72 research outputs found
Youth Ambassadors Reaching Out (YARO): Lessons learned from the implementation of a youth-based cancer education program
We know that many factors contribute to the exacerbation of cancer health disparities. These inequities observed in adulthood may have originated from behaviors occurring in early adolescence. We believe that increasing awareness of cancer prevention in youth may help reduce future disparities. Our community partners identified a need for youth-oriented cancer prevention and helped design the pilot Youth Ambassadors Reaching Out (YARO) program. YARO provided cancer prevention and health disparities education and exposure to health careers to 73 middle school students between 2012-2016. YARO included didactic sessions (health disparities, smoking prevention, physical activity, nutrition), a cancer center tour, and Photovoice project. Students were encouraged to serve as ambassadors by sharing lessons learned with others. Participants demonstrated increases in cancer prevention knowledge during the program. Evaluation data revealed that students served as ambassadors by sharing information with others about healthy behaviors, improving their own health habits, and volunteering in their communities
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Thiopurine monotherapy is effective in ulcerative colitis but significantly less so in Crohn’s disease: long-term outcomes for 11 928 patients in the UK inflammatory bowel disease bioresource
Objective: Thiopurines are widely used as maintenance therapy in inflammatory bowel disease (IBD) but the evidence base for their use is sparse and their role increasingly questioned. Using the largest series reported to date, we assessed the long-term effectiveness of thiopurines in ulcerative colitis (UC) and Crohn’s disease (CD), including their impact on need for surgery. Design: Outcomes were assessed in 11 928 patients (4968 UC, 6960 CD) in the UK IBD BioResource initiated on thiopurine monotherapy with the intention of maintaining medically induced remission. Effectiveness was assessed retrospectively using patient-level data and a definition that required avoidance of escalation to biological therapy or surgery while on thiopurines. Analyses included overall effectiveness, time-to-event analysis for treatment escalation and comparison of surgery rates in patients tolerant or intolerant of thiopurines. Results: Using 68 132 patient-years of exposure, thiopurine monotherapy appeared effective for the duration of treatment in 2617/4968 (52.7%) patients with UC compared with 2378/6960 (34.2%) patients with CD (p<0.0001). This difference was corroborated in a multivariable analysis: after adjusting for variables including treatment era, thiopurine monotherapy was less effective in CD than UC (OR 0.47, 95% CI 0.43 to 0.51, p<0.0001). Thiopurine intolerance was associated with increased risk of surgery in UC (HR 2.44, p<0.0001); with a more modest impact on need for surgery in CD (HR=1.23, p=0.0015). Conclusion: Thiopurine monotherapy is an effective long-term treatment for UC but significantly less effective in CD
HLA-DQA1*05 carriage associated with development of anti-drug antibodies to infliximab and adalimumab in patients with Crohn's Disease
Anti-tumor necrosis factor (anti-TNF) therapies are the most widely used biologic drugs for treating immune-mediated diseases, but repeated administration can induce the formation of anti-drug antibodies. The ability to identify patients at increased risk for development of anti-drug antibodies would facilitate selection of therapy and use of preventative strategies.This article is freely available via Open Access. Click on Publisher URL to access the full-text
Mechanisms and management of loss of response to anti-TNF therapy for patients with Crohn's disease: 3-year data from the prospective, multicentre PANTS cohort study
This is the final version. Available from Elsevier via the DOI in this record. Background We sought to report the effectiveness of infliximab and adalimumab over the first 3 years of treatment
and to define the factors that predict anti-TNF treatment failure and the strategies that prevent or mitigate loss of
response.
Methods Personalised Anti-TNF therapy in Crohn’s disease (PANTS) is a UK-wide, multicentre, prospective
observational cohort study reporting the rates of effectiveness of infliximab and adalimumab in anti-TNF-naive patients
with active luminal Crohn’s disease aged 6 years and older. At the end of the first year, sites were invited to enrol
participants still receiving study drug into the 2-year PANTS-extension study. We estimated rates of remission across
the whole cohort at the end of years 1, 2, and 3 of the study using a modified survival technique with permutation
testing. Multivariable regression and survival analyses were used to identify factors associated with loss of response
in patients who had initially responded to anti-TNF therapy and with immunogenicity. Loss of response was defined
in patients who initially responded to anti-TNF therapy at the end of induction and who subsequently developed
symptomatic activity that warranted an escalation of steroid, immunomodulatory, or anti-TNF therapy, resectional
surgery, or exit from study due to treatment failure. This study was registered with ClinicalTrials.gov, NCT03088449,
and is now complete.
Findings Between March 19, 2014, and Sept 21, 2017, 389 (41%) of 955 patients treated with infliximab and
209 (32%) of 655 treated with adalimumab in the PANTS study entered the PANTS-extension study (median age
32·5 years [IQR 22·1–46·8], 307 [51%] of 598 were female, and 291 [49%] were male). The estimated proportion of
patients in remission at the end of years 1, 2, and 3 were, for infliximab 40·2% (95% CI 36·7–43·7),
34·4% (29·9–39·0), and 34·7% (29·8–39·5), and for adalimumab 35·9% (95% CI 31·2–40·5), 32·9% (26·8–39·2),
and 28·9% (21·9–36·3), respectively. Optimal drug concentrations at week 14 to predict remission at any later
timepoints were 6·1–10·0 mg/L for infliximab and 10·1–12·0 mg/L for adalimumab. After excluding patients who
had primary non-response, the estimated proportions of patients who had loss of response by years 1, 2, and 3
were, for infliximab 34·4% (95% CI 30·4–38·2), 54·5% (49·4–59·0), and 60·0% (54·1–65·2), and for adalimumab
32·1% (26·7–37·1), 47·2% (40·2–53·4), and 68·4% (50·9–79·7), respectively. In multivariable analysis, loss of
response at year 2 and 3 for patients treated with infliximab and adalimumab was predicted by low anti-TNF drug
concentrations at week 14 (infliximab: hazard ratio [HR] for each ten-fold increase in drug concentration 0·45
[95% CI 0·30–0·67], adalimumab: 0·39 [0·22–0·70]). For patients treated with infliximab, loss of response was
also associated with female sex (vs male sex; HR 1·47 [95% CI 1·11–1·95]), obesity (vs not obese 1·62 [1·08–2·42]),
baseline white cell count (1·06 [1·02–1·11) per 1 × 10⁹ increase in cells per L), and thiopurine dose quartile. Among
patients treated with adalimumab, carriage of the HLA-DQA1*05 risk variant was associated with loss of response
(HR 1·95 [95% CI 1·17–3·25]). By the end of year 3, the estimated proportion of patients who developed anti-drug
antibodies associated with undetectable drug concentrations was 44·0% (95% CI 38·1–49·4) among patients
treated with infliximab and 20·3% (13·8–26·2) among those treated with adalimumab. The development of antidrug antibodies associated with undetectable drug concentrations was significantly associated with treatment
without concomitant immunomodulator use for both groups (HR for immunomodulator use: infliximab 0·40
[95% CI 0·31–0·52], adalimumab 0·42 [95% CI 0·24–0·75]), and with carriage of HLA-DQA1*05 risk variant for
infliximab (HR for carriage of risk variant: infliximab 1·46 [1·13–1·88]) but not for adalimumab (HR 1·60
[0·92–2·77]). Concomitant use of an immunomodulator before or on the day of starting infliximab was associated
with increased time without the development of anti-drug antibodies associated with undetectable drug
concentrations compared with use of infliximab alone (HR 2·87 [95% CI 2·20–3·74]) or introduction of an
immunomodulator after anti-TNF initiation (1·70 [1·11–2·59]). In years 2 and 3, 16 (4%) of 389 patients treated
with infliximab and 11 (5%) of 209 treated with adalimumab had adverse events leading to treatment withdrawal.
Nine (2%) patients treated with infliximab and two (1%) of those treated with adalimumab had serious infections
in years 2 and 3.
Interpretation Only around a third of patients with active luminal Crohn’s disease treated with an anti-TNF drug were
in remission at the end of 3 years of treatment. Low drug concentrations at the end of the induction period predict
loss of response by year 3 of treatment, suggesting higher drug concentrations during the first year of treatment,
particularly during induction, might lead to better long-term outcomes. Anti-drug antibodies associated with
undetectable drug concentrations of infliximab, but not adalimumab, can be predicted by carriage of HLA-DQA1*05
and mitigated by concomitant immunomodulator use for both drugs.Guts UKCrohn’s and Colitis UKCure Crohn’s ColitisAbbVieMerck Sharp and DohmeNapp PharmaceuticalsPfizerCelltrion Healthcar
Smoking Cessation in a University Setting: The Efficacy of an Experiential, Theory-Based Intervention for College Students
The college setting represents an untapped window of opportunity to target the growing number of college student smokers. To address this need the current study tested an intervention drawing upon research from social psychology and previously effective health-related interventions. The primary purpose of this study was to examine the efficacy of an experiential, dissonance-enhancing smoking intervention for increasing motivation to quit smoking and reducing smoking by comparing it to two control groups, in a three-arm randomized study. Participants were 215 college student smokers randomized to an experiential smoking intervention, a traditional educational smoking intervention, or an experiential intervention on nutrition. A secondary purpose of the present study was to explore the influence of possible mediating variables (e.g. risk perceptions, smoking knowledge) and to investigate whether demographic or smoking history variables would moderate the effects of the intervention. As predicted, the experiential smoking intervention was more effective in increasing motivation to quit as compared to both groups. However, moderator analyses revealed that the effect was found only for females. Increased motivation to quit was also demonstrated on an immediate behavioral measure of impact. Additional analyses indicated that a greater reduction in smoking and higher quit rates at follow-up were found for participants in both smoking conditions as compared to participants in the Nutrition control condition. Potential mechanisms of change were not supported; however, participants who received the experiential smoking intervention exhibited greater smoking knowledge and were more likely to report greater negative consequences of smoking. Findings support the efficacy of a standard didactic intervention, and the added efficacy of a more intensive experiential intervention. Implications for intervention are discussed
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College-student smoking: An initial test of an experiential dissonance-enhancing intervention
This study was designed as an initial test of whether an experiential learning intervention, based on cognitive dissonance theory, would increase college-student smokers' intentions to quit smoking. One hundred forty-four college smokers were asked to prepare educational videos about (1) the risks of smoking or (2) the feasibility of quitting (in a 2×2 factorial design). Main effects for the experimental manipulations were not found. However, an interaction suggested that intentions to quit smoking were increased by either manipulation, but that the effects were not additive. In addition, risk perceptions were increased by the health-risk manipulation alone, but not when quitting feasibility was also targeted. As predicted, smoking history and smoking-related expectancies were both correlated with magnitude of dissonance. Moreover, dissonance magnitude was associated with the reported use of dissonance-reducing strategies, including intending to quit smoking and believing that tobacco use was out of their control due to nicotine addiction. The findings from this initial analogue study suggest that attitudes and intentions to quit smoking can be influenced by a brief experiential intervention
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Tailored interventions for motivating smoking cessation: using placebo tailoring to examine the influence of expectancies and personalization
The present study examined mechanisms underlying the effectiveness of tailored interventions for motivating smoking cessation. The study used a placebo-tailoring design to test whether the efficacy of tailoring was due, in part, to personalized features in addition to the theoretically based content. Two hundred forty adult smokers were randomized to 1 of 3 conditions: standard booklet, minimally personalized booklet, or extensively personalized booklet. The interventions varied in their degree of ostensible tailoring, yet the actual smoking-related content of the booklets was identical. A dose-response relationship was hypothesized, with the greatest apparent tailoring producing the most positive outcomes. This pattern was found for evaluation of the booklets, with trends for readiness to change and self-efficacy increases. Moreover, as hypothesized, the effect of the interventions on readiness was moderated by participants' expectancies about tailoring
A comparative study of serum lipid profile of women with preeclampsia and normotensive pregnancy
Associations Between the Smoking-relatedness of a Cancer Type, Cessation Attitudes and Beliefs, and Future Abstinence Among Recent Quitters
Objective: Smoking after a diagnosis of cancer can negatively impact treatment outcomes and quality of life. It is important that patients quit smoking and remain abstinent regardless of cancer type. Some cancer types (eg, lung) have stronger links to smoking as a cause than do others (eg, colorectal). The aims of this study were to (1) assess associations between smoking-relatedness of the cancer type with beliefs and attitudes concerning smoking abstinence (eg, confidence, self-efficacy), and (2) assess these variables as predictors of future abstinence.
Methods: In this secondary analysis, cancer patients (N = 357) who quit smoking within the previous 90 days were assigned a code of 3, 2, or 1 according to the cancer type\u27s level of smoking-relatedness: Very related (n = 134, thoracic and head and neck), Somewhat related (n = 93, acute myeloid leukemia, bladder, cervix, colorectal, esophageal, kidney, liver, pancreas, and stomach), and Unlikely related (n = 137, all other cancer types).
Results: Smoking-relatedness was positively associated with plan to stay smoke-free, maximum confidence in being smoke-free in 6 months, higher abstinence self-efficacy, and lower expected difficulty in staying smoke-free. Each of the 4 beliefs and attitude variables predicted abstinence 2 months later. Smoking-relatedness also predicted abstinence in a univariate model, but not in a multivariable model with the belief and attitude variables. Using backwards stepwise procedures, the final model included plan to stay smoke-free, confidence in being smoke-free, and abstinence self-efficacy.
Conclusion: These results are consistent with our conceptualization of cessation motivation differing by smoking-relatedness of the cancer type and predicting future abstinence
Associations Between the Smoking-relatedness of a Cancer Type, Cessation Attitudes and Beliefs, and Future Abstinence Among Recent Quitters
Objective: Smoking after a diagnosis of cancer can negatively impact treatment outcomes and quality of life. It is important that patients quit smoking and remain abstinent regardless of cancer type. Some cancer types (eg, lung) have stronger links to smoking as a cause than do others (eg, colorectal). The aims of this study were to (1) assess associations between smoking-relatedness of the cancer type with beliefs and attitudes concerning smoking abstinence (eg, confidence, self-efficacy), and (2) assess these variables as predictors of future abstinence.
Methods: In this secondary analysis, cancer patients (N = 357) who quit smoking within the previous 90 days were assigned a code of 3, 2, or 1 according to the cancer type\u27s level of smoking-relatedness: Very related (n = 134, thoracic and head and neck), Somewhat related (n = 93, acute myeloid leukemia, bladder, cervix, colorectal, esophageal, kidney, liver, pancreas, and stomach), and Unlikely related (n = 137, all other cancer types).
Results: Smoking-relatedness was positively associated with plan to stay smoke-free, maximum confidence in being smoke-free in 6 months, higher abstinence self-efficacy, and lower expected difficulty in staying smoke-free. Each of the 4 beliefs and attitude variables predicted abstinence 2 months later. Smoking-relatedness also predicted abstinence in a univariate model, but not in a multivariable model with the belief and attitude variables. Using backwards stepwise procedures, the final model included plan to stay smoke-free, confidence in being smoke-free, and abstinence self-efficacy.
Conclusion: These results are consistent with our conceptualization of cessation motivation differing by smoking-relatedness of the cancer type and predicting future abstinence
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