Preventing smoking relapse in patients with cancer: A randomized controlled trial.
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ABSTRACT: Background
Abstaining from smoking after a cancer diagnosis is critical to mitigating the risk of multiple adverse health outcomes. Although many patients with cancer attempt to quit smoking, the majority relapse. The current randomized controlled trial evaluated the efficacy of adapting an evidence-based smoking relapse prevention (SRP) intervention for patients with cancer.Methods
The trial enrolled 412 patients newly diagnosed with cancer who had recently quit smoking. Participants were randomized to usual care (UC) or SRP. Participants in the UC group received the institution's standard of care for treating tobacco use. Participants in the SRP group in addition received a targeted educational DVD plus a validated self-help intervention for preventing smoking relapse. The primary outcome was smoking abstinence at 2 months, 6 months, and 12 months.Results
Abstinence rates for participants in the SRP and UC groups were 75% versus 71% at 2 months and 69% versus 64% at 6 months (Ps > .20). At 12 months, abstinence rates among survivors were 68% for those in the SRP group and 63% for those in the UC group (P = .38). Post hoc analyses revealed that across 2 months and 6 months, patients who were married/partnered were more likely to be abstinent after SRP than UC (P = .03).Conclusions
A smoking relapse prevention intervention did not reduce relapse rates overall, but did appear to have benefited those participants who had the social support of a partner. Future work is needed to extend this effect to the larger population of patients.
SUBMITTER: Simmons VN
PROVIDER: S-EPMC7771373 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:ImportanceMost women who quit smoking during pregnancy will relapse postpartum. Previous efforts to prevent postpartum relapse have been unsuccessful at increasing rates of sustained abstinence.ObjectiveTo evaluate the relative efficacy of 2 different approaches to prevent postpartum smoking relapse.Design, setting, and participantsPregnant women who recently had quit smoking were recruited before the end of pregnancy. Intervention sessions were conducted through a combination of telephone calls and in-person visits beginning at delivery and continuing through 24 weeks postpartum. Participants completed assessments at the prenatal baseline and at 12, 24, and 52 weeks postpartum. Participants were recruited between March 2008 and December 2012. The dates of the analysis were April 2014 to February 2015.InterventionsWomen received postpartum-adapted, behavioral smoking relapse prevention intervention and were randomly assigned to an enhanced cognitive behavioral intervention that included additional specialized strategies and content focused on women's postpartum concerns about mood, stress, and weight (Strategies to Avoid Returning to Smoking [STARTS]) or a supportive, time and attention-controlled comparison (SUPPORT). Intervention began before delivery and continued through 24 weeks postpartum.Main outcomes and measuresThe primary outcome was biochemically confirmed sustained tobacco abstinence at 52 weeks postpartum. Secondary outcomes were self-reported mood, levels of perceived stress, and degree of concern about smoking-related weight gain.ResultsThe study cohort comprised 300 participants (150 randomly assigned to each group). Their mean (SD) age was 24.99 (5.65) years. Overall, 38.0% (114 of 300), 33.7% (101 of 300), and 24.0% (72 of 300) of the sample maintained abstinence at 12, 24, and 52 weeks' postpartum, respectively. There were no differences between the intervention groups in abstinence or time to relapse. Self-reported depressive symptoms and perceived stress significantly improved over time, and improvements were similar for both intervention groups. Women with more depressive symptoms and higher levels of perceived stress were more likely to relapse (hazard ratio, 1.02; 95% CI, 1.00-1.04; P = .04 for depressive symptoms and hazard ratio, 1.04; 95% CI, 1.01-1.07; P = .003 for stress).Conclusions and relevanceAn intervention designed to address women's concerns about mood, stress, and weight did not differentially improve rates of sustained tobacco abstinence postpartum compared with a time and attention-controlled comparison. Women in STARTS and SUPPORT reported postpartum improvements in mood and stress, and the experience of fewer depressive symptoms and less perceived stress was related to sustained abstinence. Given that most pregnant quitters will relapse within 1 year postpartum and that postpartum smoking has negative health consequences for women and children, effective interventions that target postpartum mood and stress are needed.Trial registrationclinicaltrials.gov Identifier: NCT00757068.
| S-EPMC7333234 | biostudies-literature
Project description:Continued smoking after a cancer diagnosis contributes to several negative health outcomes. Although many cancer patients attempt to quit smoking, high smoking relapse rates have been observed. This highlights the need for a targeted, evidence-based smoking-relapse prevention intervention. The design, method, and baseline characteristics of a randomized controlled trial assessing the efficacy of a self-help smoking-relapse prevention intervention are presented. Cancer patients who had recently quit smoking were randomized to one of two conditions. The Usual Care (UC) group received the institution's standard of care. The smoking relapse-prevention intervention (SRP) group received standard of care, plus 8 relapse-prevention booklets mailed over a 3month period, and a targeted educational DVD developed specifically for cancer patients. Four hundred and fourteen participants were enrolled and completed a baseline survey. Primary outcomes will be self-reported smoking status at 6 and 12-months after baseline. Biochemical verification of smoking status was completed for a subsample. If found to be efficacious, this low-cost intervention could be easily disseminated with significant potential for reducing the risk of negative cancer outcomes associated with continued smoking.
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Project description:AIMS/HYPOTHESIS:After achieving glycaemic control, many type 2 diabetic patients relapse to clinically significant levels of hyperglycaemia. We sought to determine the optimal frequency of telephone contact by nurse practitioners that was necessary to prevent glycaemic relapse. METHODS:This parallel, randomised controlled trial ran from June 2002 to February 2006 at an academic medical centre, studying 164 type 2 diabetic patients who had recently achieved glycaemic control. Participants were randomly assigned by sequential, concealed, computer-generated allocation to a 2 year maintenance strategy consisting of: (1) routine follow-up (n = 54); (2) routine follow-up and quarterly telephone contact (n = 55); or (3) routine follow-up and monthly telephone contact (n = 55). Blinding was not possible. The primary outcome was cumulative incidence of glycaemic relapse, defined as an increase in HbA(1c) of > or =1%; all participants were analysed. Cumulative incidence and prevalent proportions were compared. Weight change and hypoglycaemia were also assessed. RESULTS:All participants randomised were included in the analyses. The study was completed by 90% of participants and intervention fidelity was high. At 24 months, the cumulative incidence of relapse was 41%. At 12 months, prevalent proportions of relapse were 20%, 14% and 15% for control, quarterly contact and monthly contact, respectively. At 24 months, they were 25%, 21% and 29%, respectively. There was no statistically significant difference in cumulative incidence or prevalent proportions of relapse among the study arms. Adverse events did not differ between study arms. CONCLUSIONS/INTERPRETATION:This first randomised controlled trial to test an intervention to prevent glycaemic relapse found that regularly scheduled telephone contact by a nurse practitioner was no more effective than routine follow-up care in preventing glycaemic relapse.
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| S-EPMC2699931 | biostudies-literature
Project description:AimsMost people who quit smoking for a short term will return to smoking again in 12 months. We tested whether self-help booklets can reduce relapse in short-term quitters after receiving behavioural and pharmacological cessation treatment.DesignA parallel-arm, pragmatic individually randomized controlled trial.SettingSmoking cessation clinics in England. Participants People who stopped smoking for 4 weeks after receiving cessation treatment in stop smoking clinics.InterventionParticipants in the experimental group (n=703) were mailed eight booklets, each of which taught readers how to resist urges to smoke. Participants in the control group (n=704) received a leaflet currently used in practice.MeasurementsThe primary outcome was prolonged, carbon monoxide-verified abstinence from months 4 to 12. The secondary outcomes included 7-day self-reported abstinence at 3 and 12 months. Mixed-effects logistic regression was used to estimate treatment effects and to investigate possible effect modifying variables.FindingsThere were no statistically significant differences between the groups in prolonged abstinence from months 4 to 12 (36.9% versus 38.6%; odds ratio 0.93, 95% confidence interval 0.75-1.16; P=0.524). In addition, there were no significant differences between the groups in any secondary outcomes. However, people who reported knowing risky situations for relapse and using strategies to handle urges to smoke were less likely to relapse.ConclusionsIn people who stop smoking successfully with behavioural support, a comprehensive self-help educational programme to teach people skills to identify and respond to high-risk situations for return to smoking did not reduce relapse.
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Project description:Aims/hypothesis: Dietary restriction (DR) reduces adiposity and improves metabolism in patients with one or more symptoms of the metabolic syndrome. Nonetheless, it remains elusive whether the benefits of DR in humans are mediated by calorie or nutrient restriction. This study was conducted to identify whether isocaloric dietary protein restriction is sufficient to confer the beneficial effects of dietary restriction in patients with metabolic syndrome. Methods: We performed a prospective, randomized controlled dietary intervention under constant nutritional and medical supervision. A total of 21 individuals diagnosed with the metabolic syndrome was randomly assigned for caloric restriction (CR; n = 11, mean age 49 ± 8.5 years, female 63%; diet of 5,941 ± 686 KJ per day) or isocaloric dietary protein restriction (PR; n = 10, mean age 51.6 ± 8.9 years, female 50%; diet of 8,409 ± 2,360 KJ per day) and followed for 27 days. Results: Like CR, PR promoted weight loss (-6.6%, P= 0.0041) due to reduction in adiposity (-9.9%, P= 0.0007), associated with reductions in blood glucose (-52.7%, P= 0.0002), lipid levels (cholesterol, -35.4%, P= 0.0010; triglycerides, -39.5% P= 0.0022) and blood pressure (systolic, -37.7 P< 0.0001; diastolic, -73.2% P< 0.0001). PR resulted in enrichment of metabolic pathways related to the immune system such as B cell proliferation, lymphocyte proliferation and leukocyte proliferation in subcutaneous adipose tissue. Hence, a reduction in calorie intake or changes in the gut microbiome are not necessary to confer the metabolic benefits of DR. Instead, a reduction in protein intake with a mild increase in carbohydrate intake to maintain the isocaloric balance of the diet is sufficient to improve metabolic control. Conclusions/interpretation: Protein restriction is sufficient to confer almost the same clinical outcomes as calorie restriction without the need for a reduction in calorie intake. The isocaloric characteristic of the PR intervention makes this approach a more attractive and less drastic dietary strategy in clinical settings and has greater potential to be used as adjuvant therapy for people with the metabolic syndrome.
2022-06-20 | GSE192587 | GEO
Project description:BACKGROUND:Dialectical behavioral therapy (DBT) skills have become increasingly used to treat several psychiatric conditions, including major depressive disorder (MDD). The aim of the study was to investigate the efficacy of an intervention that combines emotion regulation and mindfulness skills of DBT to prevent depression relapse/recurrence. METHODS:A total of 75 individuals (79% females; mean age, 52 years) with a diagnosis of MDD in complete or partial remission were recruited. Participants were randomly allocated either to an intervention combining emotion regulation and mindfulness skills (ER?+?M group, n?=?37) or to a psychoeducative program (n?=?38). After the 10-week treatment period, participants were followed for 1 year. Analyses were run in per-protocol (PP) and intention-to-treat (ITT) samples. The primary outcome measure was time to depression relapse/recurrence. RESULTS:ER?+?M training was not more effective than the control intervention in preventing depression relapse. However, PP and ITT analyses showed that participants trained in ER?+?M presented a significant reduction in depressive symptoms and overall psychopathology. Based on the PP and ITT analyses, neither of the interventions were related with an increase in dispositional mindfulness. CONCLUSIONS:More studies are needed to confirm the efficacy of ER?+?M to decrease depressive symptoms and overall psychopathology. TRIAL REGISTRATION:NCT02747134. Registered on 20 April 2016.
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