemiology, Uterine Cervical Neoplasms prevention & control, Papillomavirus Vaccines, Papillomavirus Infections epidemiology, Papillomavirus Infections prevention & control
- Abstract
Competing Interests: We declare no competing interests.
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- 2024
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9. Mapping of Radiation Oncology and Gynecologic Oncology Services Available to Treat the Growing Burden of Cervical Cancer in Africa.
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Anakwenze CP, Allanson E, Ewongwo A, Lumley C, Bazzett-Matabele L, Msadabwe SC, Kamfwa P, Shouman T, Lombe D, Rubagumya F, Polo A, Ntekim A, Vanderpuye V, Ghebre R, Kochbati L, Awol M, Gnangnon FHR, Snyman L, Fokom Domgue J, Incrocci L, Ndlovu N, Razakanaivo M, Abdel-Wahab M, Trimble E, Schmeler K, Simonds H, and Grover S
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- Female, Humans, Workforce, Africa epidemiology, Uterine Cervical Neoplasms radiotherapy, Radiation Oncology, Genital Neoplasms, Female
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Purpose: To meet the demand for cervical cancer care in Africa, access to surgical and radiation therapy services needs to be understood. We thus mapped the availability of gynecologic and radiation therapy equipment and staffing for treating cervical cancer., Methods and Materials: We collected data on gynecologic and radiation oncology staffing, equipment, and infrastructure capacities across Africa. Data was obtained from February to July 2021 through collaboration with international partners using Research Electronic Data Capture. Cancer incidence was taken from the International Agency for Research on Cancer's GLOBOCAN 2020 database. Treatment capacity, including the numbers of radiation oncologists, radiation therapists, physicists, gynecologic oncologists, and hospitals performing gynecologic surgeries, was calculated per 1000 cervical cancer cases. Adequate capacity was defined as 2 radiation oncologists and 2 gynecologic oncologists per 1000 cervical cancer cases., Results: Forty-three of 54 African countries (79.6%) responded, and data were not reported for 11 countries (20.4%). Respondents from 31 countries (57.4%) reported access to specialist gynecologic oncology services, but staffing was adequate in only 11 countries (20.4%). Six countries (11%) reported that generalist obstetrician-gynecologists perform radical hysterectomies. Radiation oncologist access was available in 39 countries (72.2%), but staffing was adequate in only 16 countries (29.6%). Six countries (11%) had adequate staffing for both gynecologic and radiation oncology; 7 countries (13%) had no radiation or gynecologic oncologists. Access to external beam radiation therapy was available in 31 countries (57.4%), and access to brachytherapy was available in 25 countries (46.3%). The number of countries with training programs in gynecologic oncology, radiation oncology, medical physics, and radiation therapy were 14 (26%), 16 (30%), 11 (20%), and 17 (31%), respectively., Conclusions: We identified areas needing comprehensive cervical cancer care infrastructure, human resources, and training programs. There are major gaps in access to radiation oncologists and trained gynecologic oncologists in Africa., (Copyright © 2023. Published by Elsevier Inc.)
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- 2024
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10. HPV vaccination in Africa in the COVID-19 era: a cross-sectional survey of healthcare providers' knowledge, training, and recommendation practices.
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Fokom Domgue J, Dille I, Kapambwe S, Yu R, Gnangnon F, Chinula L, Murenzi G, Mbatani N, Pande M, Sidibe F, Kamgno J, Traore B, Fazazi HE, Diop M, Tebeu PM, Diomande MI, Lecuru F, Adewole I, Plante M, Basu P, Dangou JM, and Shete S
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- Humans, Female, Adult, Male, Cross-Sectional Studies, Pandemics, Vaccination psychology, Health Knowledge, Attitudes, Practice, Health Personnel, Africa, Uterine Cervical Neoplasms prevention & control, Papillomavirus Infections prevention & control, COVID-19 prevention & control, Papillomavirus Vaccines therapeutic use
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Introduction: Although the burden of cervical cancer in Africa is highest, HPV vaccination coverage remains alarmingly low in this region. Providers' knowledge and recommendation are key drivers of HPV vaccination uptake. Yet, evidence about providers' knowledge and recommendation practices about the HPV vaccine against a backdrop of emerging vaccine hesitancy fueled by the COVID-19 pandemic is lacking in Africa., Methods: A cross-sectional study was conducted in 2021-2022 among healthcare providers involved in cervical cancer prevention activities in Africa. They were invited to report prior training, the availability of the HPV vaccine in their practice, whether they recommended the HPV vaccine, and, if not, the reasons for not recommending it. Their knowledge about the HPV vaccine was assessed through self-reporting (perceived knowledge) and with three pre-tested knowledge questions (measured knowledge)., Results: Of the 153 providers from 23 African countries who responded to the survey (mean age: 38.5 years, SD: 10.1), 75 (54.0%) were female and 97 (63.4%) were based In countries with national HPV immunization programs. Overall, 57 (43.8%) reported having received prior training on HPV vaccine education/counseling, and 40 (37.4%) indicated that the HPV vaccine was available at the facility where they work. Most respondents (109, 83.2%) reported recommending the HPV vaccine in their practice. Vaccine unavailability (57.1%), lack of effective communication tools and informational material (28.6%), and need for adequate training (28.6%) were the most commonly reported reasons for not recommending the HPV vaccine. While 63 providers (52.9%) reported that their knowledge about HPV vaccination was adequate for their practice, only 9.9% responded correctly to the 3 knowledge questions., Conclusion: To increase HPV vaccination coverage and counter misinformation about this vaccine in Africa, adequate training of providers and culturally appropriate educational materials are needed to improve their knowledge of the HPV vaccine and to facilitate effective communication with their patients and the community., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Fokom Domgue, Dille, Kapambwe, Yu, Gnangnon, Chinula, Murenzi, Mbatani, Pande, Sidibe, Kamgno, Traore, El Fazazi, Diop, Tebeu, Diomande, Lecuru, Adewole, Plante, Basu, Dangou and Shete.)
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- 2024
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11. Human Papillomavirus Types and Cervical Cancer Screening among Female Sex Workers in Cameroon.
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Manga SM, Ye Y, Nulah KL, Manjuh F, Fokom-Domgue J, Scarinci I, and Tita AN
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Background: Female sex workers (FSWs) are at high risk for sexually transmitted infections (STIs), including infection with human papillomavirus (HPV) and cervical cancer due to occupational exposure. The objective of this study was to estimate the prevalence of HPV, HPV types, and precancerous lesions of the cervix among FSWs in Cameroon., Material and Methods: In this cross-sectional study, FSWs in Cameroon aged 30 years and above were screened for cervical cancer using high-risk HPV testing and genotyping and visual inspection with acetic acid and Lugol's iodine (VIA/VILI) enhanced using digital cervicography (DC) simultaneously. Those who were positive for VIA/VILI-DC were provided treatment with thermal ablation (TA) immediately for cryotherapy/TA-eligible lesions while lesions meeting the criteria for large loop excision of the transformation zone (LLETZ) were scheduled at an appropriate facility for the LLETZ procedure. HPV-positive FSWs without any visible lesion on VIA/VILI-DC were administered TA. Bivariate analyses were conducted to compare demographic and clinical characteristics. Crude and adjusted logistic regression models were computed for HPV infection status and treatment uptake as outcomes in separate models and their ORs and 95% confidence intervals (95% CI) were reported., Results: Among the 599 FSWs aged 30 years and older that were screened for HPV and VIA/VILI-DC, 62.1% (95% CI: (0.58-0.66)) were positive for one or more HPV types. HPV type 51 had the highest prevalence (14%), followed by types 53 (12.4%) and 52 (12.2%). Type 18 had the lowest prevalence of 2.8% followed by type 16 with 5.2%. In the multivariable model, HIV-positive FSWs were 1.65 times more likely to be infected with HPV compared to their HIV-negative counterparts (AOR: 1.65, CI: 1.11-2.45). A total of 9.9% of the 599 FSWs were positive for VIA/VILI-DC., Conclusion: The prevalence of HPV infection among FSWs in Cameroon is higher than the worldwide pooled FSW prevalence. HPV types 51 and 53 were the most prevalent, while types 18 and 16 were the least prevalent. HIV status was the only variable that was significantly associated with infection with HPV.
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- 2024
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12. Factors associated with adherence to post-treatment follow-up among a cohort of women with acetic acid/Lugol's iodine positive lesions of the cervix in Cameroon: A retrospective cohort study.
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Manga SM, Nkfusai JF, Nulah KL, Manjuh F, Fokom-Domgue J, and Ye Y
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Background: Women treated for cervical precancerous lesions have up to a 30 % increased risk of developing cervical cancer compared to women in the general population. The aim of this study was to identify predictors for adherence to follow-up among women treated for precancerous lesions of the cervix in Cameroon., Materials and Methods: The study design was a retrospective cohort analysis of a five-year follow-up for women in Cameroon who were initially treated for cervical precancer lesions in 2013. Logistic regression models were used to determine factors associated with adherence to post-treatment follow-up. Statistical significance was set at p < 0.05., Results: Of the 344 women treated in 2013, 154 (44.77 %) never returned for a single post-treatment follow-up in five years. Marital status was the only variable statistically significantly associated with 5-year post-treatment follow-up adherence. women who had ever been married were 0.36 times (0.14 0.93)); p = 0. 0.035] less likely to adhere to post-treatment follow-up compared to women who have never been married. Although age was not statistically significant, women in the age group 30-49 years had some significance and they were 60 % [aOR, 95 %CI: 0.40 (0.18 0.89); p = 0.024] less likely to adhere to post-treatment follow-up when compared to women who were<30 years., Conclusion: Only about half of the women treated for cervical precancer in this cohort returned for post-treatment follow-up. Conducting needs assessments among these populations that are less likely to adhere to follow-up will allow us to implement and test strategies to improve adherence to follow-up., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2023 The Author(s).)
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- 2023
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13. Perceptions of Cancer in Parents of Adolescent Daughters in Northwest Cameroon.
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Elit L, Tum EM, Ngalla C, Fungchwi GM, Fokom Domgue J, and Nouvet E
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- Humans, Adolescent, Female, Cameroon, Parents, Nuclear Family, Uterine Cervical Neoplasms
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Background: Cancer is a rapidly rising cause of morbidity and mortality in sub-Saharan Africa. Cervical cancer, in particular, is still one of the leading causes of mortality for women in this setting. The uptake of healthcare services is in part influenced by patients' belief systems. We sought to better understand the perception of cancer in the Kom tribe of Northwest Cameroon., Methods: A qualitative research study was completed using a semi-structured interview guide and one-on-one interviews with 45 parents of girls aged 9-14 years. These girls were candidates for free HPV vaccination to prevent cervical cancer. The interviews were recorded, transcribed, and analyzed using ATLAS.ti 9., Results: Thirty-five mothers and ten fathers with a median age of 42 yo were interviewed from Mbingo, Belo, Njinikom, and Fundong. Half of the parents were farmers, with three being herbalists or traditional medicine doctors. Seventy-seven percent had either no or only primary school education. None had had cancer. All knew at least one person with cancer. The most common word for cancer in the Kom language is " ngoissu ". It can refer to a bad infection or cancer. The occurrence of ngoissu is the result of either a curse placed on you, ancestral retribution, or transgressing the ngoulatta (snail shell spoken over and usually placed in a garden). The implications are that treatment of ngoissu must involve the traditional doctor who determines the spiritual issue and prescribes a remedy (like a herb or tea) and/or an incantation. Within the context of cancer, this can lead to a delay in diagnosis until the disease is no longer curable by conventional therapies., Conclusion: Ways to bridge biomedical healthcare services and traditional medicine are needed, especially in tribal contexts where the latter is an integral part of daily life.
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- 2023
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14. Enhancing cervical and breast cancer training in Africa with e-learning.
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Fokom Domgue J, Dille I, Fry L, Mafoma R, Bouchard C, Ngom D, Ledaga N, Gnangnon F, Diop M, Traore B, Pande M, Kamgno J, Diomande MI, Tebeu PM, Lecuru F, Plante M, Dangou JM, and Shete S
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- Humans, Female, Early Detection of Cancer, Africa epidemiology, South Africa, Breast Neoplasms, Computer-Assisted Instruction, Uterine Cervical Neoplasms prevention & control
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Competing Interests: We declare no competing interests.
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- 2023
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15. A Cross-Sectional Study of the Prevalence of Anal Dysplasia among Women with High-Grade Cervical, Vaginal, and Vulvar Dysplasia or Cancer: The PANDA Study.
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Batman S, Messick CA, Milbourne A, Guo M, Munsell MF, Fokom-Domgue J, Salcedo M, Deshmukh A, Dahlstrom KR, Ogburn M, Price A, Fleming ND, Taylor J, Shafer A, Cobb L, Sigel K, Sturgis EM, Chiao EY, and Schmeler KM
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- Humans, Female, Cross-Sectional Studies, Papillomaviridae, Prevalence, Vagina pathology, Papillomavirus Infections complications, Papillomavirus Infections epidemiology, Papillomavirus Infections diagnosis, Uterine Cervical Neoplasms diagnosis, Uterine Cervical Neoplasms epidemiology, Anus Neoplasms diagnosis, Squamous Intraepithelial Lesions, Anus Diseases epidemiology, Vulvar Neoplasms epidemiology, Carcinoma in Situ epidemiology
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Background: High-risk human papillomavirus (HR-HPV) infection is a risk factor for anal cancer, yet no anal cancer screening guidelines exist for women with lower genital tract HPV-related disease. We sought to describe the prevalence of anal HR-HPV or cytologic abnormalities in such women., Methods: This cross-sectional study was performed between October 2018 and December 2021. Inclusion criteria were ≥21 years of age and a prior diagnosis of high-grade dysplasia/cancer of the cervix, vagina, or vulva. Participants underwent anal cytology and anal/cervicovaginal HR-HPV testing. Women with abnormal anal cytology were referred for high-resolution anoscopy (HRA)., Results: 324 evaluable women were enrolled. Primary diagnosis was high-grade dysplasia/cancer of the cervix (77%), vagina (9%), and vulva (14%). Anal HR-HPV was detected in 92 patients (28%) and included HPV-16 in 24 (26%), HPV-18 in 6 (7%), and other HR-HPV types in 72 (78%) patients. Anal cytology was abnormal in 70 patients (23%) and included atypical squamous cells of undetermined significance (80%), low-grade squamous intraepithelial lesion (9%), high-grade intraepithelial lesion (HSIL; 1%), and atypical squamous cells-cannot rule out HSIL (10%). Of these patients, 55 (79%) underwent HRA. Anal biopsies were performed in 14 patients: 2 patients had anal intraepithelial neoplasia (AIN) 2/3, 1 patient had AIN 1, and 11 patients had negative biopsies. Both patients with AIN 2/3 had a history of cervical dysplasia., Conclusions: Our results suggest an elevated risk of anal HR-HPV infection and cytologic abnormalities in women with lower genital tract dysplasia/cancer., Impact: These results add to the growing body of evidence suggesting the need for evaluation of screening methods for anal dysplasia/cancer in this patient population to inform evidence-based screening recommendations., (©2022 American Association for Cancer Research.)
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- 2022
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16. The influence of parent-child gender on intentions to refuse HPV vaccination due to safety concerns/side effects, National Immunization Survey - Teen, 2010-2019.
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Chido-Amajuoyi OG, Talluri R, Jackson I, Shete SS, Fokom Domgue J, and Shete S
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- Female, Adolescent, Humans, United States, Intention, Health Knowledge, Attitudes, Practice, Vaccination, Immunization, Parents, Parent-Child Relations, Papillomavirus Infections prevention & control, Papillomavirus Vaccines adverse effects, Drug-Related Side Effects and Adverse Reactions
- Abstract
Amid subpar uptake of HPV vaccination in the United States, gender-generated disparities in HPV vaccination uptake have the potential to perpetuate existing disparities in HPV-associated cancers. Yet few studies have investigated the influence of parent-child gender on intentions to refuse HPV vaccination due to safety concerns/side effects. This study used nationally representative data, spanning 2010-2019, from the National Immunization Survey-Teen (NIS-Teen). NIS-Teen respondents are parents/guardians or primary caregivers of adolescents 13-17 years old living in the United States. Over the study period, intentions to refuse HPV vaccination due to safety concerns rose among all parent-child gender pairings but were highest among respondent mothers regarding their unvaccinated daughters. The results revealed a statistically significant increased likelihood of having intentions to refuse HPV vaccination due to safety concerns among all parent-child combinations compared with father-son pairs. These odds were consistently highest among mother-daughter pairs. In 2019, compared with father-son pairs, fathers were 1.94 (95% CI: 1.21-3.12) times more likely to report the intention to not vaccinate against HPV for their daughters, while mothers were 2.23 (95% CI: 1.57-3.17) and 2.87 (95% CI: 2.02-4.09) times more likely to report intentions to refuse HPV vaccination for their sons and daughters, respectively. These findings were persistent and constantly increased over the 10-year study period. Interventions aimed at correcting gender-based misperceptions and countering misinformation about the safety of the HPV vaccine are warranted.
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- 2022
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17. Assessing knowledge, attitudes and belief toward HPV vaccination of parents with children aged 9-14 years in rural communities of Northwest Cameroon: a qualitative study.
- Author
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Elit L, Ngalla C, Afugchwi GM, Tum E, Fokom Domgue J, and Nouvet E
- Subjects
- Adult, Child, Female, Humans, Cameroon, Health Knowledge, Attitudes, Practice, Parents psychology, Patient Acceptance of Health Care psychology, Rural Population, Vaccination psychology, Adolescent, Papillomavirus Infections prevention & control, Papillomavirus Infections psychology, Papillomavirus Vaccines, Uterine Cervical Neoplasms prevention & control
- Abstract
Background: Human papilloma virus (HPV) vaccination is essential for the WHO cervical cancer elimination initiative. In Cameroon, HPV vaccine uptake is currently 5%. To assess the knowledge, beliefs and attitudes of parents of young girls aged 9-14 years about HPV vaccines within rural communities in the Northwest Region of Cameroon., Methods: During January-May 2022, we conducted 45 one-on-one interviews using a semistructured interview guide in the localities of Mbingo, Njinikom and Fundong. Participants were parents of girls aged 9-14 years who speak English or Pidgin English. Healthcare workers were excluded. The interviews were recorded, transcribed and analysed using ATLAS.ti V.9. Member checking was conducted presenting our findings and getting feedback from a focus group of parents., Results: Thirty-five mothers and 10 fathers were interviewed with a mean age of 42 years. Ninety-one per cent of parents had ever been vaccinated. Seventy-seven per cent had no or only primary school education. Thirty-two parents (71.12%) had daughters who had not been vaccinated against HPV. The themes identified include: perceived effectiveness of the HPV vaccine, affective behaviour (how they feel about the vaccine), accessibility (ability to get the vaccine), intervention coherence, ethicality (including parental informed consent), opportunity cost (future potential financial implications of cancer prevention), decision-making in the home (predominantly paternalistic), self-efficacy (extent to which education initiatives were effective) and quality initiatives (use of village infrastructure including fons/qwifons, village crier, healthcare worker presenting at the njangi house, schools and churches). Member checking with 30 women from two other communities confirmed our findings., Conclusions: Lack of awareness concerning the availability and purpose of the HPV vaccination was prevalent. Use of mainstream media and top-down health education activities are not effective. Novel approaches should engage local community health workers and use established community social and leadership structures., Trial Registration Number: ClinicalTrials.gov Registry (NCT05325138)., Competing Interests: Competing interests: This is an investigator-initiated research project which has been funded by Merck. Merck does not have access to any of the original material but will be provided with any manuscripts that result from this work for review prior to publication., (© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
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- 2022
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18. Development, Implementation, and Evaluation of a Distance Learning and Telementoring Program for Cervical Cancer Prevention in Cameroon.
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Fokom Domgue J, Pande M, Yu R, Manjuh F, Welty E, Welty T, Elit L, Lopez-Varon M, Rodriguez J, Baker E, Dangou JM, Basu P, Plante M, Lecuru F, Randall T, Starr E, Kamgno J, Foxhall L, Waxman A, Hawk E, Schmeler K, and Shete S
- Subjects
- Humans, Female, Adult, Early Detection of Cancer methods, Cross-Sectional Studies, Cameroon, Uterine Cervical Neoplasms diagnosis, Education, Distance, COVID-19
- Abstract
Importance: Although Africa has the highest burden of cervical cancer in the world, educational resources to achieve the 90-70-90 targets set by the World Health Organization in its strategy to eliminate cervical cancer are lacking in the region., Objectives: To adapt, implement, and evaluate the Project Extension for Community Health Care Outcomes (ECHO), an innovative learning tool, to build capacity of clinicians to better incorporate new evidence-based guidelines into cervical cancer control policies and clinical practices., Design, Setting, and Participants: This cross-sectional study assessed knowledge and practices of clinicians and support staff regarding cervical cancer prevention and control and compared them among respondents who had attended Project ECHO sessions (prior ECHO attendees) with those who had not but were planning on attending in the near future (newcomers) as part of the Cameroon Cervical Cancer Prevention Project ECHO. Satisfaction of prior ECHO attendees was also evaluated. Data were analyzed from January to March 2022., Main Outcomes and Measures: Main outcomes were practices and knowledge regarding cervical cancer education and prevention and preinvasive management procedures compared among prior ECHO attendees and newcomers., Results: Of the 75 participants (mean [SD] age, 36.4 [10.0] years; 65.7% [95% CI, 54.3%-77.1%] women) enrolled in this study, 41 (54.7%; 95% CI, 43.1%-66.2%) were prior ECHO attendees, and most were clinicians (55 respondents [78.6%; 95% CI, 68.7%-88.4%]). Overall, 50% (95% CI, 37.8%-62.2%) of respondents reported performing cervical cancer screening with visual inspection of the cervix after application of acetic acid (VIA) and/or visual inspection of the cervix after application of Lugol's iodine (VILI), 46.3% (95% CI, 34.0%-58.5%) of respondents reported performing human papillomavirus (HPV) testing, and 30.3% (95% CI, 18.9%-41.7%) of respondents reported performing cervical cytological examination in their practices, Approximately one-fourth of respondents reported performing cryotherapy (25.4% [95% CI, 14.7%-36.1%]), thermal ablation (27.3% [95% CI, 16.2%-38.3%]) or loop electrosurgical excisional procedure (LEEP, 25.0% [95% CI, 14.4%-35.6%]) for treatment of preinvasive disease. The clinical use of many of these screening and treatment tools was significantly higher among prior ECHO attendees compared with newcomers (VIA/VILI: 63.2% [95% CI, 47.4%-78.9%] vs 33.3% [95% CI, 16.0%-50.6%]; P = .03; cryotherapy: 40.5% [95% CI, 24.3%-56.8%] vs 6.7% [95% CI, 0.0%-15.8%]; P = .002; thermal ablation: 43.2% [95% CI, 26.9%-59.6%] vs 6.9% [95% CI, 0.0%-16.4%]; P = .002). Knowledge about cervical cancer education, prevention, and management procedures was satisfactory in 36.1% (95% CI, 23.7%-48.5%) of respondents; this proportion was significantly higher among prior ECHO attendees (53.8% [95% CI, 37.7%-69.9%]) compared with newcomers (4.5% [95% CI, 0.0%-13.5%]; P < .001). Approximately two-thirds of participants (68.8% [95% CI, 51.8%-85.8%]) reported that they had applied knowledge learned in our ECHO sessions to patient care in their practice or adopted best-practice care through their participation in this ECHO program., Conclusions and Relevance: These findings suggest that the Project ECHO e-learning and telementoring program was associated with improved skills for clinicians and support staff and enhanced quality of care for patients. In the COVID-19 era and beyond, reinforced efforts to strengthen cervical cancer knowledge and best practices through distance learning and collaboration are needed.
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- 2022
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19. Fighting Cancer around the World: A Framework for Action.
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Horgan D, Mia R, Erhabor T, Hamdi Y, Dandara C, Lal JA, Fokom Domgue J, Ewumi O, Nyawira T, Meyer S, Kondji D, Francisco NM, Ikeda S, Chuah C, De Guzman R, Paul A, Reddy Nallamalla K, Park WY, Tripathi V, Tripathi R, Johns A, Singh MP, Phipps ME, Dube F, Whittaker K, Mukherji D, Rasheed HMA, Kozaric M, Pinto JA, Doral Stefani S, Augustovski F, Aponte Rueda ME, Fujita Alarcon R, and Barrera-Saldana HA
- Abstract
Tackling cancer is a major challenge right on the global level. Europe is only the tip of an iceberg of cancer around the world. Prosperous developed countries share the same problems besetting Europe-and the countries and regions with fewer resources and less propitious conditions are in many cases struggling often heroically against a growing tide of disease. This paper offers a view on these geographically wider, but essentially similar, challenges, and on the prospects for and barriers to better results in this ceaseless battle. A series of panels have been organized by the European Alliance for Personalised Medicine (EAPM) to identify different aspects of cancer care around the globe. There is significant diversity in key issues such as NGS, RWE, molecular diagnostics, and reimbursement in different regions. In all, it leads to disparities in access and diagnostics, patients' engagement, and efforts for a better understanding of cancer.
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- 2022
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20. Study protocol for assessing knowledge, attitudes and belief towards HPV vaccination of parents with children aged 9-14 years in rural communities of North West Cameroon: a qualitative study.
- Author
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Elit L, Ngalla C, Afugchwi GM, Tum E, Fokom-Domgue J, and Nouvet E
- Subjects
- Adolescent, Cameroon, Child, Female, Health Knowledge, Attitudes, Practice, Humans, Parents, Patient Acceptance of Health Care, Qualitative Research, Rural Population, Vaccination, Papillomavirus Infections prevention & control, Papillomavirus Vaccines
- Abstract
Introduction: Despite human papilloma virus (HPV) vaccine being incorporated in the National Immunisation Programme in Cameroon in 2019, HPV vaccine uptake among eligible girls has been poor (5%). The barriers to HPV vaccination in this high-burden setting have not been previously studied, especially in rural areas. We propose to evaluate the knowledge, attitudes and beliefs of parents of girls aged 9-14 years regarding HPV vaccine., Methods and Analysis: Study design : a qualitative descriptive study will be conducted using one-on-one semi-structured interviews with parents of girls aged 9-14 years from 3 health districts in Cameroon (Mbingo, Njinikom and Fundong) who can converse in English or Pidgin English. Enrolment will occur until thematic saturation-approximately 40 participants. Analysis : quantitative methods will be used to describe the interviewees. All interviews will be audio recorded, transcribed and loaded into a tool to facilitate analysis (ATLAS.ti). Transcripts will be coded and thematic analysis will be conducted. Analysis will occur concurrent with interviews., Ethics and Dissemination: Ethics : institutional review board approval will be obtained from the Cameroon Baptist Convention Health Board (CBCHB), Cameroon and McMaster University, Hamilton, Canada. Dissemination : study findings will be presented via a report and webinar to the Ministry of Health, the funders, the CBCHB and in person to healthcare providers and interested members of the general population in the study region. Plans are to share findings internationally through peer-reviewed publication(s) and presentation(s)., Trial Registration Number: NCT05325138., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
- Published
- 2022
- Full Text
- View/download PDF
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