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1.
Cancer ; 2024 Jun 04.
Artículo en Inglés | MEDLINE | ID: mdl-38837217

RESUMEN

BACKGROUND: This study aimed to indirectly examine whether the implementation of clinical breast examination-based screening program in Morocco has been successful in downstaging and improving survival rates. Breast cancer patients detected through the screening pathway were compared with those detected through self-referral over the same period in terms of cancer stage at diagnosis, tumor characteristics, care delays, and survival. METHODS: A prospective observational study was conducted between April 2019 and August 2020 at two major public oncology centers. RESULTS: A total of 896 women with confirmed breast cancer were recruited (483 were program-referred and 413 were self-referred). The authors did not report any significant difference between the two groups in terms of stage at diagnosis, molecular profile, or histopathological grade. Early-stage cancer (stage I-II) was detected in 55.7% of self-referred participants compared to 55.5% of program-referred participants. Median intervals between symptom recognition, pathological diagnosis, and treatment initiation were not significantly different between the two groups. Similarly, survival after treatment showed no significant difference between patients screened by the program and self-referred patients. The 3-year survival rate after treatment was 94.5% for patients referred through the program and 88.6% for patients not referred through the program (p = .16). CONCLUSIONS: This study highlights the importance of equitable and timely access to high-quality diagnosis and treatment facilities, leading to substantial downstaging and enhanced survival rates. Continued efforts to improve quality and expand coverage to include asymptomatic women will consolidate the health infrastructure gains achieved by the Moroccan breast cancer screening program.

2.
BMC Cancer ; 24(1): 786, 2024 Jul 01.
Artículo en Inglés | MEDLINE | ID: mdl-38956536

RESUMEN

BACKGROUND: In Morocco, much progress has been made in breast cancer treatment. However, there is limited information on survival outcomes of breast cancer patients according to their therapeutic management. METHODS: A pattern-of-care study was conducted in Morocco's two main oncology centres: Rabat and Casablanca and has shown that major progress has been made in the quality of care with survival rates comparable to those in developed countries. The present study focuses on the different therapeutic strategies used in breast cancer and their impact on prognosis. Patients were classified into two categories: those considered as appropriately managed and those who were not. RESULTS: A total of 1901 women with stage I to III breast cancer were included in this study, the majority (53%) were adequately managed and had better disease-free survival (DFS) rates than those who were not: DFS at 3 years (88% versus 62%) and at 5 years (80% versus 50%). Potential significant determinants of better management were: treatment in Rabat's oncology centre, treatment between 2008 and 2012, being aged younger than 60 years, and early TN stage. CONCLUSION: This study demonstrated the value of proper integrated and coordinated management in a comprehensive cancer centre, to improve breast cancer survival.


Asunto(s)
Neoplasias de la Mama , Estadificación de Neoplasias , Humanos , Femenino , Neoplasias de la Mama/mortalidad , Neoplasias de la Mama/terapia , Neoplasias de la Mama/patología , Marruecos/epidemiología , Persona de Mediana Edad , Adulto , Anciano , Pronóstico , Supervivencia sin Enfermedad , Anciano de 80 o más Años , Resultado del Tratamiento , Adulto Joven
3.
BJOG ; 130(2): 153-161, 2023 01.
Artículo en Inglés | MEDLINE | ID: mdl-35689493

RESUMEN

BACKGROUND: Outcomes of earlier systematic reviews of the efficacy of ablative and excisional techniques to treat cervical intraepithelial neoplasia grade 2 or 3 (CIN2/3) were biased, as most of the included studies did not compare the techniques head-to-head. OBJECTIVE: To systematically review the outcomes of studies comparing ablative and excisional techniques to treat CIN2/3 head-to-head. SEARCH STRATEGY: Medline, Embase and Global Index Medicus were searched from inception until May 2021. SELECTION CRITERIA: Studies directly comparing the efficacy and safety of excisional and ablative treatments on histologically confirmed CIN2/3. Eligibility criteria for the women treated with ablation had to be same as those treated with excision. DATA COLLECTION AND ANALYSIS: A total of 323 articles were archived. Data on the risk of persistence/recurrence and safety were extracted from the original trials. Comparison between the two procedures was reported by forest plots, stratified by follow-up intervals and by HIV status. MAIN RESULTS: Six publications were included. The risk of persistence/recurrence following ablation was significantly higher than that following excision (overall, RR 1.65, 95% CI 1.25-2.19; at 6-month follow-up, RR 1.94, 95% CI 1.29-2.91; at 12-month follow-up, RR 1.78, 95% CI 1.27-2.51; at 24-month follow-up, RR 1.57, 95% CI 1.11-2.23). The findings remained similar among women living with HIV (WLHIV). Both procedures were equally safe. CONCLUSIONS: Excisional treatment was more effective than ablative treatment, with both procedures having similar safety profiles. Other programmatic considerations will guide the selection of technique, especially in resource-limited settings.


Asunto(s)
Infecciones por VIH , Displasia del Cuello del Útero , Neoplasias del Cuello Uterino , Femenino , Humanos , Neoplasias del Cuello Uterino/cirugía , Neoplasias del Cuello Uterino/patología , Displasia del Cuello del Útero/cirugía , Displasia del Cuello del Útero/patología
4.
Lancet Oncol ; 23(10): e459-e468, 2022 10.
Artículo en Inglés | MEDLINE | ID: mdl-36174632

RESUMEN

Before 2005, cancer and other non-communicable diseases were not yet health and development agenda priorities. Since the 2005 World Health Assembly Resolution, which encouraged WHO, the International Agency for Research on Cancer (IARC), and the International Atomic Energy Agency (IAEA) to jointly work on cancer control, progress was achieved in low-income and middle-income countries on a small scale. Recently, rapid acceleration in UN collaboration and global cancer activities has focused attention in global cancer control. This Policy Review presents the evolution of the IAEA, IARC, and WHO joint advisory service to help countries assess needs and capacities throughout the comprehensive cancer control continuum. We also highlight examples per country, showcasing a snapshot of global good practices to foster an exchange of experiences for continuous improvement in the integrated mission of Programme of Action for Cancer Therapy (imPACT) reviews and follow-up support. The future success of progress in cancer control lies in the high-level political and financial commitments. Linking the improvement of cancer services to the strengthening of health systems after the COVID-19 pandemic will also ensure ongoing advances in the delivery of care across the cancer control continuum.


Asunto(s)
COVID-19 , Neoplasias , Energía Nuclear , COVID-19/epidemiología , COVID-19/prevención & control , Humanos , Agencias Internacionales , Pandemias , Organización Mundial de la Salud
5.
Int J Cancer ; 151(7): 1120-1126, 2022 10 01.
Artículo en Inglés | MEDLINE | ID: mdl-35567576

RESUMEN

This longitudinal study aimed at evaluating the effectiveness, acceptability and safety of the thermal ablation procedure (TA) in the treatment of cervical neoplasia. Women referred to the Gynaecology ward for symptoms or for opportunistic screening were assessed by visual inspection with acetic acid (VIA) and colposcopy. Those with lesions eligible to ablation were counselled and treated by TA. They were inquired about the level of pain during the procedure, and their level of satisfaction. Patients were followed up at 6 weeks for any complication and reassessed by VIA and colposcopy at 12 months for any persistent or recurrent lesion and for any adverse event. A total of 86 women with a positive VIA test were included in the study. The mean age was 46 years (28-61 years). Most of the women did not complain about any adverse event during treatment; one-third presented mild pain or cramp. At the 6-week visit, watery discharge was the main adverse event reported. All women were highly satisfied with TA and most of them would recommend it. At the 12-month visit, 82 women were examined (95% follow-up rate), and the overall cure rate was 96% (low-grade lesions: 98%; high-grade lesions: 94%). Three women presented low- and high-grade lesions that were treated by TA. No major adverse event or hospitalisation after the treatment was reported. In conclusion, TA was an effective procedure with a high cure rate at the 1-year follow-up visit. It was acceptable and safe, with only minor short-term side-effects reported and with a high satisfaction rate among the patients.


Asunto(s)
Displasia del Cuello del Útero , Neoplasias del Cuello Uterino , Ácido Acético , Burundi , Colposcopía , Femenino , Humanos , Estudios Longitudinales , Persona de Mediana Edad , Dolor , Embarazo , Neoplasias del Cuello Uterino/diagnóstico , Displasia del Cuello del Útero/diagnóstico
6.
Cancer ; 128(6): 1219-1229, 2022 03 15.
Artículo en Inglés | MEDLINE | ID: mdl-34985785

RESUMEN

BACKGROUND: Colorectal cancer (CRC) incidence and mortality rates are increasing rapidly in many low-income and middle-income countries. A demonstration project was implemented in Morocco in collaboration with the Ministry of Health to assess the feasibility, acceptability, and challenges of implementing CRC screening through routine primary care facilities. METHODS: The objective of the project was to screen 10,000 men and women aged 50 to 75 years through 10 primary health centers (PHCs) in 2 provinces. All eligible men and women attending the selected PHCs were offered the fecal immunochemical test (FIT). Stool specimens brought to the PHCs were tested immediately by trained nurses. FIT-positive individuals were referred to the National Oncology Institute for colonoscopy. RESULTS: In total, 9763 eligible men and women were screened by FIT between June 2017 and May 2019; most (73.3%) were women. The test was positive in 460 participants (4.7%). Among the individuals who had positive FIT results, 62.6% underwent colonoscopy. The main reasons for noncompliance to colonoscopy were competing life priorities (15.4%), other health problems (13%), and fear of getting a cancer diagnosis (12.3%). As the number of referrals to colonoscopy increased, the waiting time for the procedure increased, resulting in a drop in compliance. The detection rates of advanced adenomas and CRC were 4.0 in 1000 and 0.5 in 1000 individuals screened, respectively. CONCLUSIONS: An effective strategy to reach the target populations (especially men), a pragmatic assessment of the health system's capacity to deal with large numbers of referrals, and a formal cost-effectiveness analysis are essential before making any decision to introduce CRC screening in Morocco.


Asunto(s)
Neoplasias Colorrectales , Detección Precoz del Cáncer , Anciano , Colonoscopía/métodos , Neoplasias Colorrectales/diagnóstico , Neoplasias Colorrectales/epidemiología , Detección Precoz del Cáncer/métodos , Femenino , Humanos , Masculino , Tamizaje Masivo/métodos , Persona de Mediana Edad , Marruecos/epidemiología , Sangre Oculta , Atención Primaria de Salud
7.
BMC Med ; 20(1): 101, 2022 03 23.
Artículo en Inglés | MEDLINE | ID: mdl-35317783

RESUMEN

BACKGROUND: High variability in the definition and interpretation of organized cancer screening needs to be addressed systematically. Moreover, the relevance of the current practice of categorizing screening programmes dichotomously into organized or non-organized needs to be revisited in the context of considerable heterogeneity that exists in the delivery of cancer screening in the real world. We aimed to identify the essential and desirable criteria for organized cancer screening that serve as a charter of best practices in cancer screening. METHODS: We first did a systematic review of literature to arrive at an exhaustive list of criteria used by various publications to describe or define organized cancer screening, based on which, a consolidated list of criteria was generated. Next, we used a Delphi process comprising of two rounds of online surveys to seek agreement of experts to categorize each criterion into essential, desirable, or neither. Consensus was considered to have been achieved based on a predetermined criterion of agreement from at least 80% of the experts. The outcomes were presented before the experts in a virtual meeting for feedbacks and clarifications. RESULTS: A total of 32 consolidated criteria for an organized screening programme were identified and presented to 24 experts from 20 countries to select the essential criteria in the Delphi first round. Total 16 criteria were selected as essential with the topmost criteria (based on the agreement of 96% of experts) being the availability of a protocol/guideline describing at least the target population, screening intervals, screening tests, referral pathway, management of positive cases and a system being in place to identify the eligible populations. In the second round of Delphi, the experts selected eight desirable criteria out of the rest 16. The most agreed upon desirable criterion was existence of a specified organization or a team responsible for programme implementation and/or coordination. CONCLUSIONS: We established an international consensus on essential and desirable criteria, which screening programmes would aspire to fulfil to be better-organized. The harmonized criteria are a ready-to-use guide for programme managers and policymakers to prioritize interventions and resources rather than supporting the dichotomous and simplistic approach of categorizing programmes as organized or non-organized.


Asunto(s)
Detección Precoz del Cáncer , Neoplasias , Consenso , Técnica Delphi , Humanos , Neoplasias/diagnóstico , Encuestas y Cuestionarios
8.
BMC Cancer ; 22(1): 479, 2022 May 02.
Artículo en Inglés | MEDLINE | ID: mdl-35501742

RESUMEN

BACKGROUND: We conducted a Pattern-of-care (POC) study at two premier-most public-funded oncology centers in Morocco to evaluate delays in care continuum and adherence to internationally accepted treatment guidelines of cervical cancer. METHOD: Following a systematic sampling method, cervical cancer patients registered at Centre Mohammed VI (Casablanca) and Institut National d'Oncologie (Rabat) during 2 months of every year from 2008 to 2017, were included in this retrospective study. Relevant information was abstracted from the medical records. RESULTS: A total of 886 patients was included in the analysis; 59.5% were at stage I/II. No appreciable change in stage distribution was observed over time. Median access and treatment delays were 5.0 months and 2.3 months, respectively without any significant temporal change. Concurrent chemotherapy was administered to 57.7% of the patients receiving radiotherapy. Surgery was performed on 81.2 and 34.8% of stage I and II patients, respectively. A very high proportion (85.7%) of operated patients received post-operative radiation therapy. Median interval between surgery and initiation of radiotherapy was 3.1 months. Only 45.3% of the patients treated with external beam radiation received brachytherapy. Radiotherapy was completed within 10 weeks in 77.4% patients. An overall 5-year disease-free survival (DFS) was observed in 57.5% of the patients - ranging from 66.1% for stage I to 31.1% for stage IV. Addition of brachytherapy to radiation significantly improved survival at all stages. The study has the usual limitations of retrospective record-based studies, which is data incompleteness. CONCLUSION: Delays in care continuum need to be further reduced. Increased use of chemoradiation and brachytherapy will improve survival further.


Asunto(s)
Braquiterapia , Neoplasias del Cuello Uterino , Braquiterapia/métodos , Quimioradioterapia , Femenino , Humanos , Marruecos/epidemiología , Estudios Retrospectivos , Neoplasias del Cuello Uterino/tratamiento farmacológico
9.
Lancet Oncol ; 22(11): 1518-1529, 2021 11.
Artículo en Inglés | MEDLINE | ID: mdl-34634254

RESUMEN

BACKGROUND: A randomised trial designed to compare three and two doses of quadrivalent human papillomavirus (HPV) vaccine in adolescent girls in India was converted to a cohort study after suspension of HPV vaccination in trials by the Indian Government. In this Article, the revised aim of the cohort study was to compare vaccine efficacy of single dose to that of three and two doses in protecting against persistent HPV 16 and 18 infection at 10 years post vaccination. METHODS: In the randomised trial, unmarried girls aged 10-18 years were recruited from nine centres across India and randomly assigned to either two doses or three doses of the quadrivalent HPV vaccine (Gardasil [Merck Sharp & Dohme, Whitehouse Station, NJ, USA]; 0·5 mL administered intramuscularly). After suspension of recruitment and vaccination, the study became a longitudinal, prospective cohort study by default, and participants were allocated to four cohorts on the basis of the number vaccine doses received per protocol: the two-dose cohort (received vaccine on days 1 and 180 or later), three-dose cohort (days 1, 60, and 180 or later), two-dose default cohort (days 1 and 60 or later), and the single-dose default cohort. Participants were followed up yearly. Cervical specimens were collected from participants 18 months after marriage or 6 months after first childbirth, whichever was earlier, to assess incident and persistent HPV infections. Married participants were screened for cervical cancer as they reached 25 years of age. Unvaccinated women age-matched to the married vaccinated participants were recruited to serve as controls. Vaccine efficacy against persistent HPV 16 and 18 infections (the primary endpoint) was analysed for single-dose recipients and compared with that in two-dose and three-dose recipients after adjusting for imbalance in the distribution of potential confounders between the unvaccinated and vaccinated cohorts. This trial is registered with ISRCTN, ISRCTN98283094, and ClinicalTrials.gov, NCT00923702. FINDINGS: Vaccinated participants were recruited between Sept 1, 2009, and April 8, 2010 (date of vaccination suspension), and followed up over a median duration of 9·0 years (IQR 8·2-9·6). 4348 participants had three doses, 4980 had two doses (0 and 6 months), and 4949 had a single dose. Vaccine efficacy against persistent HPV 16 and 18 infection among participants evaluable for the endpoint was 95·4% (95% CI 85·0-99·9) in the single-dose default cohort (2135 women assessed), 93·1% (77·3-99·8) in the two-dose cohort (1452 women assessed), and 93·3% (77·5-99·7) in three-dose recipients (1460 women assessed). INTERPRETATION: A single dose of HPV vaccine provides similar protection against persistent infection from HPV 16 and 18, the genotypes responsible for nearly 70% of cervical cancers, to that provided by two or three doses. FUNDING: Bill & Melinda Gates Foundation.


Asunto(s)
Vacuna Tetravalente Recombinante contra el Virus del Papiloma Humano Tipos 6, 11 , 16, 18/inmunología , Papillomavirus Humano 16/inmunología , Papillomavirus Humano 18/inmunología , Infecciones por Papillomavirus/prevención & control , Vacunación/métodos , Adolescente , Cuello del Útero/patología , Cuello del Útero/virología , Niño , Femenino , Vacuna Tetravalente Recombinante contra el Virus del Papiloma Humano Tipos 6, 11 , 16, 18/administración & dosificación , Papillomavirus Humano 16/aislamiento & purificación , Papillomavirus Humano 18/aislamiento & purificación , Humanos , India , Estudios Longitudinales , Infecciones por Papillomavirus/diagnóstico , Estudios Prospectivos , Neoplasias del Cuello Uterino/diagnóstico , Neoplasias del Cuello Uterino/prevención & control
10.
Int J Cancer ; 149(1): 97-107, 2021 07 01.
Artículo en Inglés | MEDLINE | ID: mdl-33533501

RESUMEN

We conducted a study to document the impact of COVID-19 pandemic on cancer screening continuum in selected low- and middle-income countries (LMICs). LMICs having an operational cancer control plan committed to screen eligible individuals were selected. Managers/supervisors of cancer screening programs were invited to participate in an online survey and subsequent in-depth interview. Managers/supervisors from 18 programs in 17 countries participated. Lockdown was imposed in all countries except Brazil. Screening was suspended for at least 30 days in 13 countries, while diagnostic-services for screen-positives were suspended in 9 countries. All countries except Cameroon, Bangladesh, India, Honduras and China managed to continue with cancer treatment throughout the outbreak. The participants rated service availability compared to pre-COVID days on a scale of 0 (no activities) to 100 (same as before). A rating of ≤50 was given for screening services by 61.1%, diagnostic services by 44.4% and treatment services by 22.2% participants. At least 70% participants strongly agreed that increased noncompliance of screen-positive individuals and staff being overloaded or overwhelmed with backlogs would deeply impact screening programs in the next 6 months at least. Although many of the LMICs were deficient in following the "best practices" to minimize service disruptions, at least some of them made significant efforts to improve screening participation, treatment compliance and program organization. A well-coordinated effort is needed to reinitiate screening services in the LMICs, starting with a situational analysis. Innovative strategies adopted by the programs to keep services on-track should be mutually shared.


Asunto(s)
COVID-19/prevención & control , Control de Enfermedades Transmisibles/métodos , Detección Precoz del Cáncer/estadística & datos numéricos , Neoplasias/diagnóstico , SARS-CoV-2/aislamiento & purificación , Encuestas y Cuestionarios/estadística & datos numéricos , Bangladesh , Brasil , COVID-19/epidemiología , COVID-19/virología , Camerún , China , Estudios Transversales , Países en Desarrollo , Detección Precoz del Cáncer/métodos , Honduras , Humanos , India , Neoplasias/terapia , Pandemias , SARS-CoV-2/fisiología
11.
BMC Pregnancy Childbirth ; 21(1): 337, 2021 Apr 27.
Artículo en Inglés | MEDLINE | ID: mdl-33906616

RESUMEN

BACKGROUND: Birthweight has been declining consistently for more than 30 years in Japan. This rapid rise in low birthweight is one of the worst among the countries of the Organization for Economic Co-operation and Development. We examined potential determinants of birthweight decline in Japan. METHODS: We used population-based birth certificate data from vital statistics records and retrieved 40,968,266 birth certificates of neonates born between 1980 and 2004. We analyzed time trends using linear regression analysis in examining whether the decline in birthweight could be explained by obstetrical variables such as gestational age and multiple gestations. RESULTS: From 1980 to 2004, we observed a decline in mean birthweight with a yearly effect of - 8.07 g, which became steeper after 1985, persisted until 1999, and plateaued thereafter. After adjusting for gestational age, gender, birth order, multiple gestations, and fathers' age, the yearly effect between 1980 and 2004 persisted at - 5.13 g. CONCLUSION: Recent decreases in birthweight among Japanese neonates were not fully explained by trends in gestational age, gender, birth order, multiple gestations, and fathers' age. Thus, additional factors such as pre-pregnancy maternal body mass index (BMI) and maternal diet should be considered. Reducing the rate of induced deliveries and improving the BMI or diet of young women should be a public health priority.


Asunto(s)
Peso al Nacer/fisiología , Índice de Masa Corporal , Dieta , Femenino , Predicción , Edad Gestacional , Humanos , Recién Nacido , Japón , Modelos Lineales , Masculino , Embarazo , Embarazo Múltiple , Factores de Riesgo , Factores Sexuales
12.
Lancet Oncol ; 21(1): 175-184, 2020 01.
Artículo en Inglés | MEDLINE | ID: mdl-31734069

RESUMEN

BACKGROUND: Cryotherapy is standard practice for treating patients with cervical precancer in see-and-treat programmes in low-income and middle-income countries (LMICs). Because of logistical difficulties with cryotherapy (eg, the necessity, costs, and supply chain difficulties of refrigerant gas; equipment failure; and treatment duration >10 min), a battery-operated thermal ablator that is lightweight and portable has been developed. We aimed to compare thermal ablation using the new device with cryotherapy. METHODS: We report the pilot phase of a randomised controlled trial in routine screen-and-treat clinics providing cervical screening using visual inspection with acetic acid (VIA) in Lusaka, Zambia. We recruited non-pregnant women, aged 25 years or older, who were eligible for ablative therapy. We randomly assigned participants (1:1:1) to thermal ablation, cryotherapy, or large loop excision of the transformation zone (LLETZ), using computer-generated allocation. The randomisation was concealed but the nurses providing treatment and the participants were unmasked. Thermal ablation was achieved using the Liger thermal ablator (using 1-5 overlapping applications of the probe heated to 100°C, each application lasting for 40 s), cryotherapy was carried out using the double-freeze technique (freeze for 3 min, thaw for 5 min, and freeze again for 3 min), and LLETZ (using a large loop driven by an electro-surgical unit to excise the transformation zone) was done under local anaesthesia. The primary endpoint was treatment success, defined as either human papillomavirus (HPV) type-specific clearance among participants who were positive for the same HPV type at baseline, or a negative VIA test at 6-month follow-up, if the baseline HPV test was negative. Per protocol analyses were done. Enrolment for the full trial is ongoing. Here, we present findings from a prespecified pilot phase of the full trial. The final analysis of the full trial will assess non-inferiority of the groups for the primary efficacy endpoint. The study is registered with ClinicalTrials.gov, number NCT02956239. FINDINGS: Between Aug 2, 2017, and Jan 15, 2019, 750 participants were randomly assigned (250 per group). 206 (84%) participants in the cryotherapy group, 197 (81%) in the thermal ablation group, and 204 (84%) in the LLETZ group attended the 6-month follow-up examination. Treatment success was reported in 120 (60%) of 200 participants in the cryotherapy group, 123 (64%) of 192 in the thermal ablation group, and 134 (67%) of 199 in the LLETZ group (p=0·31). Few participants complained of moderate to severe pain in any group immediately after the procedure (six [2%] of 250 in the cryotherapy group, four [2%] of 250 in the thermal ablation group, and five [2%] of 250 in the LLETZ group) and 2 weeks after the procedure (one [<1%] of 241 in the cryotherapy group, none of 242 in the thermal ablation group, and two [<1%] of 237 in the LLETZ group). None of the participants reported any complication requiring medical consultation or admission to hospital. INTERPRETATION: Results from this pilot study preliminarily suggest that thermal ablation has similar treatment success to cryotherapy, without the practical disadvantages of providing cryotherapy in an LMIC. However, the study was not powered to establish the similarity between the techniques, and results from the ongoing randomised controlled trial are need to confirm these results. FUNDING: US National Institutes of Health.


Asunto(s)
Ácido Acético/química , Crioterapia/métodos , Electrocirugia/métodos , Hipertermia Inducida/métodos , Infecciones por Papillomavirus/complicaciones , Displasia del Cuello del Útero/terapia , Neoplasias del Cuello Uterino/terapia , Adulto , Detección Precoz del Cáncer/métodos , Femenino , Estudios de Seguimiento , Humanos , Persona de Mediana Edad , Papillomaviridae/aislamiento & purificación , Infecciones por Papillomavirus/virología , Proyectos Piloto , Pronóstico , Estudios Prospectivos , Neoplasias del Cuello Uterino/patología , Neoplasias del Cuello Uterino/virología , Displasia del Cuello del Útero/patología , Displasia del Cuello del Útero/virología
13.
BMC Infect Dis ; 20(1): 808, 2020 Nov 05.
Artículo en Inglés | MEDLINE | ID: mdl-33153446

RESUMEN

BACKGROUND: Although more than 10 years have passed since HPV vaccination was implemented, first as an interim programme (Emergent vaccine promotion programme) in November 2010, followed by incorporating into the National Immunization Programme in April, 2013 and suspended in June 2013, limited studies have investigated the HPV vaccine effectiveness against high-grade cervical lesions in Japan. METHODS: We collected the matched data of the results of cervical biopsy and history of vaccination from the Japan Cancer Society database. The subjects were women aged 20 to 29 years screened for cervical cancer between April, 2015 and March, 2017, and with information on HPV vaccination status. We estimated the relative risk of developing high-grade cervical lesions in vaccinated subjects using Poisson regression as compared to unvaccinated subjects. RESULTS: Among the 34,281 women screened, 3770 (11.0%) were vaccinated. The prevalence of CIN2+ was statistically significantly lower in the vaccinated women as compared to the unvaccinated women (Vaccine Effectiveness (VE) =76%; RR = 0.24, 95% CI:0.10-0.60). High VE against CIN3+ was also observed (91%; RR = 0.09, 95% CI:0.00-0.42). CONCLUSION: Women aged 20-29 years who received at least one dose of HPV vaccine had a significantly lower risk of high-grade cervical lesions than those not vaccinated. In Japan, HPV vaccination should be resumed in order to reduce the incidence of cervical cancer.


Asunto(s)
Papillomaviridae/inmunología , Infecciones por Papillomavirus/prevención & control , Vacunas contra Papillomavirus/inmunología , Displasia del Cuello del Útero/prevención & control , Neoplasias del Cuello Uterino/prevención & control , Vacunación , Adulto , Estudios Transversales , Femenino , Humanos , Programas de Inmunización , Incidencia , Japón/epidemiología , Infecciones por Papillomavirus/epidemiología , Vacunas contra Papillomavirus/administración & dosificación , Prevalencia , Resultado del Tratamiento , Neoplasias del Cuello Uterino/clasificación , Neoplasias del Cuello Uterino/virología , Adulto Joven , Displasia del Cuello del Útero/clasificación , Displasia del Cuello del Útero/virología
14.
J Cancer Educ ; 35(3): 579-588, 2020 06.
Artículo en Inglés | MEDLINE | ID: mdl-30863980

RESUMEN

More than two thirds of breast cancers in developing countries are diagnosed at a late stage. Awareness-based screening programmes, integrated into existing infrastructure, are the way forward for cancer control in these countries. We aim to describe a structured screening programme established in an urban community in Mumbai, India. We conducted a breast cancer awareness survey in this urban community covered by employees' health scheme. A brochure was designed to inform women about early signs of breast cancer and was posted for the women in the community. We described early signs and symptoms of breast cancer and encouraged the women to seek healthcare in the breast clinics specifically designed for early referral. A multidisciplinary team was established for further in-house care at the community hospital. A database of the detected cancers was maintained. A total of 22,500 brochures were sent in each round of mailing. Four such rounds were conducted in 3 years. A total of 3547 women reported for clinical breast examination (CBE) for various breast complaints or screening. Of these women, 53% were asymptomatic. CBE was normal in 2843 women, and 767 (21%) women were referred for further investigations. Eighty-three breast cancers were detected with 72% having early (stage I-II) cancers. Our exploratory study revealed that awareness-based screening programmes with organised infrastructure and referral pattern could lead to diagnosing early cancers.


Asunto(s)
Neoplasias de la Mama/diagnóstico , Detección Precoz del Cáncer/métodos , Mamografía/métodos , Derivación y Consulta/estadística & datos numéricos , Adulto , Anciano , Neoplasias de la Mama/epidemiología , Neoplasias de la Mama/prevención & control , Neoplasias de la Mama/psicología , Detección Precoz del Cáncer/psicología , Femenino , Humanos , India/epidemiología , Mamografía/psicología , Persona de Mediana Edad , Encuestas y Cuestionarios
15.
Int J Cancer ; 144(9): 2144-2152, 2019 05 01.
Artículo en Inglés | MEDLINE | ID: mdl-30474210

RESUMEN

In Japan, cervical cancer incidence has increased since the late 1990s especially among young women, despite a decreasing trend in most developed countries. Here, we examined age, period and birth cohort trends in cervical cancer incidence rates from 1985 to 2012. Incidence rates were ascertained using three population-based cancer registries and analyzed using Joinpoint regression and age-period-cohort models. We compared the findings in Japan to trends among Japanese-Americans in the Surveillance, Epidemiology, and End Results Registries and among women in South Korea using the Korea Central Registry. Age-standardized incidence rates in Japan decreased by 1.7% per year (95% confidence interval - 3.3%, 0.0%) until 1997 and thereafter increased by 2.6% per year (1.1%, 4.2%). Incidence rates increased among women under age 50, were stable among women aged 50-54, and decreased or remained stable among women aged 55 and over. The age-standardized incidence rate ratio by birth cohort showed a U-shaped pattern with the lowest rates in women born in the late 1930s and 1940s. In comparison, women born before 1920 and after 1970 had about double the incidence. Increasing risk in recent birth cohorts was not evident in Japanese-American or South Korean women. The trends in Japan may be attributable to increasing prevalence of human papillomavirus (HPV) infection among young women. Screening and vaccination have been shown to be highly effective and would help reverse these trends.


Asunto(s)
Fumar Cigarrillos/epidemiología , Infecciones por Papillomavirus/epidemiología , Neoplasias del Cuello Uterino/epidemiología , Vacunación/estadística & datos numéricos , Adulto , Anciano , Anciano de 80 o más Años , Asiático/estadística & datos numéricos , Femenino , Humanos , Incidencia , Japón/epidemiología , Persona de Mediana Edad , Vacunas contra Papillomavirus/administración & dosificación , Sistema de Registros , República de Corea/epidemiología , Estados Unidos/epidemiología , Adulto Joven
16.
Prev Med ; 118: 81-91, 2019 01.
Artículo en Inglés | MEDLINE | ID: mdl-30342109

RESUMEN

Treatment of preinvasive lesions is critical to the success of secondary prevention of cervical cancer. In many settings, however, excision or ablation of preinvasive lesions can prove challenging. Thermal ablation (TA) is a form of treatment for cervical precancer that may present fewer logistical challenges in resource limited settings. In 2013, Dolman and colleagues wrote a meta-analysis of publications reporting cure rates from TA. This included only one article from a low or middle-income country (LMIC). We updated Dolman's meta-analysis to include more recent articles from LMICs. A formal review of the world literature was performed for the years 2014-2017. Article titles and abstracts were reviewed for relevance; full articles were assessed for quality. The primary endpoint was treatment outcome for cervical intraepithelial neoplasia grade 2 or higher (CIN2+). The I2 statistic was used to assess heterogeneity between studies. Studies were stratified by geographic region, decade that the study was published, World Bank economic classification of the country where the study was performed, and other factors. We reviewed 34 total reports and included 23 in our meta-analysis, including 10,995 and 6371 patients, respectively. A total of 7 studies were performed in LMICs, including 6 studies included in the meta-analysis. The overall response rate for TA treatment of biopsy proven CIN2+ was 93.8%. Consistent with the wide variety of settings and patient populations, there was significant heterogeneity between studies. TA appears to be an effective treatment for CIN2+ across a variety of settings, including in LMICs.


Asunto(s)
Ablación por Radiofrecuencia , Displasia del Cuello del Útero/cirugía , Estudios de Factibilidad , Femenino , Humanos , Resultado del Tratamiento , Neoplasias del Cuello Uterino/prevención & control
17.
J Obstet Gynaecol ; 39(1): 86-90, 2019 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-30229689

RESUMEN

The objective was to describe the cervical cancer cases in Brazil by the age-group and stage at diagnosis, and to associate them with the human development index (HDI), where the women live. This was a retrospective study that used data from the Brazilian hospital-based cancer registry from 2005 to 2014. The data were accessed by 5-year age/groups and the federal units. The association between the proportion of cases at Stage I and HDI was estimated in an adjusted linear regression analysis. Among the staged cases, the proportions of cases diagnosed at FIGO Stage I, II, III and IV were 21.2%, 30.7%, 39.9% and 8.2%, respectively. The cases were diagnosed mostly in women aged 45-49 years. There was a significant increase in the proportion of Stage I cases with an increasing HDI (coefficient, 0.46; 95% confidence interval, 0.17-0.76). In conclusion, most of the cases were diagnosed at late stages. The stage at the diagnosis was associated with the human development level. Impact Statement What is already known on this subject? The stage at diagnosis varies according to the level of organisation of the cancer control programme. It is expected that in well-developed programmes there will be a shift to an early stage diagnosis. What the results of this study add? The stage at a diagnosis was associated with the human development level where the women live in Brazil, where most cases were diagnosed at the late stages. What the implications are of these findings for clinical practice and/or further research? This analysis can help with better planning strategies for cancer control. Regional strategies would improve the efficiency of cancer care interventions in countries with large socioeconomic disparities.


Asunto(s)
Estadificación de Neoplasias/estadística & datos numéricos , Neoplasias del Cuello Uterino/diagnóstico , Adulto , Distribución por Edad , Brasil/epidemiología , Femenino , Humanos , Modelos Lineales , Tamizaje Masivo/estadística & datos numéricos , Persona de Mediana Edad , Sistema de Registros , Estudios Retrospectivos , Neoplasias del Cuello Uterino/epidemiología
18.
Lancet Oncol ; 19(2): e93-e101, 2018 02.
Artículo en Inglés | MEDLINE | ID: mdl-29413484

RESUMEN

Examples of successful implementations of national cancer control plans in low-income or middle-income countries remain rare. Morocco, a country where cancer is already the second leading cause of death after cardiovascular diseases, is one exception in this regard. Population ageing and lifestyle changes are the major drivers that are further increasing the cancer burden in the country. Facing this challenge, the Moroccan Ministry of Health has developed a we l planned and pragmatic National Plan for Cancer Prevention and Control (NPCPC) that, since 2010, has been implemented with government financial support to provide basic cancer care services across the entire range of cancer control. Several features of the development and implementation of the NPCPC and health-care financing in Morocco provide exemplars for other low-income and middle-income countries to follow. Additionally, from the first 5 years of NPCPC, several areas were shown to require further focus through implementation research, notably in strengthening cancer awareness, risk reduction, and the referral pathways for prevention, early detection, treatment, and follow-up care. Working together with a wide range of stakeholders, and engagement with stakeholders outside the health-care system on a more holistic approach can provide further opportunities for the national authorities to build on their successes and realise the full potential of present and future cancer control efforts in Morocco.


Asunto(s)
Atención a la Salud/economía , Gastos en Salud , Neoplasias/epidemiología , Neoplasias/prevención & control , Pobreza/economía , Anciano , Países en Desarrollo , Femenino , Salud Global , Recursos en Salud/economía , Humanos , Masculino , Persona de Mediana Edad , Marruecos , Evaluación de Necesidades , Pobreza/estadística & datos numéricos
19.
Int J Cancer ; 143(12): 3273-3280, 2018 12 15.
Artículo en Inglés | MEDLINE | ID: mdl-30006933

RESUMEN

Breast Cancer Screening Program was introduced and rolled out in Morocco in 2010. Women between 40 and 69 years are screened at the primary health centers (PHC) with clinical breast examination (CBE). A comprehensive evaluation of the program was conducted in 2016-2017 for quality assurance and mid-term course correction. The evaluation process involved: in-depth interviews of program managers; focus group discussions with service-providers of screening, diagnosis and treatment; supportive supervisory visits to randomly selected PHCs and diagnostic centers; desk review of the national guidelines and other published documents; and analysis of the performance data compiled by the program-in-charge. We found that the program has strong political support, a well-organized management structure and documented national policy and protocol. In absence of a mechanism to identify and invite the eligible women individually, the program is opportunistic in nature. Every PHC is provided with an annual target to be screened. A highly visible annual campaign to educate and motivate women has a major impact on participation. Record keeping and data collection are paper-based. In the years 2015 and 2016, 1.1 and 1.5 million women were screened, respectively. In the year 2015, 62.8% of the annual target population was covered, CBE positivity was 3.2%, a further assessment rate of screen-positive women was 34.1% and the breast cancer detection rate was 1.0/1000 women. Systematic paper-based data collection enabled the assessment of some of the process and outcome indicators. The screening coverage was moderate and the cancer detection rate was low.


Asunto(s)
Neoplasias de la Mama/diagnóstico , Detección Precoz del Cáncer/normas , Tamizaje Masivo/organización & administración , Adulto , Anciano , Biopsia/métodos , Neoplasias de la Mama/diagnóstico por imagen , Errores Diagnósticos , Detección Precoz del Cáncer/métodos , Femenino , Humanos , Mamografía/métodos , Tamizaje Masivo/normas , Persona de Mediana Edad , Marruecos , Evaluación de Procesos y Resultados en Atención de Salud , Examen Físico , Desarrollo de Programa , Evaluación de Programas y Proyectos de Salud , Garantía de la Calidad de Atención de Salud
20.
Gynecol Oncol ; 151(2): 221-228, 2018 11.
Artículo en Inglés | MEDLINE | ID: mdl-30269870

RESUMEN

OBJECTIVE: Self-collected HPV testing could substantially reduce disparities in cervical cancer screening, with slightly lower sensitivity compared to physician-collected specimens cross-sectionally. We aimed to evaluate the comprehensive long-term performance of self-collected HPV testing prospectively. METHODS: In 1999, 1997 women were screened by HPV testing on self-collected and physician-collected samples, cytology and visual inspection with acetic acid (VIA) and followed up in 2005, 2010 and 2014, respectively. HPV testing was performed with Hybrid Capture II. Prospective performance, baseline clinical efficiency, and 15-year cumulative risk of cervical intraepithelial neoplasia grade 2 or higher (CIN2+) were analyzed. RESULTS: Self-collected HPV testing prospectively detected 83.3% (95% CI:74.9%,89.3%), 70.3% (95% CI:62.5%,77.2%) and 63.3% (95% CI:55.7%, 70.2%) of cumulative CIN2+ at 6-year, 11-year and 15-year follow-up, respectively. Relative cumulative sensitivity of physician-collected HPV testing versus self-collected HPV testing was stable over 15 years at about 1.16. Cumulative sensitivity of self-collected HPV testing was comparable to cytology and significantly higher than VIA. Among women positive by self-collected HPV testing at baseline, 26.2% (95% CI:21.5%, 30.9%) developed CIN2+ during 6-year follow-up and no difference was observed with physician-collected HPV testing even 15 years after baseline. Negative self-collected HPV results provided greater protection against CIN2+ than VIA and ascertained CIN2+ cumulative incident rates as low as 1.1% at the 6-year follow-up. CONCLUSIONS: Self-collected HPV testing demonstrates lower sensitivity than physician-collected HPV testing but performs comparably to cytology prospectively and provides satisfactory assurance against CIN2+, indicating an alternative role in cervical cancer primary screening with five-year interval as an option especially in low-resource settings.


Asunto(s)
Detección Precoz del Cáncer/métodos , Papillomaviridae/aislamiento & purificación , Neoplasias del Cuello Uterino/diagnóstico , Adulto , Anciano , Estudios de Cohortes , Femenino , Humanos , Persona de Mediana Edad , Neoplasias del Cuello Uterino/virología
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