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    Summary
    EudraCT Number:2012-000356-33
    Sponsor's Protocol Code Number:oxy123
    National Competent Authority:Sweden - MPA
    Clinical Trial Type:EEA CTA
    Trial Status:Prematurely Ended
    Date on which this record was first entered in the EudraCT database:2013-01-22
    Trial results
    Index
    A. PROTOCOL INFORMATION
    B. SPONSOR INFORMATION
    C. APPLICANT IDENTIFICATION
    D. IMP IDENTIFICATION
    D.8 INFORMATION ON PLACEBO
    E. GENERAL INFORMATION ON THE TRIAL
    F. POPULATION OF TRIAL SUBJECTS
    G. INVESTIGATOR NETWORKS TO BE INVOLVED IN THE TRIAL
    N. REVIEW BY THE COMPETENT AUTHORITY OR ETHICS COMMITTEE IN THE COUNTRY CONCERNED
    P. END OF TRIAL
    Expand All   Collapse All
    A. Protocol Information
    A.1Member State ConcernedSweden - MPA
    A.2EudraCT number2012-000356-33
    A.3Full title of the trial
    Delay in labour due to ineffective uterine contractions is still a major problem in modern obstetric care. It is one of the main reasons for the increased rate of operative deliveries, particularly among nulliparous women, and also associated with other childbirth complications and negative childbirth experiences.
    Infusion with synthetic oxytocin is a commonly used treatment for enhancing uterine contractions in delayed labour. Despite the widespread oxytocin use no consensus exists regarding use of dosage. There is also a lack of knowledge of the associations between oxytocin dosage and how the women experience labour and pain during childbirth. Evidence regarding dosage of oxytocin is insufficient but there is some support in earlier research for a reduction in cesarean deliveries when a regimen of high dose oxytocin is used.
    The hypothesis is that treatment with high dose oxytocin reduces the caesarean delivery rate without negatively affecting neonatal outcomes or childbirth experiences. The aim of this study is to compare maternal and neonatal outcomes and childbirth experience in nulliparous women with delay in labour allocated to 1) high dose and 2) low dose of oxytocin augmentation.
    The study is a randomized controlled double blind trial including healthy nulliparous women with normal pregnancy at term, spontaneous onset of active labour and with a defined delay in labour. Participating women will be randomised to high or low dose oxytocin augmentation. Primary outcome is caesarean delivery rate. Secondary outcomes are spontaneous vaginal delivery, overstimulation, postpartum haemorrhage, retained placenta, neonatal outcomes,maximum and total oxytocin dose, labour duration, use of epidural analgesia, perineal trauma, labour pain and childbirth experience.
    Study results will contribute to establish good evidence-based routines regarding oxytocin treatment of slow labour progress.
    Långsam förlossningsprogress är ett vanligt förekommande problem inom modern förlossningsvård och studier visar att mer än en tredjedel av förstföderskorna riskerar att drabbas. Ett långdraget förlopp är förenat med ökade risker för akut kejsarsnitt, negativ förlossningsupplevelse och andra komplikationer för den födande kvinnan och hennes barn. I Sverige, liksom i andra länder, har kejsarsnittsfrekvensen ökat kraftigt de senaste decennierna, där långsam förlossningsprogress är en bidragande orsak.
    Idag är kontinuerlig infusion med syntetiskt oxytocin en vanlig metod för att korrigera ett ineffektivt värkarbete. Evidens saknas dock vad som är optimal dosering och även doseringen betydelse för kvinnans smärt- och förlossningsupplevelse. Tidigare forskning är otillräcklig men indikerar fördelar med högdosanvändning. Hypotesen bakom denna studie är att högdos av oxytocin medför färre kejsarsnitt utan att påverka barnets hälsa eller kvinnans förlossningsupplevelse negativt.
    Syftet med studien är att jämföra förlossningsutfall och förlossningsupplevelse hos kvinnor med långsam förlossningsprogress där 1) högdos, respektive 2) lågdos av oxytocin administreras.
    Detta är en är randomiserad dubbelblind studie. Inklusionskriterier är friska förstföderskor med normal och fullgången graviditet, ett foster i huvudbjudning och spontan förlossningsstart. Vid avstannad progress randomiseras kvinnorna till antingen högdos eller lågdos oxytocin. Den primära utfallsvariabeln är antal kejsarsnitt men även instrumentell förlossning, duration av värkarbetet, överstimulering av värkarbetet,total och maxdos oxytocin, blödning efter förlossning, placenta lösning,sfinkterruptur, förlossningslängd epiduralbedövning, komplikationer hos barnet, förlossningssmärta och förlossningsupplevelse kommer att följas upp.
    Studieresultaten kan användas för att etablera optimala behandlingsrutiner vid långsam förlossningsprogress med avseende på både förlossningsutfall och kvinnans upplevelse.
    A.3.1Title of the trial for lay people, in easily understood, i.e. non-technical, language
    Prolonged labour with increased risk of cesarean section and negative birth experience is common among first-time mothers. Treatment today is continuous infusion of synthetic oxytocin. Knowledge is lacking, however regarding the optimal dosage. In this study, healthy primiparous women with normal pregnancy, spontaneous start and prolonged progress will receive either high or low dose of oxytocin. Frequency of cesarean delivery, infant health and women's childbirth experience will be examened.
    Ett långdraget förlopp med ökad risk för kejsarsnitt och negativ upplevelse är vanligt hos kvinnor som ska föda sitt första barn. Behandlingen idag är främst kontinuerlig infusion av syntetiskt oxytocin. Kunskap saknas dock om optimal dosering. I denna studie kommer friska förstföderskor med normal graviditet, spontan förlossningsstart och förlängd progress att lottas till hög eller låg dos av oxytocin. Antal kejsarsnitt, barnets hälsa och kvinnans förlossningsupplevelse kommer att följas upp.
    A.3.2Name or abbreviated title of the trial where available
    High dose versus low dose oxytocin for augmentation of delayed labour
    Behandling med högdos alternativt lågdos oxytocin för värkstimulering under förlossning.
    A.4.1Sponsor's protocol code numberoxy123
    A.5.2US NCT (ClinicalTrials.gov registry) numberNCT01587625
    A.7Trial is part of a Paediatric Investigation Plan No
    A.8EMA Decision number of Paediatric Investigation Plan
    B. Sponsor Information
    B.Sponsor: 1
    B.1.1Name of SponsorVästra Götaland
    B.1.3.4CountrySweden
    B.3.1 and B.3.2Status of the sponsorNon-Commercial
    B.4 Source(s) of Monetary or Material Support for the clinical trial:
    B.4.1Name of organisation providing supportDepartment of Obstetrics and Gynecology, NU Hospital Group (NÄL), Trollhättan
    B.4.2CountrySweden
    B.4.1Name of organisation providing supportDepartment of Obstetrics and Gynecology, Sahlgrenska University Hospital, Gothenburg
    B.4.2CountrySweden
    B.4.1Name of organisation providing supportResearch and development council of the county Fyrbodal ( Lokala FoU-rådet Fyrbodal)
    B.4.2CountrySweden
    B.4.1Name of organisation providing supportThe Health and Medical Care Committee of the Regional Executive Board, Region Västra Götaland
    B.4.2CountrySweden
    B.5 Contact point designated by the sponsor for further information on the trial
    B.5.1Name of organisationInstitute of Health and Care Sciences, Sahlgrenska Academy, University of Gothenburg Box 457, 405 30 Gothenburg, Sweden
    B.5.2Functional name of contact pointMarie Berg, Professor
    B.5.3 Address:
    B.5.3.1Street AddressBox 457
    B.5.3.2Town/ cityGothenburg
    B.5.3.3Post code405 30
    B.5.3.4CountrySweden
    B.5.4Telephone number46317866084
    B.5.6E-mailmarie.berg@fhs.gu.se
    D. IMP Identification
    D.IMP: 1
    D.1.2 and D.1.3IMP RoleComparator
    D.2 Status of the IMP to be used in the clinical trial
    D.2.1IMP to be used in the trial has a marketing authorisation Yes
    D.2.1.1.1Trade name Oxytocin Pilum 8,3 mikrogram/ml
    D.2.1.1.2Name of the Marketing Authorisation holderPilum Pharma AB
    D.2.1.2Country which granted the Marketing AuthorisationSweden
    D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
    D.2.5.1Orphan drug designation number
    D.3 Description of the IMP
    D.3.4Pharmaceutical form Concentrate and solvent for solution for injection/infusion
    D.3.4.1Specific paediatric formulation No
    D.3.7Routes of administration for this IMPIntravenous drip use (Noncurrent)
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNoxytocin
    D.3.9.1CAS number 50-56-6
    D.3.9.3Other descriptive nameOXYTOCIN
    D.3.9.4EV Substance CodeSUB09580MIG
    D.3.10 Strength
    D.3.10.1Concentration unit µg/ml microgram(s)/millilitre
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number 8.3
    D.3.11 The IMP contains an:
    D.3.11.1Active substance of chemical origin No
    D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) No
    The IMP is a:
    D.3.11.3Advanced Therapy IMP (ATIMP) Yes
    D.3.11.3.1Somatic cell therapy medicinal product No
    D.3.11.3.2Gene therapy medical product No
    D.3.11.3.3Tissue Engineered Product No
    D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) No
    D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product No
    D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
    D.3.11.5Radiopharmaceutical medicinal product No
    D.3.11.6Immunological medicinal product (such as vaccine, allergen, immune serum) No
    D.3.11.7Plasma derived medicinal product No
    D.3.11.8Extractive medicinal product No
    D.3.11.9Recombinant medicinal product No
    D.3.11.10Medicinal product containing genetically modified organisms No
    D.3.11.11Herbal medicinal product No
    D.3.11.12Homeopathic medicinal product No
    D.3.11.13Another type of medicinal product Yes
    D.3.11.13.1Other medicinal product typeThe synthetic nonapeptide is identical with oxytocin,a hormone produced by the posterior pituitary.
    D.8 Information on Placebo
    E. General Information on the Trial
    E.1 Medical condition or disease under investigation
    E.1.1Medical condition(s) being investigated
    Labor dystocia (LD) also referred to as prolonged labour is a commonly identified problem in modern delivery care with three described possible causes: inefficient uterine action, occiputposterior position and cephalopelvic disproportion. Inefficient uterine action is the most frequent cause of LD and the most common complication of labour in primiparous women. LD is related to increased maternal morbidity and operative deliveries and is one of the main reasons for cesarean section.
    Dystoci, vilket också kan benämnas långsam förlossningsprogress är ett vanligt förekommande problem inom modern förlossningsvård och beskrivs bero på tre möjliga orsaker; felinställning, disproportion och ineffektivt värkarbete. Ett långdraget förlossningsförlopp är förenat med ökade risker för komplikationer hos kvinnan och hennes barn och är en bidragande orsak till den ökade frekvensen kejsarsnitt runt om i världen.
    E.1.1.1Medical condition in easily understood language
    Prolonged labour due to inefficient labour pain is a common complication among first-time mothers and is one of the main reasons for difficult labour and cesarean section in Sweden and other countries
    Långsam förlossningsprogress pga ett ineffektivt värkarbete är ett vanligt förekommande problem hos förstföderskor och ökar risken för komplicerad förlossning och kejsarsnitt.
    E.1.1.2Therapeutic area Diseases [C] - Female diseases of the urinary and reproductive systems and pregancy complications [C13]
    MedDRA Classification
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 14.1
    E.1.2Level LLT
    E.1.2Classification code 10056139
    E.1.2Term Labour abnormal
    E.1.2System Organ Class 100000004868
    E.1.3Condition being studied is a rare disease No
    E.2 Objective of the trial
    E.2.1Main objective of the trial
    The objective of this study is to compare starting dose and increment of amount of oxytocin for augmentation for women delayed in labour to determine whether augmentation by high dose of oxytocin (6,6 mE/min increasing to a maximum dose of 59,4 mE/min) improves labour outcomes compared with a low dose of oxytocin (3,3 mE/min increasing to a maximum dose of 29,7 mE/min), without effecting neonatal outcomes or birth experiences negatively. Primary outcome is caesarean delivery rate. Secondary outcomes are Apgar score <7 at 5 minutes, umbilical cord arterial pH<7,05, need of neonatal intensive care, overstimulation spontaneous vaginal birth, labour duration, postpartum haemorrhage, retained placenta,maximum and total oxytocin dose, use of epidural analgesia, perineal trauma, experienced labour pain, and the women´s childbirth experience one month postpartum. The study is based in two sites in three maternity units and will recruit 1376 women
    Syftet med studien är att jämföra förlossningsutfall och förlossningsupplevelse (inklusive smärtupplevelse) hos kvinnor med långsam förlossningsprogress där 1) högdos av oxytocin (startdos med 6,6 mE/min och med en dos ökning till maximum 59,4 mE/min) respektive 2) lågdos av oxytocin (startdos med 3,3 mE/min och med en dosökning till maximum 29,7 mE/min) administreras. Hypotesen är att högdos oxytocin medför färre kejsarsnitt utan att påverka barnets hälsa eller kvinnans förlossningsupplevelse. Primär utfallsvariabel är sectiofrekvens. Övriga utfallsvariabler som kommer att studeras är Apgar score < 7 vid 5 minuter, navelsträngspH (arteriellt) <7.05,vård på neonatalavdelning, överstimulering, spontan vaginalförlossning, förlossningslängd, postpartumblödning, placentalösning, maximum och total dos oxytocin,epiduralbedövning,sfinkterruptur, smärtupplevelse, förlossningsupplevelse en månad postpartum. Studien kommer att genomföras på tre förlossningsavdelningar och inkludera 1376 kvinnor
    E.2.2Secondary objectives of the trial
    Not applicable
    E.2.3Trial contains a sub-study No
    E.3Principal inclusion criteria
    Inclusion criteria :
    • healthy nulliparous women with a normal singleton pregnancy at term (37+0 – 41+6 weeks) gestation with fetus in vertex presentation and spontaneous onset of labour
    • confirmed delay in labour and with ruptured membranes

    Inklusionskriterier:
    • friska förstföderskor, normal och fullgången graviditet med 37+0 till 41+6 graviditetsveckor, foster i huvudbjudning,enkelbörd och spontan förlossningstart
    • diagnostiserad förlängd förlossningsprocess och brustna fosterhinnor
    E.4Principal exclusion criteria
    Exclusion criteria:
    Women under 18 years old,non-Swedish speaking women, women with previous uterine surgery, vaginal bleeding during labour of clinical significance, abnormal vertex presentation, fetal growth retardation > - 22 %, fetal heart rate abnormalities, heavy meconium staining, contra-indication to oxytocin therapy
    Exklusionkriterier : kvinnor < 18 år, ej svenskspråkiga kvinnor, kvinnor med tidigare livmoderoperation, blödning under förlossning, tillväxthämning > - 22 %, fosterljudspåverkan, tjockt mekoniumfärgat fostervatten, felinställning av fostret ( ansikts- eller pannbjudning) samt kontraindikation till oxytocinterapi
    E.5 End points
    E.5.1Primary end point(s)
    The primary endpoint is an assumed decrease of caesarean section rate from 17.5 % to 12% (α=0.05, β=0.80), 688 women will be needed in each group.
    För att påvisa en minskning i det primära utfallet, kejsarsnitt, från idag 17,5 % till 12 % fordras att 688 patienter inkluderas i varje arm (80 % styrka, 0,05 signifikansnivå).
    E.5.1.1Timepoint(s) of evaluation of this end point
    This study based in two sites (three maternity units) estimates to recruit 1376 (688 patients in each arm)patients over a period of two years.
    Studien som kommer att bedrivas på två förlossningskliniker (tre förlossningsavdelningar) förväntas kunna rekrytera 1376 (688 patienter i var arm) patienter under en tvåårsperiod.
    E.5.2Secondary end point(s)
    Not applicable
    E.5.2.1Timepoint(s) of evaluation of this end point
    Not applicable
    E.6 and E.7 Scope of the trial
    E.6Scope of the trial
    E.6.1Diagnosis No
    E.6.2Prophylaxis No
    E.6.3Therapy Yes
    E.6.4Safety Yes
    E.6.5Efficacy Yes
    E.6.6Pharmacokinetic No
    E.6.7Pharmacodynamic No
    E.6.8Bioequivalence No
    E.6.9Dose response Yes
    E.6.10Pharmacogenetic No
    E.6.11Pharmacogenomic No
    E.6.12Pharmacoeconomic No
    E.6.13Others No
    E.7Trial type and phase
    E.7.1Human pharmacology (Phase I) No
    E.7.1.1First administration to humans No
    E.7.1.2Bioequivalence study No
    E.7.1.3Other No
    E.7.1.3.1Other trial type description
    E.7.2Therapeutic exploratory (Phase II) No
    E.7.3Therapeutic confirmatory (Phase III) No
    E.7.4Therapeutic use (Phase IV) Yes
    E.8 Design of the trial
    E.8.1Controlled Yes
    E.8.1.1Randomised Yes
    E.8.1.2Open No
    E.8.1.3Single blind No
    E.8.1.4Double blind Yes
    E.8.1.5Parallel group Yes
    E.8.1.6Cross over No
    E.8.1.7Other No
    E.8.2 Comparator of controlled trial
    E.8.2.1Other medicinal product(s) No
    E.8.2.2Placebo No
    E.8.2.3Other Yes
    E.8.2.3.1Comparator description
    I studien kommer två olika doseringar av samma produkt att jämföras
    In the trial different dosage of the same product will be compared
    E.8.2.4Number of treatment arms in the trial2
    E.8.3 The trial involves single site in the Member State concerned No
    E.8.4 The trial involves multiple sites in the Member State concerned Yes
    E.8.4.1Number of sites anticipated in Member State concerned2
    E.8.5The trial involves multiple Member States No
    E.8.6 Trial involving sites outside the EEA
    E.8.6.1Trial being conducted both within and outside the EEA No
    E.8.6.2Trial being conducted completely outside of the EEA No
    E.8.7Trial has a data monitoring committee Yes
    E.8.8 Definition of the end of the trial and justification where it is not the last visit of the last subject undergoing the trial
    The study will end two mounths after the last patient has given birth
    Studien avslutas två månader efter att den sista patienten blivit förlöst.
    E.8.9 Initial estimate of the duration of the trial
    E.8.9.1In the Member State concerned years2
    E.8.9.1In the Member State concerned months0
    E.8.9.1In the Member State concerned days0
    F. Population of Trial Subjects
    F.1 Age Range
    F.1.1Trial has subjects under 18 No
    F.1.1.1In Utero No
    F.1.1.2Preterm newborn infants (up to gestational age < 37 weeks) No
    F.1.1.3Newborns (0-27 days) No
    F.1.1.4Infants and toddlers (28 days-23 months) No
    F.1.1.5Children (2-11years) No
    F.1.1.6Adolescents (12-17 years) No
    F.1.2Adults (18-64 years) Yes
    F.1.2.1Number of subjects for this age range: 1376
    F.1.3Elderly (>=65 years) No
    F.2 Gender
    F.2.1Female Yes
    F.2.2Male No
    F.3 Group of trial subjects
    F.3.1Healthy volunteers No
    F.3.2Patients Yes
    F.3.3Specific vulnerable populations Yes
    F.3.3.1Women of childbearing potential not using contraception No
    F.3.3.2Women of child-bearing potential using contraception Information not present in EudraCT
    F.3.3.3Pregnant women Yes
    F.3.3.4Nursing women No
    F.3.3.5Emergency situation No
    F.3.3.6Subjects incapable of giving consent personally No
    F.3.3.7Others No
    F.4 Planned number of subjects to be included
    F.4.1In the member state1376
    F.5 Plans for treatment or care after the subject has ended the participation in the trial (if it is different from the expected normal treatment of that condition)
    None
    G. Investigator Networks to be involved in the Trial
    N. Review by the Competent Authority or Ethics Committee in the country concerned
    N.Competent Authority Decision Authorised
    N.Date of Competent Authority Decision2013-03-19
    N.Ethics Committee Opinion of the trial applicationFavourable
    N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
    N.Date of Ethics Committee Opinion2013-03-27
    P. End of Trial
    P.End of Trial StatusPrematurely Ended
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