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Ward-Level Implementation and Post-Market Clinical Follow-up Study of ASISU Under Routine Clinical Practice (ASISU-PMCF)

5 november 2026 uppdaterad av: oasicare ApS

Ward-Level Implementation and Observational Post-Market Clinical Follow-up Study of ASISU Under Routine Clinical Practice

This is a single-center, prospective, non-randomized post-market clinical follow-up study evaluating the implementation and clinical performance of ASISU during routine vaginal childbirth. ASISU is a Conformité Européenne (CE)-marked medical device, single-use medical device intended to provide perineal protection during the second stage of vaginal childbirth.

Approximately 280 nulliparous participants undergoing eligible vaginal birth at ≥37 weeks of gestation will be prospectively enrolled following ward-level implementation of ASISU.

ASISU will be used within its intended purpose and according to the Instructions for Use. Although ASISU is prospectively introduced at ward level as part of the study, use of ASISU in an individual birth remains subject to clinical judgment and is not mandated in every enrolled participant.

The study will evaluate implementation of ASISU in routine maternity care and clinical outcomes, including Grade 2 perineal tears. Outcomes following implementation will be compared descriptively with eligible historical pre-implementation routine-care data.

Studieöversikt

Status

Rekrytering

Betingelser

Intervention / Behandling

Detaljerad beskrivning

ASISU is a CE-marked, single-use perineal protection device intended for use during the second stage of vaginal childbirth.

This study prospectively introduces ASISU at ward level within routine maternity care and evaluates its implementation and clinical performance. Midwives and relevant clinical staff will receive standardized training in use of ASISU before implementation.

Approximately 280 evaluable nulliparous participants undergoing eligible vaginal birth at ≥37 weeks of gestation will be prospectively enrolled. ASISU will be used within its intended purpose and according to the Instructions for Use.

Enrollment does not mandate application of ASISU in every individual birth. The responsible clinical staff retain discretion regarding whether ASISU is used according to the clinical circumstances, maternal preference and routine care.

Prospective clinical data will include ASISU use, non-use and discontinuation, reasons for non-use or discontinuation, episiotomy, perineal tear degree and type, maternal birthing position, maternal characteristics and infant birth weight.

The primary clinical outcome is the incidence of Grade 2 perineal tears. Outcomes following implementation will be compared descriptively with an eligible historical pre-implementation reference cohort derived from routine-care data, provided compatible outcome definitions and denominators are available.

Implementation outcomes include staff training and competency, integration into clinical workflow, successful device use, discontinuation and reasons for non-use.

The study does not involve randomization, blinding, use of ASISU outside its intended purpose, or additional invasive or burdensome clinical procedures.

Studietyp

Interventionell

Inskrivning (Beräknad)

280

Fas

  • Inte tillämpbar

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studiekontakt

  • Namn: Bushra Shahida, PhD
  • Telefonnummer: +45 28262484
  • E-post: bushra@oasi.care

Studera Kontakt Backup

Studieorter

      • Hvidovre, Danmark, 2650
        • Rekrytering
        • Amager & Hvidovre Hospital
        • Kontakt:
        • Kontakt:
        • Underutredare:
          • Catharina Hein Hoffmann, MD
        • Underutredare:
          • Nanna Bjerg Pagh, Midwife

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

18 år och äldre (Vuxen, Äldre vuxen)

Tar emot friska volontärer

Ja

Kön som är behöriga för studier

Kvinna

Beskrivning

Inclusion Criteria:

  • Nulliparous participant
  • Gestational age ≥37 completed weeks
  • Eligible for vaginal birth
  • Meets predefined study eligibility criteria -Written informed consent obtained before study-specific data collection -

Exclusion Criteria:

  • Birth requiring or proceeding to instrumental intervention for the primary efficacy endpoint. If such a conversion occurs after consent, the reason may still be summarized as an implementation interruption where recorded.

    • Known perineal abnormality or complication incompatible with ASISU use or requiring surgical intervention during delivery.
    • Births involving episiotomy.
    • Planned caesarean section or intrapartum conversion to caesarean section for the clinical efficacy analysis.
    • Birth in water.
    • Genital warts (HPV/condylomata) affecting the perineal area.
    • Perineal varices.
    • Active genital herpes outbreak.
    • Known hypersensitivity or intolerance to ASISU device materials or adhesive.
    • For the prospective observational cohort: inability or unwillingness to provide valid informed consent excludes the individual from enrolment and from inclusion of her individual-level data in the study dataset. It does not, in itself, constitute a clinical contraindication to routine use of ASISU.

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Förebyggande
  • Tilldelning: N/A
  • Interventionsmodell: Enskild gruppuppgift
  • Maskning: Ingen (Open Label)

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: ASISU Ward-Level Implementation

Participants enrolled following ward-level implementation of ASISU. ASISU is available for use during the second stage of vaginal childbirth according to its intended purpose and Instructions for Use. Application of ASISU in an individual birth remains subject to clinical judgment and is not mandated for every enrolled participant.

ASISU is a CE-marked, single-use perineal protection device intended for use during the second stage of vaginal childbirth. The device is used according to its intended purpose and Instructions for Use. Following ward-level implementation, application in an individual birth is determined by the responsible clinical staff based on clinical circumstances and routine care and is not mandated in every enrolled participant.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Incidence of Grade 2 Perineal Tears
Tidsram: Immediately after vaginal childbirth

Proportion of eligible participants with a documented Grade 2 perineal tear. The numerator is the number of eligible participants with a documented Grade 2 perineal tear and the denominator is the number of eligible participants with known perineal tear grade. Grade 3 and Grade 4 perineal tears are not counted as Grade 2 events and will be reported separately and included in exploratory analyses of Grade ≥2 perineal tears.

Immediately after vaginal childbirth

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Incidence of Grade ≥2 perineal tears
Tidsram: Immediately after vaginal childbirth

Proportion of eligible participants experiencing Grade 2, Grade 3 or Grade 4 perineal tears.

Immediately after vaginal childbirth
Successful ASISU use
Tidsram: During vaginal childbirth, assessed immediately after each delivery

Number and proportion of births in which ASISU use was attempted and successfully completed without device discontinuation.

During vaginal childbirth, assessed immediately after each delivery
ASISU non-use
Tidsram: Through completion of the 3-month implementation period

Number and proportion of enrolled eligible births in which ASISU was not used, including documented reasons for non-use.

Through completion of the 3-month implementation period

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

Utredare

  • Huvudutredare: Lone Krebs, MD, PhD, Amager & Hvidovre Hospital

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Faktisk)

4 november 2026

Primärt slutförande (Beräknad)

28 februari 2027

Avslutad studie (Beräknad)

28 maj 2027

Studieregistreringsdatum

Först inskickad

18 september 2026

Först inskickad som uppfyllde QC-kriterierna

24 september 2026

Första postat (Faktisk)

28 september 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

10 november 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

5 november 2026

Senast verifierad

1 november 2026

Mer information

Termer relaterade till denna studie

Andra studie-ID-nummer

  • ASISU-PMCF-HH-001

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

NEJ

IPD-planbeskrivning

There is currently no plan to share individual participant data. Any future data sharing would be subject to applicable data protection requirements, participant confidentiality, and relevant institutional and ethical approvals.

Läkemedels- och apparatinformation, studiedokument

Studerar en amerikansk FDA-reglerad läkemedelsprodukt

Nej

Studerar en amerikansk FDA-reglerad produktprodukt

Nej

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