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Effect of Continuous Erector Spinae Plane Block With Ropivacaine on Postoperative Pain and NF-κB Levels After Mastectomy

28. april 2026 opdateret af: Aldy Aldy

Comparison of Continuous Erector Spinae Plane Block With Ropivacaine Versus No Block on Postoperative Pain, NF-κB Levels, Opioid Consumption, and Quality of Recovery in Patients Undergoing Elective Mastectomy

This study aims to evaluate the effect of continuous erector spinae plane block (CESPB) using ropivacaine on postoperative pain in patients undergoing elective mastectomy. In addition to pain control, this study investigates the impact of CESPB on systemic inflammatory response as measured by nuclear factor kappa B (NF-κB) levels, opioid consumption, and quality of recovery. Patients will be randomly assigned to receive CESPB or standard analgesia without block. Outcomes will be assessed within the first 24 hours after surgery. The findings are expected to provide evidence on the clinical and biological benefits of CESPB as part of multimodal analgesia in breast surgery.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Breast cancer is one of the most common malignancies worldwide and frequently requires surgical management in the form of mastectomy. Postoperative pain following mastectomy remains a significant clinical problem, with a substantial proportion of patients experiencing moderate to severe pain. Inadequate pain control is associated with increased opioid consumption, delayed recovery, and a higher risk of developing chronic pain.

The inflammatory response plays an important role in postoperative pain, particularly through the activation of nuclear factor kappa B (NF-κB), a key transcription factor that regulates pro-inflammatory mediators. Increased NF-κB activity has been associated with enhanced nociception and poorer recovery outcomes. Therefore, perioperative strategies that can reduce both pain and inflammatory response are of clinical importance.

Continuous erector spinae plane block (CESPB) is a regional anesthesia technique that provides multidermatomal analgesia by delivering local anesthetic into the fascial plane adjacent to the erector spinae muscle. Compared to single-shot techniques, CESPB using a catheter allows prolonged and stable analgesia. Ropivacaine is commonly used due to its favorable safety profile and potential anti-inflammatory effects.

This study is designed as a randomized controlled trial to compare CESPB using ropivacaine with standard analgesia without block in patients undergoing elective mastectomy. The primary outcome is postoperative pain intensity within 24 hours after surgery. Secondary outcomes include NF-κB levels, opioid consumption, incidence of postoperative nausea and vomiting, and quality of recovery measured using the QoR-15 questionnaire.

By integrating clinical and biomolecular outcomes, this study aims to provide comprehensive evidence regarding the effectiveness of CESPB not only in pain control but also in modulating the inflammatory response and improving postoperative recovery.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

40

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Undersøgelse Kontakt Backup

  • Navn: I Gusti Ngurah Mahaalit Aribawa, MD
  • Telefonnummer: +62811396811
  • E-mail: mahaalit@unud.ac.id

Studiesteder

  • Indonesien
    • Bali
      • Denpasar, Bali, Indonesien, 80113
        • Ngoerah Hospital
        • Kontakt:

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Female patients aged 18 to 65 years
  • Diagnosed with breast cancer
  • Scheduled for elective mastectomy under general anesthesia
  • American Society of Anesthesiologists (ASA) physical status I-III
  • Able to understand and provide written informed consent
  • Body mass index (BMI) 18-29 kg/m²

Exclusion Criteria:

  • Contraindications to regional anesthesia
  • Contraindications or allergy to ropivacaine or local anesthetics
  • Inability to use a visual analog scale (VAS) for pain assessment
  • Inability to understand or operate patient-controlled analgesia (PCA)
  • History of chronic pain or ongoing infection requiring treatment
  • History of chronic analgesic use
  • History of autoimmune disease
  • Uncontrolled systemic disease

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Continuous Erector Spinae Plane Block With Ropivacaine
Participants will receive continuous erector spinae plane block using ropivacaine via catheter placement under ultrasound guidance, in addition to standard postoperative analgesia.
Procedure: Continuous Erector Spinae Plane Block
Ultrasound-guided placement of a catheter in the erector spinae plane for continuous regional analgesia.
Medicin: Ropivacaine
Local anesthetic administered via continuous infusion through the erector spinae plane catheter for postoperative analgesia.
Ingen indgriben: Standard Analgesia Without Block
Participants will receive standard postoperative analgesia according to institutional protocol, including oral paracetamol, intravenous ketorolac and opioid-based analgesia (patient-controlled analgesia with morphine), without erector spinae plane block.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Postoperative Pain Intensity
Tidsramme: 24 hours after surgery
Postoperative pain intensity measured using a Visual Analog Scale (VAS) ranging from 0 to 100 mm, where higher scores indicate greater pain.
24 hours after surgery

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change in Nuclear Factor Kappa B Levels From Baseline
Tidsramme: Baseline and 24 hours after surgery
Change in nuclear factor kappa B (NF-κB) levels from baseline to 24 hours after surgery, measured in blood samples to assess systemic inflammatory response.
Baseline and 24 hours after surgery
Opioid Consumption
Tidsramme: 24 hours after surgery
Total opioid consumption within the first 24 hours after surgery, converted to morphine equivalent dose.
24 hours after surgery
Quality of Recovery
Tidsramme: 24 hours after surgery
Quality of recovery assessed using the Quality of Recovery-15 (QoR-15) questionnaire, with higher scores indicating better recovery.
24 hours after surgery
Postoperative Nausea and Vomiting
Tidsramme: 24 hours after surgery
Incidence of postoperative nausea and vomiting within the first 24 hours after surgery.
24 hours after surgery

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Aldy Aldy

Efterforskere

  • Ledende efterforsker: Aldy Aldy, MD, Udayana University

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. maj 2026

Primær færdiggørelse (Anslået)

1. oktober 2026

Studieafslutning (Anslået)

1. oktober 2026

Datoer for studieregistrering

Først indsendt

16. april 2026

Først indsendt, der opfyldte QC-kriterier

28. april 2026

Først opslået (Faktiske)

1. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

1. maj 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

28. april 2026

Sidst verificeret

1. april 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • CESPB-ALD-2026

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

IPD-planbeskrivelse

Individual participant data (IPD) will not be shared due to the presence of sensitive patient information and to ensure the confidentiality and privacy of research subjects in accordance with ethical guidelines.

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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