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1.
BMC Womens Health ; 23(1): 438, 2023 08 18.
Artigo em Inglês | MEDLINE | ID: mdl-37596636

RESUMO

INTRODUCTION: Human papillomavirus (HPV) testing is transforming cervical screening globally. The World Health Organization (WHO) now recommends same-day HPV screen-and-treat for primary cervical screening in low- and middle-income countries (LMIC) but there is a lack of evidence on women's lived experience of testing positive for oncogenic HPV and receiving same-day treatment. This study aimed to address this knowledge gap among women participating in a same-day HPV screen-and-treat (HPV S&T) program in Papua New Guinea. METHODS: As part of a larger qualitative study, this paper explores the lived experiences of 26 women who tested positive for oncogenic HPV and were treated the same day. We analysed the data using the interpretative phenomenological analysis method. All data were managed using Nvivo 12.5. RESULTS: The interpretative phenomenological analysis led to three superordinate themes: 1) facing and alleviating initial worries, (2) transforming the disclosure process, and (3) connecting to their faith. Women's experiences of the same day HPV screen-and-treat were framed by initial emotional reactions to their positive HPV test result, and having access to treatment on the same day, which helped address their worries and fears, and transformed their experience of disclosing their test result and subsequent treatment to family and friends. CONCLUSION: This study shows that, while women experience similar initial emotional reactions, undergoing same day treatment quickly resolved the women's worries, making this program highly acceptable. Overall, women's engagement in the program confirmed its high acceptability and cultural congruence, leaving women feeling empowered and hopeful about their future, and the future of all Papua New Guinea women.


Assuntos
Infecções por Papillomavirus , Neoplasias do Colo do Útero , Humanos , Feminino , Detecção Precoce de Câncer , Infecções por Papillomavirus/diagnóstico , Papua Nova Guiné , Neoplasias do Colo do Útero/diagnóstico , Emoções
2.
BMC Health Serv Res ; 22(1): 1514, 2022 Dec 12.
Artigo em Inglês | MEDLINE | ID: mdl-36510192

RESUMO

BACKGROUND: A field trial to evaluate a self-collect point-of-care HPV screen-and-treat (HPV S&T) program was implemented in two Well Women Clinics in Papua New Guinea (Papua New Guinea). Assessing the acceptability of a health intervention is a core element of evaluation. In this study, we examined women's acceptability of both self-collection and HPV S&T intervention in Papua New Guinea.  METHODS: Sixty-two semi-structured interviews were conducted with women who had undergone cervical screening in the same-day self-collected HPV screen-and-treat program in Madang and Western Highlands Provinces, Papua New Guinea. Data were thematically analysed using the Theoretical Framework of Acceptability (TFA) and managed using NVivo 12.5. RESULTS: Most women agreed that self-collection was transformative: it helped circumvent the culturally embarrassing pelvic examination and increased their self-efficacy, especially due to the provision of health education, instructions, and pictorial aids. The availability of same-day results, and treatment if indicated, was particularly valued by the women because it reduced the financial and temporal burden to return to the clinic for results. It also meant they did not need to wait anxiously for long periods of time for their results. Women also appreciated the support from, and expertise of, health care workers throughout the process and spoke of trust in the HPV-DNA testing technology. Most women were willing to pay for the service to ensure its sustainability and timely scale-up throughout Papua New Guinea to support access for women in harder to reach areas. CONCLUSION: This study reported very high levels of acceptability from a field trial of self-collection and HPV same-day screen-and-treat. The program was deemed culturally congruent and time efficient. This innovative cervical screening modality could be the 'solution' needed to see wider and more immediate impact and improved outcomes for women in Papua New Guinea and other high-burden, low-resource settings.


Assuntos
Infecções por Papillomavirus , Neoplasias do Colo do Útero , Feminino , Humanos , Infecções por Papillomavirus/diagnóstico , Infecções por Papillomavirus/prevenção & controle , Neoplasias do Colo do Útero/diagnóstico , Neoplasias do Colo do Útero/prevenção & controle , Detecção Precoce de Câncer/métodos , Papillomavirus Humano , Sistemas Automatizados de Assistência Junto ao Leito , Programas de Rastreamento/métodos
3.
Lancet Glob Health ; 10(9): e1336-e1346, 2022 09.
Artigo em Inglês | MEDLINE | ID: mdl-35878625

RESUMO

BACKGROUND: WHO recommends human papillomavirus (HPV) testing and same-day treatment for cervical screening in low-income and middle-income countries (LMICs); however, few published data exist on the validity of the strategy. We aimed to evaluate the clinical performance, treatment completion rates, adverse events profile, and acceptability of a fully integrated strategy, comprising point-of-care HPV DNA testing of self-collected specimens and same-day thermal ablation, for screening of cervical cancer in women in Papua New Guinea. METHODS: HPV-STAT was a large-scale, prospective, single-arm intervention trial conducted at two clinical sites in Papua New Guinea. Cervical screening clinics with an on-site consultant gynaecologist were selected in consultation with national and provincial health authorities, church health services, and local stakeholders. Eligible participants were women aged 30-59 years attending cervical screening services at the two clinics, who were willing to comply with study procedures and able to provide written informed consent. Women self-collected vaginal specimens for point-of-care GeneXpert testing (Cepheid, Sunnyvale, CA, USA) for oncogenic HPV types. Women testing positive for HPV underwent pelvic examination followed by same-day thermal ablation or referral for gynaecology review. All HPV-positive women and a 15% random sample of HPV-negative women provided a clinician-collected cervical specimen for liquid-based cytology. The primary outcome was clinical performance (ie, sensitivity, specificity, positive predictive value [PPV], and negative predictive value [NPV]) of the strategy for the detection of high-grade squamous intraepithelial lesion (HSIL) or worse. This trial is registered with ISRCTN, ISRCTN13476702. FINDINGS: Between June 5, 2018, and Jan 6, 2020, we recruited 4285 women, 3638 (84·9%) of whom tested negative for HPV and 647 (15·1%) tested positive for one or more oncogenic HPV type. Sensitivity of the algorithm to detect HSIL or worse was 85·4% (95% CI 81·0-89·6), with specificity 89·6% (88·6-90·6), PPV 35·2% (31·6-39·0), and NPV 98·9% (98·6-99·2). Among HPV-positive women, 602 (93·0%) received same-day thermal ablation and 42 (6·5%) were referred for gynaecology review, 37 (88·1%) of whom attended. Acceptability was high among both HPV-positive and HPV-negative women. Among the 329 HPV-positive women who attended a 3-month follow-up visit, 51 (15·5%) reported mild adverse symptoms that resolved in all cases by the follow-up visit. There were no serious adverse events. INTERPRETATION: We conducted the first real-world evaluation of a fully integrated point-of-care HPV self-collect, test, and treat strategy for same-day cervical screening in a LMIC and found it to be effective, acceptable, and safe when implemented at scale in primary health-care facilities in Papua New Guinea. Our findings support the introduction and scale-up of HPV screening and treatment for the control and elimination of cervical cancer in LMICs, as recommended by WHO. FUNDING: Australian National Health and Medical Research Council.


Assuntos
Alphapapillomavirus , Infecções por Papillomavirus , Displasia do Colo do Útero , Neoplasias do Colo do Útero , Alphapapillomavirus/genética , Austrália , DNA , Detecção Precoce de Câncer/métodos , Feminino , Humanos , Masculino , Papillomaviridae/genética , Infecções por Papillomavirus/diagnóstico , Papua Nova Guiné , Sistemas Automatizados de Assistência Junto ao Leito , Estudos Prospectivos , Sensibilidade e Especificidade , Neoplasias do Colo do Útero/diagnóstico , Esfregaço Vaginal , Displasia do Colo do Útero/diagnóstico
4.
BMJ Glob Health ; 7(3)2022 03.
Artigo em Inglês | MEDLINE | ID: mdl-35241461

RESUMO

INTRODUCTION: WHO has launched updated cervical screening guidelines, including provisions for primary HPV screen-and-treat. Papua New Guinea (PNG) has a high burden of cervical cancer, but no national cervical screening programme. We recently completed the first field trials of a screen-and-treat algorithm using point-of-care self-collected HPV and same-day treatment (hereafter self-collected HPV S&T) and showed this had superior clinical performance and acceptability to visual inspection of the cervix with acetic acid (VIA). We, therefore, evaluated the effectiveness, cost-effectiveness and resource implications of a national cervical screening programme using self-collected HPV S&T compared with VIA in PNG. METHODS: An extensively validated platform ('Policy1-Cervix') was calibrated to PNG. A total of 38 strategies were selected for investigation, and these incorporated variations in age ranges and screening frequencies and allowed for the identification of the optimal strategy across a wide range of possibilities. A selection of strategies that were identified as being the most effective and cost-effective were then selected for further investigation for longer-term outcomes and budget impact estimation. In the base case, we assumed primary HPV testing has a sensitivity to cervical intraepithelial neoplasia 2 (CIN2+) + of 91.8% and primary VIA of 51.5% based on our earlier field evaluation combined with evidence from the literature. We conservatively assumed HPV sampling and testing would cost US$18. Costs were estimated from a service provider perspective based on data from local field trials and local consultation. RESULTS: Self-collected HPV S&T was more effective and more cost-effective than VIA. Either twice or thrice lifetime self-collected HPV S&T would be cost-effective at 0.5× gross domestic product (GDP) per capita (incremental cost-effectiveness ratio: US$460-US$656/life-years saved; 1GDPper-capita: US$2829 or PGK9446 (year 2019)) and could prevent 33 000-42 000 cases and 23 000-29 000 deaths in PNG over the next 50 years, if scale-up reached 70% coverage from 2023. CONCLUSION: Self-collected HPV S&T was effective and cost-effective in the high-burden, low-resource setting of PNG, and, if scaled-up rapidly, could prevent over 20 000 deaths over the next 50 years. VIA screening was not effective or cost-effective. These findings support, at a country level, WHO updated cervical screening guidelines and indicate that similar approaches could be appropriate for other low-resource settings.


Assuntos
Infecções por Papillomavirus , Neoplasias do Colo do Útero , Análise Custo-Benefício , Países em Desenvolvimento , Detecção Precoce de Câncer , Feminino , Humanos , Infecções por Papillomavirus/diagnóstico , Infecções por Papillomavirus/prevenção & controle , Papua Nova Guiné , Sistemas Automatizados de Assistência Junto ao Leito , Neoplasias do Colo do Útero/diagnóstico , Neoplasias do Colo do Útero/prevenção & controle
6.
Lancet Oncol ; 20(9): e493-e502, 2019 09.
Artigo em Inglês | MEDLINE | ID: mdl-31395474

RESUMO

Pacific island countries and territories (PICTs) face the challenge of a growing cancer burden. In response to these challenges, examples of innovative practice in cancer planning, prevention, and treatment in the region are emerging, including regionalisation and coalition building in the US-affiliated Pacific nations, a point-of-care test and treat programme for cervical cancer control in Papua New Guinea, improving the management of children with cancer in the Pacific, and surgical workforce development in the region. For each innovation, key factors leading to its success have been identified that could allow the implementation of these new developments in other PICTs or regions outside of the Pacific islands. These factors include the strengthening of partnerships within and between countries, regional collaboration within the Pacific islands (eg, the US-affiliated Pacific nations) and with other regional groupings of small island nations (eg, the Caribbean islands), a local commitment to the idea of change, and the development of PICT-specific programmes.


Assuntos
Atenção à Saúde , Neoplasias do Colo do Útero/epidemiologia , Criança , Feminino , Humanos , Ilhas do Pacífico/epidemiologia , Papua Nova Guiné/epidemiologia , Neoplasias do Colo do Útero/patologia , Neoplasias do Colo do Útero/cirurgia , Índias Ocidentais/epidemiologia
7.
Lancet Oncol ; 20(9): e475-e492, 2019 09.
Artigo em Inglês | MEDLINE | ID: mdl-31395476

RESUMO

This Series paper describes the current state of cancer control in Pacific island countries and territories (PICTs). PICTs are diverse but face common challenges of having small, geographically dispersed, isolated populations, with restricted resources, fragile ecological and economic systems, and overburdened health services. PICTs face a triple burden of infection-related cancers, rapid transition to lifestyle-related diseases, and ageing populations; additionally, PICTs are increasingly having to respond to natural disasters associated with climate change. In the Pacific region, cancer surveillance systems are generally weaker than those in high-income countries, and patients often present at advanced cancer stage. Many PICTs are unable to provide comprehensive cancer services, with some patients receiving cancer care in other countries where resources allow. Many PICTs do not have, or have poorly developed, cancer screening, pathology, oncology, surgical, and palliative care services, although some examples of innovative cancer planning, prevention, and treatment approaches have been developed in the region. To improve cancer outcomes, we recommend prioritising regional collaborative approaches, enhancing cervical cancer prevention, improving cancer surveillance and palliative care services, and developing targeted treatment capacity in the region.


Assuntos
Detecção Precoce de Câncer , Neoplasias/epidemiologia , Humanos , Neoplasias/patologia , Neoplasias/terapia , Ilhas do Pacífico/epidemiologia , Cuidados Paliativos
8.
Papillomavirus Res ; 8: 100171, 2019 12.
Artigo em Inglês | MEDLINE | ID: mdl-31212024

RESUMO

Papua New Guinea has among the highest estimated burden of cervical cancer globally, but currently lacks national cervical screening or human papillomavirus (HPV) vaccination programmes. The Papua New Guinean government is committed to introducing the HPV vaccine for primary prevention, but locally-relevant research evidence is not available to guide implementation. Experience from earlier Papua New Guinean health programmes suggests that appropriate engagement with local health cosmologies and cultures for health/wellbeing, illness/disease, and recognition of the role of 'outsiders' in preventing, promoting or contributing to sickness, are essential to the successful introduction of biomedical interventions in this setting. We describe findings from a multi-site qualitative study undertaken in three provinces in Papua New Guinea (2012-14). Twenty-one gender specific focus group discussions and 82 semi-structured interviews, with a total of 208 participants, were conducted. There was strong community support for the introduction of the HPV vaccine for cervical cancer prevention in Papua New Guinea. Significantly, and despite being officially discussed in the context of a planned future intervention focusing on vaccinating young girls to prevent cervical cancer, the intervention was de-feminised, where both girls and boys were supported to be vaccinated in any HPV programme in Papua New Guinea.


Assuntos
Infecções por Papillomavirus/prevenção & controle , Vacinas contra Papillomavirus/imunologia , Neoplasias do Colo do Útero/prevenção & controle , Vacinação , Feminino , Humanos , Masculino , Mortalidade , Infecções por Papillomavirus/virologia , Vacinas contra Papillomavirus/administração & dosagem , Papua Nova Guiné/epidemiologia , Fatores Sexuais , Comportamento Sexual , Neoplasias do Colo do Útero/epidemiologia , Neoplasias do Colo do Útero/etiologia
9.
Papillomavirus Res ; 6: 70-76, 2018 12.
Artigo em Inglês | MEDLINE | ID: mdl-30391365

RESUMO

The performance of different clinical screening algorithms comprising point-of-care HPV-DNA testing using self-collected vaginal ('V') specimens, and visual inspection of the cervix with acetic acid (VIA) was evaluated in Papua New Guinea. Women aged 30-59 years provided V specimens that were tested at point-of-care using the Xpert HPV Test (Cepheid, Sunnyvale, CA). A clinician-collected cervical ('C') specimen was then collected for point-of-care Xpert testing, and liquid-based cytology (LBC). Following this, VIA examination was conducted, blind to HPV test results, and ablative cervical cryotherapy provided if indicated. Detection of high-grade squamous intraepithelial lesion (HSIL) by LBC was the reference standard used to evaluate clinical screening algorithms. Of 1005 women, 36 had HSIL+. Xpert HPV Test performance using V specimens (sensitivity 91.7%, specificity 87.0%, PPV 34.0%, NPV 99.3%) was superior to VIA examination alone (51.5%, 81.4%, 17.5%, 95.6% respectively) in predicting underlying HSIL+. A screening algorithm comprising V specimen HPV testing followed by VIA examination had low sensitivity (45.5%) but comparable specificity, PPV and NPV to HPV testing alone (96.3%, 45.5%, 96.3% respectively). A 'test-and-treat' screening algorithm based on point-of-care HPV testing of V specimens had superior performance compared with either VIA examination alone, or a combined screening algorithm comprising HPV testing plus VIA.


Assuntos
Técnicas Citológicas/métodos , DNA Viral/isolamento & purificação , Sistemas Automatizados de Assistência Junto ao Leito , Manejo de Espécimes/métodos , Lesões Intraepiteliais Escamosas Cervicais/diagnóstico , Neoplasias do Colo do Útero/diagnóstico , Vagina/virologia , Ácido Acético/administração & dosagem , Adulto , Algoritmos , Colo do Útero/patologia , DNA Viral/genética , Detecção Precoce de Câncer/métodos , Feminino , Humanos , Indicadores e Reagentes , Pessoa de Meia-Idade , Papua Nova Guiné , Autoexame/métodos , Sensibilidade e Especificidade
10.
Aust N Z J Obstet Gynaecol ; 58(5): 576-581, 2018 10.
Artigo em Inglês | MEDLINE | ID: mdl-29380356

RESUMO

BACKGROUND: Papua New Guinea (PNG) has among the highest estimated burdens of cervical cancer globally but currently has no national cervical screening program. Visual inspection of the cervix with acetic acid (VIA) is a low-cost screening strategy endorsed by the World Health Organization that has been adopted in many low-resource settings but not previously evaluated in PNG. AIM: To evaluate the association between VIA examination findings and high-risk HPV (hrHPV) infection; and the impact of concomitant genital Chlamydia trachomatis, Neisseria gonorrhoeae and Trichomonas vaginalis on the interpretation of VIA findings. METHODS: A prospective clinical cohort study among women aged 30-59 years attending Well Woman Clinics in PNG. Main outcome measures were VIA examination findings and laboratory-confirmed hrHPV, C. trachomatis, N. gonorrhoeae and T. vaginalis. RESULTS: A total of 614 women were enrolled, of whom 87.5% (537/614) underwent VIA, and 12.5% (77/614) did not due to pre-existing cervicitis or inability to visualise the transformation zone. Among the 537 women who underwent VIA, 21.6% were VIA positive, 63.7% VIA negative, and 14.7% had indeterminate findings. The prevalence of hrHPV infection (n = 614) was 14.7%; C. trachomatis, 7.5%; N. gonorrhoeae, 8.0%; and T. vaginalis, 15.0%. VIA positive women were more likely to have HPV16 (odds ratio: 5.0; 95%CI: 1.6-15.6; P = 0.006) but there was no association between HPV18/45, all hrHPV types (combined), C. trachomatis, N. gonorrhoeae or T. vaginalis. CONCLUSIONS: VIA positivity was associated with HPV16, but not with other hrHPV infections, nor with genital C. trachomatis, N. gonorrhoeae or T. vaginalis in this setting.


Assuntos
Colo do Útero/diagnóstico por imagem , Colo do Útero/patologia , Infecções por Chlamydia/epidemiologia , Gonorreia/epidemiologia , Infecções por Papillomavirus/epidemiologia , Vaginite por Trichomonas/epidemiologia , Ácido Acético , Adolescente , Adulto , Fatores Etários , Chlamydia trachomatis , Coito , Comorbidade , Feminino , Papillomavirus Humano 16 , Humanos , Neisseria gonorrhoeae , Infecções por Papillomavirus/virologia , Papua Nova Guiné/epidemiologia , Prevalência , Estudos Prospectivos , Trichomonas vaginalis
11.
Int J Gynaecol Obstet ; 117(1): 30-2, 2012 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-22325971

RESUMO

OBJECTIVE: Prophylactic human papillomavirus (HPV) vaccines are currently not available in Papua New Guinea. Prior to introducing these vaccines, knowledge about the HPV genotypes present in cervical cancer in this region is necessary to determine whether the types covered by the 2 commercially licensed vaccines are the same as those in other regions of the world. METHODS: Fresh, frozen cervical biopsies from 70 women with cervical cancer in Papua New Guinea were collected over a 3-year period from 2006-2009. HPV genotypes were detected using the Genera PapType assay. RESULTS: Overall, 100% of the specimens were HPV DNA positive, with HPV types 16 and 18 being the most prevalent at 57.1% and 25.7% (95% CI, 0.45-0.68 and 0.17-0.37) respectively, followed by HPV 33 (10%; 95% CI, 0.05-0.19) and HPV 31 (4.3%; 95% CI, 0.01-0.12). Multiple genotypes were identified in 6 women (8.6%), with all biopsies containing HPV 16 and 1 other high-risk type. CONCLUSION: The 2 most prevalent HPV types identified in women with cervical cancer in Papua New Guinea correspond to global data. This suggests that the currently available HPV vaccines could potentially reduce the burden of HPV-related cervical cancer in Papua New Guinea significantly.


Assuntos
Adenocarcinoma/virologia , Carcinoma de Células Escamosas/virologia , DNA Viral/análise , Papillomaviridae/genética , Infecções por Papillomavirus/epidemiologia , Infecções por Papillomavirus/virologia , Neoplasias do Colo do Útero/virologia , Adolescente , Adulto , Idoso , Coito , Feminino , Genótipo , Papillomavirus Humano 16/genética , Papillomavirus Humano 18/genética , Papillomavirus Humano 31/genética , Humanos , Pessoa de Meia-Idade , Papua Nova Guiné/epidemiologia , Paridade , Prevalência , Adulto Jovem
13.
Vaccine ; 26 Suppl 12: M80-8, 2008 Aug 19.
Artigo em Inglês | MEDLINE | ID: mdl-18945417

RESUMO

The region encompassing Australasia and Oceania, including Australia, New Zealand, Fiji and Papua New Guinea, is a diverse one with respect to ethnicities, cultures and behaviours. It includes countries with comprehensive cervical cytology screening programmes which can be credited with significant reductions in cervical cancer incidence and mortality, and countries with no prevention programmes and significantly higher incidence and mortality. As elsewhere in the world, human papillomavirus (HPV)-16 and 18 are the commonest high-risk types, with the highest rates in women under 25 years of age. These two high-risk HPV types are found most frequently in cervical cancers and high-grade dysplasias, although there are minimal data for many countries in Oceania. In April 2007, Australia became the first country worldwide to commence a government funded universal HPV vaccine programme. The school-based programme targets 12-year old females in an ongoing schedule, with a catch-up programme up to 26 years of age, to be completed in mid-2009. Vaccine introduction has been comprehensively rolled out, with around 75% uptake of the complete vaccine schedule among school-girls in the first year of this initiative. This represents a successful model for other countries. We present data on cervical cancer, risk factors and prevention strategies, including epidemiology of HPV and HPV vaccine strategies.


Assuntos
Infecções por Papillomavirus/epidemiologia , Infecções por Papillomavirus/prevenção & controle , Vacinas contra Papillomavirus/uso terapêutico , Neoplasias do Colo do Útero/epidemiologia , Neoplasias do Colo do Útero/prevenção & controle , Adolescente , Adulto , Idoso , Austrália/epidemiologia , Criança , Feminino , Fiji/epidemiologia , Programas Governamentais/normas , Política de Saúde , Papillomavirus Humano 16/isolamento & purificação , Papillomavirus Humano 18/isolamento & purificação , Humanos , Incidência , Masculino , Programas de Rastreamento/métodos , Pessoa de Meia-Idade , Nova Zelândia/epidemiologia , Papua Nova Guiné/epidemiologia , Fatores de Risco , Fumar , Neoplasias do Colo do Útero/mortalidade , Neoplasias do Colo do Útero/virologia , Vacinação , Adulto Jovem
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