Cited by 154Pain Mechanisms and TreatmentsPain Management and TreatmentMusculoskeletal pain and rehabilitation

Patients’ Global Impression of Change in the management of peripheral neuropathic pain: Clinical relevance and correlations in daily practice

Perrot, Serge, Lantéri‐Minet, Michel·2019·European Journal of Pain

Abstract

BACKGROUND: Patient-Reported Outcome (PRO) instruments have been developed to evaluate pain management in daily practice; the Patients' Global Impression of Change (PGIC) is particularly recommended by the Initiative on Methods, Measurement, and Pain Assessment in Clinical Trials. The prospective non-interventional multicenter PRO-QURE study aimed at assessing correlations between PGIC and pain measurements and treatment effects in patients followed in French pain centres. METHODS: Respectively, 495 and 379 patients with peripheral neuropathic pain initiating treatment with capsaicin 8% cutaneous patch(es) (female, 62.6%; mean age, 54.0 ± 14.8 years; post-surgical or traumatic pain, 52.7%; mean pain duration, 42.2 ± 54.1 months; DN4 score >4, 92.9%) completed the PGIC and several other PRO instruments before (baseline) and 3 months (M3) after treatment application. RESULTS: At M3, improvement ("much improved" or "very much improved") was observed in 23.0% of patients, associated with decreases of -3.0 ± 2.2, -2.5 ± 2.4, and -23.1 ± 19.7 in BPI pain intensity, BPI pain interference and NPSI total scores, respectively. The highest Spearman's rank correlation coefficients with PGIC were found for pain intensity (BPI: r = -0.479, p < 0.001), satisfaction with current state (Patient Acceptable Symptomatic State: r = 0.455, p < 0.001), and treatment effectiveness (TSQM: r = 0.431, p < 0.001); correlation coefficients were lower for all NPSI scores, BPI pain interference score, HAD scores and EQ-5D-3L index. CONCLUSIONS: In daily clinical practice, significant improvement in peripheral neuropathic pain, as assessed by PGIC scores, significantly correlated with changes in well-established measures of pain intensity, pain interference with activities of daily living, mood and quality of life, confirming its clinical interest as PRO measure in real-world conditions. SIGNIFICANCE: Clinically important improvement in peripheral neuropathic pain, as assessed by PGIC scores, significantly correlated with well-established measures of pain intensity, pain interference in daily life and treatment efficacy. This result, associated with the ease of administration and scoring, encourages the widespread use of the PGIC in daily practice.

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Crossref · 10.1002/ejp.1378

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Authors
Perrot, S., & Lantéri‐Minet, M.
Affiliations
Inserm (FR)
Corresponding author
Perrot, Serge
Venue
European Journal of Pain
Publisher
Wiley
Published
2019-03-18
Volume
23
Issue
6
Pages
1117-1128
ISSN
  • 1090-3801 (ISSN-L)
  • 1532-2149
OpenAlex
W2917615682
Cited by
154
References
34
Citations by year
2026: 18 · 2025: 26 · 2024: 30 · 2023: 24 · 2022: 22 · 2021: 22 · 2020: 9 · 2019: 3
FWCI
9.60
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Pain (publishedVersion)
  • PubMed (publishedVersion)
Funders
Astellas Pharma
Topics
  • Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
  • Health Sciences › Medicine › Anesthesiology and Pain Medicine › Pain Management and Treatment
  • Health Sciences › Medicine › Pharmacology › Musculoskeletal pain and rehabilitation
Keywords
peripheral neuropathic pain, patient-reported outcomes, pain intensity, pain interference, treatment effectiveness, quality of life, mood, patient acceptable symptom state, real-world evidence, treatment satisfaction, pain management outcomes
MeSH terms
Activities of Daily Living, Adult, Aged, Analgesics, Capsaicin, Female, Humans, Male, Middle Aged, Neuralgia, Pain Measurement, Prospective Studies, Quality of Life, Treatment Outcome, Pain Clinics, Transdermal Patch, Pain Management

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