[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100581501":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":25,"centralContacts":30,"locations":36,"responsibleParty":56,"collaborators":25,"id":58,"slug":59,"hasResults":60,"nctId":61,"briefTitle":62,"officialTitle":62,"acronym":63,"eligibilityCriteria":64,"healthyVolunteers":60,"sex":65,"minAge":66,"maxAge":67,"enrollmentInfo":68,"targetDuration":25,"studyType":71,"phases":72,"briefSummary":74,"conditions":75,"keywords":77,"overallStatus":39,"whyStopped":25,"lastUpdateSubmitDate":80,"lastUpdatePostDateStruct":81,"startDateStruct":84,"completionDateStruct":86,"leadSponsor":88,"locationsCount":89},{"fullName":5,"class":6},"Swiss Federal Institute of Technology","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"80 mg","EXPERIMENTAL","Daily dose of 80 mg of iron for 1 month, with a 7-day break, then again for another month (2 months total).",[13],"Dietary Supplement: ferrous sulfate 80 mg",{"label":15,"type":10,"description":16,"interventionNames":17},"160","Daily dose of 160 mg of iron for 1 month, with a 7-day break, then again for another month (2 months total).",[18],"Dietary Supplement: ferrous sulfate 160 mg",[20,26],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"DIETARY_SUPPLEMENT","ferrous sulfate 80 mg","1 tablet per day",[9],null,{"type":21,"name":27,"description":28,"armGroupLabels":29,"otherNames":25},"ferrous sulfate 160 mg","2 tablets per day",[15],[31],{"name":32,"role":33,"phone":34,"phoneExt":25,"email":35},"Nicole Stoffel, PhD","CONTACT","+41 44 632 83 93","nicole.stoffel@hest.ethz.ch",[37],{"facility":38,"status":39,"city":40,"state":41,"zip":42,"country":43,"countryCode":44,"cosmosGeoPoint":45,"geoPoint":50,"contacts":51},"Laboratory of Nutrition and Metabolic Epigenetics","RECRUITING","Zurich","Canton of Zurich","8092","Switzerland","CH",{"type":46,"coordinates":47},"Point",[48,49],8.55,47.36667,{"lat":49,"lon":48},[52],{"name":53,"role":33,"phone":54,"phoneExt":25,"email":55},"Gian Tizio Rosalen, MSc","+41446328393","giantizio.rosalen@hest.ethz.ch",{"type":57,"investigatorFullName":25,"investigatorTitle":25,"investigatorAffiliation":25,"oldNameTitle":25,"oldOrganization":25},"SPONSOR","100581501","assessing-the-immediate-increase-in-serum-ferritin-after-oral-iron-doses-an-experimental-study-in-iron-deficient-women-100581501",false,"NCT06851130","Assessing the Immediate Increase in Serum Ferritin After Oral Iron Doses: an Experimental Study in Iron-deficient Women","INFER 2","Inclusion Criteria:\n\n* Low iron stores (SF levels \\\u003C 30 µg\u002FL),\n* no anemia (Hb \\> 120 g\u002FL)\n* no inflammation (CRP \\\u003C 5 mg\u002FL)\n* 18 to 45 years old.\n* Body weight \\\u003C70 kg\n* Normal body Mass Index (18.5-26.5 kg\u002Fm2)\n\nExclusion Criteria:\n\n* Any chronic or acute disease\n* Consumption of mineral and vitamin supplements since screening and over the study period\n* Blood transfusion, blood donation or significant blood loss over the past 4 months,\n* Pregnant or breastfeeding,\n* Continuous\u002Flong-term use of medication during the whole studies (except for contraceptives)\n* Therapeutic iron infusion over the past 6 months,\n* Known hypersensitivity or allergy to iron supplements,\n* Intention to become pregnant over the course of the study","FEMALE","18 Years","45 Years",{"count":69,"type":70},120,"ESTIMATED","INTERVENTIONAL",[73],"NA","Serum ferritin is a key indicator of body iron stores and is widely used in monitoring iron status. However, oral iron doses can acutely elevate SF levels, potentially biasing assessments of iron stores during supplementation. This study aims to investigate the extent and duration of the acute iron-induced effect on serum ferritin following the administration of a daily iron dose for two months.",[76],"Iron Deficiency Without Anemia",[78,79],"serum ferritin","oral iron supplementation","2025-05-19",{"date":82,"type":83},"2025-05-20","ACTUAL",{"date":85,"type":83},"2025-02-25",{"date":87,"type":70},"2025-12-31",{"name":5,"class":6},1]