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The US tobacco control community's view of the future of tobacco harm reduction.

OBJECTIVE: Tobacco harm reduction (THR) has garnered recent attention due to the introduction of novel nicotine delivery products ostensibly intended to reduce risk for inveterate cigarette smokers. This study evaluates the grassroots tobacco control community's knowledge, opinions, and beliefs about THR. DESIGN: A web/mail survey conducted in October and November 2002, with a telephone survey of a sample of non-respondents. SUBJECTS: The 2833 US based registrants for the 2001 National Conference on Tobacco or Health. MAIN OUTCOME MEASURES: Respondents' awareness of THR, perception of its importance, support for regulation, and perception of which THR products should be recommended to inveterate cigarette smokers. RESULTS: 70% of respondents were aware of THR but respondents had low recognition of specific products at the forefront of the debate, such as Swedish snuff. Half believe THR will reduce smoking cessation and cause nicotine experimentation by children; 63% anticipate unintended adverse side effects. More expect THR to have a negative than a positive impact on health. Large majorities support government regulation of THR and conventional tobacco products, but fewer than 30% expect legislation regulating either. Most would recommend nicotine patches (76%) and gum (70%) to inveterate smokers, but no other product was supported by a majority. Scientists are more supportive of THR than activists, while respondents focusing on national/international issues are more supportive than those concentrating on local/state issues. CONCLUSIONS: Many members of the US tobacco control community are unaware of the THR "movement", while others possess only rudimentary familiarity with it. If and as THR achieves an increasingly prominent role on the tobacco-or-health scene, this community will have to become educated about THR, and be prepared to advocate for regulatory policies that will maximise the potential for positive outcomes. The potential for negative outcomes remains significant.

Adult↗

Tobacco harm reduction: a call to address the ethical dilemmas.

The 2001 Institute of Medicine report Clearing the Smoke: Assessing the Science Base for Tobacco Harm Reduction has helped to focus attention on the scientific basis for assessing tobacco harm reduction products. As the tobacco research and policy communities tackle the challenges of evaluating harm reduction, there are ethical issues that must also be addressed. There has, however, been very little writing on the ethics of this field. In an effort to spur research into answering these ethical questions, we present two complementary approaches. First we outline three overarching topics in tobacco harm reduction that would particularly lend themselves to study: (a) Is the pursuit of tobacco harm reduction an ethical goal? (b) What are the ethical considerations of tobacco harm reduction vis-à-vis pharmaceutical companies? and (c) What are the ethical considerations for harm reduction vis-à-vis tobacco companies? We then present one possible framework for analyzing the ethical issues that accompany particular tobacco harm reduction strategies. By considering the ethical dilemmas attendant to tobacco harm reduction in a prospective and thoughtful manner, we will be better prepared to handle the challenges that face us individually as researchers and collectively as a tobacco control community.

Drug Industry↗

Tobacco harm reduction: promise and perils.

With the tobacco industry developing and test marketing a wide array of modified cigarettes and novel nicotine-delivery products, the era of tobacco harm reduction is upon us. Like today's new technologies, two previous generations of cigarette innovation-filtered cigarettes in the 1950s and low tar and nicotine cigarettes in the late 1960s and early 1970s were introduced to offer smokers an ostensibly less hazardous means of smoking, and therefore an alternative to quitting. Both innovations maintained cigarette sales and consequently may well have increased the morbidity and mortality toll of smoking. Will a new generation of harm reduction products improve the public's health, or will the experience of the past half-century be repeated? This paper examines the concept of tobacco harm reduction and describes the variety of methods employed in pursuit of it. Through an examination of the experience with filters and low tar and nicotine cigarettes, and an explicit consideration of today's issues and challenges, the paper focuses attention on the essential dimensions of the contemporary harm reduction debate: how science can establish whether novel products or methods will reduce risks to health for individual smokers, or at least exposures likely to influence risks; how a determination can be made as to the likely population impacts of the introduction and marketing of novel products; how health professionals and consumers can learn the potential and limits of harm reduction; and what role for governmental regulation is possible and desirable.

Behavior, Addictive↗

Tobacco harm reduction: an alternative cessation strategy for inveterate smokers.

According to the Centers for Disease Control and Prevention, about 45 million Americans continue to smoke, even after one of the most intense public health campaigns in history, now over 40 years old. Each year some 438,000 smokers die from smoking-related diseases, including lung and other cancers, cardiovascular disorders and pulmonary diseases. Many smokers are unable--or at least unwilling--to achieve cessation through complete nicotine and tobacco abstinence; they continue smoking despite the very real and obvious adverse health consequences. Conventional smoking cessation policies and programs generally present smokers with two unpleasant alternatives: quit, or die. A third approach to smoking cessation, tobacco harm reduction, involves the use of alternative sources of nicotine, including modern smokeless tobacco products. A substantial body of research, much of it produced over the past decade, establishes the scientific and medical foundation for tobacco harm reduction using smokeless tobacco products. This report provides a description of traditional and modern smokeless tobacco products, and of the prevalence of their use in the United States and Sweden. It reviews the epidemiologic evidence for low health risks associated with smokeless use, both in absolute terms and in comparison to the much higher risks of smoking. The report also describes evidence that smokeless tobacco has served as an effective substitute for cigarettes among Swedish men, who consequently have among the lowest smoking-related mortality rates in the developed world. The report documents the fact that extensive misinformation about ST products is widely available from ostensibly reputable sources, including governmental health agencies and major health organizations. The American Council on Science and Health believes that strong support of tobacco harm reduction is fully consistent with its mission to promote sound science in regulation and in public policy, and to assist consumers in distinguishing real health threats from spurious health claims. As this report documents, there is a strong scientific and medical foundation for tobacco harm reduction, and it shows great potential as a public health strategy to help millions of smokers.

Journal Article↗

Tobacco harm reduction: what do the experts think?

OBJECTIVE: To assess experts' opinions about the future of, and potential to improve individual and public health through "tobacco harm reduction" (THR), the use of novel nicotine containing products purporting to reduce the health risks from cigarette smoking. DESIGN: Semi-structured telephone interviews on nine topic areas, with qualitative content analysis of coded transcripts. PARTICIPANTS: 29 professionals with expertise related to tobacco and interest in THR, including prominent tobacco control advocates (7), pharmaceutical (3) and tobacco industry scientists/officials (5), non-industry scientists (12), and Congressional staff (2). RESULTS: Respondents agreed that harm reduction is at minimum theoretically plausible, that characteristics of "good" and "bad" THR products can be identified, that government regulation is essential but not likely in the foreseeable future, and that additional scientific data are very much needed. However, there was no consensus on specifics, such as preferred regulatory strategies or examples of ideal THR products. Disagreement was seen not only across but also within respondent categories. Mistrust of key stakeholders-for example, tobacco control advocates distrust of tobacco industry scientists and vice versa-was pervasive, and cited frequently as a barrier to regulation and collaboration. CONCLUSIONS: Continued dialogue and debate are essential as we enter a new and uncertain era of products purporting to reduce tobacco produced harm. Experts have concluded that effective government regulation is crucial to minimising the risks associated with THR and maximising potential benefits.

Attitude of Health Personnel↗

Tobacco harm reduction strategies: the case for physical activity.

Since the effects of tobacco smoke are so detrimental to health, growing consideration has been given to the development of harm reduction strategies for those smokers who are unable or unwilling to stop using tobacco. The term harm reduction refers to a policy, strategy, or particular intervention that assumes continued use of an undesired behavior and aspires to lower the risk of adverse consequences associated with the continuation of this addictive behavior. Up to this point, tobacco harm reduction interventions have focused on reducing tobacco-related harm through the utilization of innovative tobacco products, reduced tobacco consumption, and pharmaceutical medications. With the possible exception of medicinal nicotine products, these strategies remain unproven and thus far no scientific or medical literature exists to suggest these harm reduction strategies reduce tobacco-related exposure, morbidity, or mortality. Consequently, a need exists for broadening the range of potentially effective harm reduction strategies. This preliminary review suggests that physical activity has the potential to become one such strategy. Of the eight principles that characterize a harm reduction strategy, all are at least partially satisfied by physical activity. Further, emerging evidence indicates that physical activity may delay the occurrence of disease and premature death initiated by tobacco consumption. Significant concerns remain regarding the practicality of physical activity as a harm reduction strategy and the extent to which participation in physical activity may be used to justify continued smoking.

Attitude to Health↗

Patients' views on smoking cessation and tobacco harm reduction during drug treatment.

Efforts to help smokers in drug treatment quit smoking have met with little success. To explore barriers to quitting and interest in tobacco harm reduction we conducted focus groups and interviews among 78 patients from five Methadone Maintenance Treatment (MMT) sites. Measures included a written survey and open-ended questions on (a) motivation for quitting, (b) what quit methods worked and what didn't work, and (c) interest in smoking reduction and nicotine maintenance as an alternative to complete cessation. Discussions were audiotaped, transcribed, and coded using computer-based qualitative software; our interobserver reliability was 83%. Successful quitters used in general a combination of quit methods such as prayer, nicotine gum, keeping busy, quitting 'one day at a time,' nicotine patches, deep breathing, and avoidance of triggers. Nicotine craving, rather than withdrawal, was cited as the biggest challenge to staying quit. Some current smokers feared quitting smoking would divert them from their goal of quitting illicit drug use or tapering off MMT. Current smokers were interested in smoking reduction as an alternative to quitting; however, those who had tried but failed to reduce smoking preferred complete cessation. Nicotine maintenance was favored by only a few participants with major health problems who didn't hold out hope for quitting. Findings suggest combination pharmacotherapy could help patients control withdrawal and acute episodes of craving. Patients have a number of skills from coping with illicit drug dependence that are useful in combating nicotine dependence. Behavioral methods and short-term pharmacotherapy to help patients reduce tobacco exposure should be explored.

Adult↗

Lessons from the history of tobacco harm reduction: The National Cancer Institute's Smoking and Health Program and the "less hazardous cigarette".

Scientists and public health practitioners are sharply divided today over the risks and benefits of tobacco harm-reduction strategies. At the same time, a range of novel tobacco products is being marketed with claims of reduced exposure or risk. Current scientific efforts to study tobacco products and harm reduction should be informed by past experience. During the 1960s and 1970s, there was substantial support within government and academia, as well as among voluntary health organizations, for efforts to modify tobacco products to reduce harm. This paper analyzes the former National Cancer Institute (NCI) Smoking and Health Program, which, between 1968 and 1980, pursued the development of "less hazardous" cigarettes as its primary goal. During this period, the program spent over dollar 50 million on contract research, of which 74% went toward biological and chemical analysis of modified cigarettes, 9.6% to epidemiological studies of risk factors, and only 1.4% to studies evaluating smoking cessation or prevention programs. NCI officials predicted during the mid-1970s that new "low-tar" cigarette brands would substantially reduce smoking-related mortality, but by 1978 the research agenda began to change in response to a reorganization of NCI research activities, modification of government antismoking efforts, and an emerging understanding of nicotine addiction that challenged key scientific assumptions. In retrospect, the program suffered from significant weaknesses that severely limited the likelihood that it would generate knowledge beneficial to public health, including a research agenda that failed to include surveillance and behavioral research, tobacco industry influence of the research agenda, and a lack of access to information about the characteristics of products on the market. There exists today a need for a public health-oriented research agenda on tobacco products and harm reduction, but current efforts should include input from a diverse range of disciplines, collect data on users' behavior, and limit the involvement of industry scientists.

Biomedical Research↗

Tobacco harm reduction: conceptual structure and nomenclature for analysis and research.

The goal of tobacco control has always been to reduce death and disease due to tobacco use. Recent discussions have broadened the concept of tobacco control beyond cessation and prevention to include concepts such as the use of medications to achieve reduction in tobacco use, chemoprevention to reduce disease, modifications of tobacco products to reduce toxicity, and behavioral approaches to change smoking and tobacco use behavior. Within each of these broad domains, diverse approaches have been suggested. To facilitate clear discussion and analysis, and to avoid confusion among approaches, we catalog 19 approaches to harm reduction, distinguishing and discussing them on 11 dimensions, including their objectives, mechanisms, toxicology, expected population risks, and consumer appeal. Because there have also been so many suggested applications of medicinal nicotine to smoking intervention, we separately catalog and analyze nine applications, some of which constitute new approaches to harm reduction. The suggested framework is intended to clarify the debate, provide for common nomenclature, and facilitate analysis of diverse approaches to tobacco harm reduction.

Harm Reduction↗

Estimating the health impacts of tobacco harm reduction policies: a simulation modeling approach.

With adult smoking prevalence rates declining too slowly to reach national objectives, opinion leaders are considering policies to improve tobacco-related outcomes by regulating the composition of cigarettes to be (1) less harmful and/or (2) less addictive. Because harm reduction efforts may actually encourage higher cigarette consumption by promoting a safer image, and addictiveness reduction may increase the harmfulness of cigarettes by encouraging compensatory smoking behaviors, policymakers must consider the tradeoffs between these two approaches when proposing legislation to control cigarette content. To estimate health impacts, we developed a dynamic computer model simulating changes in the age- and gender-specific smoking behaviors of the U.S. population over time. Secondary data for model parameters were obtained from publicly available sources. Population health impacts were measured as change in smoking prevalence and the change in cumulative quality-adjusted life-years (QALYs) in the U.S. population over 75 years. According to the risk-use threshold matrix generated by the simulation, modifying cigarettes to reduce their harmfulness and/or addictiveness could result in important gains to the nation's health. Addictiveness reduction efforts producing a 60% improvement in smoking behavior change probabilities would produce a net gain in population health at every plausible level of increase of smoking-related harm that was modeled. A 40% reduction in smoking-related harm would produce a net QALY gain at every level of behavior change considered. This research should prove useful to policymakers as they contemplate giving the FDA the authority to regulate the composition of cigarettes.

Adult↗

Aiming at Tobacco Harm Reduction: a survey comparing smokers differing in readiness to quit.

BACKGROUND: Greece has the highest smoking rates (in the 15-nation bloc) in Europe. The purpose of this study was to investigate Greek smokers' intention and appraisal of capability to quit employing the theoretical frameworks of Decisional Balance (DB) and Cognitive Dissonance (CD). METHODS: A cross-sectional study including 401 Greek habitual smokers (205 men and 195 women), falling into four groups according to their intention and self-appraised capability to quit smoking was carried out. Participants completed a questionnaire recording their attitude towards smoking, intention and self appraised capability to quit smoking, socio-demographic information, as well as a DB and a CD scale. RESULTS: The most numerous group of smokers (38%) consisted of those who neither intended nor felt capable to quit and these smokers perceived more benefits of smoking than negatives. DB changed gradually according to smokers' "readiness" to quit: the more ready they felt to quit the less the pros of smoking outnumbered the cons. Regarding relief of CD, smokers who intended but did not feel capable to quit employed more "excuses" compared to those who felt capable. Additionally smokers with a past history of unsuccessful quit attempts employed fewer "excuses" even though they were more frequently found among those who intended but did not feel capable to quit. CONCLUSION: Findings provide support for the DB theory. On the other hand, "excuses" do not appear to be extensively employed to reduce the conflict between smoking and concern for health. There is much heterogeneity regarding smokers' intention and appraised capability to quit, reflecting theoretical and methodological problems with the distinction among stages of change. Harm reduction programs and interventions designed to increase the implementation of smoking cessation should take into account the detrimental effect of past unsuccessful quit attempts.

Journal Article↗

Harm reduction approaches to reducing tobacco-related mortality.

Tobacco harm reduction approaches are gaining increased attention. Much of this attention is due to a growing concern that significant populations of smokers either do not want to quit or believe they are unable to quit smoking, and to a concern over tobacco-industry attempts to produce tobacco products that claim to result in less toxin exposure. Decreasing tobacco toxin exposure as a method for reducing mortality and morbidity may be a reasonable tobacco control strategy. However, the impact of this strategy must be explored both on individual and population levels. A significant amount of independent research is needed to inform policy decisions. Regulatory authority over potential reduced exposure products is also essential.

Harm Reduction↗