- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT02308306
Predictive Markers of the Effects of Opioid Therapy (ABILITY)
Predictive Markers of the Effects of Opioid Therapy in Opioid naïve Patients With Chronic Pain: an International, Multi-centre, Observational Cohort Study (ABILITY)
The overall goal of the ABILITY study is to help improve pain diagnostics and treatment by developing an implementable clinical computerised decision support system based on individual patient characteristics.
The investigators hypothesize that successful pain control with opioids can be predicted before treatment initiation with advanced data analyses of data originating from pre-treatment EEG, QST and pain-related catastrophic thinking.
The primary objective of this study is the identification of markers that can be used to individualize treatment recommendations, i.e. to reliably predict the response of pain to opioids.
Markers are selected among the most promising data and machine-learning methods are used for the prediction. This includes determining the associations between a battery of selected pre-treatment clinical predictive markers and the analgesic effect of opioid treatment in opioid naïve chronic pain patients, including indication and responder identification.
The key secondary objectives are as follows: to investigate pre-treatment clinical predictive markers as predictors of opioid treatment efficacy and effectiveness in terms of the following:
- Pain intensity and unpleasantness
- Use of rescue analgesics
- Physical functioning
- Global improvement and satisfaction with treatment
Panoramica dello studio
Stato
Tipo di studio
Iscrizione (Effettivo)
Contatti e Sedi
Luoghi di studio
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Pellenberg
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Leuven, Pellenberg, Belgio, 3212
- KU Leuven and the Leuven Centre for Algology & Pain Management
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Aarhus C, Danimarca, 8000
- Department of Rheumatology, Aarhus University Hospital
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Give, Danimarca, 7323
- Friklinikken
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Ringsted, Danimarca, 4100
- Hospitalet Valdemar
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Ljubljana, Slovenia, 1000
- Ljubljana University Medical Centre, Department of Anaesthetics and Surgical Intensive Care
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Metodo di campionamento
Popolazione di studio
Descrizione
Inclusion Criteria:
- Pain duration ≥ 3 months.
- Minimum baseline pain intensity ≥ 4 on a 0-10 numerical rating scale (over the past week).
- Maximum baseline pain intensity < 9 on a 0-10 numerical rating scale (over the past week).
- Prescribed opioid treatment (ATC: N02)
- Anticipated to stay on prescribed opioid treatment throughout the study, i.e. >14 days.
- Anticipated to stay on any concomitant non-opioid treatment throughout the study, i.e. >14 days.
- Subject may be male or female, age >18 years old.
- Is willing and able to comply with study procedures as judged by the site investigator.
- Subject has voluntarily signed and dated the study-specific informed consent form, approved by an Independent Ethics Committee, after the nature of the study has been explained and the subject has had the opportunity to ask questions. The informed consent form must be signed before any study-specific procedures are performed.
Exclusion Criteria:
- Has a mental incapacity or language barriers precluding adequate understanding of study procedures.
- Is considered by the site investigator unsuitable to participate in the study for any other reason, for instance due to a significant serious underlying condition.
- Recently received opioids on a daily basis (within the last 10 weeks).
- Current alcohol or substance abuse, according to the site investigator's medical judgement.
- Is anticipated to undergo a painful procedure(s) (e.g. surgery) during the study, which can interfere with the experience of the chronic pain condition for which the subject is to receive opioids.
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Modelli osservazionali: Coorte
- Prospettive temporali: Prospettiva
Coorti e interventi
Gruppo / Coorte |
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Opioid analgesics
Opioid treatment is determined, prescribed, modified and discontinued at the sole discretion of the treating physician at each research site; regardless of generic name, manufacturer, constituent components, route of administration, and dosing schedule (including titration and run-in periods).
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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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Reduction of chronic pain assessed by 0-10 numerical rating scale (NRS) scores
Lasso di tempo: After 14-days of opioid treatment
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The absolute and percentage change from baseline in ratings of average pain in the past week at Day 14.
Of note, a percentage change of ≥30% is considered clinically significant.
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After 14-days of opioid treatment
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Improvement of health-related quality of life assessed by QLQ-C30 scores
Lasso di tempo: After 14 days of opioid treatment
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The absolute and percentage change from baseline in ratings of health-related quality of life in the past week at Day 14.
A subjectively significant change in QLQ-C30 scores is one that is ≥10 from baseline.
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After 14 days of opioid treatment
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
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BPI worst pain in the past week
Lasso di tempo: Day 14 post-treatment
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Change from baseline
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Day 14 post-treatment
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BPI least pain in the past week
Lasso di tempo: Day 14 post-treatment
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Change from baseline
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Day 14 post-treatment
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BPI current pain in the past week
Lasso di tempo: Day 14 post-treatment
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Change from baseline
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Day 14 post-treatment
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BPI pain severity in the past week
Lasso di tempo: Day 14 post-treatment
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Change from baseline
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Day 14 post-treatment
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BPI pain interference score
Lasso di tempo: Day 14 post-treatment
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Change from baseline
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Day 14 post-treatment
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Improvement score
Lasso di tempo: Day 14 post-treatment
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Proportion with score >4
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Day 14 post-treatment
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Concomitant and rescue medication
Lasso di tempo: Until 14 days post-treatment
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Until 14 days post-treatment
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Adverse events
Lasso di tempo: Until 14 days post-treatment
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Number (%) of the following:
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Until 14 days post-treatment
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Collaboratori e investigatori
Sponsor
Investigatori
- Cattedra di studio: Asbjørn M Drewes, MD, PhD, DMSci, Aalborg University Hospital, Denmark
- Direttore dello studio: Anne E Olesen, MSc (Pharm), PhD, Aalborg University Hospital, Denmark
- Direttore dello studio: Kasper Grosen, MHSc, PhD, Aarhus University / Aarhus University Hospital, Denmark
- Investigatore principale: Mogens Pfeiffer-Jensen, MD, PhD, Aarhus University Hospital, Denmark
- Investigatore principale: Michael Kamp-Jensen, MD, PhD, Hospitalet Valdemar, Denmark
- Investigatore principale: Bart Morlion, MD, PhD, University of Leuven / University Hospitals Leuven, Belgium
- Investigatore principale: Gorazd Pozlep, MD, Ljubljana University Medical Centre, Slovenia
- Investigatore principale: Torsten Jonsson, MD, Hospitalet Valdemar, Denmark
Pubblicazioni e link utili
Collegamenti utili
Studiare le date dei record
Studia le date principali
Inizio studio
Completamento primario (Effettivo)
Completamento dello studio (Effettivo)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Stima)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Stima)
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
- ABILITY
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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