People with persistent pain sometimes describe reassuring test results being followed by the implication that their pain should have disappeared. That response leaves little room for an experience that remains distressing, particularly when psychological treatment is introduced only after the person feels medicine has dismissed them.
Pain arises through the nervous system and is shaped by tissue signals as well as learning, attention, sleep and the meaning given to sensation. Injury and inflammation may remain relevant while the system becomes more protective, so the intensity of pain can exceed what the current tissue findings alone would predict.
Understanding the contributors to persistent pain
Nociplastic pain describes pain arising from altered nociception when ongoing tissue damage or a lesion of the somatosensory system does not adequately explain the experience. It can overlap with nociceptive or neuropathic pain, and requires careful assessment rather than a casual conclusion that further medical investigation is unnecessary.
A formulation may include structural changes and inflammation alongside sensitisation, disrupted sleep, fear of movement or memories of painful flares. Considering these contributors together allows treatment to address more than one part of the problem, while continuing to take the pain and the person's physical limits seriously.
Psychological care should work alongside appropriate medical and rehabilitation care, particularly when the person has previously heard explanations that seemed to equate reassuring investigations with imagined symptoms.
The pain reprocessing trial and its follow-up
A randomised trial published in 2022 compared pain reprocessing therapy with placebo injection and usual care in people with primary chronic back pain. Treatment combined pain education, reappraisal of threatening sensations, exposure to feared movement and emotional work, with unusually large initial effects that warranted further scrutiny.
In the five-year follow-up reported in 2025, benefits in pain intensity remained greater in the pain reprocessing group than with usual care, although fewer participants contributed follow-up data. This remains one trial in a selected population, which limits its application to other pain conditions and individual treatment decisions.
The sustained result suggests that changing how sensations are interpreted and approached may have benefits beyond the treatment period for some people with primary chronic back pain. It provides a reason to investigate the approach further while retaining the limits of the original sample and comparison conditions.
Reappraisal, acceptance and graded activity
Reappraisal involves learning which sensations require protection and which may be approached through carefully graded activity, often with input from medical and physical-health professionals. Repeating a reassurance about safety regardless of the evidence would miss the assessment and learning that make this work possible.
Acceptance and commitment therapy focuses on reducing how much pain governs daily decisions, including helping a person engage in activities that matter while symptoms remain present. A 2024 meta-analysis found improvements in several psychological and quality-of-life outcomes, with variation in the size and certainty of the effects.
Both approaches require attention to pacing and physical limits, because building activity can become another pressure to override the body. The plan needs enough flexibility to increase capacity where fear and overprotection contribute, while allowing protection and recovery where the body requires them.
Deciding what psychological treatment should target
Depending on the formulation, therapy may address catastrophic predictions, fear of movement, disrupted sleep or the strain pain places on relationships. Grief for a changed life and anger about healthcare experiences may also need attention, while a trauma history should be assessed on its own evidence rather than assumed from persistent pain.
Outcomes might include fewer flares, more confidence in movement or greater participation in daily life, alongside changes in pain intensity. Agreeing on those goals makes it possible to review whether treatment is helping the person do something they have been unable to do, without making complete pain relief the only acceptable result.
Research drawn on
- Ashar YK, Gordon A, Schubiner H, et al. Effect of pain reprocessing therapy vs placebo and usual care for patients with chronic back pain. JAMA Psychiatry. 2022.
- Ashar YK, Low EL, Knight K, et al. Pain reprocessing therapy vs placebo and usual care for patients with chronic back pain: 5-year follow-up. JAMA Psychiatry. 2025.
- Ma T-W, Yuen AS-K, Yang Z. Acceptance and commitment therapy for patients with chronic pain: a systematic review and meta-analysis. PLOS ONE. 2024.
AI disclosure
Brent Munro researched, wrote and reviewed this insight, with ChatGPT assisting in literature searches, limited research comparisons, editing and image generation. He retains full responsibility for the published content.

