Your browser doesn't support javascript.
loading
Show: 20 | 50 | 100
Results 1 - 20 de 40
Filter
1.
Sex Transm Dis ; 50(3): 138-143, 2023 03 01.
Article in English | MEDLINE | ID: mdl-36729630

ABSTRACT

BACKGROUND: The 2021 Centers for Disease Control and Prevention sexually transmitted infection treatment guidelines recommend extragenital testing for gonorrhea and chlamydia in men who have sex with men and for women based on reported behaviors and exposures. The "IWantTheKit (IWTK)" program is a free online platform for specimen self-collection and mail-in for combined chlamydia/gonorrhea testing. We sought to assess the additional diagnostic value of extragenital testing compared with genital testing only for chlamydia/gonorrhea and determine factors associated with a positive extragenital test result among IWTK users. METHODS: From August 2013 to January 2022, 7612 unique IWTK users returned swabs for testing; 3407 (45%) users requested both genital and extragenital tests and were included in this analysis. Descriptive statistics were summarized for demographic characteristics, reported behaviors, and genital and extragenital test results, and data were stratified by gender and age group. A logistic regression model was used to estimate associations between factors and extragenital sexually transmitted infection positivity. RESULTS: Chlamydia positivity rates were 4.7%, 2.4%, and 1.5% at genital, extragenital, and both sites, respectively; for gonorrhea, 0.4%, 1.1%, and 0.4% were positive at those sites, respectively. Among women, age 25 years and younger was significantly associated with extragenital chlamydia (odds ratio [OR], 4.0; P = 0.010). Being in high-risk quiz score group was associated with extragenital chlamydia (OR, 2.6; P = 0.005) and extragenital gonorrhea in men and women (OR, 8.5; P = 0.005). CONCLUSIONS: Extragenital testing detected additional chlamydia and gonorrhea cases in the IWTK user population that would have been missed by genital-only testing, especially for women younger than 25 years and people reported to be at high risk.


Subject(s)
Chlamydia Infections , Chlamydia , Gonorrhea , Sexual and Gender Minorities , Sexually Transmitted Diseases , Male , Humans , Female , Adult , Gonorrhea/diagnosis , Gonorrhea/epidemiology , Gonorrhea/prevention & control , Homosexuality, Male , Chlamydia Infections/diagnosis , Chlamydia Infections/epidemiology , Chlamydia Infections/prevention & control , Sexually Transmitted Diseases/diagnosis , Sexually Transmitted Diseases/epidemiology , Sexually Transmitted Diseases/prevention & control , Chlamydia trachomatis
2.
Am J Public Health ; 112(7): 985-989, 2022 07.
Article in English | MEDLINE | ID: mdl-35617664

ABSTRACT

The Baltimore City Health Department (Baltimore, MD) promoted IWantTheKit for chlamydia, gonorrhea, and HIV testing to city residents and clinic patients when COVID-19 restricted in-person clinic services. From April to October 2020, monthly online IWantTheKit orders increased by 645%. A high prevalence of chlamydia and gonorrhea was detected, and 96% of users who tested positive for chlamydia and gonorrhea were successfully contacted for treatment. Uptake by Baltimore City Health Department priority populations and excellent treatment linkage demonstrated how a public health-academic partnership successfully addressed a service gap during the pandemic. (Am J Public Health. 2022;112(7):985-989. https://doi.org/10.2105/AJPH.2022.306835).


Subject(s)
COVID-19 , Chlamydia Infections , Chlamydia , Gonorrhea , HIV Infections , COVID-19/diagnosis , COVID-19/epidemiology , Chlamydia Infections/diagnosis , Chlamydia Infections/epidemiology , Gonorrhea/diagnosis , Gonorrhea/epidemiology , HIV Infections/diagnosis , HIV Infections/epidemiology , Humans
3.
Am J Hosp Palliat Care ; 39(9): 1090-1097, 2022 Sep.
Article in English | MEDLINE | ID: mdl-34951820

ABSTRACT

OBJECTIVE: To examine women's journeys with gynecologic cancer from before diagnosis through death and identify elements of their healthcare experience that warrant improvement. METHODS: This exploratory study used longitudinal progress notes data from a multispecialty practice in Northern California. The sample included women with stage IV gynecological cancer diagnosed after 2011 and who died before 2018. Available progress notes from prior to diagnosis to death were qualitatively analyzed. RESULTS: We identified 32 women, (median age 61 years) with mostly uterine (n=17) and ovarian (n=9) cancers and median survival of 9.2 months (min:2.9 and max:47.5). Sixteen (50%) received outpatient palliative care and 18 (56%) received hospice care. The analysis found wide variation in documentation about communication about diagnosis, prognosis, goals of care, stopping treatment, and starting hospice care. Challenges included escalating/severe symptoms, repeated urgent care/emergency department/hospital encounters, and lack of or late access to palliative and hospice care. Notes also illustrated how patient background and goals influenced care trajectory and communication. Documentation styles varied substantially, with palliative care notes more consistently documenting conversations about goals of care and psychosocial needs. CONCLUSION: This analysis of longitudinal illness experience of women with advanced gynecological cancer suggests that clinicians may want to (1) prioritize earlier discussion about goals of care; (2) provide supplemental support to patients with higher needs, possibly through palliative care or navigation; and (3) write notes to enhance patient understanding now that patients may access all notes.


Subject(s)
Genital Neoplasms, Female , Hospice Care , Hospice and Palliative Care Nursing , Delivery of Health Care , Female , Genital Neoplasms, Female/diagnosis , Genital Neoplasms, Female/therapy , Humans , Middle Aged , Palliative Care/psychology
4.
Sex Transm Dis ; 45(11): 723-727, 2018 11.
Article in English | MEDLINE | ID: mdl-29771869

ABSTRACT

PURPOSE: This study compared performance of the Atlas io polymerase chain reaction-based, point-of-care (POC) assay for Chlamydia trachomatis (CT), to Aptima Combo 2, a standard of care nucleic acid amplification assay, and evaluated patient attitudes toward POC testing. METHODS: Women 14 years or older undergoing CT screening/testing were recruited from Teen Health Center and a sexually transmitted disease clinic. Participants provided self-obtained vaginal swabs for testing with the Atlas io and Aptima Combo 2, and completed questionnaires assessing attitudes toward POC testing. RESULTS: Of 296 women recruited, 284 (192 from sexually transmitted disease clinic, 92 from Teen Health Center) had Aptima Combo 2 and Atlas io results available; 273 completed the questionnaire. Average age was 27.4 years (SD, 10.8 years). Sensitivity and specificity of the Atlas io test were 83.9% (26/31 specimens; 95% confidence interval [CI], 70.9-96.8%) and 98.8% (250/253 specimens; 95% CI, 97.5-100%), respectively. When specimens with discrepant results were included in the analyses, adjudicated sensitivity and specificity were 92.9% (26/28 specimens; 95% CI, 83.3 to 100%) and 98.8% (253/256 specimens; 95% CI, 97.5 to 100%), respectively.A majority (70%) of women preferred to collect vaginal self-swab if a POC test were available. Most (61%) were willing to wait up to 20 minutes, and 26% were willing to wait up to 40 minutes for results, if they could be treated before leaving clinic. CONCLUSIONS: A POC polymerase chain reaction test detecting CT had high sensitivity and specificity when testing prospective, vaginal swab samples. Availability of CT results during patients' visits may decrease time to treatment.


Subject(s)
Attitude to Health , Chlamydia Infections/diagnosis , Chlamydia trachomatis/isolation & purification , Nucleic Acid Amplification Techniques , Point-of-Care Testing , Adolescent , Adult , Chlamydia trachomatis/genetics , Female , Gonorrhea/diagnosis , Humans , Polymerase Chain Reaction , Prospective Studies , Reagent Kits, Diagnostic , Sensitivity and Specificity , Specimen Handling , United States , Vagina/microbiology , Young Adult
5.
Int J Radiat Oncol Biol Phys ; 100(2): 498-506, 2018 02 01.
Article in English | MEDLINE | ID: mdl-29153331

ABSTRACT

PURPOSE: To determine the effect of treatment changes over time on all-cause mortality risk in patients with early-stage Hodgkin lymphoma (HL) after radiation therapy. The long-term survivorship of those with HL necessitates quantification of the late risk of mortality from HL and other causes. METHODS AND MATERIALS: An institutional review board-approved retrospective study was conducted using a multi-institutional database of 1541 stage I and II HL patients treated from 1968 to 2007 with radiation therapy alone or combined-modality treatment. The analytic methods included cumulative incidence function, Kaplan-Meier estimates and log-rank tests for overall survival (OS) differences, and Cox proportional hazards modeling. RESULTS: The median age at diagnosis was 27 years. At a median follow-up of 15.2 years (35% of patients with >20 years of follow-up), 395 patients had died of all causes, including 85 HL, 168 second malignancy (25 hematologic and 143 nonhematologic), 70 cardiovascular, and 21 pulmonary deaths. The cumulative incidence of non-HL mortality had surpassed HL mortality at 8.3 years. For patients treated from 1968 to 1982, 1983 to 1992, and 1993 to 2007, the 15-year OS rates were 78%, 85%, and 88%, respectively (P=.0016). On Cox proportional hazards analysis, age, B symptoms, and number of disease sites were significantly associated with all-cause mortality in the first decade of follow-up, with a trend toward significance for radiation field extent. CONCLUSIONS: The all-cause mortality risk was significantly lower for patients treated in the most recent era during the first decade of follow-up, likely due to improved HL therapy resulting in a higher cure rate and lower treatment-related toxicity from smaller radiation fields. Current efforts toward radiation treatment reduction might further reduce the long-term mortality risk for these patients.


Subject(s)
Hodgkin Disease/radiotherapy , Adult , Aged , Cause of Death , Chemoradiotherapy , Female , Hodgkin Disease/drug therapy , Hodgkin Disease/mortality , Hodgkin Disease/pathology , Humans , Male , Middle Aged , Neoplasm Staging , Retrospective Studies
6.
Diagn Microbiol Infect Dis ; 90(2): 83-84, 2018 Feb.
Article in English | MEDLINE | ID: mdl-29174733

ABSTRACT

Self-collected rectal-swabs were tested for CT and NG on GeneXpert CT/NG as compared to APTIMA Combo2. Of 448 rectal-swabs, 22 were positive for CT; 7 for NG on both assays; two were discordant. Sensitivity and specificity of GeneXpert was 95.5% and 99.7% for chlamydia, respectively; for gonorrhea both were 100%.


Subject(s)
Chlamydia Infections/diagnosis , Chlamydia trachomatis/genetics , Gonorrhea/diagnosis , Molecular Typing/methods , Neisseria gonorrhoeae/genetics , Nucleic Acid Amplification Techniques/methods , Chlamydia Infections/microbiology , Female , Gonorrhea/microbiology , Humans , Male , Rectum/microbiology , Sensitivity and Specificity
7.
Clin Case Rep ; 4(4): 409-11, 2016 Apr.
Article in English | MEDLINE | ID: mdl-27099740

ABSTRACT

Although use of electronic nicotine delivery system devices, such as e-cigarettes and vapor pens, is on the rise, no treatment protocols exist to help such users quit. We report the case of a 24-year-old patient in a tobacco treatment program who successfully quit e-cigarette use by using nicotine replacement therapy.

8.
Int J Radiat Oncol Biol Phys ; 88(3): 636-41, 2014 Mar 01.
Article in English | MEDLINE | ID: mdl-24521679

ABSTRACT

PURPOSE: To quantify the incidence of thyroid cancer after Hodgkin lymphoma (HL) and determine disease characteristics, risk factors, and treatment outcomes. METHODS AND MATERIALS: Thyroid cancer cases were retrospectively identified from a multi-institutional database of 1981 HL patients treated between 1969 and 2008. Thyroid cancer risk factors were evaluated by a Poisson regression model. RESULTS: With a median follow-up duration of 14.3 years (range, 0-41.2 years), 28 patients (1.4%) developed a thyroid malignancy. The overall incidence rate (expressed as the number of cases per 10,000 person-years) and 10-year cumulative incidence of thyroid cancer were 9.6 and 0.26%, respectively. There were no observed cases of thyroid malignancy in patients who received neck irradiation for HL after age 35 years. Age <20 years at HL diagnosis and female sex were significantly associated with thyroid cancer. The incidence rates of females aged <20 at HL diagnosis in the first 10 years, ≥10 years, ≥15 years, and ≥20 years after treatment were 5, 31, 61, and 75 cases per 10,000 person-years of follow-up, respectively. At a median follow-up of 3.5 years after the thyroid cancer diagnosis, 26 patients (93%) were alive without disease, 1 (4%) was alive with metastatic disease, and 1 (4%) died of metastatic disease, at 6 and 3.6 years after the thyroid cancer diagnosis, respectively. CONCLUSIONS: Although HL survivors have an increased risk for thyroid cancer, the overall incidence is low. Routine thyroid cancer screening may benefit females treated at a young age and ≥10 years from HL treatment owing to their higher risk, which increases over time.


Subject(s)
Hodgkin Disease/therapy , Neoplasms, Second Primary/epidemiology , Survivors/statistics & numerical data , Thyroid Neoplasms/epidemiology , Adolescent , Adult , Age Factors , Aged , Aged, 80 and over , Antineoplastic Combined Chemotherapy Protocols/administration & dosage , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Bleomycin/therapeutic use , Child , Child, Preschool , Dacarbazine/therapeutic use , Databases, Factual , Deoxycytidine/administration & dosage , Deoxycytidine/analogs & derivatives , Doxorubicin/therapeutic use , Female , Hodgkin Disease/pathology , Humans , Male , Mechlorethamine/administration & dosage , Middle Aged , Neoplasms, Second Primary/pathology , Neoplasms, Second Primary/therapy , Poisson Distribution , Prednisone/administration & dosage , Procarbazine/administration & dosage , Radiotherapy Dosage , Retrospective Studies , Risk Assessment , Risk Factors , Sex Factors , Thyroid Neoplasms/pathology , Thyroid Neoplasms/therapy , Vinblastine/therapeutic use , Vincristine/administration & dosage , Young Adult , Gemcitabine
9.
Breast Cancer Res Treat ; 143(2): 343-50, 2014 Jan.
Article in English | MEDLINE | ID: mdl-24346130

ABSTRACT

Whether wide excision with margins ≥1 cm is sufficient treatment for small low- or intermediate-grade ductal carcinoma in situ (DCIS) is unclear. This is an updated analysis of a phase II, single-arm, prospective trial testing this hypothesis. A total of 158 patients with low- or intermediate-grade DCIS who underwent wide excision alone (without radiation or tamoxifen) were entered onto the trial from 1995 to 2002. Entry criteria included mammographic extent ≤2.5 cm, predominantly low or intermediate nuclear grade, and excision with final microscopic margins ≥1 cm. Eight-year minimum potential follow-up was required for inclusion in the analysis; the final population comprised 143 patients. Cumulative incidence curves were generated to assess rates of local recurrence (LR) or other events. Median follow-up time was 11 years. Nineteen patients (13 %) had LR as a first event within 8 years. Thirteen LR (68 %) were DCIS only and six (32 %) were invasive. Fourteen (74 %) occurred in the original quadrant. The 10-year estimated cumulative incidence of LR was 15.6 %. The estimated annual percentage rate of LR was 1.9 % per patient-year. With longer follow-up, there remains a substantial and ongoing risk of LR in patients with favorable DCIS treated with wide excision margins without radiation. This information should be useful as patients and clinicians weigh the options of wide excision with and without radiation.


Subject(s)
Breast Neoplasms/surgery , Carcinoma, Intraductal, Noninfiltrating/surgery , Mastectomy/methods , Adult , Aged , Aged, 80 and over , Breast Neoplasms/epidemiology , Carcinoma, Intraductal, Noninfiltrating/epidemiology , Female , Follow-Up Studies , Humans , Middle Aged , Neoplasm Recurrence, Local/epidemiology , Neoplasm Recurrence, Local/prevention & control , Prospective Studies , Treatment Outcome
10.
J Clin Oncol ; 31(18): 2282-8, 2013 Jun 20.
Article in English | MEDLINE | ID: mdl-23610104

ABSTRACT

PURPOSE: Current guidelines recommend breast magnetic resonance imaging (MRI) as an adjunct to mammography for breast cancer screening in female cancer survivors treated with chest irradiation at a young age, beginning 8 to 10 years after treatment. Prospective data evaluating its efficacy in female cancer survivors are lacking. This study sought to compare the sensitivity and specificity of breast MRI with those of mammography in women who received chest irradiation for Hodgkin lymphoma (HL). PATIENTS AND METHODS: We enrolled 148 women treated with chest irradiation for HL at age ≤ 35 years who were > 8 years beyond treatment. Yearly breast MRI and mammogram were performed over a 3-year period. Sensitivity and specificity of the two screening modalities were compared. RESULTS: With the screening, 63 biopsies were performed in 45 women; 18 (29%) showed a malignancy. All but one of the screen-detected malignancies were preinvasive or subcentimeter node-negative breast cancers. After excluding first-screen MRI and mammogram, mammogram sensitivity was 68% as compared with 67% for MRI (P = 1.0). Sensitivity increased to 94% using both screening modalities. The specificities of mammogram alone, MRI alone, and both were 93%, 94%, and 90%, respectively. CONCLUSION: In contrast to women with genetic or familial risk, in HL survivors breast MRI was not more sensitive than mammogram for breast cancer detection. However, the two screening modalities complement each other in the detection of early cases of disease. Early diagnosis is particularly important in these patients, given the breast cancer treatment challenges in patients who have received prior cancer therapy.


Subject(s)
Breast Neoplasms/diagnosis , Hodgkin Disease/radiotherapy , Magnetic Resonance Imaging/methods , Mammography/methods , Neoplasms, Radiation-Induced/diagnosis , Survivors/statistics & numerical data , Adolescent , Adult , Breast/pathology , Breast/radiation effects , Breast Neoplasms/etiology , Child , Early Detection of Cancer/methods , Female , Humans , Prospective Studies , Radiotherapy/adverse effects , Reproducibility of Results , Risk Factors , Sensitivity and Specificity , Time Factors , Young Adult
11.
Int J Radiat Oncol Biol Phys ; 86(1): 121-7, 2013 May 01.
Article in English | MEDLINE | ID: mdl-23414765

ABSTRACT

PURPOSE: To investigate clinical and pathologic factors significant in predicting local response and time to further treatment after low-dose involved-field radiation therapy (LD-IFRT) for non-Hodgkin lymphoma (NHL). METHODS AND MATERIALS: Records of NHL patients treated at a single institution between April 2004 and September 2011 were retrospectively reviewed. Low-dose involved-field radiation therapy was given as 4 Gy in 2 fractions over 2 consecutive days. Treatment response and disease control were determined by radiographic studies and/or physical examination. A generalized estimating equation model was used to assess the effect of tumor and patient characteristics on disease response. A Cox proportional hazards regression model was used to assess time to further treatment. RESULTS: We treated a total of 187 sites in 127 patients with LD-IFRT. Histologies included 66% follicular, 9% chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma, 10% marginal zone, 6% mantle cell lymphoma (MCL), and 8% other. Median follow-up time was 23.4 months (range, 0.03-92.2 months). The complete response, partial response, and overall response rates were 57%, 25%, and 82%, respectively. A CLL histology was associated with a lower response rate (odds ratio 0.2, 95% confidence interval 0.1-0.5, P=.02). Tumor size, site, age at diagnosis, and prior systemic therapy were not associated with response. The median time to first recurrence was 13.6 months. Those with CLL and age ≤ 50 years at diagnosis had a shorter time to further treatment for local failures (hazard ratio [HR] 3.63, P=.01 and HR 5.50, P=.02, respectively). Those with CLL and MCL had a shorter time to further treatment for distant failures (HR 11.1 and 16.3, respectively, P<.0001). CONCLUSIONS: High local response rates were achieved with LD-IFRT across most histologies. Chronic lymphocytic leukemia and MCL histologies and age ≤ 50 years at diagnosis had a shorter time to further treatment after LD-IFRT.


Subject(s)
Lymphoma, Non-Hodgkin/radiotherapy , Adult , Age Factors , Aged , Aged, 80 and over , Female , Humans , Leukemia, Lymphocytic, Chronic, B-Cell/diagnostic imaging , Leukemia, Lymphocytic, Chronic, B-Cell/pathology , Leukemia, Lymphocytic, Chronic, B-Cell/radiotherapy , Lymphoma, Follicular/diagnostic imaging , Lymphoma, Follicular/pathology , Lymphoma, Follicular/radiotherapy , Lymphoma, Mantle-Cell/diagnostic imaging , Lymphoma, Mantle-Cell/pathology , Lymphoma, Mantle-Cell/radiotherapy , Lymphoma, Non-Hodgkin/diagnostic imaging , Lymphoma, Non-Hodgkin/pathology , Male , Middle Aged , Physical Examination , Proportional Hazards Models , Radiography , Radiotherapy/methods , Radiotherapy Dosage , Treatment Failure , Tumor Burden
12.
Leuk Lymphoma ; 54(4): 726-30, 2013 Apr.
Article in English | MEDLINE | ID: mdl-22916994

ABSTRACT

The optimal therapy and radiation dose for patients with localized primary cutaneous B-cell lymphoma (PCBCL) are unknown. We retrospectively identified 23 patients with localized (T1-T2) PCBCL treated with definitive radiation to doses ranging from 30 to 44 Gy (median, 36 Gy). With a median follow-up of 4.8 years, the 5-year overall survival rate was 100%, the relapse-free survival rate was 71% (95% confidence interval, 46-86%) and there were no local recurrences, suggesting that radiotherapy to a dose of 30 Gy may be sufficient for cure.


Subject(s)
Lymphoma, B-Cell/pathology , Lymphoma, B-Cell/radiotherapy , Skin Neoplasms/pathology , Skin Neoplasms/radiotherapy , Adult , Aged , Aged, 80 and over , Female , Humans , Lymphoma, B-Cell/mortality , Male , Middle Aged , Neoplasm Staging , Radiotherapy/adverse effects , Radiotherapy Dosage , Recurrence , Retrospective Studies , Skin Neoplasms/mortality , Treatment Outcome
13.
Int J Radiat Oncol Biol Phys ; 83(1): 277-83, 2012 May 01.
Article in English | MEDLINE | ID: mdl-22019238

ABSTRACT

PURPOSE: This study sought to quantify the risk of radiation pneumonitis (RP) in Hodgkin lymphoma (HL) patients receiving mediastinal radiation therapy (RT) and to identify predictive factors for RP. METHODS AND MATERIALS: We identified 75 patients with newly diagnosed HL treated with mediastinal RT and 17 patients with relapsed/refractory HL treated with mediastinal RT before or after transplant. Lung dose-volumetric parameters including mean lung dose and percentage of lungs receiving 20 Gy were calculated. Factors associated with RP were explored by use of the Fisher exact test. RESULTS: RP developed in 7 patients (10%) who received mediastinal RT as part of initial therapy (Radiation Therapy Oncology Group Grade 1 in 6 cases). A mean lung dose of 13.5 Gy or greater (p = 0.04) and percentage of lungs receiving 20 Gy of 33.5% or greater (p = 0.009) significantly predicted for RP. RP developed in 6 patients (35%) with relapsed/refractory HL treated with peri-transplant mediastinal RT (Grade 3 in 4 cases). Pre-transplant mediastinal RT, compared with post-transplant mediastinal RT, significantly predicted for Grade 3 RP (57% vs. 0%, p = 0.015). CONCLUSIONS: We identified threshold lung metrics predicting for RP in HL patients receiving mediastinal RT as part of initial therapy, with the majority of cases being of mild severity. The risk of RP is significantly higher with peri-transplant mediastinal RT, especially among those who receive pre-transplant RT.


Subject(s)
Antineoplastic Combined Chemotherapy Protocols/adverse effects , Hodgkin Disease/drug therapy , Hodgkin Disease/radiotherapy , Lung/radiation effects , Radiation Pneumonitis/etiology , Radiotherapy, Conformal/adverse effects , Adult , Aged , Aged, 80 and over , Antineoplastic Combined Chemotherapy Protocols/administration & dosage , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Bleomycin/administration & dosage , Bleomycin/adverse effects , Carboplatin/administration & dosage , Combined Modality Therapy/adverse effects , Combined Modality Therapy/methods , Dacarbazine/administration & dosage , Dacarbazine/adverse effects , Doxorubicin/administration & dosage , Doxorubicin/adverse effects , Etoposide/administration & dosage , Female , Humans , Ifosfamide/administration & dosage , Lung Transplantation , Male , Middle Aged , Radiotherapy Dosage , Recurrence , Risk Assessment/methods , Vinblastine/administration & dosage , Vinblastine/adverse effects , Young Adult
14.
Clin Vaccine Immunol ; 18(10): 1737-43, 2011 Oct.
Article in English | MEDLINE | ID: mdl-21880855

ABSTRACT

We produced capsids of Merkel cell polyomavirus (MCPyV) in a baculovirus expression system and developed a virus-like particle (VLP) enzyme-linked immunosorbent assay (ELISA). To determine age-specific seroprevalence, serum samples were collected from 947 individuals attending hospital outpatient clinics and ranging in age from 1 to 93 years. To evaluate the association between exposure to MCPyV and Merkel cell cancer (MCC), plasma samples were obtained from 33 MCC patients and 37 controls. MCPyV seroprevalence was 45% in children under 10 years of age, increased to 60% in the next decade of life, and peaked at 81% among those 60 to 69 years of age. Levels of MCPyV capsid antibodies were positively correlated with age (P = 0.007). Virus specificity of MCPyV seroreactivity was supported by competitive inhibition of reactivity by MCPyV VLPs and not by BK polyomavirus (BKPyV) VLPs. MCPyV seroprevalence was greater among MCC patients (91%) than controls (68%; age-adjusted P value, 0.32); the mean level of MCPyV antibodies was also greater (P = 0.04). The age-specific seroprevalence of MCPyV shares with previously known polyomaviruses, BKPyV and JC polyomavirus (JCPyV), evidence of widespread exposure in human populations beginning early in life. MCPyV age-specific seroprevalence also has unique features. Seroprevalence among children is higher than that of JCPyV but lower than that of BKPyV. Among older adults, MCPyV seroprevalence remains high, while that of BKPyV declines and that of JCPyV continues to rise. In agreement with results from other studies, we found an association between MCPyV seropositivity and MCC, and higher levels of serum MCPyV capsid antibodies in MCC patients than in controls.


Subject(s)
Antibodies, Viral/blood , BK Virus/immunology , JC Virus/immunology , Merkel cell polyomavirus/immunology , Polyomavirus Infections/epidemiology , Tumor Virus Infections/epidemiology , Age Factors , Antigens, Viral , Enzyme-Linked Immunosorbent Assay/methods , Humans , Polyomavirus Infections/immunology , Recombinant Proteins , Seroepidemiologic Studies , Tumor Virus Infections/immunology
15.
Blood ; 117(2): 412-8, 2011 Jan 13.
Article in English | MEDLINE | ID: mdl-20858859

ABSTRACT

This study assessed the cumulative incidence of clinically significant cardiac disease in 1279 Hodgkin lymphoma patients treated with mediastinal irradiation and quantified the standard incidence ratios (SIRs) and absolute excess risks of cardiac procedures compared with a normal matched population. Cox regression analysis was used to explore factors associated with cardiac complications. Poisson regression analysis of SIRs was used to estimate the excess risk of cardiac interventions from mediastinal irradiation. After a median follow-up of 14.7 years, 187 patients experienced 636 cardiac events and 89 patients required a cardiac procedure. 5-, 10-, 15-, and 20-year cumulative incidence rates of cardiac events were 2.2%, 4.5%, 9.6%, and 16%. SIRs for cardiac procedures were increased for coronary artery bypass graft (3.19), percutaneous intervention (1.55), implantable cardioverter defibrillator or pacemaker placement (1.9), valve surgery (9.19), and pericardial surgery (12.91). Absolute excess risks were 18.2, 19.3, 9.4, 14.1, and 4.7 per 10 000 person-years, respectively. Older age at diagnosis and male sex were predictors for cardiac events. However, younger age at diagnosis was associated with excess risk specifically from radiation therapy compared with the general population. These results may help guideline development for both the types and timing of cardiac surveillance in survivors of Hodgkin lymphoma.


Subject(s)
Heart Diseases/etiology , Hodgkin Disease/radiotherapy , Mediastinal Neoplasms/radiotherapy , Radiotherapy/adverse effects , Adolescent , Adult , Age of Onset , Aged , Aged, 80 and over , Child , Child, Preschool , Female , Heart/radiation effects , Heart Diseases/epidemiology , Humans , Male , Mediastinum/radiation effects , Middle Aged , Risk Factors , Young Adult
16.
J Clin Oncol ; 28(1): 136-41, 2010 Jan 01.
Article in English | MEDLINE | ID: mdl-19933914

ABSTRACT

PURPOSE The optimal treatment for early-stage, lymphocyte-predominant Hodgkin's lymphoma (LPHL) is not well defined. Treatment has become less aggressive over time in an attempt to reduce iatrogenic complications, such as cardiac mortality and second cancers, but long-term efficacy is unclear. We present the long-term outcome of patients treated at a single institution. PATIENTS AND METHODS The study population includes 113 patients with stage I or II LPHL treated between 1970 and 2005. Pathologic diagnosis for all patients was confirmed using standard criteria. Ninety-three patients received radiation therapy (RT) alone, 13 received RT with chemotherapy, and seven received chemotherapy alone. Among patients treated with RT, 25 received limited-field, 35 received regional-field, and 46 received extended-field RT. Results Median follow-up was 136 months. Ten-year progression-free survival (PFS) rates were 85% (stage I) and 61% (stage II); overall survival (OS) rates were 94% and 97% for stages I and II, respectively. PFS and OS did not differ among patients who received limited-field, regional-field, or extended-field RT. In contrast, six of seven patients who received chemotherapy alone without RT developed early disease progression and required salvage treatment. Multivariable analysis adjusting for extent of RT, clinical stage, sex, and use of chemotherapy confirmed that the extent of RT was not significantly associated with PFS (P = .67) or OS (P = .99). The addition of chemotherapy to RT did not improve PFS or OS compared with RT alone. CONCLUSION RT alone leads to sustained disease control and high long-term survival rates in patients with early-stage LPHL. This study supports the use of limited-field RT alone to treat this disease.


Subject(s)
Hodgkin Disease/mortality , Lymphocytes/pathology , Adolescent , Adult , Aged , Aged, 80 and over , Child , Child, Preschool , Disease-Free Survival , Female , Follow-Up Studies , Hodgkin Disease/pathology , Hodgkin Disease/therapy , Humans , Male , Middle Aged , Neoplasm Staging , Treatment Failure
17.
Int J Radiat Oncol Biol Phys ; 75(4): 1079-83, 2009 Nov 15.
Article in English | MEDLINE | ID: mdl-19327910

ABSTRACT

PURPOSE: To determine the radiation dose-response relationship on salivary dysfunction and quality of life (QOL) over time in patients with lymphoma receiving radiation therapy (RT) to the head and neck (H&N). METHODS AND MATERIALS: We conducted a prospective study on salivary-gland function in lymphoma patients receiving RT to the H&N. Fifteen patients were enrolled on the study. Dose-volume histograms and mean doses to the salivary glands were generated. Radiation-related toxicities and H&N-specific QOL were assessed before treatment and at prespecified time points posttreatment. Factors predicting a decrement in QOL were explored using Fisher's exact test. RESULTS: During RT, 47% of patients experienced Grade >or= 2 acute toxicity of the salivary gland, mucous membrane, or both. QOL scores improved over time, but up to one third of patients continued to have persistent oral symptoms at 2 years. At 6 months, a mean dose to at least one of the parotids of > 31 Gy was significantly associated with persistent dry mouth (100% vs. 17%, p = 0.02) and sticky saliva (100% vs. 25%, p = 0.04); a mean dose of > 11 Gy to the minor salivary glands was significantly associated with persistent sticky saliva (100% vs. 25%, p = 0.04), although the difference was no longer significant at 1 year. CONCLUSIONS: Limiting the mean parotid dose to

Subject(s)
Hodgkin Disease/radiotherapy , Lymphoma, Non-Hodgkin/radiotherapy , Quality of Life , Radiation Injuries/complications , Salivary Glands/radiation effects , Adult , Aged , Amifostine/therapeutic use , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Dose-Response Relationship, Radiation , Female , Hodgkin Disease/drug therapy , Humans , Lymphoma, Non-Hodgkin/drug therapy , Male , Middle Aged , Mucous Membrane/radiation effects , Parotid Gland/radiation effects , Prospective Studies , Radiation Injuries/prevention & control , Radiation-Protective Agents/therapeutic use , Saliva/radiation effects , Salivary Glands/pathology , Salivary Glands, Minor/radiation effects , Submandibular Gland/radiation effects , Time Factors , Xerostomia/etiology
18.
Am J Public Health ; 99(6): 1131-6, 2009 Jun.
Article in English | MEDLINE | ID: mdl-19008522

ABSTRACT

OBJECTIVES: We sought to learn what factors are associated with anal intercourse among adolescents and young adults. We examined demographic, behavioral, relationship context, attitudinal, substance use, and mental health correlates of recent heterosexual anal intercourse among adolescents and young adults who reported engaging in recent unprotected sex. METHODS: Among 1348 at-risk adolescents and young adults aged 15 to 21 years in 3 US cities, we assessed sexual risk behavior with each sexual partner in the past 90 days. Data were collected from 2000 to 2001. RESULTS: Recent heterosexual anal intercourse was reported by 16% of respondents. Females who engaged in anal intercourse were more likely to be living with a sexual partner, to have had 2 or more partners, and to have experienced coerced intercourse. For males, only a sexual orientation other than heterosexual was a significant predictor of engaging in heterosexual anal intercourse. CONCLUSIONS: Our findings document the prevalence of heterosexual anal intercourse among adolescents and young adults who had recent unprotected sex. Among females, the variables associated with anal intercourse relate to the context and power balance of sexual relationships. Different influences for males and females suggest different foci for interventions.


Subject(s)
Heterosexuality/psychology , Heterosexuality/statistics & numerical data , Sexual Behavior/psychology , Sexual Behavior/statistics & numerical data , Adolescent , Female , Humans , Logistic Models , Male , Mental Health , Pilot Projects , Power, Psychological , Risk Factors , Risk-Taking , Sexual Partners , Substance-Related Disorders/epidemiology , United States , Urban Health , Young Adult
19.
Public Health Rep ; 123(5): 601-7, 2008.
Article in English | MEDLINE | ID: mdl-18828415

ABSTRACT

OBJECTIVE: We determined the association of demographic, psychosocial, and contextual factors with condom use among a large community sample of at-risk adolescents recruited from four locations in the U.S. METHODS: We enrolled 1,410 adolescents/young adults between the ages of 15 and 21 with a history of unprotected sex in the past 90 days at four study sites. Subjects completed an audio-assisted, computerized assessment that gathered information about sexual behavior and its contexts, substance use, and relevant risk and protective attitudes. RESULTS: Nearly two-thirds of adolescents did not use condoms at the time of last intercourse and adolescents reported a mean of 15.5 (median = 5) unprotected intercourse occasions in the past 90 days. Controlling for relevant demographic variables, not using condoms was associated with the perception that condoms reduce sexual pleasure, the perception that partners will not approve of condom use, and less discussion with partners about condoms. CONCLUSIONS: Even across racial/ethnic groups, gender, and geographic locations, several important correlates of adolescents' sexual risk reduction were identified. Many adolescents may feel that condoms reduce their sexual pleasure and fear partner reactions if they initiate condom use. These attitudes may be malleable through clinical and community-based interventions.


Subject(s)
Adolescent Behavior/psychology , Condoms/statistics & numerical data , Health Knowledge, Attitudes, Practice , Interpersonal Relations , Risk-Taking , Sexual Partners/psychology , Unsafe Sex/statistics & numerical data , Adolescent , Adolescent Behavior/ethnology , Adult , Coitus , Demography , Female , Florida , Georgia , Humans , Male , Peer Group , Rhode Island , Sampling Studies , Social Conformity , Unsafe Sex/ethnology , Unsafe Sex/psychology
20.
Int J Radiat Oncol Biol Phys ; 72(3): 866-70, 2008 Nov 01.
Article in English | MEDLINE | ID: mdl-18394815

ABSTRACT

PURPOSE: To determine the risk of regional-nodal recurrence in patients with early-stage, invasive breast cancer, with clinically negative axillary nodes, who were treated with breast-conserving surgery, "high tangential" breast radiotherapy, and hormonal therapy, without axillary surgery or the use of a separate nodal radiation field. METHODS AND MATERIALS: Between September 1998 and November 2003, 74 patients who were >/=55 years of age with Stage I-II clinically node-negative, hormone-receptor-positive breast cancer underwent tumor excision to negative margins without axillary surgery as a part of a multi-institutional prospective study. Postoperatively, all underwent high-tangential, whole-breast radiotherapy with a boost to the tumor bed, followed by 5 years of hormonal therapy. RESULTS: For the 74 patients enrolled, the median age was 74.5 years, and the median pathologic tumor size was 1.2 cm. Lymphatic vessel invasion was present in 5 patients (7%). At a median follow-up of 52 months, no regional-nodal failures or ipsilateral breast recurrences had been identified (95% confidence interval, 0-4%). Eight patients died, one of metastatic disease and seven of other causes. CONCLUSION: In this select group of mainly older patients with early-stage hormone-responsive breast cancer and clinically negative axillary nodes, treatment with high-tangential breast radiotherapy and hormonal therapy, without axillary surgery, yielded a low regional recurrence rate. Such patients might be spared more extensive axillary treatment (axillary surgery, including sentinel node biopsy, or a separate nodal radiation field), with its associated time, expense, and morbidity.


Subject(s)
Breast Neoplasms/pathology , Breast Neoplasms/radiotherapy , Aged , Aged, 80 and over , Breast Neoplasms/drug therapy , Estrogen Antagonists/therapeutic use , Female , Humans , Lymph Node Excision , Lymph Nodes/pathology , Lymphatic Metastasis/pathology , Middle Aged , Neoplasm Staging , Patient Selection , Prospective Studies , Receptors, Estrogen/analysis , Retrospective Studies
SELECTION OF CITATIONS
SEARCH DETAIL
...