[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100413861":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":35,"centralContacts":40,"locations":45,"responsibleParty":62,"collaborators":26,"id":65,"slug":66,"hasResults":67,"nctId":68,"briefTitle":69,"officialTitle":70,"acronym":26,"eligibilityCriteria":71,"healthyVolunteers":72,"sex":73,"minAge":74,"maxAge":75,"enrollmentInfo":76,"targetDuration":26,"studyType":79,"phases":80,"briefSummary":82,"conditions":83,"keywords":26,"overallStatus":85,"whyStopped":26,"lastUpdateSubmitDate":86,"lastUpdatePostDateStruct":87,"startDateStruct":90,"completionDateStruct":92,"leadSponsor":94,"locationsCount":95},{"fullName":5,"class":6},"Trustees of Dartmouth College","OTHER",[8,15],{"label":9,"type":10,"description":11,"interventionNames":12},"Placebo","EXPERIMENTAL","All participants will participate in two sessions, one with a placebo suggestion that matches the participant's motivational style, and one with placebo suggestion that does not match their motivational style, in a pseudo-random order.",[13,14],"Behavioral: Placebo cream- \"promotion\" suggestion","Behavioral: Placebo cream- \"prevention\" suggestion",{"label":16,"type":10,"description":17,"interventionNames":18},"Control","Each session will also include a control phase, in which the same cream will be applied, and participants will be instructed that the cream has no analgesic effects.",[19],"Behavioral: Control cream",[21,27,31],{"type":22,"name":23,"description":24,"armGroupLabels":25,"otherNames":26},"BEHAVIORAL","Placebo cream- \"promotion\" suggestion","Over-the-counter hand cream will be applied to participants' skin, but they will be told that they are given a highly efficient topical analgesic cream. The suggestion will be based on a \"promotion\" approach (promoting good feelings).",[9],null,{"type":22,"name":28,"description":29,"armGroupLabels":30,"otherNames":26},"Placebo cream- \"prevention\" suggestion","Over-the-counter hand cream will be applied to participants' skin, but they will be told that they are given a highly efficient topical analgesic cream. The suggestion will be based on a \"prevention\" approach (preventing pain).",[9],{"type":22,"name":32,"description":33,"armGroupLabels":34,"otherNames":26},"Control cream","In a control condition, with the same cream as in the placebo interventions, participants will be instructed that the cream is a control cream with no effects.",[16],[36],{"name":37,"affiliation":38,"role":39},"Tor D Wager, PhD","Dartmouth College","PRINCIPAL_INVESTIGATOR",[41],{"name":37,"role":42,"phone":43,"phoneExt":26,"email":44},"CONTACT","(603)-646-2196","Tor.D.Wager@Dartmouth.edu",[46],{"facility":38,"status":26,"city":47,"state":48,"zip":49,"country":50,"countryCode":51,"cosmosGeoPoint":52,"geoPoint":57,"contacts":58},"Hanover","New Hampshire","03755","United States","US",{"type":53,"coordinates":54},"Point",[55,56],-72.28954,43.70229,{"lat":56,"lon":55},[59],{"name":60,"role":42,"phone":26,"phoneExt":26,"email":61},"Bethany Hunt, BA","bethany.j.hunt@dartmouth.edu",{"type":39,"investigatorFullName":63,"investigatorTitle":64,"investigatorAffiliation":5,"oldNameTitle":26,"oldOrganization":26},"Tor Wager","Principal Investigator","100413861","individual-differences-in-placebo-analgesic-effects-100413861",false,"NCT04669093","Individual Differences in Placebo Analgesic Effects","Person by Situation Interaction: Matching Suggestions to Participants' Motivational Styles","Inclusion Criteria:\n\n* Healthy participants\n* Dominant promotion focus or dominant prevention focus (based on our screening)\n\nExclusion Criteria:\n\n* Currently or recently suffered from chronic pain (based on screening)\n* Cannot tolerate heat pain applied to the forearm, based on a calibration task at the beginning of the experiment",true,"ALL","18 Years","55 Years",{"count":77,"type":78},60,"ESTIMATED","INTERVENTIONAL",[81],"NA","This study examines the effects of placebo suggestions tailored to match or mismatch individual participants' motivational styles-an issue of person-situation 'fit' with important effects in public health settings, but which has been ignored in past research.",[84],"Healthy","NOT_YET_RECRUITING","2025-12-02",{"date":88,"type":89},"2025-12-09","ACTUAL",{"date":91,"type":78},"2026-09-30",{"date":93,"type":78},"2027-12-31",{"name":5,"class":6},1]