Observational Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Feb 28, 2015; 21(8): 2450-2459
Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2450
Table 1 Variables used to construct clinical patient scenarios in unresectable metastatic well-differentiated pancreatic neuroendocrine tumors
VariableRange of values
Anatomic sitePancreatic neuroendocrine tumors
Line of treatmentObservation; first-line treatment; second-line treatment; third-line treatment
Patient’s primary problemUncontrolled secretory symptoms; uncontrolled tumor-related symptoms; rapid radiographic progression; nonrapid radiographic progression; no symptoms and no radiographic progression; no symptoms
Postmarker and postscan testing statusNo progression from prior marker and scan; progression after prior marker and scan
Frequency of testing a patient with markers and scansEvery 3 mo; every 6 mo; every 9 mo; every 12 mo
Cytoreductive surgeryOptimal cytoreductive surgery; suboptimal cytoreductive surgery; not a candidate for surgery
Systemic therapySomatostatin analog; everolimus; sunitinib; cytotoxic chemotherapy; interferon-α; temozolomide-containing regimen; streptozotocin-containing regimen
Response to lower octreotide LAR dosePreviously responded to a lower dose or frequency; previously did not respond to a lower dose or frequency
Octreotide LAR frequencyEvery 2 wk; every 3 wk; every 4 wk
Octreotide LAR dosing30 mg; 40 mg; 60 mg; 90 mg; 120 mg