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- Sperimentazione clinica NCT07695935
Transversalis Fascia Plane Block Versus Low-Dose Intrathecal Morphine for Open Inguinal Hernia Repair
Comparison of Ultrasound-Guided Transversalis Fascia Plane Block and Low-Dose Intrathecal Morphine for Postoperative Analgesia After Open Inguinal Hernia Repair: A Prospective Randomized Controlled Trial
Open inguinal hernia repair is commonly associated with early postoperative pain, which may delay mobilization, reduce patient satisfaction, and increase opioid consumption. Low-dose intrathecal morphine may provide prolonged postoperative analgesia after spinal anesthesia; however, it may also be associated with opioid-related adverse effects such as nausea, vomiting, pruritus, urinary retention, sedation, and respiratory depression.
The transversalis fascia plane block is an ultrasound-guided fascial plane block that targets the sensory innervation of the lower abdominal wall, particularly the T12-L1 dermatomal region and the ilioinguinal and iliohypogastric nerve distribution. Although TFP block has been evaluated in lower abdominal procedures, direct comparison with low-dose intrathecal morphine in open inguinal hernia repair is limited.
This prospective, randomized, controlled, assessor-blinded trial aims to compare ultrasound-guided TFP block with low-dose intrathecal morphine in adult patients undergoing elective unilateral open inguinal hernia repair under spinal anesthesia. The primary outcome is total rescue opioid consumption during the first 24 postoperative hours. Secondary outcomes include pain scores at rest and with movement, time to first rescue analgesia, opioid-related adverse effects, quality of recovery, patient satisfaction, mobilization time, readiness for discharge, block success, sensory block distribution, and block-related complications.
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
Adult patients scheduled for elective unilateral open inguinal hernia repair under spinal anesthesia will be enrolled. After written informed consent, eligible patients will be randomly assigned in a 1:1 ratio to one of two groups.
In the intrathecal morphine group, patients will receive spinal anesthesia with 15 mg of 0.5% hyperbaric bupivacaine plus 100 mcg intrathecal morphine. No TFP block will be performed in this group.
In the TFP block group, patients will receive spinal anesthesia with 15 mg of 0.5% hyperbaric bupivacaine without intrathecal morphine. In addition, an ultrasound-guided unilateral TFP block will be performed on the surgical side before surgery using 30 mL of 0.25% bupivacaine, within the maximum safe dose limits.
All patients will receive a standardized multimodal postoperative analgesia protocol. Pain scores, rescue analgesic consumption, opioid-related adverse effects, quality of recovery, and safety outcomes will be recorded during the first 24 postoperative hours. Persistent or chronic postoperative inguinal pain may be evaluated exploratorily during follow-up if sufficient data are available.
Tipo di studio
Iscrizione (Stimato)
Fase
- Non applicabile
Contatti e Sedi
Contatto studio
- Nome: Sibel Onen Ozdemir, MD
- Numero di telefono: +905442892194
- Email: sibelonen89@gmail.com
Luoghi di studio
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Çorum, Turchia (Türkiye)
- Reclutamento
- Hitit university
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Contatto:
- Ozgur Yagan, Professor
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
- Adulto più anziano
Accetta volontari sani
Descrizione
Inclusion Criteria:
- Adult patients aged 18-80 years
- Patients scheduled for elective unilateral open inguinal hernia repair
- ASA physical status I-III
- Patients planned to undergo spinal anesthesia
- Patients able to understand and report postoperative pain scores
- Patients who provide written informed consent
Exclusion Criteria:
- Refusal to participate
- Bilateral inguinal hernia repair
- Recurrent inguinal hernia repair
- Emergency, incarcerated, or strangulated hernia
- Need for general anesthesia
- Contraindication to spinal anesthesia
- Coagulopathy or anticoagulant use contraindicating neuraxial or peripheral block
- Infection at the injection site
- Known allergy to local anesthetics, morphine, or study medications
- Chronic opioid use
- Preoperative chronic groin pain or neuropathic pain history
- Severe hepatic or renal failure
- Neurological or psychiatric condition preventing communication or pain assessment
- Expected inability to complete postoperative follow-up
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Separare
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
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Comparatore attivo: Intrathecal Morphine Group
Patients will receive spinal anesthesia with 15 mg of 0.5% hyperbaric bupivacaine plus 100 mcg intrathecal morphine.
No TFP block will be performed.
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Patients will receive 100 mcg intrathecal morphine in addition to 15 mg of 0.5% hyperbaric bupivacaine during spinal anesthesia.
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Sperimentale: TFP Block Group
An ultrasound-guided unilateral transversalis fascia plane block will be performed using 30 mL of 0.25% bupivacaine on the surgical side before open inguinal hernia repair.
The local anesthetic dose will be adjusted according to patient weight and maximum safe dose limits.
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Patients will receive an ultrasound-guided unilateral transversalis fascia plane block on the surgical side using 30 mL of 0.25% bupivacaine before surgery.
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Total Rescue Opioid Consumption During the First 24 Postoperative Hours
Lasso di tempo: 0-24 hours after surgery
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Total rescue opioid analgesic consumption during the first 24 postoperative hours will be recorded and converted to intravenous morphine equivalents.
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0-24 hours after surgery
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Quality of Recovery Score
Lasso di tempo: 24 hours after surgery
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Quality of recovery will be assessed using the QoR-15 score.
The total score ranges from 0 to 150, with higher scores indicating better recovery.
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24 hours after surgery
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Opioid-Related Adverse Effects
Lasso di tempo: 0-24 hours after surgery
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Nausea, vomiting, pruritus, urinary retention, sedation, respiratory depression, and oxygen desaturation will be recorded.
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0-24 hours after surgery
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Collaboratori e investigatori
Sponsor
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Inizio studio (Effettivo)
Completamento primario (Stimato)
Completamento dello studio (Stimato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- 2026-32
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Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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