Preventing Persistent Post-Surgical Pain and Dysfunction

Part of paid clinical trials in Iowa City, Iowa.

Sponsor
University of Iowa
Study ID
NCT03965897
Status
Completed

Conditions

  • Anxiety
  • Arthroplasty, Replacement, Knee
  • Depression
  • Function
  • Pain
  • Veterans

Eligibility Criteria

Sex
ALL
Age
18 Years - N/A
Healthy Volunteers
Not accepted

Interventions

  • Acceptance and Commitment Therapy (ACT) — BEHAVIORAL
    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.
  • Attention Control (AC) — OTHER
    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.

Study Details

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 Brief Pain Inventory (BPI) Pain Severity Subscale and level of functioning will be measured using the Knee Injury and Osteoarthritis Outcome Score (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.

Key Dates

Start date
Jul 29, 2019
Status verified
Apr 2026
Primary completion
Jul 30, 2023
Completion
Jan 30, 2024

Study Design

Enrollment
402 participants (actual)
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION

Arms

  • Active Comparator: Attention Control (AC)
    The primary purpose of this workshop is to provide attention and education to participants. Topics of discussion will include: a) the pathophysiology of postoperative pain and how it differs from preoperative pain, b) the role of contextual factors (e.g., depressive or anxiety symptoms, expectation) on the experience of pain, d) the role of inflammation in pain and healing, e) types of pain medications and other pain relief strategies provided following surgery, and f) goals of pain medications. Additionally, deep (diaphragmatic) breathing strategies will be taught and a progressive muscle relaxation exercise will be performed in the workshop at strategic times to maintain Veteran engagement.
  • Experimental: Acceptance and Commitment Therapy (ACT)
    The ACT intervention will include: 1) Acceptance and Mindfulness Training emphasizing new ways of managing troubling thoughts, feelings, and physical sensations (e.g., learning how to recognize, and develop cognitive distance from, unhelpful thoughts such as "I can't take this pain anymore" or "This is unfair") and learning how to willingly face experiences that cannot be changed; and 2) Behavioral Change Training involving a) teaching patients how to recognize ineffective patterns of behavior and habits, b) exploring and setting life goals and goals related to mental and physical health, and c) promoting effective and committed actions to achieve these goals despite the urge to do otherwise. The workshop will also include information on pain and pain control post-TKA.

Primary Outcome Measure

Pain Intensity [ Time Frame: 6 weeks postop, 3 months postop and 6 months postop ]

Locations (1)

FacilityCityStateZIPSite coordinators
Iowa City VAMCIowa CityIowa52242-

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