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PROMab Trial: Ampicillin With or Without Gentamicin for Term Prelabour Rupture of Membranes (PROMab)

25 de abril de 2026 actualizado por: Jagdeesh Kaur, Sarawak General Hospital

Term Prelabour Rupture of Membranes Antibiotic Prophylaxis (PROMab) Trial

The goal of this clinical trial is to learn whether adding gentamicin to standard ampicillin prophylaxis can better prevent clinical chorioamnionitis and other maternal and neonatal infectious complications in pregnant women aged 18 years or older with singleton, cephalic, term pregnancies and confirmed prelabour rupture of membranes. The main questions it aims to answer are:

Does ampicillin plus gentamicin reduce the incidence of clinical chorioamnionitis compared with ampicillin alone? Does ampicillin plus gentamicin improve maternal infectious outcomes and neonatal infection-related outcomes compared with ampicillin alone?

Researchers will compare ampicillin alone with ampicillin plus gentamicin to see whether broader antibiotic coverage reduces maternal and neonatal infectious morbidity.

Participants will:

  1. undergo screening and eligibility assessment
  2. provide written informed consent before randomisation
  3. be randomly assigned to receive either intravenous ampicillin alone or intravenous ampicillin plus gentamicin
  4. start study antibiotics at 12 hours after membrane rupture and continue treatment until delivery
  5. undergo routine maternal and fetal monitoring during labour and delivery have maternal and neonatal outcomes assessed during hospital stay and up to 42 days postpartum, including telephone follow-up at Day 14 and Day 42
  6. optionally consent to placental tissue collection for microbiological culture at delivery

Descripción general del estudio

Estado

Aún no reclutando

Condiciones

Intervención / Tratamiento

Tipo de estudio

Intervencionista

Inscripción (Estimado)

320

Fase

  • Fase 4

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Estudio Contacto

  • Nombre: Jagdeesh Kaur Kaur, Medical Degree
  • Número de teléfono: +6 0122129958
  • Correo electrónico: jagdeesh_kaur@hotmail.com

Ubicaciones de estudio

  • Malasia
    • Sarawak
      • Kuching, Sarawak, Malasia, 93586
        • Sarawak General Hospital
        • Contacto:
        • Contacto:
          • Yan Hian Voon, Medical Degree
          • Número de teléfono: +6 0162317072
          • Correo electrónico: vhaxyn@gmail.com
      • Miri, Sarawak, Malasia, 98000
        • Miri Hospital
        • Contacto:
      • Sarikei, Sarawak, Malasia, 96100
        • Sarikei Hospital
        • Contacto:

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

  • Adulto
  • Adulto Mayor

Acepta Voluntarios Saludables

No

Descripción

Inclusion Criteria:

  • Age 18 years or older
  • Singleton pregnancy
  • Cephalic (vertex) presentation
  • Term gestation of 37+0 weeks or more based on obstetric dating
  • Confirmed prelabour rupture of membranes
  • Duration of prelabour rupture of membranes 12 hours or less at the time of enrolment
  • Unknown or negative Group B Streptococcus status in the current pregnancy
  • Clear amniotic fluid at presentation
  • Afebrile with no clinical signs of intra-amniotic infection at admission
  • Able to provide written informed consent
  • Planned delivery at a participating study hospital

Exclusion Criteria:

  • Preterm prelabour rupture of membranes before 37+0 weeks
  • Fever of 38.0°C or higher, maternal tachycardia, uterine tenderness, purulent discharge, or other clinical suspicion of infection at admission
  • Antibiotics already initiated in the current episode of care for any reason
  • Receipt of systemic antibiotics in the past 7 days
  • Meconium-stained liquor at presentation
  • Contraindication to vaginal delivery, including malpresentation, major placenta praevia, maternal refusal of trial of labour after caesarean, or known absolute indication for elective lower segment caesarean section
  • Known Group B Streptococcus colonisation in the current pregnancy, including positive rectovaginal swab or bacteriuria
  • Abnormal cardiotocography on admission requiring expedited delivery
  • Allergy or contraindication to penicillin or aminoglycosides
  • Renal impairment defined as creatinine clearance less than 30 mL/min
  • Known renal disease
  • Known ototoxicity risk or vestibular/cochlear disorders
  • Unknown timing of prelabour rupture of membranes
  • Multiple gestation
  • Major fetal anomaly

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Prevención
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación paralela
  • Enmascaramiento: Único

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Comparador activo: Ampicillin Alone
Participants randomized to this arm will receive intravenous ampicillin 2 g stat, followed by intravenous ampicillin 1 g every 4 hours. Study antibiotics will be initiated at 12 hours after prelabour rupture of membranes and continued until delivery. If clinical chorioamnionitis develops, study prophylaxis will be discontinued and therapeutic antibiotics will be started according to local hospital protocol.
Droga: Ampicillin
Intravenous ampicillin 2 g stat, followed by 1 g every 4 hours, initiated at 12 hours after prelabour rupture of membranes and continued until delivery.
Experimental: Ampicillin Plus Gentamicin
Participants randomized to this arm will receive intravenous ampicillin 2 g stat, followed by intravenous ampicillin 1 g every 4 hours, plus intravenous gentamicin 5 mg/kg once daily. Study antibiotics will be initiated at 12 hours after prelabour rupture of membranes and continued until delivery. Gentamicin will only be administered to participants with baseline creatinine clearance of 30 mL/min or higher. If clinical chorioamnionitis develops, study prophylaxis will be discontinued and therapeutic antibiotics will be started according to local hospital protocol
Droga: Ampicillin + gentamicin
Intravenous ampicillin 2 g stat, followed by intravenous ampicillin 1 g every 4 hours, plus intravenous gentamicin 5 mg/kg once daily. Study antibiotics will be initiated at 12 hours after prelabour rupture of membranes and continued until delivery. Gentamicin will only be administered to participants with baseline creatinine clearance of 30 mL/min or higher.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Clinical Chorioamnionitis
Periodo de tiempo: From admission (diagnosis of PROM) until delivery (72 hours)
Incidence of clinical chorioamnionitis, defined as maternal temperature ≥39.0°C once, or maternal temperature 38.0-38.9°C plus at least one of the following: leukocytosis >15,000/mm³, purulent cervical or vaginal discharge, fetal tachycardia (baseline fetal heart rate >160 bpm for ≥10 minutes), or malodorous liquor.
From admission (diagnosis of PROM) until delivery (72 hours)

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Intrapartum Maternal Fever
Periodo de tiempo: From admission (diagnosis of PROM) until delivery (72 hours)
Incidence of intrapartum maternal fever, defined as axillary temperature ≥38.0°C on a single reading, or ≥37.5°C on two readings at least 1 hour apart during labour.
From admission (diagnosis of PROM) until delivery (72 hours)
Postpartum Fever During Index Admission
Periodo de tiempo: From admission (diagnosis of PROM) until delivery 7 days postpartum
Incidence of postpartum fever, defined as axillary temperature ≥38.0°C recorded at any time after delivery until discharge during the index hospital admission.
From admission (diagnosis of PROM) until delivery 7 days postpartum
Early Postpartum Endometritis During Index Admission
Periodo de tiempo: From admission (diagnosis of PROM) until delivery 7 days postpartum
Incidence of early postpartum endometritis diagnosed during the index hospital admission, defined as axillary temperature ≥38.0°C in the absence of an alternative identifiable cause and at least one associated clinical feature, including uterine tenderness, purulent or foul-smelling lochia, maternal tachycardia, or lower abdominal or uterine pain.
From admission (diagnosis of PROM) until delivery 7 days postpartum
Peripartum Infection During Index Admission
Periodo de tiempo: From admission (diagnosis of PROM) until delivery 7 days postpartum
Incidence of peripartum infection, defined as the occurrence of clinical chorioamnionitis and/or early postpartum endometritis during the same hospital admission.
From admission (diagnosis of PROM) until delivery 7 days postpartum
Postpartum Antibiotic Treatment Exceeding 24 Hours
Periodo de tiempo: From admission (diagnosis of PROM) until delivery 7 days postpartum
Incidence of systemic antibiotic therapy continued for more than 24 hours after delivery during the index hospital admission for suspected or confirmed infection, excluding routine single-dose perioperative prophylaxis for caesarean section.
From admission (diagnosis of PROM) until delivery 7 days postpartum
Puerperal Endometritis After Discharge
Periodo de tiempo: From discharge until 42 days postpartum.
Incidence of puerperal endometritis diagnosed after hospital discharge and up to 42 days postpartum, based on clinical documentation and/or requirement for antibiotic treatment for endometritis.
From discharge until 42 days postpartum.
Wound Infection
Periodo de tiempo: From delivery until 42 days postpartum.
Incidence of wound infection involving the caesarean section wound and/or perineal wound or episiotomy within 42 days postpartum, as evidenced by clinical diagnosis and/or treatment such as antibiotics, wound drainage, opening, or debridement.
From delivery until 42 days postpartum.
Infection-related Hospitalisation Longer Than 5 Days or Readmission for Infection
Periodo de tiempo: From delivery until 42 days postpartum.
Incidence of infection-related hospitalisation longer than 5 days during the index admission and/or hospital readmission within 42 days postpartum with a primary diagnosis of infection and/or requiring systemic antibiotic therapy
From delivery until 42 days postpartum.
Culture-proven Early-onset Neonatal Sepsis
Periodo de tiempo: Within the first 72 hours of life
Incidence of culture-proven early-onset neonatal sepsis, defined as isolation of a pathogenic organism from blood and/or cerebrospinal fluid culture, with clinical features consistent with infection.
Within the first 72 hours of life
Neonatal Sepsis Evaluation
Periodo de tiempo: From birth till 7 days of life
Incidence of neonatal sepsis evaluation, defined as performance of a neonatal septic work-up including one or more of the following: blood culture, full blood count, or other investigations performed as part of routine neonatal sepsis assessment.
From birth till 7 days of life
NICU Admission
Periodo de tiempo: From birth till 7 days of life
Incidence of admission to the neonatal intensive care unit at any time during the neonatal hospital stay, for any indication.
From birth till 7 days of life
Composite Neonatal Adverse Outcome
Periodo de tiempo: From birth till 7 days of life
Incidence of a composite neonatal adverse outcome defined as the occurrence of one or more of the following: requirement for ventilator support, tachypnoea with or without oxygen supplementation persisting beyond 6 hours of life, temperature instability requiring clinical intervention, or requirement for second-line antibiotics.
From birth till 7 days of life
Presumed Early-onset Neonatal Sepsis
Periodo de tiempo: From birth till 7 days of life.
Incidence of presumed early-onset neonatal sepsis, defined as culture-negative infants who receive at least 5 days of intravenous antibiotics based on clinical assessment, with or without supportive laboratory findings, as determined by the neonatal team.
From birth till 7 days of life.
Infection-related Neonatal Hospitalisation Longer Than 5 Days or Readmission
Periodo de tiempo: From birth until 42 days of life.
Incidence of neonatal hospitalisation longer than 5 days primarily attributed to suspected or confirmed infection and/or readmission within 42 days of life with a primary diagnosis of infection and/or requiring intravenous antibiotic therapy.
From birth until 42 days of life.
Placental Chorioamniotic Tissue Culture
Periodo de tiempo: At delivery
Placental chorioamniotic tissue culture results obtained at delivery and categorized into predefined microbiological groups, including Enterobacteriaceae, Group B Streptococcus, anaerobes, Enterococcus faecalis, and negative cultures.
At delivery

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Sarawak General Hospital

Publicaciones y enlaces útiles

La persona responsable de ingresar información sobre el estudio proporciona voluntariamente estas publicaciones. Estos pueden ser sobre cualquier cosa relacionada con el estudio.

Publicaciones Generales

Enlaces Útiles

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Estimado)

1 de julio de 2026

Finalización primaria (Estimado)

31 de enero de 2027

Finalización del estudio (Estimado)

31 de marzo de 2027

Fechas de registro del estudio

Enviado por primera vez

16 de abril de 2026

Primero enviado que cumplió con los criterios de control de calidad

25 de abril de 2026

Publicado por primera vez (Actual)

4 de mayo de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

4 de mayo de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

25 de abril de 2026

Última verificación

1 de abril de 2026

Más información

Términos relacionados con este estudio

Palabras clave

Términos MeSH relevantes adicionales

Otros números de identificación del estudio

  • PROMab-2026-01

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

NO

Descripción del plan IPD

Individual participant data will not be shared because there is currently no formal data-sharing plan or repository arrangement for this investigator-initiated study.

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

No

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

No

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .

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