[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"preoperative-fasting\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:preoperative-fasting":26},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,6,0,[8,47,74,102,128,156],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":18,"enrollmentInfo":19,"targetDuration":4,"studyType":22,"phases":4,"briefSummary":23,"conditions":24,"keywords":28,"overallStatus":34,"whyStopped":4,"lastUpdateSubmitDate":35,"lastUpdatePostDateStruct":36,"startDateStruct":39,"completionDateStruct":41,"leadSponsor":43,"locationsCount":46},"100637778","preoperative-fasting-duration-and-gastric-residue-in-pediatric-upper-gastrointestinal-endoscopy-100637778",false,"NCT07614919","Preoperative Fasting Duration and Gastric Residue in Pediatric Upper Gastrointestinal Endoscopy","Evaluation of Preoperative Fasting Duration and Gastric Residue in Children Undergoing Upper Gastrointestinal Endoscopy for Gastrointestinal Symptoms or Pathology","Inclusion Criteria:\n\n* Pediatric patients aged under 18 years\n* Patients who underwent upper gastrointestinal endoscopy for gastrointestinal symptoms or pathology\n* Patients with available hospital records, anesthesia records, and endoscopy reports\n* Patients with documented preoperative fasting duration\n* Patients with documented endoscopic assessment of gastric residue\n\nExclusion Criteria:\n\n* Patients aged 18 years or older\n* Patients with missing or incomplete data for key study variables\n* Patients without documented preoperative fasting duration\n* Patients without documented gastric residue assessment during endoscopy\n* Duplicate endoscopy records from the same patient, if only the first eligible procedure is included","ALL","0 Years","17 Years",{"count":20,"type":21},110,"ESTIMATED","OBSERVATIONAL","This retrospective observational study aims to evaluate the relationship between preoperative fasting duration and gastric residue in pediatric patients undergoing upper gastrointestinal endoscopy for gastrointestinal symptoms or pathology. The study will assess the associations between gastric residue, gastrointestinal symptoms, underlying gastrointestinal diseases, and endoscopic findings. Data will be retrospectively collected from hospital records, anesthesia records, and endoscopy reports to investigate whether prolonged fasting duration reliably predicts an empty stomach in pediatric gastrointestinal patients.",[25,26,27],"Gastric Residue","Preoperative Fasting","Upper Gastrointestinal Endoscopy",[29,30,31,32,33],"Fasting","Endoscopy, Gastrointestinal","Gastric Emptying","Pediatrics","Anesthesia","NOT_YET_RECRUITING","2026-05-22",{"date":37,"type":38},"2026-05-29","ACTUAL",{"date":40,"type":21},"2026-06-01",{"date":42,"type":21},"2026-07-01",{"name":44,"class":45},"Bursa Sevket Yilmaz Training and Research Hospital","OTHER_GOV",1,{"id":48,"slug":49,"hasResults":11,"nctId":50,"briefTitle":51,"officialTitle":52,"acronym":4,"eligibilityCriteria":53,"healthyVolunteers":11,"sex":16,"minAge":54,"maxAge":55,"enrollmentInfo":56,"targetDuration":4,"studyType":58,"phases":59,"briefSummary":61,"conditions":62,"keywords":4,"overallStatus":34,"whyStopped":4,"lastUpdateSubmitDate":65,"lastUpdatePostDateStruct":66,"startDateStruct":68,"completionDateStruct":70,"leadSponsor":72,"locationsCount":46},"100630028","impact-of-different-fasting-strategies-on-gastric-ultrasound-and-anxiety-levels-in-children-100630028","NCT07482345","Impact of Different Fasting Strategies on Gastric Ultrasound and Anxiety Levels in Children","Impact of Three Different Preoperative Fasting Strategies on Gastric Ultrasound Findings and Anxiety Levels in Children Undergoing Inguinoscrotal Surgery: A Prospective Randomized Trial","Inclusion Criteria:\n\n* Patients scheduled to undergo elective surgery under general anesthesia for circumcision, undescended testis, inguinal hernia, and\u002For hypospadias (inguinoscrotal surgery)\n* Patients with an ASA physical status classification of I-II\n* Patients able to tolerate oral intake in the preoperative period and comply with the assigned fasting protocol\n* Written informed consent obtained from parents or legal guardians\n\nExclusion Criteria:\n\n* Patients with ASA physical status III or higher\n* Patients requiring emergency surgery\n* History of gastroesophageal reflux disease, gastrointestinal motility disorders, or metabolic\u002Fneurological diseases affecting gastric emptying\n* History of upper gastrointestinal surgery\n* Active upper respiratory tract infection or lower respiratory tract infection within the previous 2-4 weeks\n* Severe pulmonary disease, including uncontrolled or moderate-to-severe persistent asthma, bronchopulmonary dysplasia, cystic fibrosis, interstitial lung disease, or other chronic lung diseases\n* Diabetes mellitus or endocrine\u002Fmetabolic disorders that may affect perioperative glucose metabolism\n* Obese patients with high aspiration risk (\\>95th percentile for age)\n* Cognitive or communication impairments that may interfere with compliance with the study protocol\n* Grade 2 or Grade 3 gastric fullness detected on preoperative gastric ultrasonography\n* Lack of written informed consent from parents or legal guardians for participation in the study","2 Years","12 Years",{"count":57,"type":21},90,"INTERVENTIONAL",[60],"NA","Children who undergo surgery are usually asked to stop eating and drinking for several hours before anesthesia to reduce the risk of stomach contents entering the lungs. However, long fasting times may cause discomfort, dehydration, low blood sugar, and increased anxiety in children. Recent guidelines suggest that clear liquids can safely be allowed closer to the time of surgery, and some enhanced recovery protocols even recommend giving carbohydrate-containing drinks before anesthesia.\n\nThis study will compare three different preoperative fasting approaches in children undergoing elective inguinoscrotal surgery: traditional fasting, preoperative carbohydrate drinks, and the \"Sip-Til-Send\" approach, which allows clear fluids until the child is called to the operating room.\n\nThe children's anxiety levels will be evaluated before surgery using a validated anxiety scale and assess stomach content and volume using gastric ultrasound. The secondary outcomes such as nausea, vomiting, pain, emergence delirium, and blood glucose levels will be evaluated.\n\nThe results may help determine safer and more comfortable fasting strategies for children undergoing surgery.",[26,63,64],"Enhanced Recovery After Surgery (ERAS) Protocol","Pediatric Surgery","2026-03-19",{"date":67,"type":38},"2026-03-23",{"date":69,"type":21},"2026-03-25",{"date":71,"type":21},"2027-04-30",{"name":73,"class":45},"Bursa City Hospital",{"id":75,"slug":76,"hasResults":11,"nctId":77,"briefTitle":78,"officialTitle":78,"acronym":4,"eligibilityCriteria":79,"healthyVolunteers":11,"sex":16,"minAge":4,"maxAge":4,"enrollmentInfo":80,"targetDuration":4,"studyType":22,"phases":4,"briefSummary":82,"conditions":83,"keywords":88,"overallStatus":92,"whyStopped":4,"lastUpdateSubmitDate":93,"lastUpdatePostDateStruct":94,"startDateStruct":95,"completionDateStruct":97,"leadSponsor":99,"locationsCount":46},"100630499","quality-improvement-project-to-reduce-preoperative-fasting-times-before-elective-procedures-100630499","NCT07488468","Quality Improvement Project to Reduce Preoperative Fasting Times Before Elective Procedures","Inclusion Criteria:\n\n* All patients elective surgery or intervention requiring with anesthesiology care general anesthesia, regional anesthesia, sedation, or anesthesiology stand-by\n\nExclusion Criteria:\n\n* Already sedated, intubated, and mechanically ventilated patients",{"count":81,"type":21},1000,"This single-center quality improvement project evaluates preoperative fasting times before elective procedures requiring anesthesiology care. The project aims to reduce prolonged fasting for clear fluids by implementing a local standard operating procedure (SOP) allowing patients to drink clear liquids until being called to the operating room (\"drink until called\"), supported by staff education and fasting instruction cards. Fasting times and selected perioperative outcomes will be assessed before and after implementation.",[26,84,85,86,87],"Perioperative Patient Comfort \u002F Quality of Care","Postoperative Nausea and Vomiting (PONV)","Postoperative Pulmonary Complications","Delirium",[89,90,91],"Preoperative fasting","clear liquids","quality improvement","RECRUITING","2026-03-17",{"date":67,"type":38},{"date":96,"type":38},"2026-01-30",{"date":98,"type":21},"2026-07-30",{"name":100,"class":101},"University of Giessen","OTHER",{"id":103,"slug":104,"hasResults":11,"nctId":105,"briefTitle":106,"officialTitle":107,"acronym":4,"eligibilityCriteria":108,"healthyVolunteers":11,"sex":16,"minAge":109,"maxAge":110,"enrollmentInfo":111,"targetDuration":4,"studyType":22,"phases":4,"briefSummary":113,"conditions":114,"keywords":117,"overallStatus":34,"whyStopped":4,"lastUpdateSubmitDate":119,"lastUpdatePostDateStruct":120,"startDateStruct":121,"completionDateStruct":123,"leadSponsor":125,"locationsCount":127},"100630124","baseline-gastric-volume-in-diabetic-vs-non-diabetic-patients-100630124","NCT07483593","Baseline Gastric Volume in Diabetic vs Non-Diabetic Patients","Baseline Gastric Volume Measurement in Diabetic and Non-Diabetic Patients: A Non-Inferiority Study","Inclusion Criteria:\n\n* Ages 18-75\n* ASA I-III\n* BMI ≤ 40 kg\u002Fm2\n\nExclusion Criteria:\n\n* Patients with a history of gastrointestinal surgery,\n* Pregnant women,\n* Patients with documented abnormalities in the upper gastrointestinal tract, such as achalasia","18 Years","75 Years",{"count":112,"type":21},220,"During the preoperative preparation process, the fasting period for anesthesia is planned according to guidelines. According to standard guidelines, a fasting period of at least 2 hours is recommended for clear liquids, at least 6 hours for light meals, and at least 8 hours for a full meal. However, it has been reported that these guidelines are valid for healthy patients. It is thought that the planned fasting periods may vary in diabetic patients due to delayed gastric emptying. This study aims to calculate gastric volume under ultrasonography guidance and compare it with fasting time.",[115,26,116],"Gastric Volume","Diabetes Mellitus",[118,115,116],"Gastric Ultrasound","2026-03-16",{"date":65,"type":38},{"date":122,"type":21},"2026-04-20",{"date":124,"type":21},"2026-11-15",{"name":126,"class":101},"Kocaeli University",2,{"id":129,"slug":130,"hasResults":11,"nctId":131,"briefTitle":132,"officialTitle":133,"acronym":4,"eligibilityCriteria":134,"healthyVolunteers":135,"sex":136,"minAge":109,"maxAge":4,"enrollmentInfo":137,"targetDuration":4,"studyType":58,"phases":139,"briefSummary":140,"conditions":141,"keywords":144,"overallStatus":92,"whyStopped":4,"lastUpdateSubmitDate":147,"lastUpdatePostDateStruct":148,"startDateStruct":150,"completionDateStruct":152,"leadSponsor":154,"locationsCount":46},"100608687","effect-of-preoperative-oral-carbohydrate-drink-on-obsqor-10-score-after-elective-cesarean-under-neuraxial-anesthesia-100608687","NCT07204795","Effect of Preoperative Oral Carbohydrate Drink on ObsQoR-10 Score After Elective Cesarean Under Neuraxial Anesthesia","Evaluation of the Effect of Preoperatively Administered Oral Clear Carbohydrate-Rich Drink on ObsQoR-10 Recovery Scores of Patients Undergoing Elective Cesarean Section With Neuraxial Anesthesia: A Prospective, Randomized, Controlled, Double-Blind Study","Inclusion Criteria:\n\nAge ≥18 years\n\nScheduled for elective cesarean section under neuraxial anesthesia\n\nGestational age ≥37 weeks\n\nExclusion Criteria:\n\nContraindication to neuraxial anesthesia\n\nAge \\\u003C18 years\n\nRefusal to participate in the study\n\nObesity\n\nHiatal hernia\n\nIntestinal obstruction\n\nGastroesophageal reflux disease (GERD)\n\nDiabetes mellitus\n\nFetal anomalies\n\nEclampsia or preeclampsia\n\nSubstance abuse\n\nChronic pain conditions",true,"FEMALE",{"count":138,"type":21},100,[60],"The goal of this clinical trial is to determine whether a preoperative oral carbohydrate-rich clear drink can improve recovery in women undergoing elective cesarean section under neuraxial anesthesia. The main outcomes it aims to answer are:\n\nPrimary Outcome: Does the carbohydrate drink improve ObsQoR-10 scores at 24 and 48 hours postoperatively?\n\nSecondary Outcomes: Does it reduce patients' hunger, thirst, and anxiety levels?\n\nResearchers will compare patients receiving a 400 ml oral carbohydrate-rich clear drink 2 hours before surgery (Group A) to those receiving 400 ml distilled water (Group B), to assess differences in recovery and comfort.\n\nParticipants will:\n\nBe randomized into two equal groups (n=50 each) using a computer-generated randomization table\n\nReceive standardized anesthesia and postoperative analgesia",[142,143,26],"ObsQor-10","Cesarean Section",[142,143,145,26,146],"Neuraxial Anesthesia","Oral Clear Carbohydrate Drink","2025-09-30",{"date":149,"type":38},"2025-10-02",{"date":151,"type":38},"2025-05-20",{"date":153,"type":21},"2026-05",{"name":155,"class":101},"Ataturk University",{"id":157,"slug":158,"hasResults":11,"nctId":159,"briefTitle":160,"officialTitle":161,"acronym":162,"eligibilityCriteria":163,"healthyVolunteers":11,"sex":16,"minAge":109,"maxAge":4,"enrollmentInfo":164,"targetDuration":4,"studyType":58,"phases":166,"briefSummary":167,"conditions":168,"keywords":174,"overallStatus":92,"whyStopped":4,"lastUpdateSubmitDate":177,"lastUpdatePostDateStruct":178,"startDateStruct":180,"completionDateStruct":182,"leadSponsor":184,"locationsCount":46},"100497676","intermittent-fasting-versus-carbohydrate-drinks-before-surgery-100497676","NCT05760339","Intermittent Fasting Versus Carbohydrate Drinks Before Surgery","Preoperative Intermittent Fasting Versus Carbohydrate Loading to Reduce Insulin Resistance: a Randomised Controlled Trial","PRINCESS","Inclusion Criteria:\n\n* Undergoing elective orthopaedic surgery;\n* Intermediate, major or complex surgery according to the Surgical Outcome Risk Tool (SORT; http:\u002F\u002Fwww.sortsurgery.com\u002F) severity of surgery classification;\n* Scheduled for surgery at least 17 days from the date of screening;\n* Motivated to follow a time restricted feeding regimen.\n* Willing and able to provide written informed consent.\n\nExclusion Criteria:\n\n* History of diabetes mellitus;\n* History of feeding or eating disorders;\n* History of delayed gastric emptying or gastro-oesophageal reflux\n* Active malignancy\n* Patients classified as ASA IV by the attending anaesthetist;\n* BMI \\\u003C 18.5 or ≥ 35;\n* Outpatient or day case surgery;\n* Palliative surgery;\n* Participation in another clinical trial that is interfering with the procedures or outcomes of the PRINCESS trial;\n* Patients unable to fully comply to study needs (e.g. legally incapable patients or patients unable to communicate in Dutch).",{"count":165,"type":21},75,[60],"The purpose of this study is to investigate whether time-restricted feeding, a form of intermittent fasting, before surgery improves insulin resistance around the time of surgery, compared to carbohydrate drinks and standard fasting before surgery.",[169,170,171,26,172,173],"Perioperative Care","Intermittent Fasting","Carbohydrate Loading","Orthopedic Surgery","Insulin Resistance",[169,171,172,173,175,176],"HOMA-IR","Time Restricted Feeding","2024-10-18",{"date":179,"type":38},"2024-10-22",{"date":181,"type":38},"2023-03-20",{"date":183,"type":21},"2025-09",{"name":185,"class":101},"Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)"]