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Gierach GL, Curtis RE, Pfeiffer RM, Mullooly M, Hoover RN, Nyante SJ, Feigelson HS, Glass AG, Berrington de Gonzalez A. Abstract P5-12-01: Adjuvant endocrine therapy and risk of contralateral breast cancer among a cohort of U.S. women with breast cancer. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-p5-12-01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: The increasing incidence of estrogen receptor (ER)-positive breast cancer in the U.S. in concert with the aging population and improved survival have resulted in an increased number of women at risk of developing a second contralateral primary breast cancer. Results from randomized clinical trials have suggested a reduced risk of contralateral breast cancer among women taking tamoxifen or aromatase inhibitors. However, little is known about the duration of beneficial effects of endocrine therapy within the context of real life treatment scenarios, where gaps in treatment and varying durations of use may influence risk.
Methods: We assessed contralateral breast cancer risk associated with adjuvant tamoxifen treatment among a cohort of 7,541 women, ages 24-85 years, who were members of Kaiser Permanente (KP) Northwest or Colorado, and were diagnosed with invasive breast cancer between 1990 and 2008 and remained at risk of contralateral breast cancer for at least one year. We also assessed risk in relation to aromatase inhibitor use, though statistical power was somewhat limited due to the relatively recent introduction of aromatase inhibitors in this older cohort. Use of tamoxifen, aromatase inhibitors and other treatments was ascertained from KP prescription and medical records. Relative risks (RR) and 95% confidence intervals (CI) were estimated using multivariable Poisson regression adjusting for study site, age at and year of diagnosis, stage at diagnosis, ER status, chemotherapy, and radiotherapy.
Results: Over a median (range) of 6.3 (1.0-20.9) years of follow-up, 248 women developed contralateral breast cancer. Among patients surviving at least five years (n=4,668), 58% were prescribed tamoxifen with a median (range) duration of use of 4.2 (0.25-16.2) years. In models evaluating joint effects of tamoxifen duration and time since last use, we observed a statistically significant reduced risk of contralateral breast cancer among current tamoxifen users (RR=0.47, 95% CI: 0.30, 0.74) and among former users with 4+ years of tamoxifen (RR=0.39, 95% CI: 0.24, 0.63) as compared with women not treated with tamoxifen. Former users with 1-4 years of tamoxifen demonstrated a suggestive reduction in risk (RR=0.71, 95% CI: 0.45, 1.10), but there was no evidence of risk reduction for former users with <1 year of tamoxifen (RR=0.96, 95% CI: 0.56, 1.64). The reduced risks associated with 4+ years of tamoxifen persisted among patients surviving at least 7 years but were attenuated among those with more than 10 years since their first primary diagnosis. Aromatase inhibitor use was also associated with reduced contralateral breast cancer risk (RR=0.46, 95% CI: 0.22, 0.97). In subgroup analyses restricted to women whose first primary cancer was ER-positive (n=5,951), findings were consistent with those observed in the overall cohort.
Conclusions: Adjuvant tamoxifen and aromatase inhibitor therapy considerably reduce the risk of contralateral breast cancer. Furthermore, our data suggest that tamoxifen protects against contralateral breast cancer while women are being treated and that the protective effect appears to continue after cessation with longer durations of use.
Citation Format: Gierach GL, Curtis RE, Pfeiffer RM, Mullooly M, Hoover RN, Nyante SJ, Feigelson HS, Glass AG, Berrington de Gonzalez A. Adjuvant endocrine therapy and risk of contralateral breast cancer among a cohort of U.S. women with breast cancer. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr P5-12-01.
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Affiliation(s)
- GL Gierach
- National Cancer Institute, Bethesda, MD; University of North Carolina at Chapel Hill, Chapel Hill, NC; Kaiser Permanente Institute for Health Research, Denver, CO; Kaiser Permanente Northwest Center for Health Research, Portland, OR
| | - RE Curtis
- National Cancer Institute, Bethesda, MD; University of North Carolina at Chapel Hill, Chapel Hill, NC; Kaiser Permanente Institute for Health Research, Denver, CO; Kaiser Permanente Northwest Center for Health Research, Portland, OR
| | - RM Pfeiffer
- National Cancer Institute, Bethesda, MD; University of North Carolina at Chapel Hill, Chapel Hill, NC; Kaiser Permanente Institute for Health Research, Denver, CO; Kaiser Permanente Northwest Center for Health Research, Portland, OR
| | - M Mullooly
- National Cancer Institute, Bethesda, MD; University of North Carolina at Chapel Hill, Chapel Hill, NC; Kaiser Permanente Institute for Health Research, Denver, CO; Kaiser Permanente Northwest Center for Health Research, Portland, OR
| | - RN Hoover
- National Cancer Institute, Bethesda, MD; University of North Carolina at Chapel Hill, Chapel Hill, NC; Kaiser Permanente Institute for Health Research, Denver, CO; Kaiser Permanente Northwest Center for Health Research, Portland, OR
| | - SJ Nyante
- National Cancer Institute, Bethesda, MD; University of North Carolina at Chapel Hill, Chapel Hill, NC; Kaiser Permanente Institute for Health Research, Denver, CO; Kaiser Permanente Northwest Center for Health Research, Portland, OR
| | - HS Feigelson
- National Cancer Institute, Bethesda, MD; University of North Carolina at Chapel Hill, Chapel Hill, NC; Kaiser Permanente Institute for Health Research, Denver, CO; Kaiser Permanente Northwest Center for Health Research, Portland, OR
| | - AG Glass
- National Cancer Institute, Bethesda, MD; University of North Carolina at Chapel Hill, Chapel Hill, NC; Kaiser Permanente Institute for Health Research, Denver, CO; Kaiser Permanente Northwest Center for Health Research, Portland, OR
| | - A Berrington de Gonzalez
- National Cancer Institute, Bethesda, MD; University of North Carolina at Chapel Hill, Chapel Hill, NC; Kaiser Permanente Institute for Health Research, Denver, CO; Kaiser Permanente Northwest Center for Health Research, Portland, OR
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Glass AG, Lacey JV, Carreon JD, Hoover RN. Response: Re: Breast Cancer Incidence, 1980-2006: Combined Roles of Menopausal Hormone Therapy, Screening Mammography, and Estrogen Receptor Status. J Natl Cancer Inst 2007. [DOI: 10.1093/jnci/djm226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Lacey JV, Ioffe OB, Ronnett BM, Rush BB, Richesson DA, Chatterjee N, Langholz B, Glass AG, Sherman ME. Endometrial carcinoma risk among women diagnosed with endometrial hyperplasia: the 34-year experience in a large health plan. Br J Cancer 2007; 98:45-53. [PMID: 18026193 PMCID: PMC2359718 DOI: 10.1038/sj.bjc.6604102] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Classifying endometrial hyperplasia (EH) according to the severity of glandular crowding (simple hyperplasia (SH) vs complex hyperplasia (CH)) and nuclear atypia (simple atypical hyperplasia (SAH) vs complex atypical hyperplasia (CAH)) should predict subsequent endometrial carcinoma risk, but data on progression are lacking. Our nested case-control study of EH progression included 138 cases, who were diagnosed with EH and then with carcinoma (1970-2003) at least 1 year (median, 6.5 years) later, and 241 controls, who were individually matched on age, date, and follow-up duration and counter-matched on EH classification. After centralised pathology panel and medical record review, we generated rate ratios (RRs) and 95% confidence intervals (CIs), adjusted for treatment and repeat biopsies. With disordered proliferative endometrium (DPEM) as the referent, AH significantly increased carcinoma risk (RR=14, 95% CI, 5-38). Risk was highest 1-5 years after AH (RR=48, 95% CI, 8-294), but remained elevated 5 or more years after AH (RR=3.5, 95% CI, 1.0-9.6). Progression risks for SH (RR=2.0, 95% CI, 0.9-4.5) and CH (RR=2.8, 95% CI, 1.0-7.9) were substantially lower and only slightly higher than the progression risk for DPEM. The higher progression risks for AH could foster management guidelines based on markedly different progression risks for atypical vs non-atypical EH.
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Affiliation(s)
- J V Lacey
- Hormonal and Reproductive Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD 20852-7234, USA.
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Castle PE, Zemlo TR, Burk RD, Scott DR, Sherman ME, Lorincz AT, Kurman RJ, Glass AG, Rush BB, Liaw KL, Schiffman M. Cervical HPV DNA detection as a predictor of a recurrent SIL diagnosis among untreated women. J Low Genit Tract Dis 2006; 5:138-43. [PMID: 17050958 DOI: 10.1046/j.1526-0976.2001.53005.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVES This study was conducted to test whether patient history of untreated cervical intraepithelial neoplasia (CIN) 1 or low-grade squamous intraepithelial lesions (LGSIL) modifies the interpretation of a positive HPV DNA result with regards to subsequent squamous intraepithelial lesions (SIL). METHODS Seventy-three women with recurrent SIL were compared to 105 controls who remain cytologically normal during follow up. Cervical samples collected at enrollment were assayed for HPV DNA in the subject and control groups. RESULTS Women with and without a history of LGSIL who tested positive for HPV DNA were at a similarly increased risk of having (recurrent) LGSIL as compared to controls. However, in women with a history of LGSIL, HPV DNA appeared to be less predictive for high-grade squamous intraepithelial lesions (HGSIL) than in women without a history of disease. CONCLUSIONS Past history of untreated CIN1 or LGSIL does not modify the predictive value of a positive HPV DNA test for subsequent LGSIL. The observed difference of the predictive value of a positive HPV DNA test for the risk of recurrent HSIL compared to incident HSIL should be pursued.
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Affiliation(s)
- P E Castle
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
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Glass AG, Donis-Keller H, Mies C, Russo J, Zehnbauer B, Taube S, Aamodt R. The Cooperative Breast Cancer Tissue Resource: archival tissue for the investigation of tumor markers. Clin Cancer Res 2001; 7:1843-9. [PMID: 11448894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
Investigators continue to search for reliable markers of prognosis of breast cancer. For many analyses, laboratory techniques permit the use of archival paraffin-embedded tissue collected years previously and readily linked to clinical and follow-up information. Laboratory investigators have often expressed the need for such a tissue resource. We have developed a publicly available resource of archival breast cancer specimens. The pathological material has been collected and reviewed by investigators at four institutions and currently includes breast cancer specimens from more than 9300 cases. Institutional pathologists reviewed slides and blocks using a common protocol and coding scheme. Clinical information and details of follow-up came from data routinely collected by the institutions' cancer registries. Coded data are maintained centrally in a single database. A subset of the data may be searched on the World Wide Web to determine the availability of cases with specified characteristics. The material collected by this Cooperative Breast Cancer Tissue Resource is generally representative of breast cancer diagnosed in community hospital settings in the United States. Seventy-two percent of the living cases have been followed for at least 5 years, and follow-up status is updated regularly. Interested laboratory investigators may apply to the Resource for the use of these tissues. This Resource is proving valuable to laboratory investigators who require large numbers of specimens for validation studies of prognostic markers of breast cancer.
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Affiliation(s)
- A G Glass
- Kaiser Permanente, Northwest Region, Portland, Oregon 97227, USA
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Liaw KL, Hildesheim A, Burk RD, Gravitt P, Wacholder S, Manos MM, Scott DR, Sherman ME, Kurman RJ, Glass AG, Anderson SM, Schiffman M. A prospective study of human papillomavirus (HPV) type 16 DNA detection by polymerase chain reaction and its association with acquisition and persistence of other HPV types. J Infect Dis 2001; 183:8-15. [PMID: 11087198 DOI: 10.1086/317638] [Citation(s) in RCA: 211] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2000] [Revised: 09/01/2000] [Indexed: 11/03/2022] Open
Abstract
Human papillomavirus (HPV)-16 causes about half the cases of cervical cancer worldwide and is the focus of HPV vaccine development efforts. Systematic data are lacking as to whether the prevention of HPV-16 could affect the equilibrium of infection with other HPV types and thus alter the predicted impact of vaccination on the occurrence of cervical neoplasia. Therefore, the associations of HPV-16 detection with subsequent acquisition of other HPV types and with the persistence of concomitantly detected HPV types were examined prospectively among 1124 initially cytologically normal women. Preexisting HPV-16 was generally associated with an increased risk for subsequent acquisition of other types. HPV-16 did not affect the persistence of concomitant infections, regardless of type. These findings suggest that the prevention or removal of HPV-16 is not likely to promote the risk of infection with other types, a theoretical concern with current vaccination efforts.
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Affiliation(s)
- K L Liaw
- Department of Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, USA. liaw2+@pitt.edu
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Wolmark N, Rockette H, Mamounas E, Jones J, Wieand S, Wickerham DL, Bear HD, Atkins JN, Dimitrov NV, Glass AG, Fisher ER, Fisher B. Clinical trial to assess the relative efficacy of fluorouracil and leucovorin, fluorouracil and levamisole, and fluorouracil, leucovorin, and levamisole in patients with Dukes' B and C carcinoma of the colon: results from National Surgical Adjuvant Breast and Bowel Project C-04. J Clin Oncol 1999; 17:3553-9. [PMID: 10550154 DOI: 10.1200/jco.1999.17.11.3553] [Citation(s) in RCA: 338] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE To compare the efficacy of leucovorin-modulated fluorouracil (FU+LV) with that of fluorouracil and levamisole (FU+LEV) or with the combination of FU+LV and levamisole (FU+LV+LEV). PATIENTS AND METHODS Between July 1989 and December 1990, 2,151 patients with Dukes' B (stage II) and Dukes' C (stage III) carcinoma of the colon were entered onto National Surgical Adjuvant Breast and Bowl Project protocol C-04. Patients were randomly assigned to receive FU+LV (weekly regimen), FU + LEV, or the combination of FU+LV+LEV. The average time on study was 86 months. RESULTS A pairwise comparison between patients treated with FU+LV or FU+LEV disclosed a prolongation in disease-free survival (DFS) in favor of the FU+LV group (65% v 60%; P =.04); there was a small prolongation in overall survival that was of borderline significance (74% v 70%; P =.07). There was no difference in the pairwise comparison between patients who received FU+LV or FU+LV+LEV for either DFS (65% v 64%; P =.67) or overall survival (74% v 73%; P =.99). There was no interaction between Dukes' stage and the effect of treatment. CONCLUSION In patients with Dukes' B and C carcinoma of the colon, treatment with FU+LV seems to confer a small DFS advantage and a borderline prolongation in overall survival when compared with treatment with FU+LEV. The addition of LEV to FU+LV does not provide any additional benefit over and above that achieved with FU+LV. These findings support the use of adjuvant FU+LV as an acceptable therapeutic standard in patients with Dukes' B and C carcinoma of the colon.
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Affiliation(s)
- N Wolmark
- National Surgical Adjuvant Breast and Bowel Project, Pittsburgh, PA 15212, USA.
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Liaw KL, Glass AG, Manos MM, Greer CE, Scott DR, Sherman M, Burk RD, Kurman RJ, Wacholder S, Rush BB, Cadell DM, Lawler P, Tabor D, Schiffman M. Detection of human papillomavirus DNA in cytologically normal women and subsequent cervical squamous intraepithelial lesions. J Natl Cancer Inst 1999; 91:954-60. [PMID: 10359548 DOI: 10.1093/jnci/91.11.954] [Citation(s) in RCA: 189] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Human papillomavirus (HPV) infection has been strongly associated with cervical carcinoma and its cytologic precursors, squamous intraepithelial lesions (SIL). We investigated the risk of SIL prospectively following polymerase chain reaction (PCR)-based DNA testing for a wide range of genital HPV types in a cohort of initially cytologically normal women, to clarify the role of HPV in the etiology of SIL. METHODS Starting in April 1989, 17,654 women who were receiving routine cytologic screening at Kaiser Permanente (Portland, OR) were followed for the development of incident SIL. During follow-up, 380 incident case patients and 1037 matched control subjects were eligible for this nested case-control study. Cervical lavages collected at enrollment and, later, at the time of case diagnosis (or the corresponding time for selection of control subjects) were tested for HPV DNA using a PCR-based method. The data were analyzed as contingency tables with two-sided P values or, for multivariable analyses, using odds ratios (ORs) with 95% confidence intervals (CIs). RESULTS In comparison with initially HPV-negative women, women who tested positive for HPV DNA at enrollment were 3.8 times (95% CI = 2.6-5.5) more likely to have low-grade SIL subsequently diagnosed for the first time during follow-up and 12.7 times more likely (95% CI = 6.2-25.9) to develop high-grade SIL. At the time of diagnosis, the cross-sectional association of HPV DNA and SIL was extremely strong (OR = 44.4 and 95% CI = 24.2-81.5 for low-grade SIL and OR = 67.1 and 95% CI = 19.3-233.7 for high-grade SIL). HPV16 was the virus type most predictive of SIL, even low-grade SIL. CONCLUSIONS These findings are consistent with the hypothesis that HPV infection is the primary cause of cervical neoplasia. Furthermore, they support HPV vaccine research to prevent cervical cancer and efforts to develop HPV DNA diagnostic tests.
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Affiliation(s)
- K L Liaw
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
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Sherman ME, Tabbara SO, Scott DR, Kurman RJ, Glass AG, Manos MM, Burk RD, Rush BB, Schiffman M. "ASCUS, rule out HSIL": cytologic features, histologic correlates, and human papillomavirus detection. Mod Pathol 1999; 12:335-42. [PMID: 10229496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
Risk factors, cytologic and histopathologic features, and human papillomavirus (HPV) detection associated with 75 cervical smears classified as atypical squamous cells of undetermined significance, rule out high-grade squamous intraepithelial lesion (ASCUS, rule out HSIL) were reviewed. Cases were identified in a pathology panel review of material collected from 1953 women participating in a 5-year prospective study of HPV infection and squamous intraepithelial lesions at Kaiser Permanente, Portland, Oregon, sponsored by the National Cancer Institute. Initial abnormal smears diagnosed as ASCUS, rule out HSIL by one panelist or diagnosed as ASCUS by one pathologist and as HSIL by another were included. The 75 ASCUS, rule out HSIL smears identified were examined again by two pathologists after the study. These cases were compared with cases of ASCUS, not otherwise specified (ASCUS, NOS) and HSIL identified in the same group of 1953 women. Findings in ASCUS, rule out HSIL included tissue fragments (21%); atypical immature metaplasia (17%); atypical mature metaplasia (15%); small atypical cells (9%); and atypical repair (4%). A final patient classification of HSIL, reflecting all available data, was assigned to 11 (24%) of 46 women with ASCUS, rule out HSIL and to 1(1%) of 80 women with ASCUS, NOS in the original review (P < .001). Detection of oncogenic HPV types at diagnosis in ASCUS, rule out HSIL; ASCUS, NOS; and HSIL was similar, but data were unavailable for many subjects. Among women not tested at diagnosis, enrollment testing (1 to 4 years earlier) revealed that HPV detection in women with ASCUS, rule out HSIL was intermediate in frequency between ASCUS, NOS and HSIL. These data suggest that ASCUS, rule out HSIL is a distinct diagnosis from ASCUS, NOS because it is more often associated with an underlying HSIL. Consequently, women with ASCUS, rule out HSIL should be referred for colposcopic examination.
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Affiliation(s)
- M E Sherman
- Department of Pathology, The Johns Hopkins Medical Institutions, Baltimore, Maryland, USA.
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Hildesheim A, Schiffman M, Scott DR, Marti D, Kissner T, Sherman ME, Glass AG, Manos MM, Lorincz AT, Kurman RJ, Buckland J, Rush BB, Carrington M. Human leukocyte antigen class I/II alleles and development of human papillomavirus-related cervical neoplasia: results from a case-control study conducted in the United States. Cancer Epidemiol Biomarkers Prev 1998; 7:1035-41. [PMID: 9829713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
Abstract
The host immune response to human papillomaviruses (HPVs) is believed to be an important determinant of progression of HPV-associated cervical neoplasia. Human leukocyte antigens (HLAs) are important in the presentation of foreign antigens to the immune system. Previous studies have suggested a possible association between HLA and cervical neoplasia, but the specific alleles found to be associated with disease have varied between studies. To further evaluate this issue, we conducted a nested case-control study within a 24,000-woman cohort study in the United States. A total of 711 women were selected for the study: 141 women diagnosed with high-grade squamous intraepithelial lesions (HSILs) of the cervix; 202 women diagnosed with low-grade SILs (LSILs); 166 women with no history of cervical neoplasia, but evidence of HPV-16 infection; and 202 women with no history of cervical abnormalities and who were HPV negative during follow-up as part of our cohort. Cervicovaginal lavage samples collected from participants were used for HPV testing by L1 consensus primer PCR and the Hybrid Capture tube test methods. DNA extracted from these same lavage samples were used for PCR-based HLA genotyping. Our results suggest a positive association between HLA B7 and HLA DQB1*0302 and disease. A negative association with disease was observed for HLA DRB1*1501-DQB1*0602 and DRB1*13. Associations were strongest when analyses were restricted to HPV-16-positive cases as follows. Compared with women who were cytologically normal and HPV negative, HLA B7 was associated with a 1.5-fold increased risk of HPV/LSIL [95% confidence interval (CI) = 0.95-2.5] and a 2.5-fold increased risk of HSIL (95% CI = 1.2-5.1). HLA DQB1*0302 was associated with a 1.5-fold increased risk of HPV/LSIL (95% CI = 0.94-2.4) and a 1.7-fold increased risk of HSIL (95% CI = 0.84-3.5). HLA DRB1*1501-DQB1*0602 was associated with a decreased risk of HSIL [relative risk (RR) = 0.21; 95% CI = 0.07-0.62]. HLA DRB1*13 was associated with a decreased risk of HPV/LSIL (RR = 0.78; 95% CI = 0.51-1.2) and HSIL (RR = 0.63; 95% CI = 0.30-1.3). Individuals who were either homozygous for DQB1*0302 or carriers of both B7 and DQB1*0302 were found to be at highest risk of disease (RR = 4.5, 95% CI = 1.5-14 for HPV/LSIL; and RR = 9.0, 95% CI = 2.4-34 for HSIL). No synergistic effect was observed for the alleles found to be associated with reduced risk of cervical neoplasia. Our findings support previous studies that have found HLA B7 and DQB1*0302 to be positively associated with cervical neoplasia and are consistent with those that have suggested that DRB1*13 is negatively associated with disease, but do not confirm previous assertions that DRB1*1501-DQB1*0602 increases the risk of cervical disease.
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Affiliation(s)
- A Hildesheim
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland 20892-7374, USA.
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Abstract
BACKGROUND Prostate cancer is the second most common cause of death from cancer in men in the United States. Digital rectal examination is the oldest and most commonly used screening test for prostate cancer, but as yet there are no studies which demonstrate its effectiveness. METHODS A case-control study was conducted among members of a large health maintenance organisation to estimate the effect of screening digital rectal examination on mortality from prostate cancer. 150 men, aged 40-84 when cancer was diagnosed, who developed fatal prostate cancer, and 299 male controls matched for age who did not die from prostate cancer were studied. A history of screening digital rectal examination during the 10 years before the date on which cancer was-diagnosed was determined from medical records. RESULTS A similar proportion of men who died from prostate cancer and controls had undergone at least one screening digital rectal examination during the 10 year interval (odds ratio = 0.84, 95% confidence interval 0.48 to 1.46). Similar results were obtained when a shorter interval (such as five years before diagnosis) during which screening histories were evaluated was considered, or in analyses in which men with a history of benign prostatic hypertrophy were excluded. CONCLUSIONS The data suggest that screening digital rectal examination does not reduce mortality from prostate cancer to any appreciable degree.
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Affiliation(s)
- K E Richert-Boe
- Section of Hematology and Medical Oncology, Department of Veterans Affairs Medical Center, Oregon Health Sciences University, Portland, USA
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Wideroff L, Potischman N, Glass AG, Greer CE, Manos MM, Scott DR, Burk RD, Sherman ME, Wacholder S, Schiffman M. A nested case-control study of dietary factors and the risk of incident cytological abnormalities of the cervix. Nutr Cancer 1998; 30:130-6. [PMID: 9589431 DOI: 10.1080/01635589809514652] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Several earlier case-control studies reported inverse associations of cervical squamous intraepithelial lesions (SIL) with high dietary or biomarker levels of carotenoids, folate, and vitamins C and E. However, most studies did not measure the primary causal factor, cancer-associated genital human papillomaviruses (HPV), now detected by sensitive viral DNA tests. This nested case-control study assessed whether high dietary intakes of these nutrients, plus zinc and vitamin A, reduced SIL risk in cancer-associated HPV DNA-positive women. Using a 60-item food-frequency questionnaire, nutrient estimates were obtained for 33 incident cases with high-grade lesions, 121 with low-grade lesions, 97 with equivocal SIL, and 806 cytologically normal controls sampled from a large prospective cohort study. Baseline cervicovaginal lavages were tested for HPV DNA by the polymerase chain reaction. Among DNA-positive cases (n = 68) and controls (n = 69), age-adjusted odds ratios (ORs) of SIL in the highest vs. the lowest nutrient quartiles were 1.4 [95% confidence interval (CI) = 0.5-4.2] for vitamin A, 0.6 (CI = 0.2-2.0) for beta-carotene, 1.3 (CI = 0.4-3.6) for vitamin C, 1.0 (CI = 0.4-3.6) for vitamin E, 0.7 (CI = 0.3-2.1) for folate, and 0.8 (CI = 0.3-2.2) for zinc. ORs in HPV DNA-negative women approximated 1.0, with the exception of vitamin E (OR = 0.5, CI = 0.3-0.9). These results do not support a protective role for the above nutrients against low-grade or equivocal SIL, which constituted the majority of diagnoses in this study.
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Affiliation(s)
- L Wideroff
- Epidemiology and Biostatistics Program, National Cancer Institute, Bethesda, MD 20892, USA
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Abstract
BACKGROUND The National Cancer Data Base (NCDB) has reported on many malignancies occurring in men and women in the U. S. from >1400 contributing hospitals. The current report on non-Hodgkin's lymphoma (NHL) is a companion to an upcoming Patient Care Evaluation study of this relatively common and serious cancer. METHODS This report is comprised of all NHL cases submitted to the NCDB divided into two diagnostic-year groups: 1985-1988 and 1990-1993. Variables routinely collected by hospital cancer registries have been analyzed to report on patterns of diagnosis and treatment. RESULTS High grade NHL cases were more likely to be Stage IV (40.8%) than were low or intermediate grade cases (34.8% and 32.5%, respectively). Patients with NHL arising from lymph node sites tended to present with more advanced disease (55.8% with Stages III and IV disease), whereas patients with NHL arising from extranodal sites and non-lymph node nodal sites presented at an earlier stage (64.7% and 74.0%, respectively, with Stage I or Stage II disease). Approximately 67% of all patients underwent chemotherapy, whereas only 25% underwent surgery or radiation. By histology, 5-year survival was 68.8% for low grade disease, 51.9% for intermediate grade disease, and 45.8% for high grade disease; by stage, survival rates ranged from 73.5% for Stage I to 42.9% for Stage IV disease. CONCLUSIONS To the authors' knowledge, the 91,306 cases in this study represent the largest contemporary sample of NHL patients. The material reported here may serve as a reference with which to compare local patterns with national data. The Working Formulation's ability to stratify patients' survival rates confirms its utility for NHL. Stage according to the American Joint Committee on Cancer also was accurate in predicting survival.
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Affiliation(s)
- A G Glass
- Center for Health Research and Northwest Permanente, Kaiser Permanente, Portland, Oregon, USA
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14
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Hildesheim A, Schiffman MH, Tsukui T, Swanson CA, Lucci J, Scott DR, Glass AG, Rush BB, Lorincz AT, Corrigan A, Burk RD, Helgesen K, Houghten RA, Sherman ME, Kurman RJ, Berzofsky JA, Kramer TR. Immune activation in cervical neoplasia: cross-sectional association between plasma soluble interleukin 2 receptor levels and disease. Cancer Epidemiol Biomarkers Prev 1997; 6:807-13. [PMID: 9332763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
In a previous study (Tsukui et al., Cancer Res., 56: 3967-3974, 1996), we observed an inverse association between degree of cervical neoplasia and interleukin (IL) 2 production by peripheral blood mononuclear cells in response to human papillomavirus (HPV) 16 E6 and E7 peptides in vitro. This suggested that a Th1-mediated cellular immune response might be important in host immunological control of HPV infection and that a lack of such a response might predispose to progression of cervical disease. To follow up on these findings, we have conducted a cross-sectional study of women with various degrees of cervical neoplasia to investigate the association between overall immune activation and cervical disease. A total of 235 women were recruited into our study; 120 of these women were participants in our previous study in which IL-2 production in response to HPV-16-specific peptides was measured. The study population included 34 women with invasive cancer, 62 women with high-grade squamous intraepithelial lesions (HSILs), and 105 women with low-grade squamous intraepithelial lesions (LSILs). In addition, 34 cytologically normal women with no past history of squamous intraepithelial lesions despite confirmed HPV-16 infection in the 5 years preceding the study were selected as controls. As our measure of overall immune activation, serum samples obtained from study participants were tested for soluble IL-2 receptor (sIL-2R) level using an ELISA method. The mean sIL-2R levels were found to increase with increasing disease severity (Ptrend = 0.0002). Among cytologically normal, HPV-exposed women, the mean receptor level in serum was 465.8 units/ml compared to 467.6 units/ml among LSIL subjects, 514.9 units/ml among HSIL subjects, and 695.5 units/ml among women with invasive cervical cancer. Similarly, the proportion of women with elevated sIL-2R levels (defined as > or = 450 units/ml) increased with increasing disease severity from 35.2% among normal study subjects to 70.6% among cancer patients (Ptrend = 0.003). Among the subgroup of subjects for whom in vitro IL-2 production in response to HPV-16-specific peptides was measured, we examined the association between in vitro IL-2 production and serum levels of sIL-2R. sIL-2R levels were higher, on average, among those women who were positive in our IL-2 production assay compared to those who were negative, but the differences did not reach statistical significance (P > 0.05). We also observed a trend of increasing sIL-2R level with increasing disease severity both in women who were positive and in women who were negative for our IL-2 production assay, but the trend was only significant among those who were negative for IL-2 production (Ptrend = 0.01). Results from our studies suggest that although the immune system of women with cervical neoplasia is nonspecifically activated as disease severity increases, the ability of those women with HSILs or cancer to mount a Th1-mediated immune response to HPV peptides appears to decrease compared to women with LSILs or normal women infected with HPV. Increased overall activation along with decreased Th1 immune response among women with increasing cervical disease severity might be explained by an increased Th2-mediated immune response, a response that we hypothesize is ineffective in controlling the viral infection and its early cytological manifestations. Future studies should directly assess Th2-mediated responses to confirm this hypothesis. Also, future efforts should be aimed at determining whether the associations observed are causally related to disease progression or an effect of the disease.
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Affiliation(s)
- A Hildesheim
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland 20892, USA.
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15
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Cope JU, Hildesheim A, Schiffman MH, Manos MM, Lörincz AT, Burk RD, Glass AG, Greer C, Buckland J, Helgesen K, Scott DR, Sherman ME, Kurman RJ, Liaw KL. Comparison of the hybrid capture tube test and PCR for detection of human papillomavirus DNA in cervical specimens. J Clin Microbiol 1997; 35:2262-5. [PMID: 9276398 PMCID: PMC229950 DOI: 10.1128/jcm.35.9.2262-2265.1997] [Citation(s) in RCA: 74] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The strong association of human papillomavirus (HPV) and cervical cancer makes it important to study HPV detection methods that may play a role in cervical cancer screening. We compared two DNA methods that are commonly used for HPV research in the United States: the MY09/MY11 L1 consensus primer PCR-based test and the first-generation Hybrid Capture tube method (HCT). Laboratory assays by each method were performed with 596 cervicovaginal specimens collected from participants in a large cohort study conducted in Portland, Oreg. Included were 499 specimens from women whose cytology was normal and 97 specimens from women with squamous intraepithelial lesions (SILs). The overall HPV DNA positivity for known types was 22.5% by PCR compared to 13.6% by HCT. When the analysis was restricted to the 14 HPV types detectable by both methods, the sensitivity of HCT, with PCR used as the standard for HPV status, was higher for specimens from women with concurrent SILs (81.0%) than for specimens from women with normal cytology (46.7%). Among specimens testing positive by both methods, 97.2% of the time the two methods agreed on whether specimens were positive for cancer-associated HPV types. Both of these HPV test methods provide information that supplements the information provided by the Pap smear. The PCR method has higher analytic sensitivity than HCT in detecting HPV, but HCT may be helpful in identifying women with concurrent SILs.
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Affiliation(s)
- J U Cope
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, Bethesda, Maryland 20892, USA
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16
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Abstract
A survey was conducted to identify demographics and standards of care for treatment of hypopharyngeal squamous cell carcinoma in the United States. Data were accrued from voluntary submission of cancer registry and medical chart information from 769 hospitals representing 2939 cases diagnosed from 1980 to 1985 and 1990 to 1992. Clinical findings, diagnostic procedures employed, treatment practices, and outcome are presented. Overall, 5-year disease-specific survival was 33.4%, which segregated to 63.1% (stage I), 57.5% (stage II), 41.8% (stage III), and 22% (stage IV). Survival was best for patients treated with surgery only (50.4%), similar with combined surgery and irradiation (48%), and worse with irradiation only (25.8%). This analysis provides a standard to which current treatment practice and future clinical trials may be compared.
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Affiliation(s)
- H T Hoffman
- Commission on Cancer, American College of Surgeons, Chicago, Illinois 60611, U.S.A
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17
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Shah JP, Karnell LH, Hoffman HT, Ariyan S, Brown GS, Fee WE, Glass AG, Goepfert H, Ossoff RH, Fremgen A. Patterns of care for cancer of the larynx in the United States. Arch Otolaryngol Head Neck Surg 1997; 123:475-83. [PMID: 9158393 DOI: 10.1001/archotol.1997.01900050021002] [Citation(s) in RCA: 103] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVE To assess case-mix characteristics, treatment patterns, and outcomes for laryngeal cancer using the largest series of patients to date. DESIGN Analyses performed on retrospectively collected survey data submitted by hospitals for diagnostic periods 1980 through 1985 and 1990 through 1992 (with a 9-year follow-up for the long-term group). SETTING Broad spectrum of US hospitals (N = 769). PATIENTS Consecutively accrued series of patients with laryngeal cancer (N = 16,936), with only squamous cell carcinomas (N = 16,213) analyzed. INTERVENTIONS Surgery, radiation therapy, and chemotherapy. MAIN OUTCOME MEASURES Descriptive analyses of case-mix, diagnostic, and treatment characteristics plus recurrence and 5-year, disease-specific survival outcomes. RESULTS There was a slight increase across these years in stage IV disease and in radiation therapy (with or without surgery and/or chemotherapy). Overall diversity of management of this disease (by site and stage) was apparent. Five-year survival rates indicated a large difference between modified groupings of the T and N classifications, separating stages III and IV cases into localized disease (87.5% for T1-T2; 76.0% for T3-T4 cases) and regional metastasis (46.2%). CONCLUSIONS Regardless of improvements in entering data in hospital records (most commendably, staging), more rigorous standards are needed. Also, the small increase in advanced-stage patients indicates that efforts toward early detection have not been successful. The rise in radiation therapy perhaps reflected an increased use of nonsurgical treatment for early-stage patients and organ-sparing radiochemotherapy protocols for advanced-stage patients. Regrouping stages III and IV cases into localized disease vs regional metastasis appears to predict survival better. Ongoing refinements of the American Joint Committee on Cancer staging scheme will hopefully improve this cancer's classification.
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Affiliation(s)
- J P Shah
- Head and Neck Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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18
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Strickler HD, Schiffman MH, Eklund C, Glass AG, Scott DR, Sherman ME, Wacholder S, Kurman RJ, Manos MM, Schiller JT, Dillner J. Evidence for at least two distinct groups of humoral immune reactions to papillomavirus antigens in women with squamous intraepithelial lesions. Cancer Epidemiol Biomarkers Prev 1997; 6:183-8. [PMID: 9138661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Serological markers of squamous intraepithelial lesions (SILs), the precursors of cervical cancer, have not been studied extensively. To screen for antibody responses that might be associated with SILs, we measured IgG and/or IgA to nine antigens based on papillomaviruses, the infectious cause of SIL and cervical cancer, using an ELISA format. Cases were 59 women with low grade SIL (LSIL) and 38 with high grade SIL (HSIL). Controls were 50 women chosen to minimize the possibility that they ever had SILs [individuals who had no history of SIL and repeatedly tested negative for cervical human papillomavirus (HPV) DNA], frequency age-matched to cases. The data showed that five antibodies had strong positive associations with SILs and that one was inversely related to SILs. By studying these antibodies in pairs, furthermore, we found that case-control differences were enhanced. In particular, the combination of IgG to an epitope in the E6 protein of HPV 16 (E6:10) and IgA to HPV 16 virus-like particles (VLPs) was detected in 53% of LSILs and 65% of HSILs but only 9% of controls. These same responses were both negative in just 6% of LSILs and zero HSILs, compared to 59% of controls. Notably, E6:10 IgG and HPV 16 VLP IgA were not correlated with each other, and the other antibody responses positively associated with SILs could be broken into two groups: those correlated with E610 IgG and those correlated with HPV 16 VLP IgA. Overall, the data suggest that several papillomavirus antibodies may be strongly related to SILs, and that they can be divided into at least two independent groups of humoral immune reactions.
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Affiliation(s)
- H D Strickler
- National Cancer Institute, NIH, Bethesda, Maryland 20892, USA
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19
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Glass AG, La Chance PA, Vogt TM. Eighteen years of mammography experience in an HMO: 1975-1992. HMO Pract 1996; 10:184-9. [PMID: 10163836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
OBJECTIVE To describe the mammographic experience for the years 1975 to 1992 at Kaiser Permanente, Northwest Region (KPNW). SETTING Large, group practices HMO. DESIGN Clinical databases. PARTICIPANTS KPNW women in various subgroups. MAIN OUTCOME MEASURES Mammogram rates. RESULTS The rate of mammography at KPNW was fairly low (2% to 5%) until 1983, when it began to rise rapidly, almost exclusively as a result of a great increase in screening examinations of otherwise normal women. By 1992 the annual rate of mammography had increased to 40.2% for all women over age 40, and 52.4% for women aged 50 to 69. Women aged 40 to 49 and those over 70 had rates 10% to 15% lower than women aged 50 to 69. Summary figures for all KPNW women hide the striking effect of duration of membership in this HMO. Women aged 50 to 69 who had been members for at least 2 years had mammography rates (at least one examination in that 2-year period) of 75% to 76%. Longer membership resulted in gradually higher rates. The annual mammogram rate for women with 4 years of membership was 58%. CONCLUSIONS Though there may be significant personal barriers to regular mammography, the effect may be less important in the HMO setting. An efficient, organized system can effect high rates of mammographic screening. The longer a woman remains a member of such an organization the greater her likelihood of receiving regular screening mammograms.
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Affiliation(s)
- A G Glass
- Kaiser Permanente, Portland, OR 97227, USA
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20
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Wideroff L, Schiffman MH, Hoover R, Tarone RE, Nonnenmacher B, Hubbert N, Kirnbauer R, Greer CE, Lorincz AT, Manos MM, Glass AG, Scott DR, Sherman ME, Buckland J, Lowy D, Schiller J. Epidemiologic determinants of seroreactivity to human papillomavirus (HPV) type 16 virus-like particles in cervical HPV-16 DNA-positive and-negative women. J Infect Dis 1996; 174:937-43. [PMID: 8896493 DOI: 10.1093/infdis/174.5.937] [Citation(s) in RCA: 49] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
The epidemiologic determinants of seroreactivity to human papillomavirus (HPV) type 16 L1/L2 virus-like particles (VLPs) were assessed separately in HPV-16 DNA-positive and -negative women participating in a nested case-control study of incident cervical neoplasia. Seventy-four women with cervical HPV-16 DNA and 656 cytologically normal HPV-16 DNA-negative subjects were interviewed and tested at two time points for viral DNA and once (at the later time) for VLP seroreactivity. Among subjects who were currently HPV-16 DNA-negative, seroreactivity odds ratios increased from 2.9 for 2-5 male sex partners (vs. 0 or 1) to 5.4 for 6-9 partners and 14.0 for > or = 10. Thus, prior cervical infection may be a major determinant of seroreactivity in HPV-16 DNA-negative women. This trend was not observed in HPV-16 DNA-positive subjects. Seroreactivity was independently associated with oral contraceptive use, particularly in HPV-16 DNA-negative subjects with use for > or = 10 years. Consequently, a possible role for virus-steroid hormone interactions in seroconversion is suggested.
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Affiliation(s)
- L Wideroff
- Epidemiology and Biostatistics Program, National Cancer Institute, Bethesda, MD 20892-7374, USA
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21
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Fisher B, Dignam J, Mamounas EP, Costantino JP, Wickerham DL, Redmond C, Wolmark N, Dimitrov NV, Bowman DM, Glass AG, Atkins JN, Abramson N, Sutherland CM, Aron BS, Margolese RG. Sequential methotrexate and fluorouracil for the treatment of node-negative breast cancer patients with estrogen receptor-negative tumors: eight-year results from National Surgical Adjuvant Breast and Bowel Project (NSABP) B-13 and first report of findings from NSABP B-19 comparing methotrexate and fluorouracil with conventional cyclophosphamide, methotrexate, and fluorouracil. J Clin Oncol 1996; 14:1982-92. [PMID: 8683228 DOI: 10.1200/jco.1996.14.7.1982] [Citation(s) in RCA: 186] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
PURPOSE To compare sequential methotrexate (M) and fluorouracil (F) (M-->F) with surgery (National Surgical Adjuvant Breast and Bowel Project [NSABP] B-13) and cyclophosphamide (C), M, and F with M-->F (NSABP B-19), in patients with estrogen receptor (ER)-negative tumors and negative axillary nodes. PATIENTS AND METHODS A total of 760 patients were randomized to B-13; 1,095 patients with the same eligibility requirements were randomized to B-19. Disease-free survival (DFS), distant disease-free survival (DDFS), and survival were determined using life-table estimates. RESULTS A significant benefit in overall DFS (74% v 59%; P < .001) was demonstrated at 8 years in all B-13 patients who received M-->F (69% v 56% [P = .006] in those <or= 49 years of age, and 81% v 63% [P = .002] in those >or= 50 years). A survival advantage was evident in older patients (89% v 80%; P = .03). In B-19, through 5 years, an overall DFS advantage (82% v 73%; P < .001) and a borderline survival advantage (88% v 85%; P = .06) were evident with CMF. The DFS (84% v 72%; P < .001) and survival (89% v 84%; P = .04) benefits from CMF were greater in women aged <or= 49 years. M-->F or CMF after lumpectomy and breast irradiation resulted in a low probability of ipsilateral breast tumor recurrence (IBTR). In B-13, the frequency of IBTR was 2.6% following M-->F versus 13.4% in women treated by lumpectomy; it was 0.6% following CMF in B-19. Toxicity >or= grade 3 was more frequent among CMF patients in B-19. The age-related difference in CMF benefit was not related to amount of drug received. CONCLUSION M-->F and CMF are effective for node-negative patients with ER-negative tumors. The incidence of local-regional or distant metastases and IBTR decreased after either therapy. The benefit from either therapy was evident in all patients, but the CMF advantage was greater in those <or= 49 years. Because it is less toxic, M-->F may be used in patients with medical problems that would preclude CMF administration.
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Affiliation(s)
- B Fisher
- National Surgical Adjuvant Breast and Bowel Project Scientific Director's Office, Pittsburgh, PA 15261, USA.
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22
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Doody MM, Linet MS, Glass AG, Curtis RE, Pottern LM, Rush BB, Boice JD, Fraumeni JF, Friedman GD. Risks of non-Hodgkin's lymphoma, multiple myeloma, and leukemia associated with common medications. Epidemiology 1996; 7:131-9. [PMID: 8834551 DOI: 10.1097/00001648-199603000-00005] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
We utilized data from two Kaiser Permanente medical care programs to evaluate risks of hematopoietic and lymphoproliferative (HLP) malignancies after use of 14 common medications. The subjects were adult cases of non-Hodgkin's lymphoma (NHL) (N = 94), multiple myeloma (N = 159), and leukemia (N = 257) and individually matched controls (N = 695). Abstractors reviewed medical records and recorded medication notations. Using a minimum 5-year exposure lag between first notation and malignancy diagnosis, the risk of NHL was greater among plan members who were prescribed amphetamines [odds ratio (OR) = 2.2; 95% confidence interval (CI) = 1.1-4.8], lidocaine (OR = 2.6; 95% CI = 1.2-5.5), and meprobamate (OR = 2.1; 95% CI = 1.03-4.3). The risk of NHL rose with increasing number of medical record notations for amphetamines; however, there was no association with number of notations for lidocaine or meprobamate. The odds ratio for total leukemia was decreased among patients who took chloramphenicol (OR = 0.4; 95% CI = 0.2-0.97).
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Affiliation(s)
- M M Doody
- Radiation Epidemiology Branch, National Cancer Institute, Bethesda, MD 20892,
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23
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Wideroff L, Schiffman MH, Nonnenmacher B, Hubbert N, Kirnbauer R, Greer CE, Lowy D, Lorincz AT, Manos MM, Glass AG. Evaluation of seroreactivity to human papillomavirus type 16 virus-like particles in an incident case-control study of cervical neoplasia. J Infect Dis 1995; 172:1425-30. [PMID: 7594698 DOI: 10.1093/infdis/172.6.1425] [Citation(s) in RCA: 91] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
An ELISA to detect serum IgG antibody response to human papillomavirus (HPV) type 16 virus-like particles (VLPs) was evaluated in a case-control study of cervical neoplasia, nested within a prospective cohort study. Subjects included 688 controls with continued normal cytology and 152 cases with confirmed incident squamous intraepithelial lesions who were tested for DNA for a broad spectrum of HPV types at cohort and follow-up of controls, 16.6% were seropositive compared with 30.8% and 52.4% of cases with low- and high-grade lesions, respectively. Of HPV-16 DNA-negative subjects, 16.5% were seropositive. Seropositivity increased from 22.2% in subjects who were HPV-16 DNA-positive by polymerase chain reaction once only (enrollment or follow-up) to 83.3% in those who were HPV-16 DNA-positive at both time points. These data imply that serum antibody to HPV-16 VLPs is a relatively sensitive indicator of persisting cervical HPV-16 infection.
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Affiliation(s)
- L Wideroff
- Environmental Epidemiology and Biostatistics Branches, National Cancer Institute, Bethesda, MD 20892-7374, USA
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24
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Weinmann S, Glass AG, Weiss NS, Psaty BM, Siscovick DS, White E. Use of diuretics and other antihypertensive medications in relation to the risk of renal cell cancer. Am J Epidemiol 1994; 140:792-804. [PMID: 7977290 DOI: 10.1093/oxfordjournals.aje.a117328] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
In a population-based case-control study of the association between use of diuretics and renal cell cancer, 120 white men whose cancer was diagnosed during the years 1980-1991 and 86 white women diagnosed in 1960-1991 were identified among members of the Kaiser Permanente Northwest health plan. Controls were plan members who had been individually matched to cases on sex, race, age, and time period in the plan. Data on diuretic use and other selected variables were abstracted from outpatient and inpatient medical records. In an analysis confined to exposures present at least 2 years before case diagnosis, the odds ratios associated with any use of a diuretic drug were 2.2 (95% confidence interval 1.2-3.9) for men and 1.8 (95% confidence interval 1.01-3.2) for women. Increased duration of diuretic use was associated with an increased risk of renal cell cancer. This association was not restricted to one class of diuretic and was not confounded by cigarette smoking or body mass. Both hypertension and use of nondiuretic antihypertensive drugs were closely associated with diuretic use, and it was impossible to disentangle fully the effects of these three separate exposures. These results, together with those of prior studies, are generally compatible with the view that there is an association between diuretic use and the incidence of renal cell cancer, but the interpretation of that association remains in question.
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Affiliation(s)
- S Weinmann
- Department of Medicine, University of Washington, Seattle 98101-1448
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25
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Mamounas EP, Anderson S, Wickerham DL, Clark R, Stoller R, Hamm JT, Stewart JA, Bear HD, Glass AG, Bornstein R. The efficacy of recombinant human granulocyte colony-stimulating factor and recombinant human granulocyte macrophage colony-stimulating factor in permitting the administration of higher doses of cyclophosphamide in a doxorubicin-cyclophosphamide combination. An NSABP pilot study in patients with metastatic or high-risk primary breast cancer. National Surgical Adjuvant Breast and Bowel Project. Am J Clin Oncol 1994; 17:374-81; discussion 382. [PMID: 7522393 DOI: 10.1097/00000421-199410000-00002] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Colony-stimulating factors (CSFs) shorten the duration of myelosuppression following chemotherapy and, thus, allow the administration of higher doses. This study evaluates the efficacy of granulocyte macrophage colony-stimulating factor (GM-CSF) and granulocyte colony-stimulating factor (G-CSF) in allowing administration of high-dose cyclophosphamide in combination with doxorubicin. Ninety women with metastatic, locally advanced, or high-risk (> or = 10 positive nodes) breast cancer and no prior anthracycline treatment were given doxorubicin (60 mg/m2) with progressively increased doses of cyclophosphamide (1,200 mg/m2, 1,800 mg/m2, and 2,400 mg/m2). The first 60 patients received GM-CSF; the remaining 30, G-CSF. The maximum tolerated dose was not reached with 2,400 mg/m2 of cyclophosphamide. When compared to GM-CSF, G-CSF significantly reduced the duration of granulocytopenia (P < .001). No differences in duration of thrombocytopenia were noted. The results were not sufficiently consistent to indicate a trend toward reduction in rates of febrile neutropenia with one CSF versus the other. However, patients who received G-CSF were hospitalized less frequently than those receiving GM-CSF. With CSFs, high-dose cyclophosphamide in combination with doxorubicin can be safely administered on an outpatient basis. A shorter duration of granulocytopenia resulted from the use of G-CSF than from GM-CSF.
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Sherman ME, Schiffman MH, Lorincz AT, Manos MM, Scott DR, Kuman RJ, Kiviat NB, Stoler M, Glass AG, Rush BB. Toward objective quality assurance in cervical cytopathology. Correlation of cytopathologic diagnoses with detection of high-risk human papillomavirus types. Am J Clin Pathol 1994; 102:182-7. [PMID: 8042586 DOI: 10.1093/ajcp/102.2.182] [Citation(s) in RCA: 143] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Using The Bethesda System, five pathologists independently diagnosed 200 smears that originally had been classified as "atypical," and the results were correlated with concurrent detection of human papillomavirus (HPV) DNA by Southern analysis and by polymerase chain reaction amplification. The smears were reclassified as benign reactive changes (negative), atypical squamous cells of undetermined significance, or squamous intraepithelial lesion (SIL). Exact five-way cytologic agreement was achieved in only 29% of smears, and no slide was diagnosed as atypical squamous cells of undetermined significance by all reviewers. The detection of high-risk types of HPV correlated strongly with the likelihood of a diagnosis of squamous intraepithelial lesion. High-risk HPV types were detected in approximately 60% of smears reclassified as squamous intraepithelial lesion compared with 30% of those reclassified as atypical squamous cells of undetermined significance and 10% of negative smears (P < .001). Every smear unanimously diagnosed by the panel as squamous intraepithelial lesion was associated with detectable HPV DNA, mainly of high-risk types. Low-risk HPV DNA types were found with similar frequency in all diagnostic categories assigned by the reviewers. Based on the consistent relation between high-risk HPV detection and diagnoses according to the Bethesda System, the authors conclude that HPV testing may have an important role in quality assurance in cervical cytopathology.
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Affiliation(s)
- M E Sherman
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland
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Hildesheim A, Schiffman MH, Gravitt PE, Glass AG, Greer CE, Zhang T, Scott DR, Rush BB, Lawler P, Sherman ME. Persistence of type-specific human papillomavirus infection among cytologically normal women. J Infect Dis 1994; 169:235-40. [PMID: 8106758 DOI: 10.1093/infdis/169.2.235] [Citation(s) in RCA: 473] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Determinants of genital human papillomavirus (HPV) persistence in 393 women initially cytologically normal were investigated by testing them for HPV DNA twice over a median interval of 14.9 months. At each visit, interview information was obtained and a cervicovaginal lavage sample was collected for polymerase chain reaction-based HPV testing. Twenty-six percent of the women were HPV-positive at the first sampling. Data on HPV type was available for 86 HPV-positive women (84%); 35 of these women (41%) had persistent type-specific HPV detection. Persistence decreased with time between samplings. Women aged > or = 30 years had a higher percentage of persistence (65%) than those < or = 24 years (32%, P = .02). The percentage of persistence was higher among women infected with HPV types known to be cancer-associated (45%) than among those infected with other types (24%, P = .11). These findings were independent of each other and of timing between samplings. Although based on a prevalent cohort, these results are concordant with previous suggestions that HPV infection is usually transient and that cervical cancer may arise from within the subset of women with persistent HPV infection.
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Affiliation(s)
- A Hildesheim
- Epidemiology and Biostatistics Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892
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Strickler HD, Dillner J, Schiffman MH, Eklund C, Glass AG, Greer C, Scott DR, Sherman ME, Kurman RJ, Manos M. A seroepidemiologic study of HPV infection and incident cervical squamous intraepithelial lesions. Viral Immunol 1994; 7:169-77. [PMID: 7576031 DOI: 10.1089/vim.1994.7.169] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
The seroepidemiology of genital human papillomavirus (HPV) and incident cervical squamous intraepithelial lesions (SIL) was studied in subjects selected from a large cohort monitored for the development of SIL. Serum IgG and IgA responses to 10 epitopes derived from HPV were measured in 21 incident cases of SIL and 56 matched controls. Cases showed elevated antibody (i.e., IgG and/or IgA) seroprevalence to 245:16, a peptide antigen derived from the E2 open reading frame of HPV 16 (OR = 5.76; 95% CI: 1.24, 26.81). The type of HPV DNA detected in cervical lavage specimens had no effect on this relationship. Multivariate analysis also showed that IgG to 245:6, an analogous peptide derived from HPV 6, was negatively associated with SIL (OR = 0.12; 95% CI: 0.02, 0.77). No other antibody responses tested were associated with SIL. Furthermore, no antibody responses were positively associated with detection of HPV DNA in women without SIL. We conclude that incident SIL is positively associated with antibody to an epitope derived from the E2 region of HPV 16, and negatively associated with antibody to an analogous peptide derived from HPV 6. The seroepidemiology of incident SIL appears different from that of cervical HPV infection in the absence of SIL.
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Affiliation(s)
- H D Strickler
- Epidemiology and Biostatistics Program, National Cancer Institute, Bethesda, Maryland, USA
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Labuhn KT, Valanis BG, Glass AG, Vollmer WM. Implementing a cancer-control study in a National Cancer Institute clinical trials network. Cancer Pract 1994; 2:47-54. [PMID: 8055006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
In this article, a case study is presented to highlight issues involved in implementing a cancer-control project through one of the National Cancer Institute's collaborative clinical trials networks. Health and Occupational Exposure to Anti-Cancer Drugs was a two-phase epidemiologic investigation that focused on clarifying occupational health risks of anticancer drug handling. The National Cancer Institute approved the study as an official cancer-control protocol and awarded Community Clinical Oncology Program (CCOP) accrual credits to participating CCOP member institutions of the National Surgical Adjuvant Breast and Bowel Project (NSABP). Implementing the study through the NSABP network and the CCOP program had major advantages, including access to large numbers of study subjects, data on a wide range of drug exposure and health outcomes, and the NSABP's excellent resources for project operations. However, accruing study subjects and completing data collection in a timely manner were major challenges. The authors discuss organizational aspects of the study and review strategies they found to be effective in dealing with various implementation issues. Investigators planning cancer-control projects and clinicians helping to implement these projects may benefit from the authors' experience.
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Bauer HM, Hildesheim A, Schiffman MH, Glass AG, Rush BB, Scott DR, Cadell DM, Kurman RJ, Manos MM. Determinants of genital human papillomavirus infection in low-risk women in Portland, Oregon. Sex Transm Dis 1993; 20:274-8. [PMID: 8235925 DOI: 10.1097/00007435-199309000-00007] [Citation(s) in RCA: 153] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
OBJECTIVES To confirm the risk factors for genital human papillomavirus (HPV) infection. GOAL OF THIS STUDY To investigate risk factors for HPV detection independent of the correlated risk factors for cervical neoplasia in a low-risk population. STUDY DESIGN HPV DNA was assessed among 483 cytologically normal women with no known history of cervical neoplasia. A cervicovaginal lavage was collected for HPV detection and typing using a PCR-based DNA amplification system. Information on risk factors of subjects was obtained through a questionnaire. RESULTS HPV DNA was found in 17.7% of study women. On univariate analysis, factors associated with increasing HPV prevalence included younger age, fewer years of education, lower income, higher lifetime number of sex partners, lower age at first intercourse, nulliparity, oral contraceptive use, and current smoking. After statistical adjustment, we found younger age and higher number of sex partners were strongly and independently associated with higher HPV prevalence. We also observed increased HPV prevalence among women with lower levels of education and lower incomes. CONCLUSION These findings and corroborative data from the companion reports in this issue of the journal support the sexual route of transmission of the virus.
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Affiliation(s)
- H M Bauer
- Department of Infectious Diseases, Cetus Corporation, Emeryville, California
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Valanis BG, Vollmer WM, Labuhn KT, Glass AG. Acute symptoms associated with antineoplastic drug handling among nurses. Cancer Nurs 1993; 16:288-95. [PMID: 8402605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Antineoplastic drug handling in the absence of adequate protective measures has been associated with biological uptake of the drugs among pharmacists and nurses. This study investigated the association between occupational exposure to antineoplastics and the presence of acute symptoms in a nationwide sample of 2,048 nurses and nurses' aides. Reported skin contact with the drugs was associated with a small but statistically significant increase in reported symptoms. Although number of doses handled and extent of protection used were significantly associated with number of symptoms, their effect was not independent of skin contact.
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Affiliation(s)
- B G Valanis
- Kaiser Permanente Center for Health Research, Portland, OR 97227-1098
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Schiffman MH, Bauer HM, Hoover RN, Glass AG, Cadell DM, Rush BB, Scott DR, Sherman ME, Kurman RJ, Wacholder S. Epidemiologic evidence showing that human papillomavirus infection causes most cervical intraepithelial neoplasia. J Natl Cancer Inst 1993; 85:958-64. [PMID: 8388478 DOI: 10.1093/jnci/85.12.958] [Citation(s) in RCA: 764] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Experimental studies have provided strong evidence that human papillomavirus (HPV) is the long-sought venereal cause of cervical neoplasia, but the epidemiologic evidence has been inconsistent. PURPOSE Given improvements in HPV testing that have revealed a strong link between sexual activity history and cervical HPV infection, we conducted a large case-control study of HPV and cervical intraepithelial neoplasia (CIN) to evaluate whether sexual behavior and the other established risk factors for CIN influence risk primarily via HPV infection. METHODS We studied 500 women with CIN and 500 control subjects receiving cytologic screening at Kaiser Permanente, a large prepaid health plan, in Portland, Ore. The established epidemiologic risk factors for CIN were assessed by telephone interview. We performed HPV testing of cervicovaginal lavage specimens by gene amplification using polymerase chain reaction with a consensus primer to target the L1 gene region of HPV. Unconditional logistic regression analysis was used to estimate relative risk of CIN and to adjust the epidemiologic associations for HPV test results to demonstrate whether the associations were mediated by HPV. RESULTS The case subjects demonstrated the typical epidemiologic profile of CIN: They had more sex partners, more cigarette smoking, earlier ages at first sexual intercourse, and lower socioeconomic status. Statistical adjustment for HPV infection substantially reduced the size of each of these case-control differences. Seventy-six percent of cases could be attributed to HPV infection; the results of cytologic review suggested that the true percentage was even higher. Once HPV infection was taken into account, an association of parity with risk of CIN was observed in both HPV-negative and HPV-positive women. CONCLUSION The data show that the great majority of all grades of CIN can be attributed to HPV infection, particularly with the cancer-associated types of HPV. IMPLICATIONS In light of this conclusion, the investigation of the natural history of HPV has preventive as well as etiologic importance.
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Affiliation(s)
- M H Schiffman
- Epidemiology and Biostatistics Program, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892
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Valanis BG, Vollmer WM, Labuhn KT, Glass AG. Association of antineoplastic drug handling with acute adverse effects in pharmacy personnel. Am J Hosp Pharm 1993; 50:455-62. [PMID: 8442461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The relationship between occupational exposure to antineoplastic drugs and the presence of acute symptoms of exposure was investigated by questionnaire. Data were derived from a questionnaire distributed to 8566 pharmacists, pharmacy technicians, nurses, and nurse aids at 57 member institutions of the National Surgical Adjuvant Breast and Bowel Project nationwide. Of the 4659 respondents (54%), 1057 were pharmacists or pharmacy technicians; after exclusions, the sample size was 738. Data were collected on four handling activities: mixing of antineoplastic drugs, administering these drugs, cleaning up spills, and handling patient excreta. Information on mixing was divided into dose, duration, use of protection, and reported skin contact. Respondents indicated which of 27 acute symptoms they had experienced during the past three months. Handling of antineoplastics was associated with a small but significant increase in the number of symptoms compared with controls; reported skin contact was the most important predictor of symptoms. The number of doses handled and the extent of protection were significantly associated with the number of symptoms, but their effect was not independent of that of skin contact. Body mass was significantly associated with the number of symptoms in women but not men. Pharmacists and technicians who handle antineoplastic drugs reported more symptoms associated with exposure than did those who do not handle such agents. All available protective measures should be used.
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Affiliation(s)
- B G Valanis
- Kaiser Permanente Center for Health Research, Portland, OR 97215-1098
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Doody MM, Linet MS, Glass AG, Friedman GD, Pottern LM, Boice JD, Fraumeni JF. Leukemia, lymphoma, and multiple myeloma following selected medical conditions. Cancer Causes Control 1992; 3:449-56. [PMID: 1525326 DOI: 10.1007/bf00051358] [Citation(s) in RCA: 91] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The role of selected prior medical conditions in the etiology of hematopoietic malignancies was examined in a case-control study of members of two regional branches of the Kaiser Permanente Medical Care Program (USA). Past history of chronic infectious, autoimmune, allergic, and musculoskeletal disorders was abstracted from medical records for leukemia (n = 299), non-Hodgkin's lymphoma (NHL, n = 100), and multiple myeloma (n = 175) cases and matched controls (n = 787). Little difference was found between cases and controls for most of the chronic conditions evaluated, including sinusitis, carbuncles, urinary tract infections, pelvic infections, herpes zoster, asthma, rheumatoid arthritis, psoriasis, bursitis, and gout. Only three statistically significant elevated risks were found, i.e., with combined disc disease myeloma among patients with prior eczema and disk and other musculoskeletal conditions, and NHL following tuberculosis. Only two of these associations showed consistent patterns by sex and geographic region (myeloma with eczema and with musculoskeletal conditions). While prior history of eczema and musculoskeletal conditions may slightly increase risk of myeloma, this study provided little if any support for an association of chronic infectious, autoimmune, allergic, and musculoskeletal conditions with subsequent occurrence of the leukemias or NHL. Additionally, these data did not support a role for chronic antigenic stimulation, as defined in previous epidemiologic studies, in the etiology of hematopoietic malignancies.
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Affiliation(s)
- M M Doody
- Epidemiology and Biostatistics Program, National Cancer Institute, Bethesda, MD 20892
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35
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Boice JD, Morin MM, Glass AG, Friedman GD, Stovall M, Hoover RN, Fraumeni JF. Diagnostic x-ray procedures and risk of leukemia, lymphoma, and multiple myeloma. JAMA 1991; 265:1290-4. [PMID: 2053936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Exposure to diagnostic x-rays and the risk of leukemia, non-Hodgkin's lymphoma (NHL), and multiple myeloma were studied within two prepaid health plans. Adult patients with leukemia (n = 565), NHL (n = 318), and multiple myeloma (n = 208) were matched to controls (n = 1390), and over 25,000 x-ray procedures were abstracted from medical records. Dose response was evaluated by assigning each x-ray procedure a score based on estimated bone marrow dose. X-ray exposure was not associated with chronic lymphocytic leukemia, one of the few malignant conditions never linked to radiation (relative risk [RR], 0.66). For all other forms of leukemia combined (n = 358), there was a slight elevation in risk (RR, 1.17) but no evidence of a dose-response relationship when x-ray procedures near the time of diagnosis were excluded. Similarly, patients with NHL were exposed to diagnostic x-ray procedures more often than controls (RR, 1.32), but the RR fell to 0.99 when the exposure to diagnostic x-ray procedures within 2 years of diagnosis was ignored. For multiple myeloma, overall risk was not significantly high (RR, 1.14), but there was consistent evidence of increasing risk with increasing numbers of diagnostic x-ray procedures. These data suggest that persons with leukemia and NHL undergo x-ray procedures frequently just prior to diagnosis for conditions related to the development or natural history of their disease. There was little evidence that diagnostic x-ray procedures were causally associated with leukemia or NHL. The risk for multiple myeloma, however, was increased among those patients who were frequently exposed to x-rays.
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Affiliation(s)
- J D Boice
- Epidemiology and Biostatistics Program, National Cancer Institute, Bethesda, MD 20852
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Schiffman MH, Bauer HM, Lorincz AT, Manos MM, Byrne JC, Glass AG, Cadell DM, Howley PM. Comparison of Southern blot hybridization and polymerase chain reaction methods for the detection of human papillomavirus DNA. J Clin Microbiol 1991; 29:573-7. [PMID: 1645370 PMCID: PMC269821 DOI: 10.1128/jcm.29.3.573-577.1991] [Citation(s) in RCA: 116] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
A methodologic study was performed to compare the polymerase chain reaction (PCR) and Southern blot hybridization, two commonly used testing strategies for the detection of human papillomavirus (HPV) infection. Three laboratories tested masked aliquots of exfoliated cervical cell specimens obtained from 120 women by cervicovaginal lavage. The study population included 32 women with condylomatous atypia or cervical intraepithelial neoplasia and 88 control women with no known history of cervical neoplasia. Two laboratories used PCR with different sets of consensus primers for HPV detection. The third laboratory used low-stringency Southern blot hybridization to identify all HPV types, followed by high-stringency Southern and/or dot blot hybridization to confirm specific HPV types. One of the PCR primer sets detected HPV types with a differential efficiency that was not predicted by analysis of DNA sequences or direct testing of HPV-containing plasmids. In contrast, the second PCR primer set was shown to be a much broader consensus system, detecting the same HPV types as Southern blotting, though requiring much less clinical specimen. Over 80% of women with cervical intraepithelial neoplasia or condylomatous atypia were found to be HPV infected both by Southern blotting and by the second PCR primer set. Among the control women, 11% were HPV positive by Southern blotting, while 31% were positive with the second set of primers. Most of the HPV infections found only by PCR were not due to HPV type 6, 11, 16, 18, 31, 33, or 45. These known HPV types were uncommon among normal women in the study population, even as determined by the PCR method.
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Affiliation(s)
- M H Schiffman
- Environmental Epidemiology Branch, National Cancer Institute, Bethesda, Maryland 20892
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Fisher B, Redmond C, Legault-Poisson S, Dimitrov NV, Brown AM, Wickerham DL, Wolmark N, Margolese RG, Bowman D, Glass AG. Postoperative chemotherapy and tamoxifen compared with tamoxifen alone in the treatment of positive-node breast cancer patients aged 50 years and older with tumors responsive to tamoxifen: results from the National Surgical Adjuvant Breast and Bowel Project B-16. J Clin Oncol 1990; 8:1005-18. [PMID: 2189950 DOI: 10.1200/jco.1990.8.6.1005] [Citation(s) in RCA: 220] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The National Surgical Adjuvant Breast and Bowel Project (NSABP) conducted a randomized clinical trial to determine whether tamoxifen (TAM) plus chemotherapy is more effective than TAM alone in improving disease-free survival (DFS), distant disease-free survival (DDFS), and survival (S) of positive-node, TAM-responsive patients aged greater than or equal to 50 years. Women were randomized among three treatment groups: (1) TAM alone, (2) Adriamycin (doxorubicin; Adria Laboratories, Columbus, OH), cyclophosphamide, and TAM (ACT), or (3) melphalan (L-PAM), fluorouracil (5-FU), and TAM (PFT). The PFT arm was later modified so that new patients also received Adriamycin (PAFT). Findings from 1,124 eligible patients through 3 years of follow-up indicated a significantly better DFS for ACT-treated patients than for those receiving TAM alone (84% v 67%; P = .0004). An advantage in DDFS and S was also observed after ACT therapy (83% v 73% [P = .04 in the former] and 93% v 85% [P = .04 in the latter]). Both the DFS and DDFS of PAFT-treated patients were better than in those treated by TAM alone (83% v 66%, P = .0002 and 85% v 73%, P = .003). PFT patients also fared better in DFS and DDFS than TAM patients (81% v 72%, P = .07 and 85% v 74%, P = .02). Odds ratios consistently favored the three TAM-plus-chemotherapy groups. No significant S advantage is as yet evident in favor of the PAFT or PFT groups. Of importance is the failure of these studies to demonstrate an unfavorable interaction between the drug regimens used and the TAM, which was administered simultaneously. The findings related to the use of PAFT and PFT are of more biologic than clinical significance since L-PAM is rarely used in the treatment of breast cancer. The major conclusion from this study is the observance of a better outcome in positive-node breast cancer patients aged greater than or equal to 50 years from the use of postoperative prolonged TAM and short-course AC therapy (completed in 63 days) than from prolonged TAM therapy alone.
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Affiliation(s)
- B Fisher
- National Surgical Adjuvant Breast and Bowel Project, Pittsburgh, PA 15261
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Abstract
We used the population-based tumor registry of Kaiser Permanente in the United States (Portland, OR) to analyze breast cancer incidence from 1960 to 1985. Overall, incidence rose 45% during this period. The largest increases occurred in women 60 years of age or older (74%) and in those 45-59 (36%). The rate in women aged 20-44 has remained essentially unchanged. Localized and regional disease showed similar increases. Review of medical records revealed that only a small portion of this increase was likely to result from increased screening activities. From the increased availability of receptor assays in a large proportion of cases since the mid-1970s, we observed that incidence of estrogen receptor-negative cancers rose 22%-27% between the mid-1970s and the mid-1980s. In contrast, incidence of estrogen receptor-positive tumors increased an average of 131% in the same period, perhaps implicating hormonal factors in the rising incidence of breast cancer.
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Affiliation(s)
- A G Glass
- Center for Health Research, Kaiser Permanente, Portland, OR
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Affiliation(s)
- A G Glass
- Center for Health Research, Kaiser Permanente, Portland, Ore
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Abstract
The number of Americans enrolled in HMOs continues to rise from year to year. This phenomenon has resulted in major changes in the practice of medicine in this country. It also offers many opportunities for research, both in oncology and in other fields.
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Smith JA, Glode LM, Wettlaufer JN, Stein BS, Glass AG, Max DT, Anbar D, Jagst CL, Murphy GP. Clinical effects of gonadotropin-releasing hormone analogue in metastatic carcinoma of prostate. Urology 1985; 25:106-14. [PMID: 3918369 DOI: 10.1016/0090-4295(85)90523-0] [Citation(s) in RCA: 67] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Leuprolide is a new, potent analogue of gonadotropin-releasing hormone which, after an initial transient stimulation, causes a profound suppression of serum gonadotropins and testosterone. One hundred eighteen patients with advanced carcinoma of the prostate have undergone treatment with leuprolide in a multi-institutional trial. Minimal evidence of objective response was seen in patients who had failed prior endocrine therapy with orchiectomy or estrogens. In patients without previous hormonal treatment, leuprolide induced an objective disease response (72%) comparable to alternative primary endocrine therapy. Considering the lack of significant side effects seen with long-term GnRH agonists, compounds such as leuprolide may prove to be the preferred initial endocrine therapy for selected patients with metastatic carcinoma of the prostate.
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Glass AG. The Alexander Graham Bell syndrome. S Afr Med J 1979; 55:275. [PMID: 441874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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43
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Glass AG, Mantel N, Gunz FW, Spears GF. Time-space clustering of childhood leukemia in New Zealand. J Natl Cancer Inst 1971; 47:329-36. [PMID: 5559240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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Priester WA, Glass AG, Waggoner NS. Congenital defects in domesticated animals: general considerations. Am J Vet Res 1970; 31:1871-9. [PMID: 5528341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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45
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46
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Glass AG, Fraumeni JF. Epidemiology of bone cancer in children. J Natl Cancer Inst 1970; 44:187-99. [PMID: 11515030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023] Open
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47
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Glass AG, Mantel N. Lack of time-space clustering of childhood leukemia in Los Angeles County, 1960-1964. Cancer Res 1969; 29:1995-2001. [PMID: 5358216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Fraumeni JF, Glass AG. Wilms' tumor and congenital aniridia. JAMA 1968; 206:825-8. [PMID: 4300348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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50
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Oleinick A, Glass AG. Follow-up of infectious lymphocytosis cases. Pediatrics 1968; 42:712-3. [PMID: 5681296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
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