E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Posteoperative shoulder pain following open liver resection surgery
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Postoperative skuldersmerter efter åben kirurgisk leverresektion. |
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E.1.1.1 | Medical condition in easily understood language |
Pain in the shoulder following surgery to the liver. |
Smerter i skulderen efter åben leverkirurgi |
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E.1.1.2 | Therapeutic area | Analytical, Diagnostic and Therapeutic Techniques and Equipment [E] - Anesthesia and Analgesia [E03] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 19.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10024717 |
E.1.2 | Term | Liver tumor |
E.1.2 | System Organ Class | 100000004864 |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To explore whether the use of ultrasound guided phrenic nerve block can reduce the postoperative pain in the shoulder after liver resection. The intervention is directed postoperative to the patients experiencing novel right sided shoulder pain. |
At undersøge og klarlægge hvorvidt en højresidig ultralydsvejledt nerveblokade af nervus phrenicus, har effekt på de akutte postoperative højresidige skuldersmerter, der hyppigt observeres i forbindelse med åben leverkirurgi. Interventionen gennemføres postoperativt og kun på de patienter der har nyopståede højresidige skuldersmerter. |
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E.2.2 | Secondary objectives of the trial |
To evaluate lung function in relation to a unilateral phrenic nerve block. To evaluate duration of liver resection surgery in relation to postoperative pain in the shoulder. |
At undersøge påvirkningen af lungefunktionen I relation til anlæggelse af unilateralt nervus phrenicus blok. At undersøge sammenhængen mellem varigheden af leverresektionskirurgien og graden af postoperative højresidige skuldersmerter. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Age above 18. Patients scheduled for liver resection. Ability to giive informed consent. .
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Alder over 18 år. Gennemgå planlagt åben leverresektion. Være i stand til at give informeret samtykke |
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E.4 | Principal exclusion criteria |
Participation in another clinical trial, dealing with pain or management of pain, which could affect this trial, evaluated by the investigator. Inability to talk and understand danish Drug or alcohol abuse Pregnancy Congestive heart failure (NYHA class III-IV), or other serious heart disease. Chronic obstructive lung disease, moderate or severe degree, or other significant lung disease Chronic or acute shoulder pain prior to surgery. Body Mass Index above 35. Infection at the site of the injection Allergy to ropivacaine
Postoperativ: Shoulder pain score < 6 assessed on the numeric rating scale (0-10), 15 minutes after arrival in postanaesthetic care unit (PA CU). Insufficient epidural analgesia, or lack of epidural analgesia. Inability to visualize nervus phrenicus with sonography. Cerebral confusion, postoperative delirium or other medical condition hindering study intervention. Presence of an investigator with intervention competence is not available. |
Deltagelse i et andet klinisk forsøg, der omhandler smerter eller smertebehandling der vurderes af investigator at kunne påvirke det aktuelle studie. Patienter som ikke forstår eller taler dansk. Alkohol- og/eller medicinmisbrug – efter investigators skøn. Graviditet*(se nedenfor). Hjerteinsufficiens (NYHA klasse III-IV), eller anden alvorlig hjertyesygdom. Kronisk obstruktiv lungelidelse i moderat eller svær grad, eller anden betydende lungesygdom. Kroniske eller akutte skuldersmerter. Body Mass Index (BMI) over 35 kg/m2 Infektion i området hvor blok skal anlægges. Allergi overfor ropivacain.
Postoperativ eksklusion (forhindrende randomisering): Ingen eller højresidige skuldersmerter med NRS < 6, vurderet 15 minutter (0-30 minutter) efter ankomst i det Perioperative Terapi Afsnit (POTA). Dysfungerende eller manglende epidural analgesi vurderet af investigator. Sonografiske forhold der ikke tillader sikker erkendelse af nervus prenicus på højre side. Cerebral konfusion, opvågningsdelir eller anden postoperativ tilstand der forhindrer medvirken til studieinterventionen. Investigator med blokadekompetence er indisponibel. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Reduction in pain score of a minimum of 3 NRS ( =numerical rating scale 0-10) points when baseline pain score is compared to pain score after 1st intervention. |
Reduktion i højresidige skuldersmerter vurderet med NRS (numerical rating scale 0-10), sammenlignet med skuldersmerterne umiddelbart inden intervention (baseline) ligeledes vurderet med NRS. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
15 minutes after 1st intervention.
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Opgjort 15 minutter efter 1. intervention. |
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E.5.2 | Secondary end point(s) |
Reduction in pain score of a minimum of 3 NRS points, when pain score just prior to the 1st intervention (baseline) is compared to pain score after 1st intervention or 2nd intervention. Lung function evaluated with spirometry (FEV1, FVC og VC) just prior to 1st intervention (baseline), compared to lung function after 1st intervention or 2nd intervention. Lung function evaluated with arterial blood gas (paO2, paCO2) just prior to 1st intervention (baseline), compared to lung function after 1st intervention or 2nd intervention. Duration of surgery compared to shoulderpain just prior to 1st intervention. Number of included patients with a pain score (NRS) between 0 and 3 after 1st intervention or 2nd intervention. Number of included patients with respiratory affection, if defined as this in the medical chart. Number of included patients treated with opioid and the amount of used opioid in morphine equivalence. Prevalence of respiratory og cardiovascular events until discharge when defined as this in medical chart and prevalence of readmission obtained from the Danish National Hospital Registry.
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Reduktion i højresidige skuldersmerter vurderet med NRS, sammenlignet med smerter umiddelbart inden intervention (baseline) ligeledes vurderet med NRS. Lungefunktionen vurderet ved sammenligning af spirometri (FEV1, FVC og VC) udført umiddelbart inden 1. intervention (baseline). Lungefunktionen vurderet ved sammenligning af blodgasanalyse, vurderet på indhold af oxygen og carbondioxid (begge målt i kPa) udtaget umiddelbart inden 1. intervention (baseline). Varigheden af det kirurgiske indgreb (målt i minutter), sammenholdt med højresidige skuldersmerter umiddelbart postoperativt (baseline). Andel af patienter med NRS mellem 0 og efter 1. og 2. intervention. Andel af samtlige primært inkluderede patienter med respiratoriske påvirkning, defineret som dette enten i EWS (Early Warning Score) eller via lægeligt journalnotat. Andel af samtlige inkluderede patienter der modtager opioider, samt mængden heraf i morfin-ækvivalenter. Forekomst af lunge og kredsløbshændelser under indlæggelsen via lægejournalen, samt forekomst af genindlæggelser, indhentet via landspatientregistret, i den samlede samtykkende forsøgsgruppe. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Pain score 2, 5, 10, 60 minutes and 24h after 1st intervention and 2, 5, 10 and 15 minutes after 2nd intervention. Lung function (arterial blood gas and spirometry) just prior to 2nd intervention (15 minutes after 1st intervention), 60 minutes after 1st intervention and 15 minutes after 2nd intervention. Respiratory og cardiovascular affection within 24 hours postoperative. Pain score (NRS) between 0 and 3 evaluated 5 and 15 minutes after 1st intervention or 2nd intervention Number of included patients with respiratory affection within the first 24 hours. Respiratory og cardiovascular events until discharge when defined as this in medical chart and prevalence of readmission within 30 days after inclusion.
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Smertescore registreret 2, 5, 10, 60 minutter og 24 timer efter 1. intervention og 2, 5, 10 og 15 minutter efter 2. intervention. Lungefunktion (arteriel blodgas og spirometri) målt umidddelbart inden 2. intervention (15 minutter efter 1. intervention) , 15 minutter efter 2. intervention og 60 minutter efter 1. intervention. Respiratoriske påvirkning i de første 24 timer postoperativt. NRS mellem 0 og 3 vurderet 5 og 15 minutter efter 1. og 2. intervention. Morfin-ækvivalenter de første 24 timer. Lunge og kredsløbshændelser under indlæggelse og genindlæggelser inden for de første 30 dage. |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | No |
E.6.5 | Efficacy | No |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | Yes |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | Yes |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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LVLS |
Når sidste af de 30 patienter er inkluderet. |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | |
E.8.9.1 | In the Member State concerned months | 6 |
E.8.9.1 | In the Member State concerned days | |