Open Access Policy Articles

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A common language for Gulf War Illness (GWI) research studies: GWI common data elements
(Elsevier, 2022) Cohen, Devra E.; Sullivan, Kimberly A.; McNeil, Rebecca B.; Gulf War Illness Common Data Elements Working Group; Symptoms Assessment Working Group; McNeil, Rebecca B.; Ashford, Wes; Bested, Alison; Bunker, James; Cheema, Amanpreet; Cohen, Devra E.; Cook, Dane; Cournoyer, Jeffrey; Craddock, Travis; Golier, Julia; Hardie, Anthony; Helmer, Drew; Lindheimer, Jacob B.; Janulewicz Lloyd, Patricia; Kerr, Kathleen; Krengel, Maxine; Nadkarni, Shree; Nugent, Shannon; Paris, Bonnie; Reinhard, Matthew; Rumm, Peter; Schneiderman, Aaron; Sims, Kellie J.; Steele, Lea; Turner, Marsha; Systems Assessment Working Group; Sullivan, Kimberly A.; Abdullah, Laila; Abreu, Maria; Abu-Donia, Mohamed; Aenlle, Kristina; Arocho, Jimmy; Balbin, Elizabeth; Baraniuk, James; Block, Karen; Block, Michelle; DeBeer, Bryann; Engdahl, Brian; Filipov, Nikolay; Fletcher, Mary Ann; Kalasinsky, Victor; Kokkotou, Efi; Lidie, Kristy; Little, Deborah; Loging, William; Morris, Marianna; Nathanson, Lubov; Nichols, Montra Denise; Pasinetti, Giulio; Shungu, Dikoma; Waziry, Paula; VanLeeuwen, Jon; Younger, Jarred; Pharmacology and Toxicology, School of Medicine
Aims: The Gulf War Illness programs (GWI) of the United States Department of Veteran Affairs and the Department of Defense Congressionally Directed Medical Research Program collaborated with experts to develop Common Data Elements (CDEs) to standardize and systematically collect, analyze, and share data across the (GWI) research community. Main methods: A collective working group of GWI advocates, Veterans, clinicians, and researchers convened to provide consensus on instruments, case report forms, and guidelines for GWI research. A similar initiative, supported by the National Institute of Neurologic Disorders and Stroke (NINDS) was completed for a comparative illness, Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS), and provided the foundation for this undertaking. The GWI working group divided into two sub-groups (symptoms and systems assessment). Both groups reviewed the applicability of instruments and forms recommended by the NINDS ME/CFS CDE to GWI research within specific domains and selected assessments of deployment exposures. The GWI CDE recommendations were finalized in March 2018 after soliciting public comments. Key findings: GWI CDE recommendations are organized in 12 domains that include instruments, case report forms, and guidelines. Recommendations were categorized as core (essential), supplemental-highly recommended (essential for specified conditions, study types, or designs), supplemental (commonly collected, but not required), and exploratory (reasonable to use, but require further validation). Recommendations will continually be updated as GWI research progresses. Significance: The GWI CDEs reflect the consensus recommendations of GWI research community stakeholders and will allow studies to standardize data collection, enhance data quality, and facilitate data sharing.
Systematic review of frequency of felt and enacted stigma in epilepsy and determining factors and attitudes toward persons living with epilepsy-Report from the International League Against Epilepsy Task Force on Stigma in Epilepsy
(Wiley, 2022) Kwon, Churl-Su; Jacoby, Ann; Ali, Amza; Austin, Joan; Birbeck, Gretchen L.; Braga, Patricia; Cross, J. Helen; de Boer, Hanneke; Dua, Tarun; Fernandes, Paula T.; Fiest, Kirsten M.; Goldstein, Jonathan; Haut, Sheryl; Lorenzetti, Diane; Mifsud, Janet; Moshe, Solomon; Parko, Karen L.; Tripathi, Manjari; Wiebe, Samuel; Jette, Nathalie; School of Nursing
Objective: To review the evidence of felt and enacted stigma and attitudes toward persons living with epilepsy, and their determining factors. Methods: Thirteen databases were searched (1985-2019). Abstracts were reviewed in duplicate and data were independently extracted using a standardized form. Studies were characterized using descriptive analysis by whether they addressed "felt" or "enacted" stigma and "attitudes" toward persons living with epilepsy. Results: Of 4234 abstracts, 132 met eligibility criteria and addressed either felt or enacted stigma and 210 attitudes toward epilepsy. Stigma frequency ranged broadly between regions. Factors associated with enacted stigma included low level of knowledge about epilepsy, lower educational level, lower socioeconomic status, rural areas living, and religious grouping. Negative stereotypes were often internalized by persons with epilepsy, who saw themselves as having an "undesirable difference" and so anticipated being treated differently. Felt stigma was associated with increased risk of psychological difficulties and impaired quality of life. Felt stigma was linked to higher seizure frequency, recency of seizures, younger age at epilepsy onset or longer duration, lower educational level, poorer knowledge about epilepsy, and younger age. An important finding was the potential contribution of epilepsy terminology to the production of stigma. Negative attitudes toward those with epilepsy were described in 100% of included studies, and originated in any population group (students, teachers, healthcare professionals, general public, and those living with epilepsy). Better attitudes were generally noted in those of younger age or higher educational status. Significance: Whatever the specific beliefs about epilepsy, implications for felt and enacted stigma show considerable commonality worldwide. Although some studies show improvement in attitudes toward those living with epilepsy over time, much work remains to be done to improve attitudes and understand the true occurrence of discrimination against persons with epilepsy.
Epilepsy-related stigma and attitudes: Systematic review of screening instruments and interventions - Report by the International League Against Epilepsy Task Force on Stigma in Epilepsy
(Wiley, 2022) Austin, Joan K.; Birbeck, Gretchen; Parko, Karen; Kwon, Churl-Su; Fernandes, Paula T.; Braga, Patricia; Fiest, Kirsten M.; Ali, Amza; Cross, J. Helen; de Boer, Hanneke; Dua, Tarun; Haut, Sheryl R.; Jacoby, Ann; Lorenzetti, Diane L.; Mifsud, Janet; Moshé, Solomon L.; Tripathi, Manjari; Wiebe, Samuel; Jette, Nathalie; School of Nursing
Objective: This is a systematic review aimed at summarizing the evidence related to instruments that have been developed to measure stigma or attitudes toward epilepsy and on stigma-reducing interventions. Methods: This review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) standards. A broad literature search (1985-2019) was performed in 13 databases. Articles were included if they described the development and testing of psychometric properties of an epilepsy-related stigma or attitude scale or stigma-reducing interventions. Two reviewers independently screened abstracts, reviewed full-text articles, and extracted data. Basic descriptive statistics are reported. Results: We identified 4234 abstracts, of which 893 were reviewed as full-text articles. Of these, 38 met inclusion criteria for an instrument development study and 30 as a stigma-reduction intervention study. Most instruments were initially developed using well-established methods and were tested in relatively large samples. Most intervention studies involved educational programs for adults with pre- and post-evaluations of attitudes toward people with epilepsy. Intervention studies often failed to use standardized instruments to quantify stigmatizing attitudes, were generally underpowered, and often found no evidence of benefit or the benefit was not sustained. Six intervention studies with stigma as the primary outcome had fewer design flaws and showed benefit. Very few or no instruments were validated for regional languages or culture, and there were very few interventions tested in some regions. Significance: Investigators in regions without instruments should consider translating and further developing existing instruments rather than initiating the development of new instruments. Very few stigma-reduction intervention studies for epilepsy have been conducted, study methodology in general was poor, and standardized instruments were rarely used to measure outcomes. To accelerate the development of effective epilepsy stigma-reduction interventions, a paradigm shift from disease-specific, siloed trials to collaborative, cross-disciplinary platforms based upon unified theories of stigma transcending individual conditions will be needed.
Coffee Intake of Colorectal Cancer Patients and Prognosis According to Histopathologic Lymphocytic Reaction and T-Cell Infiltrates
(Elsevier, 2022) Ugai, Tomotaka; Haruki, Koichiro; Väyrynen, Juha P.; Borowsky, Jennifer; Fujiyoshi, Kenji; Lau, Mai Chan; Akimoto, Naohiko; Zhong, Rong; Kishikawa, Junko; Arima, Kota; Shi, Shan-shan; Zhao, Melissa; Fuchs, Charles S.; Zhang, Xuehong; Giannakis, Marios; Song, Mingyang; Nan, Hongmei; Meyerhardt, Jeffrey A.; Wang, Molin; Nowak, Jonathan A.; Ogino, Shuji; Global Health, School of Public Health
Given previous biological evidence of immunomodulatory effects of coffee, we hypothesized that the association between coffee intake of colorectal cancer patients and survival differs by immune responses. Using a molecular pathological epidemiology database of 4,465 incident colorectal cancer cases, including 1,262 cases with molecular data, in the Nurses’ Health Study and the Health Professionals Follow-up Study, we examined the association between coffee intake of colorectal cancer patients and survival in strata of levels of histopathologic lymphocytic reaction and T-cell infiltrates in tumor tissue. We did not observe a significant association of coffee intake with colorectal cancer-specific mortality [multivariable-adjusted hazard ratio (HR) for one cup increase of coffee intake per day, 0.93; 95% confidence interval (CI), 0.84-1.03]. Although statistical significance was not reached at the stringent level (α=0.005), the association of coffee intake with colorectal cancer-specific mortality differed by Crohn's-like lymphoid reaction (Pinteraction=.007). Coffee intake was associated with lower colorectal cancer-specific mortality in patients with high Crohn's-like reaction (multivariable HR for one cup increase of coffee intake per day, 0.55; 95% CI, 0.37–0.81; Ptrend=.002), but not in patients with intermediate Crohn's-like reaction (the corresponding HR, 1.02; 95% CI, 0.72–1.44) or negative/low Crohn's-like reaction (the corresponding HR, 0.95; 95% CI, 0.83–1.07). The associations of coffee intake with colorectal cancer-specific mortality did not significantly differ by levels of other lymphocytic reaction or any T-cell subset (Pinteraction>.18). There is suggestive evidence for differential prognostic effects of coffee intake by Crohn’s-like lymphoid reaction in colorectal cancer.
Clinical Predictors of Functional Cure in Children 1–6 Years-old with Chronic Hepatitis B
(Xia & He, 2022) Pan, Jing; Wang, Haiyan; Yao, Tiantian; Liao, Xuejiao; Cheng, Hao; Liangpunsakul, Suthat; Wang, Yan; Zhang, Min; Zhang, Zheng; Medicine, School of Medicine
Background and aims: Hepatitis B surface antigen (HBsAg) clearance is significantly more common in children with chronic hepatitis B (CHB) than in adults; however, the possible influencing factors related to HBsAg loss have yet to be found. This study aimed to explore the efficacy of long-term interferon (IFN)α therapy in treating children with CHB and analyzed the factors influencing functional cure after treatment. Methods: A total of 236 children aged 1-6 years and diagnosed with CHB via liver biopsy were included in the study, all receiving IFNα treatment (IFNα-2b monotherapy, IFNα-2b followed by lamivudine [LAM] or IFNα-2b combined with LAM) and followed up for 144 weeks. A comprehensive analysis was conducted on clinical data, including biochemical items, serum markers of hepatitis B virus (HBV) and immunological indexes, and logistic regression analysis was used to screen the influencing factors related to HBsAg loss. Results: The cumulative loss rates of HBsAg were 79.5%, 62.1% and 42.1% at 144 weeks after the start of treatment in the 1-3 years-old group, 3-5 years-old group and 5-7 years-old group, respectively (p<0.05). IFNα-2b combined with LAM treatment displayed the highest HBsAg loss rates compared with monotherapy and sequential treatment (p=0.011). Younger baseline age and lower HBsAg levels were independent factors for the prediction of HBsAg loss (p<0.05). The baseline PreS1 and hepatitis B core antibody levels in the HBsAg loss group were lower than those in the HBsAg non-loss group. In addition, the PreS1 level was positively corelated with the level of HBsAg, HBV DNA and liver inflammation. Conclusions: Long-term treatment with IFNα was effective in achieving HBsAg loss in CHB children aged 1-6 years-old. Age less than 3 years-old and lower HBsAg levels are independent predictors of functional cure in children with CHB.
Development of Alcohol-Associated Hepatitis Is Associated With Specific Changes in Gut-Modified Bile Acids
(Wolters Kluwer, 2022) Muthiah, Mark D.; Smirnova, Ekaterina; Puri, Puneet; Chalasani, Naga; Shah, Vijay H.; Kiani, Calvin; Taylor, Stephanie; Mirshahi, Faridoddin; Sanyal, Arun J.; Medicine, School of Medicine
The perturbations in bile acids (BAs) in alcohol-associated hepatitis (AH) and its relationship to disease severity is not well defined. The aims of this study were to define (1) the effects of heavy alcohol consumption on BAs and related microbiome, (2) the additional changes with AH, and (3) the relationship of these changes to disease severity. In this multicenter study, plasma and fecal BAs and related microbiome were interrogated in healthy individuals, heavy drinking controls (HDCs) without overt liver disease, and AH. Compared to healthy controls, HDCs had increased glycine-conjugated 7α and 27α primary BAs and increased secondary BA glycocholenic sulfate (multiple-comparison adjusted P < 0.05 for all). Plasma-conjugated cholic and chenodeoxycholic acid increased in AH along with the secondary BAs ursodeoxycholic and lithocholic acid (P < 0.001 for all), whereas deoxycholic acid decreased; however fecal concentrations of both deoxycholic acid and lithocholic acid were decreased. Glycocholenic acid further increased significantly from HDCs to AH. HDCs and AH had distinct plasma and fecal BA profiles (area under the curve, 0.99 and 0.93, respectively). Plasma taurochenodeoxycholic acid and tauroursodeoxycholic acid were directly related to disease severity, whereas fecal ursodeoxycholic acid was inversely related. The fecal abundance of multiple taxa involved in formation of secondary BAs, especially deoxycholic acid (Clostridium cluster XIVa) was decreased in AH. Multiple genera containing taxa expressing 3α, 3β, 7α, and 7β epimerases were decreased with concordant changes in fecal BAs that required these functions for formation. Conclusion: There are distinct changes in BA-transforming microbiota and corresponding BAs in AH that are related to disease severity.
Unintended Consequences of Antibiotic Therapy on the Microbiome Delivers a Gut Punch in Ovarian Cancer
(Cancer Research, 2022-12-22) Hawkins, Shannon M.; Nephew, Kenneth P.; Obstetrics and Gynecology, School of Medicine
While the early use of antibiotics during chemotherapy may be lifesaving, antibiotic therapy is associated with worse outcomes in patients with ovarian cancer during platinum chemotherapy. The study by Chambers and colleagues in this issue of Cancer Research provides mechanistic insights into how disrupting the gut microbiome with broad-spectrum antibiotics negatively influences the survival of patients with ovarian cancer and highlights the impact of the gut microbiome on tumor progression and response to therapy. Treatment of ovarian cancer models with a broad-spectrum antibiotic cocktail (ABX, vancomycin, neomycin sulfate, metronidazole, ampicillin) changed the gut microbiome and increased tumor growth and development of cisplatin resistance. Stem cells, reported to drive resistance to chemotherapy and disease recurrence in ovarian cancer, were enriched as a surprising consequence of ABX-induced microbiome disruption. Immune-competent and immune-deficient mice revealed that ABX treatment enhanced the cisplatin-induced stemness and provided evidence for immune surveillance of ovarian cancer stem cells through the gut microbiome. Two gut-derived metabolites, indole-3-propionic acid and indoxyl sulfate, suppressed by ABX treatment and reestablished with cecal microbial transplantation colonization of ABX-treated mice, were identified as potential effectors connecting the gut microbiome to ovarian cancer growth. This clinically relevant study opens new therapeutic opportunities for patients—one aimed at interventions to increase platinum sensitivity and another aimed at preventing the potential adverse effects of broad-spectrum antibiotic treatment. Both represent paradigm changes to standard care.
Adjuvant Palbociclib for Early Breast Cancer: The PALLAS Trial Results (ABCSG-42/AFT-05/BIG-14-03)
(American Society of Clinical Oncology, 2022) Gnant, Michael; Dueck, Amylou C.; Frantal, Sophie; Martin, Miguel; Burstein, Hal J.; Greil, Richard; Fox, Peter; Wolff, Antonio C.; Chan, Arlene; Winer, Eric P.; Pfeiler, Georg; Miller, Kathy D.; Colleoni, Marco; Suga, Jennifer M.; Rubovsky, Gabor; Bliss, Judith M.; Mayer, Ingrid A.; Singer, Christian F.; Nowecki, Zbigniew; Hahn, Olwen; Thomson, Jacqui; Wolmark, Norman; Amillano, Kepa; Rugo, Hope S.; Steger, Guenther G.; Hernando Fernández de Aránguiz, Blanca; Haddad, Tufia C.; Perelló, Antonia; Bellet, Meritxell; Fohler, Hannes; Metzger Filho, Otto; Jallitsch-Halper, Anita; Solomon, Kadine; Schurmans, Céline; Theall, Kathy P.; Lu, Dongrui R.; Tenner, Kathleen; Fesl, Christian; DeMichele, Angela; Mayer, Erica L.; PALLAS groups and investigators; Medicine, School of Medicine
Purpose: Palbociclib is a cyclin-dependent kinase 4 and 6 inhibitor approved for advanced breast cancer. In the adjuvant setting, the potential value of adding palbociclib to endocrine therapy for hormone receptor-positive breast cancer has not been confirmed. Patients and methods: In the prospective, randomized, phase III PALLAS trial, patients with hormone receptor-positive, human epidermal growth factor receptor 2-negative early breast cancer were randomly assigned to receive 2 years of palbociclib (125 mg orally once daily, days 1-21 of a 28-day cycle) with adjuvant endocrine therapy or adjuvant endocrine therapy alone (for at least 5 years). The primary end point of the study was invasive disease-free survival (iDFS); secondary end points were invasive breast cancer-free survival, distant recurrence-free survival, locoregional cancer-free survival, and overall survival. Results: Among 5,796 patients enrolled at 406 centers in 21 countries worldwide over 3 years, 5,761 were included in the intention-to-treat population. At the final protocol-defined analysis, at a median follow-up of 31 months, iDFS events occurred in 253 of 2,884 (8.8%) patients who received palbociclib plus endocrine therapy and in 263 of 2,877 (9.1%) patients who received endocrine therapy alone, with similar results between the two treatment groups (iDFS at 4 years: 84.2% v 84.5%; hazard ratio, 0.96; CI, 0.81 to 1.14; P = .65). No significant differences were observed for secondary time-to-event end points, and subgroup analyses did not show any differences by subgroup. There were no new safety signals for palbociclib in this trial. Conclusion: At this final analysis of the PALLAS trial, the addition of adjuvant palbociclib to standard endocrine therapy did not improve outcomes over endocrine therapy alone in patients with early hormone receptor-positive breast cancer.
Association of N-Terminal Pro-Brain Natriuretic Peptide Concentration in Early Pregnancy With Development of Hypertensive Disorders of Pregnancy and Future Hypertension
(American Medical Association, 2022) Hauspurg, Alisse; Marsh, Derek J.; McNeil, Rebecca B.; Bairey Merz, C. Noel; Greenland, Philip; Straub, Adam C.; Rouse, Caroline E.; Grobman, William A.; Pemberton, Victoria L.; Silver, Robert M.; Chen, Yii-Der Ida; Mercer, Brian M.; Levine, Lisa D.; Hameed, Afshan; Hoffman, Matthew K.; Simhan, Hyagriv N.; Catov, Janet M.; NICHD nuMoM2b and NHLBI nuMoM2b Heart Health Study Networks; Obstetrics and Gynecology, School of Medicine
Importance: Hypertensive disorders of pregnancy are associated with future cardiovascular disease, perhaps because of subclinical cardiac dysfunction before pregnancy leading to impaired adaptation to pregnancy. Natriuretic peptides are promising biomarkers for detecting subclinical cardiac dysfunction outside of pregnancy. Objective: To investigate whether higher concentrations of N-terminal pro-brain natriuretic peptide (NT-proBNP) in early pregnancy would be associated with hypertensive disorders of pregnancy and hypertension 2 to 7 years post partum. Design, setting, and participants: This cohort study used data from the The Nulliparous Pregnancy Outcomes Study: Monitoring Mothers-to-Be Heart Health Study, a prospective multicenter observational study. A total of 4103 nulliparous women with complete data and no prepregnancy hypertension or diabetes who were treated at 8 clinical sites were included. Women were followed up with for 2 to 7 years after pregnancy. Data were collected from October 2010 to October 2017, and data were analyzed from August 2020 to November 2021. Exposures: NT-proBNP concentration, measured using an electrochemiluminescence immunoassay from a first-trimester blood sample. Main outcomes and measures: Hypertensive disorders of pregnancy and incident hypertension (systolic blood pressure of 130 mm Hg or diastolic blood pressure of 80 mm Hg or use of antihypertensive agents) at follow-up visit. Results: A total of 4103 women met inclusion criteria; the mean (SD) age was 27.0 (5.6) years. Among these women, 909 (22.2%) had an adverse pregnancy outcome, and 817 (19.9%) had hypertension at the follow-up visit. Higher NT-proBNP concentrations were associated with a lower risk of hypertensive disorders of pregnancy (adjusted odds ratio per doubling, 0.81; 95% CI, 0.73-0.91), which persisted after adjustment for age, self-reported race and ethnicity, early-pregnancy body mass index, smoking, and aspirin use. Similarly, higher NT-proBNP concentration in early pregnancy was also associated with a lower risk of incident hypertension 2 to 7 years after delivery (adjusted odds ratio per doubling, 0.84; 95% CI, 0.77-0.93), an association that persisted after controlling for confounders, including hypertensive disorders of pregnancy. Conclusions and relevance: In this cohort study, higher NT-proBNP concentrations in early pregnancy were associated with a lower risk of hypertensive disorders of pregnancy and hypertension 2 to 7 years post partum. These findings suggest that normal early-pregnancy cardiovascular physiology, as assessed by NT-proBNP concentration, may provide biologic insights into both pregnancy outcome and cardiovascular disease risk.
Predictors of Plasmodium falciparum Infection in the First Trimester Among Nulliparous Women From Kenya, Zambia, and the Democratic Republic of the Congo
(Oxford University Press, 2022) Leuba, Sequoia I.; Westreich, Daniel; Bose, Carl L.; Powers, Kimberly A.; Olshan, Andy; Taylor, Steve M.; Tshefu, Antoinette; Lokangaka, Adrien; Carlo, Waldemar A.; Chomba, Elwyn; Liechty, Edward A.; Bucher, Sherri L.; Esamai, Fabian; Jessani, Saleem; Saleem, Sarah; Goldenberg, Robert L.; Moore, Janet; Nolen, Tracy; Hemingway-Foday, Jennifer; McClure, Elizabeth M.; Koso-Thomas, Marion; Derman, Richard J.; Hoffman, Matthew; Bauserman, Melissa; Pediatrics, School of Medicine
Background: Malaria can have deleterious effects early in pregnancy, during placentation. However, malaria testing and treatment are rarely initiated until the second trimester, leaving pregnancies unprotected in the first trimester. To inform potential early intervention approaches, we sought to identify clinical and demographic predictors of first-trimester malaria. Methods: We prospectively recruited women from sites in the Democratic Republic of the Congo (DRC), Kenya, and Zambia who participated in the ASPIRIN (Aspirin Supplementation for Pregnancy Indicated risk Reduction In Nulliparas) trial. Nulliparous women were tested for first-trimester Plasmodium falciparum infection by quantitative polymerase chain reaction. We evaluated predictors using descriptive statistics. Results: First-trimester malaria prevalence among 1513 nulliparous pregnant women was 6.3% (95% confidence interval [CI], 3.7%-8.8%] in the Zambian site, 37.8% (95% CI, 34.2%-41.5%) in the Kenyan site, and 62.9% (95% CI, 58.6%-67.2%) in the DRC site. First-trimester malaria was associated with shorter height and younger age in Kenyan women in site-stratified analyses, and with lower educational attainment in analyses combining all 3 sites. No other predictors were identified. Conclusions: First-trimester malaria prevalence varied by study site in sub-Saharan Africa. The absence of consistent predictors suggests that routine parasite screening in early pregnancy may be needed to mitigate first-trimester malaria in high-prevalence settings.

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