- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT03113032
Novel Pre-Surgery Exercise-Conditioning in Patients Waiting for Total Knee Arthroplasty (TKA) (P-SEC)
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
Total knee arthroplasty (TKA) is the treatment of choice for patients suffering from severe pain and functional limitation caused by osteoarthritis (OA) of the knee joint's surfaces (Magee et al. 2009). Within the UK, over 60,000 TKA surgeries are registered yearly (NJR 2015), making TKA one of the most common surgeries of the joint. Rehabilitation following surgery is essential for recovery and with TKA this is crucial in regaining movement, function and control. Current rehabilitation mainly focuses on post-surgery rehabilitation to increase range of motion (ROM) and muscle power, and to aid in achieving a quick return to functional independence for patients. Despite this, research has shown that patients undergoing TKA, still continue to experience reduced capacities in neuromuscular responses which are required for quick knee joint reactions, stability and proprioception, up to months following TKA surgery (Silva et al. 2003). A deficit in an individual's knee joint proprioception (synonymously referred to as a deficit in sensorimotor performance), together with impaired strength, can lead to reduced functional balance capabilities and movement control (Piva et al. 2010; Rätsepsoo et al. 2011), and can also contribute to injury (Lephart et al. 1997) and a greater risk of falls (Swinkels et al. 2009; Bade et al. 2010; Rätsepsoo et al. 2011). In part, the latter may be due to time-constraints within the health-care system, where a necessary preservation of the primary focus, to decrease pain and improve general function in patients following a TKA, has sometimes been to the detriment of other aspects of rehabilitation.
Pre-surgery exercise-conditioning:
Studies have investigated the effects of pre-surgery exercise' (also known as pre-habilitation exercise) interventions on strength and sensorimotor performance deficits in patients undergoing TKA, through various modes of exercise. Their aim has been to utilise a period of time pre-surgery to improve patients' rehabilitation status (Huber et al. 2015; Topp et al. 2009; Desmueles et al. 2013; Mackay et al. 2012). However, the patterns of patients' adaptations to the generic exercise stimuli used within these studies, has not shown the gains that had been expected by physiological dose-response, and ultimately questioned the efficacy of using pre-habilitation for effective gains in long-term outcomes. Nevertheless, the concept of achieving early gains to conditioning status that might potentiate patients' later rehabilitation processes and status, remains attractive to the latter (Calatayud et al. 2016, Huber et al. 2015) and the NHS (Rooks et al. 2006; Crowe and Henderson, 2003).
Conditioning for enhanced sensorimotor performance has been consistently endorsed in the sports-medical and sports-performance (Hubscher et al. 2010; Mandelbaum et al. 2005) and clinical literature (Tsao et al. 2007; Granacher et al. 2006) for its causal relationship to reduced injury likelihood and capability to improve function. While the precise dose of stimuli to achieve gains in sensorimotor performance is less clearly defined, enhancing motor performance by means of exercise that resist the effects of gravity or externally-applied loading to a joint system, has established underpinnings physiologically by improving motor performance and indirectly effecting sensorimotor responses (Vikne et al. 2006; Hakan et al. 2002; Moran et al. 2007). Clinically, the challenge has been to formulate a suitably pragmatic programme of conditioning that will accommodate the time- and cost-pressures associated with contemporary care practice while simultaneously offering efficacy when delivered prior to surgery as a pre-habilitative intervention. Rehabilitative and prophylactic conditioning programmes used in current studies for enhanced neuromuscular and sensorimotor performance, have typically required and been delivered in a duration of 6-8-weeks (Calatayud et al. 2016; Huber et al. 2015; Topp et al. 2009; Desmueles et al. 2013; Mackay et al. 2012). This has commanded a substantive logistical burden to elicit expected gains.
A novel approach to conditioning - Development of the P-SEC protocol:
A novel formulation of conditioning that could condense the pattern of delivery of physiologically-effective, dose-related stimuli, while simultaneously maintaining the vast proportion of potential gains in performance, would offer advantages to patients and clinicians for logistical versatility with which a package of conditioning might be delivered. This would be especially important within the relatively short period of time between the patients electing for surgery after clinical consultation and a surgical procedure, if pre-habilitation were to be incorporated effectively within care pathways. Recent studies have shown that with careful periodization and micro-cyclical management of the mode of exercise-conditioning, patterning of exercise intensity and work/recovery ratios, and progression of increasing physiological stimuli for adaptation, it is possible to deliver gains in neuromuscular performance within a programme lasting 2-3-weeks, which match 70% of the effects expected during longer programmes (Peer and Gleeson, in press; Peer et al. under review). Additional adaptations to this intervention model would be needed to counteract arthrogenic and autogenic sources of inhibition associated with long-term disease conditions such as OA (Rice et al. 2010), limiting neuromuscular performance and conditioning gains by the intrusion of nociceptive stimuli such as an increase in intra-articular joint pressure (Palmieri-Smith et al. 2007). The cost-neutrality of the embedding pre-habilitative conditioning for improved motor performance might be feasible if a portion of the end-phase rehabilitation following a surgical procedure, which has been shown recently to offer limited gains in performance within the formal care pathway (Bailey et al. 2014), could be sacrificed in favour of an equivalent time- period of conditioning prior to surgery.
Therefore, the purpose of the P-SEC study is to undertake a randomized controlled feasibility trial in order to investigate the effects of this new formulation of exercise-conditioning for motor performance on objectively-measured and patient-perceived sensorimotor, functional and psychophysiological performance capacities in patients waiting for a TKA.
Tipo di studio
Iscrizione (Effettivo)
Fase
- Non applicabile
Contatti e Sedi
Luoghi di studio
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Gobowen
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Oswestry, Gobowen, Regno Unito, SY10 7AG
- Robert Jones and Agnes Hunt NHS Trust Foundation
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- Males and Females over the age of 18, diagnosed with severe osteoarthritis (OA) of the knee and awaiting a TKA (Including contralateral knee OA/TKA and/or other orthopaedic conditions affecting the contralateral leg)
Exclusion Criteria:
- Individuals undertaking TKA due to a knee joint disease other than osteoarthritis
- Rheumatic disorder
- Neurological disorders
- Other orthopaedic conditions affecting lower body function
- Individuals with reduced mental capacity affecting their ability to follow exercise programme
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Triplicare
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
---|---|
Sperimentale: Exercise group 1
This group of patients will receive the P-SEC exercise intervention protocol on their 'surgical' leg in addition to their normal pre-surgical care.
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The P-SEC protocol is designed to deliver a focal mode of exercise-conditioning for motor performance to the knee extensor musculature.
The latter requires a brief, machine-based gravity-resisted joint' movements (<2 seconds).
An exercise session (6-minutes, approximately) will require a patient to undertake 4 sets of movement, with sets separated by 60-seconds recovery (delivering a total of 36 exercises across 3 interspersed days).
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Sperimentale: Exercise group 2
This group of patients will receive the P-SEC exercise intervention protocol on their 'non-surgical' leg in addition to their normal pre-surgical care.
|
The P-SEC protocol is designed to deliver a focal mode of exercise-conditioning for motor performance to the knee extensor musculature.
The latter requires a brief, machine-based gravity-resisted joint' movements (<2 seconds).
An exercise session (6-minutes, approximately) will require a patient to undertake 4 sets of movement, with sets separated by 60-seconds recovery (delivering a total of 36 exercises across 3 interspersed days).
|
Comparatore attivo: Control group
This group of patients will not receive the P-SEC protocol but will follow normal pre-surgical care along with the other two groups of patients.
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Routine pre-surgical care
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
---|---|---|
Electromechanical delay (EMD)
Lasso di tempo: 11 months
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The primary outcome measure for this study is the measurement of Electromechanical Delay (EMD) of the knee extensor musculature.
The data obtained will give an indication of the participants' sensorimotor and neuromuscular performance capacities.
Measurements of the latter's activity will be obtained from electromechanical signals collected by a purpose built dynamometer (Gleeson et al. 2013) and EMG signals obtained from surface electrodes over the knee extensor musculature.
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11 months
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
---|---|---|
Balance Force plate
Lasso di tempo: 11 months
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Measurement of postural control indices through the use of a standing balance force plate
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11 months
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Peak Force (PF)
Lasso di tempo: 11 months
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Further measurements of Sensorimotor and Neuromuscular performance capacities using data obtained from the EMG and seated dynamometer used for the primary outcome measurement.
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11 months
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Rate of force Development (RFD)
Lasso di tempo: 11 months
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Further measurements of Sensorimotor and Neuromuscular performance capacities using data obtained from the EMG and seated dynamometer used for the primary outcome measurement.
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11 months
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Knee Injury and Osteoarthritis questionnaire (KOOS) questionnaire
Lasso di tempo: 11 months
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Subjective measurement of patients' performance capacity
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11 months
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Oxford Knee score (OKS)
Lasso di tempo: 11 months
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Subjective measurement of patients' performance capacity
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11 months
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Performance profile questionnaire
Lasso di tempo: 11 months
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Subjective measurement of patients' performance capacity
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11 months
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Pain self efficacy questionnaire
Lasso di tempo: 11 months
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Subjective measurement of patients' performance capacity
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11 months
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Short Form Health Questionnaire (SF36v2)
Lasso di tempo: 11 months
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Subjective measurement of patients' performance capacity
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11 months
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International Physical Activity Questionnaire (IPAQ)
Lasso di tempo: 11 months
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Subjective measurement of patients' performance capacity
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11 months
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Collaboratori e investigatori
Collaboratori
Investigatori
- Direttore dello studio: Nigel Gleeson, Prof., Queen Margaret University
- Investigatore principale: Anna Maria Risso, Ms, Queen Margaret University
Pubblicazioni e link utili
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Completamento dello studio (Effettivo)
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
- P-SEC001
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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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