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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03965897
Other study ID # 201812794
Secondary ID
Status Recruiting
Phase Phase 2/Phase 3
First received
Last updated
Start date July 29, 2019
Est. completion date November 30, 2024

Study information

Verified date November 2023
Source University of Iowa
Contact Barbara Rakel, PhD
Phone 319-335-7036
Email barbara-rakel@uiowa.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Primary Aim: To examine the superior efficacy of ACT versus Attention Control (AC) on postoperative pain intensity and functioning in at-risk Veterans undergoing TKA. Changes in pain intensity and functioning from baseline to 6 weeks, 3 months and 6 months post-TKA will be compared. Level of pain intensity will be measured using the BPI Pain Severity Subscale and level of functioning will be measured using the KOOS Activities of Daily Living and Quality Of Life Subscales. Secondary Aims: A) To examine the superior efficacy of ACT versus AC on the severity of anxiety and depressive symptoms and improvements in coping skills. Changes from baseline to 6 weeks, 3 months and 6 months post-TKA will be compared. Anxiety and depressive symptoms will be measured with the Hamilton Rating Scales (Ham-A and Ham-D, respectively). Coping skills (i.e. Pain Acceptance and Engagement in Values-Based Behavior) will be measured with the Chronic Pain Acceptance Questionnaire and the Chronic Pain Values Inventory. B) To evaluate whether decreases in distress-based symptoms and increases in coping skills mediate changes in pain and functioning at 6 months in Veterans receiving ACT. Changes in anxiety symptoms, depressive symptoms, pain acceptance and engagement in values-based behavior from baseline to 6 weeks and 3 months will be used as potential mediators for changes in pain and functioning at 6 months. Exploratory Aim: Describe the pharmacological and non-pharmacological strategies Veterans are using to manage pain and their perceived helpfulness. This will provide insights into the effects of the current opioid restrictions on pain management strategies. These strategies & their perceived helpfulness will be assessed using the Pain Management Strategies Survey at baseline, 6 weeks, 3, and 6 months.


Description:

Persistent post-surgical pain (PPSP) is a common and debilitating problem following surgery.1 Orthopedic surgeries, such as Total Knee Arthoplasty (TKA), are consistently associated with high postoperative pain, putting patients at risk for PPSP.2, 3 In fact, TKA has the highest rate of PPSP at 6 months (49%) when compared to a variety of surgeries.4 Pain that persists beyond the expected period of healing serves little or no useful purpose and can be devastating to one's sense of well-being. Notably, pain severity is highly correlated with adverse effects on physical functioning, recovery and quality of life, including negative impacts on sleep, mood, daily activities, cognitive functions and social life.2, 5-13 PPSP is also highly correlated with prolonged opioid use following surgery. When pain and addiction are present, the patient's level of desperation rises, medical and psychiatric illness severity increases, and there is greater utilization of health care services. Strong and consistent evidence indicates that patients with high levels of pain, anxiety and/or depressive symptoms (distress) prior to surgery are at risk for PPSP.5, 14-23 Notably, Veterans are at a particularly high risk for post-surgical problems because 80% experience some level of psychological distress prior to surgery and 50% report experiencing pain on a regular basis.9, 24 Furthermore, surgery presents a unique set of circumstances in which the precise timing of the physical insult and ensuing pain are known in advance. 25 It is, therefore, possible and critical that these risk factors be attended to in order to improve postoperative pain management and disrupt processes responsible for the transition from acute to chronic pain. As proof of concept, co-PIs Rakel and Dindo completed an R34-funded study evaluating the feasibility and potential efficacy of an intensive 1-day Acceptance and Commitment Therapy (ACT) workshop for preventing PPSP and prolonged opioid use following orthopedic surgery in at-risk Veterans. ACT is trans-diagnostic, with effectiveness across a range of conditions, including chronic pain, depression, and anxiety.16-18 The brief, 1-day format was used to optimize treatment adherence and chances for dissemination into clinical settings. Results were promising. 100% of the Veterans attending, completed the 1-day intervention. Compared to controls, Veterans randomly assigned to ACT reported a larger decrease in pain intensity 3 months post-TKA and reached pain and opioid cessation criteria sooner. Importantly, Veterans reporting larger changes in behavioral engagement (targeted mediator of ACT) exhibited significantly larger decreases in pain and opioid use. This application builds on these promising preliminary findings using a rigorous design to establish the unique effects of ACT beyond attention and explore mediators of treatment response. In the context of the current opioid epidemic, it is also important for us to better understand how changes in opioid prescribing patterns are influencing postoperative pain management strategies. It is likely that complaints of pain will increase, putting patients at higher risk for PPSP and impaired functioning. Early reports suggests that patients are looking for substitute sources of pain relief, such as rogue Fentanyl powder and Gabapentin.26, 27 Using a multi-site, double-blind, two-arm, parallel, randomized controlled trial with Veterans at-risk for PPSP post-TKA, the following aims will be addressed: Primary Aim: To examine the superior efficacy of ACT versus Attention Control (AC) on postoperative pain intensity and functioning in at-risk Veterans undergoing TKA. Changes in pain intensity and functioning from baseline to 6 weeks, 3 months and 6 months post-TKA will be compared. Level of pain intensity will be measured using the BPI Pain Severity Subscale and level of functioning will be measured using the KOOS Activities of Daily Living and Quality Of Life Subscales. Secondary Aims: A) To examine the superior efficacy of ACT versus AC on the severity of anxiety and depressive symptoms and improvements in coping skills. Changes from baseline to 6 weeks, 3 months and 6 months post-TKA will be compared. Anxiety and depressive symptoms will be measured with the Hamilton Rating Scales (Ham-A and Ham-D, respectively). Coping skills (i.e. Pain Acceptance and Engagement in Values-Based Behavior) will be measured with the Chronic Pain Acceptance Questionnaire and the Chronic Pain Values Inventory. B) To evaluate whether decreases in distress-based symptoms and increases in coping skills mediate changes in pain and functioning at 6 months in Veterans receiving ACT. Changes in anxiety symptoms, depressive symptoms, pain acceptance and engagement in values-based behavior from baseline to 6 weeks and 3 months will be used as potential mediators for changes in pain and functioning at 6 months. Exploratory Aim: Describe the pharmacological and non-pharmacological strategies Veterans are using to manage pain and their perceived helpfulness. This will provide insights into the effects of the current opioid restrictions on pain management strategies. These strategies & their perceived helpfulness will be assessed using the Pain Management Strategies Survey at baseline, 6 weeks, 3, and 6 months. This project builds on promising preliminary data and has the potential to translate what is known about effective treatments of chronic pain to prevent poor surgical outcomes. It incorporates an interdisciplinary approach to the care of Veterans that attends to major risk factors of postoperative sequelae that significantly impact Veterans' quality of life and healthcare utilization. Using an effective, highly accepted and deployable intervention increases the clinical usefulness of these results which may be extended in the future to the many other conditions leading to chronic pain in both Veterans and Civilians.


Recruitment information / eligibility

Status Recruiting
Enrollment 430
Est. completion date November 30, 2024
Est. primary completion date November 30, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - scheduled for unilateral total knee arthroplasty (TKA) - identified to be "at-risk" at the enrollment visit (i.e. worst pain =7 on BPI (severe pain) OR worst pain =3 (moderate pain) on BPI PLUS anxiety symptoms =6 on the Anxiety Subscale of the Depression, Anxiety and Stress Scale [DASS-21] or =10 on the Stress Subscale of the Depression, Anxiety and Stress Scale [DASS-21] OR depressive symptoms =7 on Depression Subscale of the Depression, Anxiety and Stress Scale [DASS-21] OR >20 on the Pain Catastrophizing Scale [PCS]. Exclusion Criteria: - inability to complete study forms/procedures because of a language/literacy barrier; - bipolar or psychotic disorder - history of brain injury - cognitive impairment (determined by score of <21 [high school or above] or <20 [< high school] on the Veterans Affairs Saint Louis University Mental Status [SLUMS] exam) - ACT therapy within the past year - inability to attend workshop prior to surgery

Study Design


Intervention

Behavioral:
Acceptance and Committment Therapy (ACT)
Overall, the goal of the ACT intervention is to cultivate psychological flexibility: to help Veterans respond to life events in ways which do not exacerbate difficulties or restrict engagement in meaningful activities. It increases patients' awareness of behaviors that exacerbate the pain (such as struggling with it) and recognition of avoidance strategies that interfere with life engagement.
Other:
Attention Control (AC)
Information on any other coping practices will be omitted. The group facilitators will present one topic at a time, using the Pain Manual, and the participants will discuss and reflect about issues and experiences related to each topic. If necessary, the group facilitators will raise specific discussion questions to facilitate group dialogue and participant involvement.

Locations

Country Name City State
United States Iowa City VAMC Iowa City Iowa

Sponsors (2)

Lead Sponsor Collaborator
Barbara A Rakel Baylor College of Medicine

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Pain Intensity Pain will be measured using the Brief Pain Inventory (BPI) Short Form. Baseline (preop) to 6 months post-surgery.
Primary Function Functioning will be measured using the Knee Injury and Osteoarthritis Outcome Score (KOOS). Baseline (preop) to 6 months post-surgery
Secondary Anxiety Anxiety will be measured using the Anxiety Subscale of the Depression, Anxiety and Stress Scale (DASS-21). Baseline (preop) to 6 months post-surgery
Secondary Depressive Symptoms Depressive Symptoms will be measured using the Depression Subscale of the Depression, Anxiety and Stress Scale (DASS-21). Baseline (preop) to 6 months post-surgery
Secondary Level of Pain Acceptance Pain Acceptance will be measured using the Chronic Pain Acceptance Questionnaire (CPAQ). Baseline (preop) to 6 months post-surgery
Secondary Level of Success in Engagement in Values-Based Behavior Engagement in Values-Based Behavior will be measured using the Chronic Pain Values Inventory (CPVI). Baseline (preop) to 6 months post-surgery
Secondary Pain Management Strategies used Pain Management Strategies will be measured using a Pain Management Strategies Survey (PMSS). Baseline (preop) to 6 months post-surgery
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