{"title":"Craving self-reports as outcome measures in drug addiction trials: A systematic review of ClinicalTrials.gov.","authors":"Matin Toulami, Keyvan Ghasemi, Parnian Rafei, Arshiya Sangchooli, Nastaran Nafissi, Arash Khojasteh Zonoozi, Hossein Mohaddes Ardabili, Mohsen Ebrahimi, Tara Rezapour, Hamed Ekhtiari","doi":"10.1111/add.70064","DOIUrl":null,"url":null,"abstract":"<p><strong>Background and aims: </strong>The subjective experience of drug craving is characterized by an overwhelming urge to consume substances. Due to strong validity and ease of use, self-report measures are widely employed to assess substance-related motivational dynamics. Multi-item questionnaires are increasingly favored for capturing the multidimensional nature of craving, providing valuable insights for clinical care and relapse prediction. This review aimed to summarize craving self-report measurement tools registered in clinical trials and examine their methodological parameters.</p><p><strong>Methods: </strong>A search was conducted in November 2022 and updated in November 2024 using the same methodology on ClinicalTrials.gov for trials reporting drug craving as an outcome measure. Trials using craving measurement tools were screened and included.</p><p><strong>Results: </strong>From 5383 initial trials, 1255 met eligibility criteria. Craving was reported as the only primary outcome measure in 14.6%, one of the primary outcomes in 21.3% and as secondary or exploratory in 64.1% of the studies. The most studied substances were nicotine (32.5% of studies) and alcohol (27.5%), followed by opioids (14.2%). Multi-item questionnaires were the most frequently used approach (55.4%), followed by single-item questionnaires (27.3%) to measure craving. Among 107 identified multi-item questionnaires, only 38 were used three or more times. The most common multi-item questionnaires were the Questionnaire on Smoking Urges (20%), Penn Alcohol Craving Scale (12.1%) and Alcohol Urge Questionnaire (9.8%). Most trials focused on evaluating phasic (now) craving (51.6%) over tonic (in a certain time-interval) craving (38%).</p><p><strong>Conclusion: </strong>Craving, measured through self-reports, is increasingly targeted as a primary outcome measure in drug addiction trials registered on ClinicalTrials.gov. Craving self-reports are highly variable, underscoring the need for standardized tools to enhance comparability across studies.</p>","PeriodicalId":109,"journal":{"name":"Addiction","volume":" ","pages":""},"PeriodicalIF":5.2000,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Addiction","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1111/add.70064","RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PSYCHIATRY","Score":null,"Total":0}
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Abstract
Background and aims: The subjective experience of drug craving is characterized by an overwhelming urge to consume substances. Due to strong validity and ease of use, self-report measures are widely employed to assess substance-related motivational dynamics. Multi-item questionnaires are increasingly favored for capturing the multidimensional nature of craving, providing valuable insights for clinical care and relapse prediction. This review aimed to summarize craving self-report measurement tools registered in clinical trials and examine their methodological parameters.
Methods: A search was conducted in November 2022 and updated in November 2024 using the same methodology on ClinicalTrials.gov for trials reporting drug craving as an outcome measure. Trials using craving measurement tools were screened and included.
Results: From 5383 initial trials, 1255 met eligibility criteria. Craving was reported as the only primary outcome measure in 14.6%, one of the primary outcomes in 21.3% and as secondary or exploratory in 64.1% of the studies. The most studied substances were nicotine (32.5% of studies) and alcohol (27.5%), followed by opioids (14.2%). Multi-item questionnaires were the most frequently used approach (55.4%), followed by single-item questionnaires (27.3%) to measure craving. Among 107 identified multi-item questionnaires, only 38 were used three or more times. The most common multi-item questionnaires were the Questionnaire on Smoking Urges (20%), Penn Alcohol Craving Scale (12.1%) and Alcohol Urge Questionnaire (9.8%). Most trials focused on evaluating phasic (now) craving (51.6%) over tonic (in a certain time-interval) craving (38%).
Conclusion: Craving, measured through self-reports, is increasingly targeted as a primary outcome measure in drug addiction trials registered on ClinicalTrials.gov. Craving self-reports are highly variable, underscoring the need for standardized tools to enhance comparability across studies.
期刊介绍：
Addiction publishes peer-reviewed research reports on pharmacological and behavioural addictions, bringing together research conducted within many different disciplines.
Its goal is to serve international and interdisciplinary scientific and clinical communication, to strengthen links between science and policy, and to stimulate and enhance the quality of debate. We seek submissions that are not only technically competent but are also original and contain information or ideas of fresh interest to our international readership. We seek to serve low- and middle-income (LAMI) countries as well as more economically developed countries.
Addiction’s scope spans human experimental, epidemiological, social science, historical, clinical and policy research relating to addiction, primarily but not exclusively in the areas of psychoactive substance use and/or gambling. In addition to original research, the journal features editorials, commentaries, reviews, letters, and book reviews.
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