[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100595553":3},{"organization":4,"outcomesModule":7,"designInfo":33,"detailedDescription":44,"studyPopulation":36,"armGroups":45,"interventions":58,"overallOfficials":36,"centralContacts":67,"locations":73,"responsibleParty":86,"collaborators":36,"id":88,"slug":36,"hasResults":89,"nctId":90,"briefTitle":91,"officialTitle":92,"acronym":36,"eligibilityCriteria":93,"healthyVolunteers":94,"sex":95,"minAge":96,"maxAge":97,"enrollmentInfo":98,"targetDuration":36,"studyType":101,"phases":102,"briefSummary":104,"conditions":105,"keywords":107,"overallStatus":110,"whyStopped":36,"lastUpdateSubmitDate":111,"lastUpdatePostDateStruct":112,"startDateStruct":115,"completionDateStruct":117,"leadSponsor":119,"locationsCount":120},{"fullName":5,"class":6},"The Second Affiliated Hospital of Chongqing Medical University","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":28},[9],{"measure":10,"description":11,"timeFrame":12},"Pain intensity during arteriovenous puncture","assessed using number rating scale (0 to 10, which higher scores mean a worse pain intensity)","The pain score during arterial puncture which about 2-3min",[14,18,22,25],{"measure":15,"description":16,"timeFrame":17},"Pain sensitivity","assessed by pressure pain stimulation (magnitude of pressure, kilogram per square centimeter)","from the time before to 30 min after light exposure",{"measure":19,"description":20,"timeFrame":21},"Analgesic consumption during surgery","assessed by the actual dose of analgesic during the surgery","From surgery beginning to the ending of the surgery",{"measure":23,"description":11,"timeFrame":24},"Pain intensity after surgery","From ending of the surgery to 24 hours after surgery",{"measure":26,"description":27,"timeFrame":24},"Analgesic consumption after surgery","assessed by the actual dose of analgesic after surgery",[29],{"measure":30,"description":31,"timeFrame":32},"Heart rate","assessed by the monitor using beat per minute","from before arterial puncture to 5min after the arterial puncture",{"allocation":34,"interventionModel":35,"interventionModelDescription":36,"primaryPurpose":37,"observationalModel":36,"timePerspective":36,"maskingInfo":38},"RANDOMIZED","PARALLEL",null,"PREVENTION",{"masking":39,"maskingDescription":36,"whoMasked":40},"TRIPLE",[41,42,43],"CARE_PROVIDER","INVESTIGATOR","OUTCOMES_ASSESSOR","Random numbers were generated by the computer to randomly assign patients who met the inclusion and exclusion criteria to the experimental group (exposed to green light) and the control group (exposed to transparent light). The patients were randomly assigned to three time periods (8:00-9:00, 12:00-13:00, 16:00-17:00) to receive a colored exposure with glasses: Therefore, in order to minimize bias and expectations, it was not informed to the patients which color would affect the pain during the arterial puncture. The patients rested in the pre-anesthesia room for 5 minutes, their heart rate (HR) was measured, and a pain sensitivity test (tender point) was conducted. Then, the patients wore the trial glasses and stayed in the pre-anesthesia room for 30 minutes, and they underwent arterial and venous punctures. While monitoring the patients' heart rate, the catheterization of the arterial and venous punctures was performed. Then, during the arterial and venous puncture, their pain scores (NRS) were recorded separately.\n\nexposed to green light (green group) for 30 minutes. The above operation will be repeated to measure the patient's pain threshold.",[46,52],{"label":47,"type":48,"description":49,"interventionNames":50},"Green light exposure group","EXPERIMENTAL","Before performing the arterial puncture, expose to green light for 30 minutes.",[51],"Device: Green light glasses",{"label":53,"type":54,"description":55,"interventionNames":56},"Transparent light exposure","PLACEBO_COMPARATOR","Before performing the arterial puncture, expose to Transparent light for 30 minutes.",[57],"Device: Transparent light exposure",[59,64],{"type":60,"name":61,"description":62,"armGroupLabels":63,"otherNames":36},"DEVICE","Green light glasses","Exposure to green light for 30 minutes",[47],{"type":60,"name":53,"description":65,"armGroupLabels":66,"otherNames":36},"Exposure to transparent light for 30 minutes",[53],[68],{"name":69,"role":70,"phone":71,"phoneExt":36,"email":72},"guangyou ph.D Duan","CONTACT","18323376014","duangy@hospital.cqmu.edu.cn",[74],{"facility":5,"status":36,"city":75,"state":76,"zip":77,"country":78,"countryCode":79,"cosmosGeoPoint":80,"geoPoint":85,"contacts":36},"Chongqing","Chongqing Municipality","4000000","China","CN",{"type":81,"coordinates":82},"Point",[83,84],106.55771,29.56026,{"lat":84,"lon":83},{"type":87,"investigatorFullName":36,"investigatorTitle":36,"investigatorAffiliation":36,"oldNameTitle":36,"oldOrganization":36},"SPONSOR","100595553",false,"NCT07033949","Effect of Green Light Exposure at Different Times on the Pain of Subjects","A Randomized Controlled Study on the Effect of Green Light Exposure at Different Times on the Pain of Subjects","Inclusion Criteria:\n\n1. Age range: 18 - 50 years old.\n2. ASA classification: I - III.\n3. Planned to undergo abdominal surgeries requiring general anesthesia and arterial puncture (this is not necessary for the healthy volunteer group).\n4. Obtained informed consent from the patients.\n\nExclusion Criteria:\n\n1. Skin ulceration, allergic reactions, or dermatitis at the tested area.\n2. Long-term use of analgesics or psychiatric medications.\n3. History of color blindness or uncorrected cataracts.\n4. Severe cardiovascular or respiratory diseases, inflammatory disorders, etc.\n5. Failure of the first arterial puncture.\n6. Communication difficulties, etc.",true,"ALL","18 Years","50 Years",{"count":99,"type":100},120,"ESTIMATED","INTERVENTIONAL",[103],"NA","Patients who met the criteria and needed to undergo elective surgery via arterial and venous puncture were included in this center. They were randomly divided into three time periods (8:00-9:00, 12:00-13:00, 16:00-17:00) and were exposed to green light (experimental group) and transparent light (control group) respectively. The effects of green light exposure on acute perioperative pain in patients were observed at different times.",[106],"Pain",[108,109],"Acute Pain","Green light","NOT_YET_RECRUITING","2025-06-24",{"date":113,"type":114},"2025-06-27","ACTUAL",{"date":116,"type":100},"2025-07-01",{"date":118,"type":100},"2025-10-19",{"name":5,"class":6},1]