Pancreatic Quantitative Sensory Testing (P-QST) to Predict Treatment Response for Pain in Chronic Pancreatitis (P-QST)

  • End date
    Jun 30, 2026
  • participants needed
  • sponsor
    University of Pittsburgh
Updated on 23 March 2022
chronic pancreatitis


Abdominal pain in chronic pancreatitis (CP) affects up to 90% of patients during the course of their disease, and response to currently available therapies is suboptimal and unpredictable. The proposed clinical trial will evaluate the predictive capability of Pancreatic Quantitative Sensory Testing (P-QST) - a novel assessment of neurosensory phenotyping- for improvement in pain in patients with CP who are undergoing medically-indicated invasive treatment with endoscopic therapy or surgery.


P-QST has been shown to be able to phenotype patients with CP into nociceptive patterns according to degree of central sensitization. As a tool to identify baseline nociceptive pattern in patients with painful CP, P-QST will be performed at baseline prior to planned invasive treatment with endoscopic therapy or decompressive surgery. We will evaluate the ability of P-QST to predict response to invasive treatment for painful CP, and to develop a predictive model for individualized prediction of treatment response.

Patients will undergo pre-procedure P-QST testing before undergoing scheduled invasive treatment as directed by their treating gastroenterologist. The date of first endoscopic therapy or surgery will be used to calculate follow-up timepoints, which will be scheduled at 3, 6, and 12 months after the first endotherapy session or surgery. At each follow-up time point, patients will answer questions about their pain. In addition, patients will complete patient reported outcome tools (HADS, PCS instruments) and the Patient Global Impression of Change. Serum and urine samples will be obtained at baseline and at 6-month follow-up timepoints.

Condition Chronic Pancreatitis, Chronic Pain
Treatment Quantitative Sensory Test 2, Quantitative Sensory Test 1, Quantitative Sensory Test 3
Clinical Study IdentifierNCT04996628
SponsorUniversity of Pittsburgh
Last Modified on23 March 2022


Yes No Not Sure

Inclusion Criteria

Adult patients ≥ 18 years of age with definite CP undergoing decompressive invasive treatments (endoscopic therapy or surgery) to relieve main pancreatic duct obstruction due to stones and/or stricture for management of pain
Endoscopic therapy: Endoscopic Retrograde Cholangiopancreatography (ERCP) with pancreatic duct stone removal, stent placement, and/or stricture dilation, ± intraductal lithotripsy or Extracorporeal Shock Wave Lithotripsy (ESWL)
Surgery: drainage procedures (Frey and Puestow operations)

Exclusion Criteria

Patients with chronic pain from conditions other than CP
Patients < 18 years of age
Patients who have had endoscopic therapy within the past 12 months
Patients who have undergone prior pancreatic surgery
Patients who have resective surgical procedure planned (eg. Whipple procedure, Total Pancreatectomy)
Patients with peripheral sensory deficits
Patients with known pregnancy at the time of study screening
Note: Women who become pregnant during the course of the study can no longer participate in P-QST testing
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