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IV Acetaminophen for Postoperative Pain Analgesia After Laparoscopic Hysterectomy

15 mai 2018 mis à jour par: Noah Rindos, University of Pittsburgh

Intravenous Acetaminophen Versus Saline in Postoperative Analgesia After Laparoscopic Hysterectomy: A Randomized, Double Blind, Placebo Controlled Trial

The objective of this study is to quantify the change in post-operative pain scores and narcotic requirements in women receiving pre and post-operative IV acetaminophen compared to placebo in women undergoing laparoscopic hysterectomy.

Aperçu de l'étude

Statut

Complété

Les conditions

Intervention / Traitement

Description détaillée

Gynecologic surgery has been revolutionized by the incorporation of minimally invasive techniques. Procedures that once resulted in multiple day hospital admissions are now being performed in outpatient surgery centers. Common factors that contribute to delayed discharge are inadequate postoperative pain control and increased nausea and vomiting. A multi-modal pain management approach is considered optimal at controlling postsurgical pain, which includes combining different analgesics that act in varying mechanisms. By using medications that act synergistically, the overall analgesia requirement can oftentimes be decreased.

Opioids have been found to be highly effective in controlling postoperative pain; however, are associated with dose-dependent risks including nausea, vomiting, constipation, urinary retention, sedation, and respiratory depression. Subsequently, non-opioid options are frequently desired in an attempt to minimize narcotic intake. In the United States, intravenous acetaminophen was approved by the US Food and Drug Administration (FDA) in November 2010 for the management of mild to moderate pain and the reduction of fever. Since this time, multiple studies have analyzed the role of intravenous acetaminophen in both acute and postoperative pain; however, none have been specific to laparoscopic hysterectomy. The primary study published evaluating intravenous acetaminophen in laparoscopic hysterectomies also included multiple other laparoscopic procedures from a variety of specialties including general surgery, urology, and urogynecology. In addition, the intravenous acetaminophen was started on average 19 hours after the conclusion of the case once the patient controlled analgesic was discontinued.

Improved postsurgical pain control achieved with intravenous acetaminophen may potentially lead to same day discharge after major laparoscopic gynecologic procedures. Same day discharge after laparoscopic hysterectomy has been shown to be a safe option with proper patient counseling and multi-modal pain medications. In addition, same day discharge is also associated with decreased health care expenditures. With continued efforts to cut hospital costs, the pressure to discharge patients earlier continues to be high.

The investigators propose that intravenous acetaminophen will improve post-operative pain control and decrease narcotic requirements for patients undergoing laparoscopic hysterectomies. Furthermore, The investigators expect to find decreased postsurgical nausea and vomiting and potentially quicker discharge to home. This could have a large impact on the field of gynecologic surgery as major procedures that once required overnight admission may now succeed at same day discharge.

Type d'étude

Interventionnel

Inscription (Réel)

183

Phase

  • Phase 4

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Lieux d'étude

  • États-Unis
    • Pennsylvania
      • Pittsburgh, Pennsylvania, États-Unis, 15213
        • Magee Womens Hospital

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

18 ans à 75 ans (Adulte, Adulte plus âgé)

Accepte les volontaires sains

Oui

Sexes éligibles pour l'étude

Femelle

La description

Inclusion Criteria:

  • Women aged 18-75
  • Ability to read and write in English (our post-operative pain log is only available in English)
  • Planning a laparoscopic hysterectomy (includes total laparoscopic hysterectomy, laparoscopic supracervical hysterectomy, laparoscopically assisted vaginal hysterectomy, with or without salpingooophorectomy)

Exclusion Criteria:

  • Answering yes to any of the following questions: "Do you have a history of liver disease, kidney disease, hepatitis C, history of liver failure, greater than 3 drinks per day or being have you ever been told by your doctor that they should not take acetaminophen"
  • History of cardiac arrhythmia
  • History of jaundice
  • Acute abdominal inflammatory or infectious process at time of surgery
  • Known malignancy at time of surgery
  • Known pregnancy at time of surgery
  • Plan to perform additional significant surgical procedure at the time of hysterectomy such as extensive excision of endometriosis on bowel or bladder or pelvic reconstructive procedure
  • >6cm abdominal incision in order to remove the uterus at time of study-related hysterectomy
  • Regular use of narcotic pain medication (defined as use on most days of the week at any point in the past 3 months)
  • Allergy to acetaminophen
  • Women who weigh less than 50 kilograms on the day of surgery.

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: Traitement
  • Répartition: Randomisé
  • Modèle interventionnel: Affectation parallèle
  • Masquage: Tripler

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Expérimental: Intravenous IV acetaminophen
The patients in the treatment arm will receive 1000mg of IV acetaminophen.
Médicament: IV acetaminophen
The patients in the treatment arm will receive 1000mg of IV acetaminophen.
Autres noms:
  • OFIRMEV
Comparateur placebo: Normal Saline
The patients in the placebo arm will receive normal saline.
Médicament: placebo
The patients in the placebo arm will receive normal saline.
Autres noms:
  • Solution saline normale

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Postoperative Pain
Délai: 24 hours
The primary aim of this study is to compare overall post-surgical pain after hysterectomy as reported by the patients on a visual analog scale with a range of 0 to 10 where 0 is no pain at all and 10 is the worst pain that a person can imagine. Less pain is considered preferable to more pain. The theory is that patients who have intravenous acetaminophen will report less post-surgical pain.
24 hours

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Narcotic Medication Use
Délai: 24 hours
The secondary outcome is comparison of narcotic pain medical requirements within the first 24 hours after surgery. The hypothesis is that the intravenous acetaminophen group will require less narcotic medications than the placebo group. Narcotic use in this study will be calculated by converting all narcotics (fentanyl, dilaudid etc) into standardized units of morphine using well validated conversion tables.
24 hours

Autres mesures de résultats

Mesure des résultats
Description de la mesure
Délai
Having a Feeling of General Well-being at One Month
Délai: 4 weeks
Quality of recovery will be evaluated through the use of the validated Quality of Recovery-40 questionnaire. The hypothesis is that the intravenous acetaminophen group will experience an increased quality of recovery as compared to the placebo group.
4 weeks
Number of Participants Who Vomited Within 24 Hours of Operation
Délai: 24 hours
A secondary aim of this study is to compare post-operative vomiting scores on post-operative day zero and one. Vomiting is reported as either having vomited or not vomited. The hypothesis is that the intravenous acetaminophen group will experience decreased vomiting compared with the placebo group.
24 hours
Readiness for Discharge
Délai: 24 hours
Patient perception of satisfaction at time of discharge on post-operative day zero will be evaluated. The hypothesis is that intravenous acetaminophen group will experience increased satisfaction for discharge than the placebo group.
24 hours
Nausea Before Surgery as Compared to After Surgery
Délai: 24 hours
A secondary aim of this study is to compare post-operative nausea on post-operative day zero and one as reported by the patients on a visual analog scale with a range of 0 to 10 where 0 is no nausea at all and 10 is the worst nausea that a person can imagine. Less nausea is considered preferable to more nausea. The hypothesis is that the intravenous acetaminophen group will experience decreased nausea compared with the placebo group.
24 hours

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Parrainer

University of Pittsburgh

Les enquêteurs

  • Chercheur principal: Noah Rindos, MD, Faculty

Publications et liens utiles

La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.

Publications générales

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude

1 février 2015

Achèvement primaire (Réel)

1 septembre 2016

Achèvement de l'étude (Réel)

1 septembre 2016

Dates d'inscription aux études

Première soumission

18 mars 2015

Première soumission répondant aux critères de contrôle qualité

26 mars 2015

Première publication (Estimation)

27 mars 2015

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

13 juin 2018

Dernière mise à jour soumise répondant aux critères de contrôle qualité

15 mai 2018

Dernière vérification

1 mai 2018

Plus d'information

Termes liés à cette étude

Mots clés

Termes MeSH pertinents supplémentaires

Autres numéros d'identification d'étude

  • PRO13110403

Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .

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