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1.
Lancet Child Adolesc Health ; 6(1): 38-48, 2022 01.
Artículo en Inglés | MEDLINE | ID: mdl-34767765

RESUMEN

BACKGROUND: Young survivors of cancer are at increased risk for cancers that are related to human papillomavirus (HPV), primarily caused by oncogenic HPV types 16 and 18. We aimed to examine the immunogenicity and safety of the three-dose series of HPV vaccine in young survivors of cancer. METHODS: We conducted an investigator-initiated, phase 2, single-arm, open-label, non-inferiority trial at five National Cancer Institute-designated comprehensive cancer centres in the USA. Eligible participants were survivors of cancer who were HPV vaccine-naive, were aged 9-26 years, in remission, and had completed cancer therapy between 1 and 5 years previously. Participants received three intramuscular doses of either quadrivalent HPV vaccine (HPV4; enrolments on or before March 1, 2016) or nonavalent HPV vaccine (HPV9; enrolments after March 1, 2016) over 6 months (on day 1, at month 2, and at month 6). We also obtained data from published clinical trials assessing safety and immunogenicity of HPV4 and HPV9 in 9-26-year-olds from the general population, as a comparator group. The primary endpoint was antibody response against HPV types 16 and 18 at month 7 in the per-protocol population. A response was deemed non-inferior if the lower bound of the multiplicity-adjusted 95% CI was greater than 0·5 for the ratio of anti-HPV-16 and anti-HPV-18 geometric mean titres (GMTs) in survivors of cancer versus the general population. Responses were examined separately in male and female participants by age group (ie, 9-15 years and 16-26 years). Safety was assessed in all participants who received at least one vaccine dose and for whom safety data were available. This study is registered with ClinicalTrials.gov, NCT01492582. This trial is now completed. FINDINGS: Between Feb 18, 2013, and June 22, 2018, we enrolled 453 survivors of cancer, of whom 436 received one or more vaccine doses: 203 (47%) participants had survived leukaemia, 185 (42%) were female, and 280 (64%) were non-Hispanic white. Mean age at first dose was 15·6 years (SD 4·6). 378 (83%) of 453 participants had evaluable immunogenicity data; main reasons for exclusion from per-protocol analysis were to loss to follow-up, patient reasons, and medical reasons. Data were also obtained from 26 486 general population controls. The ratio of mean GMT for anti-HPV types 16 and 18 in survivors of cancer versus the general population was more than 1 for all subgroups (ie, aged 9-15 years, aged 16-26 years, male, and female groups) in both vaccine cohorts (ranging from 1·64 [95% CI 1·12-2·18] for anti-HPV type 16 in female participants aged 9-15 years who received HPV9, to 4·77 [2·48-7·18] for anti-HPV type 18 in male participants aged 16-26 years who received HPV4). Non-inferiority criteria were met within each age and sex subgroup, except against HPV type 18 in female participants aged 16-26 years receiving HPV9 (4·30 [0·00-9·05]). Adverse events were reported by 237 (54%) of 435 participants; injection site pain was most common (174 [40%] participants). One serious adverse event (ie, erythema nodosum) was possibly related to vaccine (HPV9; 16-26 year female cohort). INTERPRETATION: Immunogenicity and safety of HPV vaccine three-dose series in survivors of cancer is similar to that in the general population, providing evidence for use in this clinically vulnerable population. FUNDING: US National Cancer Institute, Merck, Sharp & Dohme, and American Lebanese Syrian Associated Charities.


Asunto(s)
Supervivientes de Cáncer/estadística & datos numéricos , Inmunogenicidad Vacunal , Infecciones por Papillomavirus , Vacunas contra Papillomavirus/administración & dosificación , Seguridad del Paciente , Adolescente , Adulto , Esquema de Medicación , Femenino , Papillomavirus Humano 16/inmunología , Papillomavirus Humano 18/inmunología , Humanos , Masculino , Infecciones por Papillomavirus/inmunología , Infecciones por Papillomavirus/prevención & control , Estados Unidos , Vacunas Combinadas/administración & dosificación , Adulto Joven
2.
JAMA Netw Open ; 4(8): e2121893, 2021 08 02.
Artículo en Inglés | MEDLINE | ID: mdl-34424304

RESUMEN

Importance: Rates of human papillomavirus (HPV) infection have decreased since the introduction of HPV vaccines in populations with high vaccine uptake. Data are limited for adolescent and young adult populations in US metropolitan centers. Objective: To determine HPV infection rates in adolescent girls and young women aged 13 to 21 years in New York City following HPV vaccination. Design, Setting, and Participants: This cohort study of type-specific cervical HPV detection was conducted at a large adolescent-specific integrated health center in New York City between October 2007 and September 2019. Participants included an open cohort of adolescent girls and young adult women who received the HPV vaccine (Gardasil; Merck & Co) over a 12-year period following HPV vaccination introduction. Data analysis was concluded September 2019. Exposures: Calendar date and time since receipt of first vaccine dose. Main Outcomes and Measures: Temporal associations in age-adjusted postvaccine HPV rates. Results: A total of 1453 participants, with a mean (SD) age at baseline of 18.2 (1.4) years, were included in the cohort (African American with no Hispanic ethnicity, 515 [35.4%] participants; African American with Hispanic ethnicity, 218 [15.0%] participants; Hispanic with no reported race, 637 [43.8%] participants). Approximately half (694 [47.8%] participants) were vaccinated prior to coitarche. Age-adjusted detection rates for quadrivalent vaccine types (HPV-6, HPV-11, HPV-16, and HPV-18) and related types (HPV-31, and HPV-45) decreased year over year, with the largest effect sizes observed among individuals who had been vaccinated before coitarche (adjusted odds ratio [aOR], 0.81; 95% CI, 0.67-0.98). By contrast, detection was higher year over year for nonvaccine high-risk cervical HPV types (aOR, 1.08; 95% CI, 1.04-1.13) and anal HPV types (aOR, 1.11; 95% CI, 1.05-1.17). The largest effect sizes were observed with nonvaccine types HPV-56 and HPV-68. Conclusions and Relevance: Whereas lower detection rates of vaccine-related HPV types were observed since introduction of vaccines in female youth in New York City, rates of some nonvaccine high-risk HPV types were higher. Continued monitoring of high-risk HPV prevalence is warranted.


Asunto(s)
Vacuna Tetravalente Recombinante contra el Virus del Papiloma Humano Tipos 6, 11 , 16, 18/administración & dosificación , Inmunización/estadística & datos numéricos , Papillomaviridae/efectos de los fármacos , Infecciones por Papillomavirus/epidemiología , Infecciones por Papillomavirus/prevención & control , Vacunas contra Papillomavirus/administración & dosificación , Eficacia de las Vacunas/estadística & datos numéricos , Adolescente , Adulto , Estudios de Cohortes , Femenino , Humanos , Incidencia , Ciudad de Nueva York/epidemiología , Factores de Riesgo , Adulto Joven
3.
Int J Nanomedicine ; 15: 9571-9586, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-33293808

RESUMEN

BACKGROUND: Previously, we demonstrated the therapeutic efficacy of a human papillomavirus (HPV) vaccine, including HPV16 E7 peptide and CpG oligodeoxynucleotides (CpG ODN), against small TC-1 grafted tumors. Here, we developed an HPV16 E7 peptide and CpG ODN vaccine delivered using liposomes modified with DC-targeting mannose, Lip E7/CpG, and determined its anti-tumor effects and influence on systemic immune responses and the tumor microenvironment (TME) in a mouse large TC-1 grafted tumor model. METHODS: L-alpha-phosphatidyl choline (SPC), cholesterol (CHOL), 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[methoxy (polyethylene glycol-2000)] (DSPE-PEG-2000), 1,2-dioleoyl-3-trimethylammonium-propane chloride salt (DOTAP) and Mannose-PEG-DSPE, loaded with HPV16 E7 peptide and CpG ODN, were used to construct the Lip E7/CpG vaccine. The anti-tumor effects and potential mechanism of Lip E7/CpG were assessed by assays of tumor growth inhibition, immune cells, in vivo cytotoxic T lymphocyte (CTL) responses and cytokines, chemokines, CD31, Ki67 and p53 expression in the TME. In addition, toxicity of Lip E7/CpG to major organs was evaluated. RESULTS: Lip E7/CpG had a diameter of 122.21±8.37 nm and remained stable at 4°C for 7 days. Co-delivery of HPV16 E7 peptide and CpG ODN by liposomes exerted potent anti-tumor effects in large (tumor volume ≥200mm3) TC-1 grafted tumor-bearing mice with inhibition rates of 80% and 78% relative to the control and Free E7/CpG groups, respectively. Vaccination significantly increased numbers of CD4+ and CD8+ T cells, and IFN-γ-producing cells in spleens and tumors and enhanced HPV-specific CTL responses, while reducing numbers of inhibitory cells including myeloid-derived suppressor cells and macrophages. Expression of cytokines and chemokines was altered and formation of tumor blood vessels was reduced in the Lip E7/CpG group, indicating possible modulation of the immunosuppressive TME to promote anti-tumor responses. Lip E7/CpG did not cause morphological changes in major organs. CONCLUSION: Lip E7/CpG induced anti-tumor effects by enhancing cellular immunity and improving tumor-associated immunosuppression. Mannose-modified liposomes are the promising vaccine delivery strategy for cancer immunotherapy.


Asunto(s)
Adyuvantes Inmunológicos/farmacología , Vacunas contra el Cáncer/administración & dosificación , Liposomas/administración & dosificación , Oligodesoxirribonucleótidos/administración & dosificación , Proteínas E7 de Papillomavirus/administración & dosificación , Adyuvantes Inmunológicos/administración & dosificación , Animales , Linfocitos T CD8-positivos/inmunología , Vacunas contra el Cáncer/inmunología , Vacunas contra el Cáncer/farmacología , Línea Celular Tumoral , Citocinas/metabolismo , Sistemas de Liberación de Medicamentos , Femenino , Humanos , Inmunoterapia/métodos , Liposomas/química , Liposomas/farmacología , Manosa/química , Ratones Endogámicos C57BL , Oligodesoxirribonucleótidos/inmunología , Vacunas contra Papillomavirus/administración & dosificación , Vacunas contra Papillomavirus/inmunología , Linfocitos T Citotóxicos/efectos de los fármacos , Linfocitos T Citotóxicos/inmunología , Microambiente Tumoral/efectos de los fármacos , Ensayos Antitumor por Modelo de Xenoinjerto
4.
J Infect Dis ; 222(3): 499-508, 2020 07 06.
Artículo en Inglés | MEDLINE | ID: mdl-32386228

RESUMEN

BACKGROUND: Human papillomavirus (HPV) infection, and its sequelae of precancerous cervical lesions and their subsequent treatment, have been linked with an increased risk of adverse pregnancy outcomes. Publicly funded HPV vaccination of female adolescents began in Australia in 2007 with initial catch-up to age 26 years. METHODS: Using data from the National Perinatal Data Collection we compared rates of preterm births and small-for-gestational-age infants born in Australia 2000-2015. We used generalized linear models, assuming a Poisson distribution and log link function, with single-year categories of infant birth year, maternal age, and age-specific HPV vaccination coverage as independent variables. RESULTS: In maternal cohorts with 60%-80% HPV vaccination coverage as achieved in Australia, there was a relative rate reduction of 3.2% (95% confidence interval, 1.1%-5.3%) in preterm births and 9.8% (8.2% to 11.4%) in small-for-gestational-age infants, after adjustment for infant's birth year and maternal age. CONCLUSION: This analysis provides provisional population-level evidence of a reduction in adverse pregnancy outcomes in cohorts of women offered HPV vaccination. Confounding by smoking or other variables and/or ecological analysis limitations, however, cannot be excluded. These findings indicate potential broader benefits of HPV vaccination than have been documented to date.


Asunto(s)
Infecciones por Papillomavirus/prevención & control , Vacunas contra Papillomavirus/administración & dosificación , Resultado del Embarazo/epidemiología , Vacunación/estadística & datos numéricos , Adolescente , Adulto , Australia , Femenino , Humanos , Recién Nacido de Bajo Peso , Recién Nacido , Recién Nacido Pequeño para la Edad Gestacional , Modelos Lineales , Edad Materna , Programas Nacionales de Salud , Embarazo , Nacimiento Prematuro/epidemiología , Adulto Joven
5.
J Relig Health ; 58(6): 2196-2207, 2019 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-31352665

RESUMEN

The human papillomavirus (HPV) vaccine is an effective mechanism to prevent HPV-associated cancers; however, uptake is low among women aged 18-26. Religiosity/spirituality is associated with sexual health decision-making. This study examined the role of religious/spiritual beliefs on HPV vaccination among college women (N = 307) using logistic regression and mediation analyses. Findings indicate that sexual activity is the main factor associated with HPV vaccination; and sexual activity fully mediates the relationship between religious/spiritual beliefs and HPV vaccination. Health promotion efforts should highlight the importance of HPV vaccination regardless of current sexual activity and may benefit from partnerships with religious/spiritual organizations.


Asunto(s)
Infecciones por Papillomavirus/prevención & control , Vacunas contra Papillomavirus/administración & dosificación , Aceptación de la Atención de Salud/psicología , Religión , Espiritualidad , Estudiantes/psicología , Adolescente , Adulto , Femenino , Conocimientos, Actitudes y Práctica en Salud , Humanos , Salud Sexual , Universidades , Adulto Joven
6.
Papillomavirus Res ; 8: 100172, 2019 12.
Artículo en Inglés | MEDLINE | ID: mdl-31185296

RESUMEN

Rubella vaccine was not part of national immunization programs (NIP) in several countries in the Middle East and North Africa (MENA), South-East Asia (SEA), and South Africa regions until the year 2000. Therefore, immunization coverage of females older than 20 years old in these countries has been the focus of national campaigns for rubella elimination in developing countries. Vaccines against human papillomavirus (HPV) are not part of NIPs in developing countries. To enhance the advantages of rubella-directed immunization campaigns and to increase HPV vaccine uptake in developing countries, this study aimed to test the stability, potency, efficacy and safety of a combined rubella and HPV vaccine. Female BALB/c mice were immunized subcutaneously with proposed combined HPV16/HPV18 VLP and rubella vaccine at weeks (W) 0, 3 then with HPV vaccine at W 7. Immunized mice developed antigen-specific antibodies against rubella and HPV significantly higher than mice immunized with rubella or HPV vaccine alone. The combined vaccine induced significantly higher splenocyte proliferation than control groups. In addition, pro-inflammatory cytokines IL-4, IL-6, IL-2, and IFNγ levels were significantly higher in mice immunized with the combined vaccine than control groups. Overall, the combined vaccine was safe and immunogenic offering antibody protection as well as eliciting a cellular immune response against rubella and HPV viruses in a single vaccine. This combined vaccine can be of great value to females above 20 years old in the SEA, MENA and South Africa regions offering coverage to rubella vaccine and a potential increase in HPV vaccine uptake rates after appropriate clinical testing.


Asunto(s)
Inmunogenicidad Vacunal , Infecciones por Papillomavirus/prevención & control , Vacunas contra Papillomavirus/inmunología , Vacuna contra la Rubéola/inmunología , Rubéola (Sarampión Alemán)/prevención & control , Animales , Anticuerpos Antivirales/inmunología , Antígenos Virales/inmunología , Línea Celular , Citocinas/metabolismo , Países en Desarrollo , Evaluación Preclínica de Medicamentos , Femenino , Cobayas , Vacuna Tetravalente Recombinante contra el Virus del Papiloma Humano Tipos 6, 11 , 16, 18/administración & dosificación , Vacuna Tetravalente Recombinante contra el Virus del Papiloma Humano Tipos 6, 11 , 16, 18/inmunología , Humanos , Inmunización , Esquemas de Inmunización , Inmunoglobulina G/sangre , Inmunoglobulina G/inmunología , Mediadores de Inflamación , Ratones , Ratones Endogámicos BALB C , Programas Nacionales de Salud , Infecciones por Papillomavirus/epidemiología , Vacunas contra Papillomavirus/administración & dosificación , Vacunas contra Papillomavirus/efectos adversos , Rubéola (Sarampión Alemán)/epidemiología , Vacuna contra la Rubéola/administración & dosificación , Vacuna contra la Rubéola/efectos adversos , Vacunación
7.
Gynecol Oncol ; 152(3): 472-479, 2019 03.
Artículo en Inglés | MEDLINE | ID: mdl-30876491

RESUMEN

BACKGROUND: In response to emergent evidence, many countries are transitioning from cytology-based to HPV screening. We evaluated the impact of an upcoming transition on health outcomes and resource utilisation in New Zealand. METHODS: An extensively validated model of HPV transmission, vaccination, natural history and cervical screening ('Policy1-Cervix') was utilised to simulate a transition from three-yearly cytology for women 20-69 years to five-yearly HPV screening with 16/18 genotyping for women 25-69 years, accounting for population growth and the impact of HPV immunisation. Cervical cancer rates, resources use (test volumes), costs, and test positivity rates from 2015 to 2035 were estimated. FINDINGS: By 2035, the transition to HPV screening will result in declines in cervical cancer incidence and mortality rates by 32% and 25%, respectively, compared to 2018. A potentially detectable 5% increase in cervical cancer incidence due to earlier detection is predicted for the year of transition. Annual numbers of women screened will fluctuate with the five-year screening interval. Cytology volumes will reduce by over 80% but colposcopy volumes will be similar to pre-transition rates, and program costs will be reduced by 16%. A 9% HPV test positivity rate is expected in the first round of HPV screening (2019-2023), with 2.7% of women referred for colposcopy. Transitioning from cytology to primary HPV cervical screening could avert 149 cancer cases and 45 deaths by 2035. CONCLUSION: Primary HPV screening and vaccination will reduce cervical cancer and resources use. A small transient apparent increase of invasive cancer rates due to earlier detection may be detectable at the population level, reflecting the introduction of a more sensitive screening test. These findings can be used to inform health services planning and public communications surrounding program implementation.


Asunto(s)
Infecciones por Papillomavirus/diagnóstico , Infecciones por Papillomavirus/prevención & control , Neoplasias del Cuello Uterino/diagnóstico , Neoplasias del Cuello Uterino/prevención & control , Adulto , Anciano , Detección Precoz del Cáncer/economía , Detección Precoz del Cáncer/métodos , Diagnóstico Precoz , Femenino , Recursos en Salud/economía , Recursos en Salud/estadística & datos numéricos , Humanos , Persona de Mediana Edad , Programas Nacionales de Salud , Nueva Zelanda/epidemiología , Infecciones por Papillomavirus/epidemiología , Vacunas contra Papillomavirus/administración & dosificación , Vacunas contra Papillomavirus/economía , Neoplasias del Cuello Uterino/epidemiología , Neoplasias del Cuello Uterino/virología , Adulto Joven
8.
Cancer Causes Control ; 29(12): 1221-1230, 2018 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-30535940

RESUMEN

PURPOSE: In 2015-2016, the Comprehensive Cancer Control National Partnership provided technical assistance workshops to support 22 cancer coalitions in increasing human papillomavirus (HPV) vaccination uptake and increasing colorectal cancer (CRC) screening in their local communities. As national efforts continue to invest in providing technical assistance, there is a current gap in understanding its use as a strategy to accelerate implementation of evidence-based interventions (EBIs) for cancer prevention. The objective of this study was to evaluate the impact of technical assistance on the participants' knowledge, attitudes, and skills for implementing EBIs in their local context and enhancing state team collaboration. METHODS: Data were collected August-November 2017 using web-based questionnaires from 44 HPV workshop participants and 66 CRC workshop participants. RESULTS: Both HPV vaccination and CRC screening workshop participants reported changes in knowledge, attitudes, and skills related to implementing EBIs in their local state context. Several participants reported increased abilities in communicating and coordinating with partners in their states and utilizing additional implementation strategies to increase HPV vaccination uptake and CRC screening rates. CONCLUSIONS: Findings from this study suggest that providing technical assistance to members of comprehensive cancer control coalitions is useful in promoting collaborations and building capacity for implementing EBIs for cancer prevention and control.


Asunto(s)
Neoplasias Colorrectales/diagnóstico , Vacunas contra Papillomavirus/administración & dosificación , Adulto , Anciano , Detección Precoz del Cáncer , Femenino , Humanos , Masculino , Persona de Mediana Edad , Encuestas y Cuestionarios
9.
Lancet Child Adolesc Health ; 2(10): 707-714, 2018 10.
Artículo en Inglés | MEDLINE | ID: mdl-30236379

RESUMEN

BACKGROUND: The population effectiveness of human papillomavirus (HPV) catch-up vaccination, defined in the USA as first vaccination at ages 13-26 years, has not been studied extensively. We aimed to assess the risk of cervical intraepithelial neoplasia (CIN) 2, CIN3, adenocarcinoma in situ, or cancer (CIN2+ and CIN3+) by prior HPV vaccination status, age at first dose, and number of doses in women participating in a screening programme within a large integrated health-care system. METHODS: We performed a nested case-control study of women enrolled in Kaiser Permanente Northern California (an integrated health-care delivery system in California, USA). Cases were women with CIN2+ or CIN3+ confirmed by histology between Jan 1, 1995, and June 30, 2014, and incidence density-selected controls were age-matched women without CIN2+ or CIN3+ at the time each case occurred. For each case, we randomly selected five controls. Cases and controls were aged 26 years or younger when the HPV quadrivalent vaccine became available in 2006. Rate ratios (RRs) from conditional logistic regression were estimated by age at time of first HPV quadrivalent vaccine dose (14-17 years, 18-20 years, and ≥21 years), and number of doses (one, two, and three or more doses) compared with no prior vaccination, with adjustment for smoking, hormonal contraceptive prescription, race or ethnicity, sexually transmitted infections, immunosuppression, parity, and number of outpatient visits. FINDINGS: 4357 incident CIN2+ cases and 21 773 matched controls were included in the study. Of these, 1849 were incident CIN3+ cases with 9242 matched controls. The youngest age at time of first vaccination was 14 years. One or more HPV vaccine doses conferred protection against CIN2+ (RR 0·82, 95% CI 0·73-0·93) and CIN3+ (0·77, 0·64-0·94). We found the strongest protection against CIN2+ in women who had received at least three vaccine doses and had received their first dose aged 14-17 years (0·52, 0·36-0·74) or aged 18-20 years (0·65, 0·49-0·88). No significant protection was found in women aged 21 years or older at time of first dose (0·94, 0·81-1·09). Inferences were similar for CIN3+, but with stronger effects for women who received at least three vaccine doses and had received their first dose aged 14-17 years (0·27, 0·13-0·56) or aged 18-20 years (0·59, 0·36-0·97). INTERPRETATION: Catch-up quadrivalent HPV vaccination with three doses was effective against CIN2+ and CIN3+ in girls and women aged 14-20 years at time of first vaccine dose but not for women aged 21 years and older at first dose. FUNDING: US National Cancer Institute.


Asunto(s)
Vacunas contra Papillomavirus/uso terapéutico , Neoplasias del Cuello Uterino/epidemiología , Adolescente , Adulto , Factores de Edad , Estudios de Casos y Controles , Femenino , Humanos , Esquemas de Inmunización , Infecciones por Papillomavirus/prevención & control , Vacunas contra Papillomavirus/administración & dosificación , Resultado del Tratamiento , Estados Unidos/epidemiología , Neoplasias del Cuello Uterino/prevención & control , Adulto Joven
10.
Public Health Rep ; 133(5): 543-550, 2018.
Artículo en Inglés | MEDLINE | ID: mdl-30091942

RESUMEN

In February 2018, recognizing the suboptimal rates of human papillomavirus (HPV) vaccination in the United States, the assistant secretary for health of the US Department of Health and Human Services charged the National Vaccine Advisory Committee (NVAC) with providing recommendations on how to strengthen the effectiveness of national, state, and local efforts to improve HPV vaccination coverage rates. In the same month, the NVAC established the HPV Vaccination Implementation Working Group and assigned it to develop these recommendations. The working group sought advice from federal and nonfederal partners. This NVAC report recommends ways to improve HPV vaccination coverage rates by focusing on 4 areas of activity: (1) identifying additional national partners, (2) guiding coalition building for states, (3) engaging integrated health care delivery networks, and (4) addressing provider needs in rural areas.


Asunto(s)
Comités Consultivos , Infecciones por Papillomavirus/prevención & control , Vacunas contra Papillomavirus/administración & dosificación , Cobertura de Vacunación/estadística & datos numéricos , Adolescente , Niño , Femenino , Humanos , Programas de Inmunización , Masculino , Estados Unidos
11.
Biomed Pharmacother ; 106: 1537-1556, 2018 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-30119229

RESUMEN

Despite the novel diagnostic methods and therapies implemented in oncology, the number of patients that succumb by the cancer remains high globally. Currently studies point out that 20-25% of all human malignancies are related to micro-organism infections. Among these cancer-related pathogens, the human papillomavirus (HPV) has a prominent position, since the virus is responsible for about 30% of all infectious agent-related cancers. Thus, an amount of cancers could be avoided by means prophylactic and/or therapeutic measures. However, these measures required a holistic comprehension about HPV-related cancer biology. Based on this, this review aims to summarize the last evidences of HPV on cancer biology (from initiation to metastasis), focus on molecular and biochemical deregulations associated with viral infection, and discuss the viral etiology in different malignancies.


Asunto(s)
Transformación Celular Viral , Neoplasias/virología , Papillomaviridae/patogenicidad , Infecciones por Papillomavirus/virología , Animales , Vacunas contra el Cáncer/administración & dosificación , Genotipo , Interacciones Huésped-Patógeno , Humanos , Mutación , Neoplasias/metabolismo , Neoplasias/patología , Neoplasias/prevención & control , Proteínas Oncogénicas Virales/metabolismo , Papillomaviridae/genética , Papillomaviridae/metabolismo , Infecciones por Papillomavirus/metabolismo , Infecciones por Papillomavirus/patología , Infecciones por Papillomavirus/prevención & control , Vacunas contra Papillomavirus/administración & dosificación , Fenotipo , Pronóstico , Factores de Riesgo
12.
Int J STD AIDS ; 29(11): 1106-1109, 2018 11.
Artículo en Inglés | MEDLINE | ID: mdl-29749878

RESUMEN

Following the Joint Committee on Vaccination and Immunisation statement in November 2015 advising a human papillomavirus (HPV) vaccination programme targeting men who have sex with men (MSM) up to the age of 45 attending Genitourinary medicine and HIV services, we launched a HPV vaccination programme for MSM to be delivered through our Integrated Sexual Reproductive Health drop-in service across Newport and the South East Wales Valleys from 1 August 2016. Over the first 18 months of the vaccination programme 539 of the 693 (77%) eligible MSM who attended clinics where the vaccine was available commenced vaccination. The vaccination programme appears to have fitted in well with our pre-existing sexual health service delivery model and appears popular with MSM attending the service. We completed the full vaccination course in 40% of MSM who commenced the vaccine with adequate time to complete the schedule within the time frame of the audit. The audit demonstrates that HPV vaccination delivery for MSM is feasible in an Integrated Sexual Reproductive Health service setting.


Asunto(s)
Prestación Integrada de Atención de Salud , Homosexualidad Masculina , Infecciones por Papillomavirus/prevención & control , Vacunas contra Papillomavirus/administración & dosificación , Servicios de Salud Reproductiva , Vacunación/estadística & datos numéricos , Adulto , Humanos , Masculino , Auditoría Médica , Infecciones por Papillomavirus/epidemiología , Aceptación de la Atención de Salud , Evaluación de Programas y Proyectos de Salud
13.
Arch Virol ; 163(3): 587-597, 2018 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-29149434

RESUMEN

To be effective, therapeutic cancer vaccines should stimulate both an effective cell-mediated and a robust cytotoxic CD8+ T-cell response against human papillomavirus (HPV)-infected cells to treat the pre-existing tumors and prevent potential future tumors. In this study, the therapeutic experiments were designed in order to evaluate antitumor effect against the syngeneic TC-1 tumor model. The anti-tumor efficacy of a HPV-16 E7 DNA vaccine adjuvanted with melatonin (MLT) was evaluated in a C57BL/6 mouse tumor model by measuring tumor growth post vaccination and the survival rate of tumor-bearing mice, analyzing the specific lymphocyte proliferation responses in control and vaccinated mice by MTT assay. The E7-specific cytotoxic T cells (CTL) were analyzed by lymphocyte proliferation and lactate dehydrogenates (LDH) release assays. IFN-γ, IL-4 and TNF-α secretion in splenocyte cultures as well as vascular endothelial growth factor (VEGF) and IL-10 in the tumor microenvironment were assayed by ELISA. Our results demonstrated that subcutaneous administration of C57BL/6 mice with a DNA vaccine adjuvanted with MLT dose-dependently and significantly induced strong HPV16 E7-specific CD8+ cytotoxicity and IFN-γ and TNF-α responses capable of reducing HPV-16 E7-expressing tumor volume. A significantly higher level of E7-specific T-cell proliferation was also found in the adjuvanted vaccine group. Furthermore, tumor growth was significantly inhibited when the DNA vaccine was combined with MLT and the survival time of TC-1 tumor bearing mice was also significantly prolonged. In vivo studies further demonstrated that MLT decreased the accumulation of IL-10 and VEGF in the tumor microenvironment of vaccinated mice. These data indicate that melatonin as an adjuvant augmented the cancer vaccine efficiency against HPV-associated tumors in a dose dependent manner.


Asunto(s)
Adyuvantes Inmunológicos/administración & dosificación , Vacunas contra el Cáncer/administración & dosificación , Papillomavirus Humano 16/efectos de los fármacos , Melatonina/administración & dosificación , Infecciones por Papillomavirus/prevención & control , Vacunas contra Papillomavirus/administración & dosificación , Vacunas de ADN/administración & dosificación , Factor A de Crecimiento Endotelial Vascular/antagonistas & inhibidores , Animales , Vacunas contra el Cáncer/genética , Vacunas contra el Cáncer/inmunología , Línea Celular Tumoral , Proliferación Celular/efectos de los fármacos , Células Epiteliales/efectos de los fármacos , Células Epiteliales/inmunología , Femenino , Regulación de la Expresión Génica , Papillomavirus Humano 16/genética , Papillomavirus Humano 16/inmunología , Interferón gamma/genética , Interferón gamma/inmunología , Interleucina-4/genética , Interleucina-4/inmunología , Activación de Linfocitos/efectos de los fármacos , Melatonina/inmunología , Ratones , Ratones Endogámicos C57BL , Proteínas E7 de Papillomavirus/genética , Proteínas E7 de Papillomavirus/inmunología , Infecciones por Papillomavirus/inmunología , Infecciones por Papillomavirus/mortalidad , Infecciones por Papillomavirus/virología , Vacunas contra Papillomavirus/genética , Vacunas contra Papillomavirus/inmunología , Plásmidos/administración & dosificación , Plásmidos/química , Plásmidos/inmunología , Análisis de Supervivencia , Linfocitos T Citotóxicos/efectos de los fármacos , Linfocitos T Citotóxicos/inmunología , Carga Tumoral , Factor de Necrosis Tumoral alfa/genética , Factor de Necrosis Tumoral alfa/inmunología , Vacunación , Vacunas de ADN/genética , Vacunas de ADN/inmunología , Factor A de Crecimiento Endotelial Vascular/genética , Factor A de Crecimiento Endotelial Vascular/inmunología
14.
Vaccine ; 35(47): 6459-6467, 2017 11 07.
Artículo en Inglés | MEDLINE | ID: mdl-29029939

RESUMEN

The development of cervical cancer is mainly caused by infection with high risk genotypes of human papillomavirus, particularly type 16 (HPV16), which accounts for more than 50% of cervical cancer. The two early viral oncogenes, E6 and E7, are continuously expressed in cervical cancer cells and are necessary to maintain the malignant cellular phenotype, thus providing ideal targets for immunotherapy of cervical cancer. In this study, a novel vaccine strategy was developed based on a rationally shuffled HPV16 E6/E7 fusion protein, the addition of Fms-like tyrosine kinase-3 ligand (Flt3L) or the N domain of calreticulin (NCRT), and the usage of a CpG adjuvant. Four recombinant proteins were constructed: m16E6E7 (mutant E6/E7 fusion protein), rm16E6E7 (rearranged mutant HPV16 E6/E7 fusion protein), Flt3L-RM16 (Flt3L fused to rm16E6E7), and NCRT-RM16 (NCRT fused to rm16E6E7). Our results suggest that Flt3L-RM16 was the most potent of these proteins in terms of inducing E6- and E7-specific CD8+ T cell responses. Additionally, Flt3L-RM16 significantly induced regression of established E6/E7-expressing TC-1 tumors. Higher doses of Flt3L-RM16 trended toward higher levels of antitumor activity, but these differences did not reach statistical significance. In summary, this study found that Flt3L-RM16 fusion protein is a promising therapeutic vaccine for immunotherapy of HPV16-associated cervical cancer.


Asunto(s)
Adyuvantes Inmunológicos/administración & dosificación , Linfocitos T CD8-positivos/inmunología , Proteínas de la Membrana/administración & dosificación , Proteínas Oncogénicas Virales/inmunología , Proteínas E7 de Papillomavirus/inmunología , Infecciones por Papillomavirus/terapia , Vacunas contra Papillomavirus/inmunología , Proteínas Represoras/inmunología , Animales , Calreticulina/administración & dosificación , Femenino , Ratones Endogámicos C57BL , Oligodesoxirribonucleótidos/administración & dosificación , Proteínas Oncogénicas Virales/genética , Proteínas E7 de Papillomavirus/genética , Vacunas contra Papillomavirus/administración & dosificación , Vacunas contra Papillomavirus/genética , Proteínas Recombinantes de Fusión/genética , Proteínas Recombinantes de Fusión/inmunología , Proteínas Represoras/genética , Resultado del Tratamiento , Vacunas Sintéticas/administración & dosificación , Vacunas Sintéticas/genética , Vacunas Sintéticas/inmunología
15.
LGBT Health ; 4(5): 315-319, 2017 10.
Artículo en Inglés | MEDLINE | ID: mdl-28876211

RESUMEN

Researchers and healthcare surveillance systems must clearly disaggregate data for transgender men and women from data for cisgender men and women to identify population-level health disparities and give every person an opportunity for cancer prevention. The limited human papillomavirus (HPV) vaccine recommendations for transgender men and women may be due to the scant literature on cancer prevalence coupled with poor understanding of HPV risks for these populations. Comprehensive cancer screening and prevention initiatives centered on relevant anatomy and sexual risk behaviors that are inclusive of transgender men and women are needed. Moreover, we need specific research to understand the impact of HPV and associated cancers on both transgender men's and women's lives.


Asunto(s)
Detección Precoz del Cáncer , Neoplasias de los Genitales Masculinos/prevención & control , Disparidades en Atención de Salud , Infecciones por Papillomavirus/prevención & control , Personas Transgénero , Neoplasias del Cuello Uterino/prevención & control , Neoplasias del Ano , Femenino , Salud Global , Humanos , Masculino , Infecciones por Papillomavirus/complicaciones , Vacunas contra Papillomavirus/administración & dosificación , Factores de Riesgo
16.
MMWR Morb Mortal Wkly Rep ; 66(33): 874-882, 2017 Aug 25.
Artículo en Inglés | MEDLINE | ID: mdl-28837546

RESUMEN

The Advisory Committee on Immunization Practices (ACIP) recommends that adolescents routinely receive tetanus, diphtheria, and acellular pertussis vaccine (Tdap), meningococcal conjugate vaccine (MenACWY), and human papillomavirus (HPV) vaccine (1) at age 11-12 years. ACIP also recommends catch-up vaccination with hepatitis B vaccine, measles, mumps, and rubella (MMR) vaccine, and varicella vaccine for adolescents who are not up to date with childhood vaccinations. ACIP recommends a booster dose of MenACWY at age 16 years (1). In December 2016, ACIP updated HPV vaccine recommendations to include a 2-dose schedule for immunocompetent adolescents initiating the vaccination series before their 15th birthday (2). To estimate adolescent vaccination coverage in the United States, CDC analyzed data from the 2016 National Immunization Survey-Teen (NIS-Teen) for 20,475 adolescents aged 13-17 years.* During 2015-2016, coverage increased for ≥1 dose of Tdap (from 86.4% to 88.0%) and for each HPV vaccine dose (from 56.1% to 60.4% for ≥1 dose). Among adolescents aged 17 years, coverage with ≥2 doses of MenACWY increased from 33.3% to 39.1%. In 2016, 43.4% of adolescents (49.5% of females; 37.5% of males) were up to date with the HPV vaccination series, applying the updated HPV vaccine recommendations retrospectively.† Coverage with ≥1 HPV vaccine dose varied by metropolitan statistical area (MSA) status and was lowest (50.4%) among adolescents living in non-MSA areas and highest (65.9%) among those living in MSA central cities.§ Adolescent vaccination coverage continues to improve overall; however, substantial opportunities exist to further increase HPV-associated cancer prevention.


Asunto(s)
Vacunación/estadística & datos numéricos , Vacunas/administración & dosificación , Adolescente , Comités Consultivos , Vacuna contra la Varicela/administración & dosificación , Vacunas contra Difteria, Tétanos y Tos Ferina Acelular/administración & dosificación , Femenino , Vacunas contra Hepatitis B/administración & dosificación , Humanos , Esquemas de Inmunización , Masculino , Vacuna contra el Sarampión-Parotiditis-Rubéola/administración & dosificación , Vacunas Meningococicas/administración & dosificación , Programas Nacionales de Salud , Vacunas contra Papillomavirus/administración & dosificación , Guías de Práctica Clínica como Asunto , Estados Unidos , Vacunas Conjugadas/administración & dosificación
17.
Toxicol In Vitro ; 43: 58-61, 2017 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-28599844

RESUMEN

Vaccines against human papilloma virus (HPV) have been demonstrated to be very effective to prevent infection-related neoplasms. However, several reports describing heterogeneous post-vaccination phenomena have been published in last few years. The spectrum of these disorders includes both immune-mediated neurological diseases and neuropsychiatric functional disorders. Some researchers speculated about a genetic predisposition, but others hypothesized a role of adjuvants, including some metals and, particularly, aluminum. Here, we tested sixteen young girls developing somatoform and neurocognitive syndromes after the HPV immunization, through MELISA® test, detecting cell-mediated hypersensitivity to several metals. We found no association between these neurocognitive disorders and the results provided by this test; importantly, no patients showed hypersensitivity to aluminum, which is the inorganic adjuvant included in HPV vaccines. Thus, if aluminum played a role in the pathophysiology of musculoskeletal and neurocognitive disturbances occurring in some young girls after HPV immunization, that should recognize other mechanisms than the activation of aluminum-specific lymphocytes.


Asunto(s)
Adyuvantes Inmunológicos/administración & dosificación , Hidróxido de Aluminio/administración & dosificación , Hipersensibilidad/etiología , Vacunas contra Papillomavirus/efectos adversos , Fosfatos/administración & dosificación , Adolescente , Adulto , Niño , Femenino , Humanos , Hipersensibilidad/sangre , Hipersensibilidad/inmunología , Linfocitos/inmunología , Metales/administración & dosificación , Metales/efectos adversos , Trastornos Neurocognitivos/sangre , Trastornos Neurocognitivos/etiología , Trastornos Neurocognitivos/inmunología , Vacunas contra Papillomavirus/administración & dosificación , Trastornos Somatomorfos/sangre , Trastornos Somatomorfos/etiología , Trastornos Somatomorfos/inmunología , Adulto Joven
18.
J Adolesc Health ; 61(2): 252-258, 2017 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-28462786

RESUMEN

PURPOSE: Acceptance and coverage of the human papillomavirus (HPV) vaccine in the United States has been suboptimal. We implemented a multifaceted provider and staff intervention over a 1-year period to promote HPV vaccination in a regional health care system. METHODS: The intervention was conducted in nine clinical departments from February 2015 to March 2016; 34 other departments served as controls. The intervention included in-person provider and staff education, quarterly feedback of vaccine coverage, and system-wide changes to patient reminder and recall notifications. Change in first-dose HPV vaccine coverage and series completion were estimated among 11- to 12-year-olds using generalized estimating equations adjusted for age and sex. RESULTS: HPV vaccine coverage in the intervention departments increased from 41% to 59%, and the increase was significantly greater than that seen in the control departments (32%-45%, p = .0002). The largest increase occurred in the quarter after completion of the provider and staff education and a patient reminder and recall postcard mailing (p = .004). Series completion also increased significantly system wide among adolescents aged 11-12 years following mailing of HPV vaccine reminder letters to parents of adolescents aged 12 years rather than 16 years. CONCLUSIONS: HPV vaccine uptake can be improved through a multifaceted approach that includes provider and staff education and patient reminder/recall. System-level change to optimize reminder and recall notices can have substantial impact on HPV vaccine utilization.


Asunto(s)
Prestación Integrada de Atención de Salud/métodos , Personal de Salud/educación , Infecciones por Papillomavirus/prevención & control , Vacunas contra Papillomavirus/administración & dosificación , Niño , Femenino , Humanos , Masculino , Padres , Sistemas Recordatorios , Estados Unidos , Vacunación/estadística & datos numéricos
19.
Isr Med Assoc J ; 19(2): 79-84, 2017 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-28457055

RESUMEN

BACKGROUND: Cannabidiol (CBD)-based treatments for several diseases, including Tourette's syndrome, multiple sclerosis, epilepsy, movement disorders and glaucoma, are proving to be beneficial and the scientific clinical background of the drug is continuously evolving. OBJECTIVES: To investigate the short-term effect of CBD-enriched hemp oil for relieving symptoms and improving the life quality (QOL) in young girls with adverse drug effects (ADRs) following human papillomavirus (HPV) vaccine. METHODS: In this anecdotal, retrospective, "compassionate-use", observational, open-label study, 12 females (age 12-24 years) with severe somatoform and dysautonomic syndrome following HPV vaccination were given sublingual CBD-rich hemp oil drops, 25 mg/kg per day supplemented by 2-5 mg/ml CBD once a week until a maximum dose of 150 mg/ml CBD per day was reached over a 3 month period. Patients' quality of life was evaluated using the medical outcome short-form health survey questionnaire (SF-36). RESULTS: Two patients dropped out due to iatrogenic adverse events and another two patients stopped the treatment early due to lack of any improvement. SF-36 showed significant benefits in the physical component score (P < 0.02), vitality (P < 0.03) and social role functioning (P < 0.02) after the treatment. The administration of hemp oil also significantly reduced body pain according to the SF-36 assessment. No significant differences from the start of treatment to several months post-treatment were detected in role limitations due to emotional reactions (P = 0.02). CONCLUSIONS: This study demonstrated the safety and tolerability of CBD-rich hemp oil and the primary efficacy endpoint. Randomized controlled trials are warranted to characterize the safety profile and efficacy of this compound.


Asunto(s)
Cannabidiol/administración & dosificación , Vacunas contra Papillomavirus/efectos adversos , Disautonomías Primarias , Calidad de Vida , Trastornos Somatomorfos , Administración Sublingual , Adolescente , Sistema Nervioso Autónomo , Cannabidiol/efectos adversos , Agonistas de Receptores de Cannabinoides/administración & dosificación , Agonistas de Receptores de Cannabinoides/efectos adversos , Cannabis , Relación Dosis-Respuesta a Droga , Esquema de Medicación , Monitoreo de Drogas , Femenino , Humanos , Italia , Vacunas contra Papillomavirus/administración & dosificación , Aceites de Plantas/administración & dosificación , Disautonomías Primarias/diagnóstico , Disautonomías Primarias/etiología , Disautonomías Primarias/psicología , Disautonomías Primarias/terapia , Estudios Retrospectivos , Trastornos Somatomorfos/diagnóstico , Trastornos Somatomorfos/etiología , Trastornos Somatomorfos/psicología , Trastornos Somatomorfos/terapia , Resultado del Tratamiento , Adulto Joven
20.
Postepy Hig Med Dosw (Online) ; 71(0): 92-97, 2017 Feb 14.
Artículo en Inglés | MEDLINE | ID: mdl-28258669

RESUMEN

INTRODUCTION: Secondary prophylaxis of cervical cancer consisting in cytology screening tests, despite its effectiveness, does not achieve the desired results. For several years, primary prophylaxis has been available in the form of protective vaccinations. At present, two vaccine preparations are available on the market, and studies conducted on these preparations confirm their almost 100% effectiveness in the prevention of types of HPV present in the vaccine. OBJECTIVE: Analysis of the programmes of protective vaccinations against HPV carried out during the period 2008-2013 in the Lublin Region. MATERIAL/METHODS: The material used in the study was data obtained from the relevant organs of the territorial self-government concerning programmes of vaccinations against HPV, demographic data pertaining to girls aged 10-18 living in the Lublin Region, as well as data published by the National Institute of Public Health - National Institute of Hygiene (NIZP-PZH). The method applied in the study was analysis of records. RESULTS: During the period 2008-2013, in the Lublin Region a total of 5,496 girls were vaccinated within the health programmes. The mean immunization coverage in Lublin is 50%, and in Radzyn Podlaski 59%. The percentage contribution of vaccinations guaranteed free by the local authorities, with relation to the total number of vaccinations performed in the Lublin Region, was from 60 to 77%. The units of territorial self-government allocated the amount of PLN 5,125,359 for the performance of projects associated with execution of free vaccinations. DISCUSSION: Among the total number of girls vaccinated against HPV, a considerable percentage were those vaccinated within the prophylactic programmes carried out by the units of territorial self-government. The programmes of free protective vaccinations against HPV began in 4 cities in the Lublin Region, and are continued only in two (Lublin and Radzyn Podlaski). Long-term observation of girls subjected to vaccinations from the aspect of maintenance of the immune response after vaccination should become an important element of performance of health programmes concerning vaccinations against HPV. CONCLUSIONS: Among the total number of girls vaccinated against HPV, those vaccinated within prophylactic programmes carried out by territorial self-government units made up a considerable percentage. Programmes of free preventive vaccinations against HPV began in 4 cities in the Lublin Region, but are continued in only 2. Long-term observation of girls subjected to vaccinations from the aspect of duration of maintaining immunity after vaccination should become an important element of the performance of health programmes concerning vaccinations against HPV.


Asunto(s)
Infecciones por Papillomavirus/prevención & control , Vacunas contra Papillomavirus/administración & dosificación , Vacunación/estadística & datos numéricos , Adolescente , Femenino , Humanos , Programas Nacionales de Salud/organización & administración , Polonia , Neoplasias del Cuello Uterino/prevención & control
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