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- Essai clinique NCT02081703
Study to Evaluate Safety/Efficacy of a Single Pre-Op Dose of AYX1 Injection to Treat Pain After Knee Replacement Surgery
14 juillet 2015 mis à jour par: Adynxx, Inc.
A Phase 2 Study to Evaluate the Safety & Efficacy of Two Dose/Volume Levels of a Single Intrathecal Preoperative Administration of AYX1 Injection in Patients Undergoing Unilateral Total Knee Arthroplasty
The objectives of this study are to evaluate the safety and analgesic efficacy of a single preoperative intrathecal administration of AYX1 Injection at two dose/volume levels.
Aperçu de l'étude
Statut
Complété
Les conditions
Type d'étude
Interventionnel
Inscription (Réel)
120
Phase
- Phase 2
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
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Alabama
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Sheffield, Alabama, États-Unis
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Arizona
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Phoenix, Arizona, États-Unis
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-
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
40 ans à 80 ans (Adulte, Adulte plus âgé)
Accepte les volontaires sains
Non
Sexes éligibles pour l'étude
Tout
La description
Inclusion Criteria:
- Scheduled to undergo primary unilateral TKA for painful osteoarthritis without congenital knee pathology
- American Society of Anesthesiologists Physical Status Classification System ≤ 3
- Medically stable as determined by the Investigator based on pre-study medical history, physical/neurological examination, clinical laboratory tests, and 12-lead electrocardiogram (ECG) findings
- Body Mass Index of 18-40 kg/m2
- Stable medical regimen for at least 1 month before randomization
- Able to read and understand study instructions in English, and willing and able to comply with all study procedures
Exclusion Criteria:
- More than 2 other current focal areas of pain, none greater in intensity than the target knee and no other active chronic pain conditions that would compromise operative knee pain evaluation
- Inflammatory arthridities (e.g., rheumatoid arthritis, lupus, ankylosing spondylitis, psoriatic arthritis), with the exception of clinically stable/non-active gout that does not affect the knee and does not interfere with walking
- Operative arthroscopy in the surgical knee in the last 4 months (except for meniscal repair which will be no shorter than 6 months before randomization) or in the contralateral knee in the last 2 months (or 3 months for meniscal repair), or other prior surgery in either knee in the last 12 months, except for diagnostic arthroscopy
- Planned use of any of the following for TKA: general anesthesia using potent inhalational agents, peripheral nerve block (i.e., femoral nerve block), neuroaxial (intrathecal or epidural) opioids postoperatively, or knee capsule injections
- Received aspirin or any nonsteroidal anti-inflammatory drug (NSAID) prior to randomization within the washout period required by the surgical team for surgery with spinal anesthetic, or planned use of NSAIDS post-operatively through Day 28
- Use of more than 20 mg per day (on average) of oral morphine or its equivalent within 1 month prior to randomization
- Use of adjuvant analgesics for chronic pain control (e.g., gabapentin, pregabalin) within 2 weeks prior to randomization or planned use post-operatively through Day 28
- Daily use of benzodiazepines in the 3 months prior to randomization (unless used for sleep and dosage will be consistent after surgery)
- Use of systemic corticosteroids (does not include inhaled steroids) within 3 months or intra-articular steroid injections within 1 month prior to randomization, or planned use of either post-operatively through Day 28
- Treatment with immunosuppressives, antipsychotics, anticholinergics, or anticonvulsants within 1 month of randomization, with the exception of aspirin for cardiac prophylaxis (as long as discontinued within 1 week of randomization)
- Current neurologic disorder, which could confound the assessment of pain (e.g., Parkinson's, Multiple Sclerosis)
- Current active depression symptoms
- Has had a change in dose or regimen of SSRIs or SNRIs for depression within 1 month of randomization
- Mini Mental State Exam score < 24 at Screening
- Severe pulmonary disease; if symptomatic sleep apnea is currently treated with continuous positive airway pressure (CPAP) or bi-level positive airway pressure (BIPAP), use must be continued postoperatively at least during the inpatient period. Patients with sleep apnea associated with a history of postoperative delirium are excluded.
- Current evidence of alcohol abuse or history of alcohol-related complications within 1 year of randomization including, but not limited to, alcoholic withdrawal seizures, hallucinations, delirium tremens or detoxification treatment
- Known or suspected history of illicit drug abuse within 1 year before randomization, current or planned use of medical marijuana, or history of opioid dependence within 2 years before randomization
- Any malignancy within the past year, with the exception of basal cell carcinoma or uncomplicated or stable skin cancers documented to not require further or immediate treatment
- Women who are pregnant or nursing
- Previous participation in any study involving AYX1 Injection
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: AYX1 Injection 660 mg / 6 mL
Single Intrathecal (spinal) administration of AYX1 Injection (660 mg in 6 mL) just prior to intrathecal administration of spinal anesthetic for knee surgery
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6 mL solution for intrathecal injection with 660 mg of AYX1
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Comparateur placebo: Placebo Injection 6 mL
Single Intrathecal (spinal) administration of Placebo Injection (6 mL) just prior to intrathecal administration of spinal anesthetic for knee surgery
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6 mL solution for intrathecal injection; Vehicle formulation designed to mimic AYX1 Injection (with no active drug)
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Expérimental: AYX1 Injection 1100 mg / 10 mL
Single Intrathecal (spinal) administration of AYX1 Injection (1100 mg in 10 mL) just prior to intrathecal administration of spinal anesthetic for knee surgery
|
10 mL solution for intrathecal injection with 1100 mg of AYX1
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Comparateur placebo: Placebo Injection 10 mL
Single Intrathecal (spinal) administration of Placebo Injection (10 mL) just prior to intrathecal administration of spinal anesthetic for knee surgery
|
10 mL solution for intrathecal injection; Vehicle formulation designed to mimic AYX1 Injection (with no active drug)
|
Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
---|---|---|
Pain with walking during 5 meter walk test
Délai: 0-48 hours after surgery
|
Mean pain rating on the Numerical Rating Scale (NRS) with walking during the 5 meter walk test during the inpatient stay (0-48 hours)
|
0-48 hours after surgery
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Pain with walking during 15 meter walk test
Délai: Hospital Discharge to Day 28
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Mean pain rating on the Numerical Rating Scale (NRS) with walking during the 15 meter walk test during the outpatient period up to Day 28
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Hospital Discharge to Day 28
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Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
---|---|---|
Pain with 45 degrees of knee flexion
Délai: 0-48 hours after surgery
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Mean pain rating on the Numerical Rating Scale (NRS) for 45 degrees passive knee flexion during the inpatient stay
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0-48 hours after surgery
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Pain with 90 degrees of knee flexion
Délai: Hospital discharge to Day 28
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Mean pain rating on the Numerical Rating Scale (NRS) for 90 degrees passive knee flexion during the outpatient period to Day 28
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Hospital discharge to Day 28
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Total use of opioid medications (morphine equivalents) during hospital stay
Délai: 0-48 hours after surgery
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0-48 hours after surgery
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Total use of opioid medications (morphine equivalents) post-discharge to Day 28
Délai: Hospital Discharge to Day 28
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Hospital Discharge to Day 28
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Autres mesures de résultats
Mesure des résultats |
Description de la mesure |
Délai |
---|---|---|
Percentage of subjects achieving 90 degrees of knee flexion
Délai: Hospital discharge to Day 42
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Percentage of subjects achieving 90 degrees of active knee flexion in the operative knee at Discharge through Day 42
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Hospital discharge to Day 42
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Collaborateurs et enquêteurs
C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.
Parrainer
Les enquêteurs
- Directeur d'études: Donald C Manning, MD, PhD, Adynxx, Inc.
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 mai 2014
Achèvement primaire (Réel)
1 juin 2015
Achèvement de l'étude (Réel)
1 juin 2015
Dates d'inscription aux études
Première soumission
5 mars 2014
Première soumission répondant aux critères de contrôle qualité
5 mars 2014
Première publication (Estimation)
7 mars 2014
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Estimation)
4 août 2015
Dernière mise à jour soumise répondant aux critères de contrôle qualité
14 juillet 2015
Dernière vérification
1 juillet 2015
Plus d'information
Termes liés à cette étude
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- ADYX-003
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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