Observational studyBMC palliative care2026
Prevalence of acute pain crisis in patients with cancer in Specialist Palliative Care Clinic: An observational study.
Observational study in BMC palliative care, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
backgroundTo evaluate the prevalence of acute pain crisis among cancer patients presenting to an outpatient specialist palliative care clinic.
methodsThis observational study was conducted over six months at a tertiary cancer hospital in India utilizing the ESAS-r and Distress Thermometer tools. Eligible participants were patients aged 18 years or older who attended the Palliative Medicine outpatient clinic with a pain score of 7 or above on the Numerical Rating Scale and a distress score of 4 or higher on the Distress Thermometer.
resultsOf the 5,570 patients screened for eligibility, 95 presented with an acute pain crisis, yielding a prevalence of 1.7% (95% CI: 1.38–2.08). The median age of the patients was 50 years (IQR: 40–57), with 54% females and 46% males. The most common cancer sites were the head and neck (20%), followed by gynecological (13.7%), and thoracic/breast/hepatobiliary (10.5%) cancers. The most frequent pain quality descriptors were radiating pain (59%), shooting (49%), electrical or throbbing (44%), pricking (43%), dull aching (38%), burning (27%), tenderness (20%), cramping (17%), and unknown types (2%). The median distress score reported on the Distress Thermometer was 8 (IQR: 6–9). Intravenous fentanyl was the most commonly used analgesic for managing pain crisis, with a median dose of 20 mcg (IQR: 20). The median NRS pain scores were 9 (IQR: 8–10) at 0 minutes, 6 (IQR: 4–7) at 15 minutes, and 3 (IQR: 2–4) at 30 minutes. The reductions in NRS scores at 15 and 30 minutes were 3 and 6 points, respectively.
conclusionTo the best of our knowledge, this is the first study aimed at evaluating the prevalence of pain crisis in an outpatient specialist palliative care clinic. Managing an acute pain crisis in such a setting requires a careful balance of timely interventions, appropriate medication use, and strong communication among patients, caregivers, and palliative care physicians. The causes of acute pain crisis were not explored in this study, which represents a potential area for future research.
trial registrationClinical Trials Registry India (CTRI) Reg no. CTRI/2024/02/062517 [Registered on 12/02/2024].
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