E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
No specific medical condition is investigated. The objective of the investigation is to compare two methods for surgical anesthesia for total hip replacement. |
Der undersøges ikke en specifik medicinsk tilstand. Studiets formål er at sammenligne to metoder til kirurgisk anæstesi til hoftealloplastik. |
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E.1.1.1 | Medical condition in easily understood language |
No specific medical condition is investigated. The objective of the investigation is to compare two methods for anesthesia for major hip surgery. |
Der undersøges ikke en bestemt sygdom eller tilstand. Studiets formål er at sammenligne to metoder til bedøvelse til operation med stor hoftekirurgi. |
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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 | 18.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10068084 |
E.1.2 | Term | Anesthesia procedure |
E.1.2 | System Organ Class | 100000004865 |
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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 |
Comparison of the hemodynamic effect of lumbosacral plexus blockade versus continuous spinal anesthesia. |
Sammenligning af den hæmodynamiske effekt af lumbosakral plexusblokade og kontinuerlig spinalanæstesi. |
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E.2.2 | Secondary objectives of the trial |
Comparison of time for anesthesia performance, succes rate for surgical anesthesia, plasma concentrations of ropivacaine and lactate following anesthesia induction, cumulated dose of sedative administrated during surgery, cumulated dose of opioid after surgery, surgeons satisfaction with anesthesia and patients worst pain during surgery. |
Sammenigning af tid for blokadeanlæggelse, succes rate for kirurgisk anæstesi, plasmakoncentration af ropivacain og laktat efter induktion af anæstesi, kumuleret peroperativ dosis af sedativa, kumuleret postoperativ dosis af opioider, kirurgens tilfredshed med anæstesien, patientens værste smerter under operationen. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Patients for total hip replacement under spinal anesthesia at Silkeborg Regional Hospital, Denmark Age ≥ 50 years American Society of Anesthesiologists physical status classification score I-III Informed consent |
Patienter indstillet til hoftealloplastik i spinalanæstesi på Regionshospitalet Silkeborg Alder ≥ 50 år American Society of Anesthesiologists physical status classification score I-III Informeret samtykke |
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E.4 | Principal exclusion criteria |
Lack of ability to cooperate Lack of ability to speak Danish Cronic opioid demanding pain not originating from the hip area Previous major back surgery Previous venous tromboembolic event Severe cardiopulmonary dissease (NYHA class 4) Severe untreated hypertension (systolic blood pressure > 160 mm Hg or diastolic blood pressure > 110 mm Hg) Obesity (BMI > 35 kg/m^2) Active treatment with amiodarone Active treatment with verapamil Allergy towards at least one IMP |
Manglende evne til korporation Manglende danskegenskaber Kroniske opioidkrævende smerter, der ikke stammer fra hofteregionen Tidligere venøs tromboemboli Tidligere større lumbal rygkirurgi Svær kardiopulmonal sygdom sv.t. NYHA IV Svær ubehandlet hypertension (Systolisk blodtryk > 160 mmHg eller diastolisk blodtryk > 110 mmHg) Fedme (BMI > 35 kg/m^2) Aktuel behandling med amiodaron Aktuel behandling med verapamil Overfølsomhed overfor de anvendte præparater |
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E.5 End points |
E.5.1 | Primary end point(s) |
Significant reduction in anesthesia impact on cardiac output. |
Signifikant reduktion i anæstesiens påvirkning af cardiac output. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Every 5th minute after nerve blockade performance for 60 minutes. |
Hvert 5. minut efter anlæggelse af nerveblokader i 60 minutter. |
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E.5.2 | Secondary end point(s) |
Time for nerve blockade performance Success rate of surgical anesthesia Change of cardiac stroke volume Change of systemic vascular resistance Change of mean arterial pressure Change of central venous oxygen saturation Maximum plasma ropivacaine concentration Change of plasma lactate concentration Cumulated peroperative dose of propofol Cumulated peroperative dose of opioids Cumulated postoperative dose of opioids Time from end of operation to first dose of opioid Surgeons satisfaction with anesthesia (numeric rating scale) Patients worst pain during surgery (numeric rating scale) |
Tid for blokadeanlæggelse Succesrate for blokadeanlæggelse Ændring af SV Ændring af SVR Ændring af MAP Ændring af SCVO2 Maksimal værdi af plasma-ropivacain Ændring af plasma-laktat under observationsperioden Summeret peroperativ propofoldosis Postoperativt opioidbehov Tid fra operationens afslutning til første dosis dosis opioid Kirurgens tilfredshed med anæstesien (numerisk vurderingsskala) Patientens peroperative smertescore (numerisk vurderingsskala) |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Time for nerve blockade performance: Immediately after nerve blockade performance Success rate of surgical anesthesia: 40 minutes after nerve blockade performance Cardiovascular changes: Every 5th minute after nerve blockade performance for 60 minutes Plasma ropivacaine concentration: 20, 40, 60, 80, 100, 120, 140 and 160 minutes after nerve blockade performance Plasma lactate concentration: 0, 30 and 60 minutes after nerve blockade performance Peroperative propofol and opioid doses as well as surgeons satisfaction with anesthesia: As the patient leaves the operating room Patients pain during surgery: 1 hour after surgery Postoperative opioid dose and time-to-first opioid-dose: 24 hours after blockade performance
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Tid for blokadeanlæggelse: Umiddelbart efter anlæggelse af nerveblokader Succesrate for blokadeanlæggelse: 40 minuter efter anlæggelse af nerveblokader Kardiovaskulære ændringer: Hvert 5. minut efter anlæggelse af nerveblokader i 60 minutter. Plasma-ropivacain-koncentration: 20, 40, 60, 80, 100, 120, 140 og 160 min efter anlæggelse af nerveblokader Plasma-laktat-koncentratione: 0, 30 og 60 min efter anlæggelse af nerveblokader Peroperativ propofol- og opioiddosis såvel som kirurgens tilfredshed med anæstesien: Når patienten forlader operationsstuen Postoperativt opioidbehov og tid til første opioiddoses: 24 timer efter blokadeanlæggelse Patientens peroperative smerte: 1 time efter operationen |
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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 | Yes |
E.6.5 | Efficacy | Yes |
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 | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | Yes |
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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Last visit of last patient. |
Efter besøg af sidste patient |
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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 | |
E.8.9.1 | In the Member State concerned days | |