Bone Disease in Chronic Pancreatitis: A Complex Phenomenon

NCT ID: NCT02108509

Last Updated: 2023-09-25

Basic Information

• Recruitment Status: COMPLETED
• Total Enrollment: 55 participants
• Study Classification: OBSERVATIONAL
• Study Start Date: 2014-05-05
• Study Completion Date: 2018-07-18

Brief Summary

The purpose of this study is to define the prevalence of low bone density (osteopenia/osteoporosis) in patients with chronic pancreatitis. Secondary aims include investigating the prevalence of hypogonadism (low sex hormones) in patients with chronic pancreatitis and determining if hypogonadism and/or use of narcotic pain medications are risk factors for low bone density in this patient population.

1. Hypothesis:

Patients with chronic pancreatitis are at increased risk of low bone density (osteopenia/osteoporosis), and hypogonadism (low sex hormone levels) and narcotic pain medication use are independent risk factors for the development of low bone density in this patient population.

2. The outcome measures include:

i) Prevalence of low bone density (osteopenia/osteoporosis) in patients with chronic pancreatitis (as determined by DXA scan and fracture history).

ii) Prevalence of hypogonadism (low sex hormones) in patients with chronic pancreatitis (as determined by sex hormone levels and clinical history).

iii) Identification of hypogonadism and/or opioid use as risk factors for low bone density in patients with chronic pancreatitis (as determined by univariate and multivariate analysis of multiple risk factors).

3. After obtaining written consent from potential subjects, a questionnaire will be performed outlining risk factors for low bone density. Dual X-ray absorptiometry (DXA scan) will be performed to evaluate for low bone density and a blood test will be performed to evaluate for low sex hormones, low levels of vitamin D, and other risk factors for low bone density.

Detailed Description

Chronic pancreatitis is defined as a continuing inflammatory disease of the pancreas characterized by irreversible morphologic changes that typically cause pain and/or permanent loss of function. The annual incidence of chronic pancreatitis in the Unites States is 5-12 per 100,000 and prevalence of 50 per 100,000 persons though the incidence is rising over time . The most common symptoms related to chronic pancreatitis include steatorrhea and abdominal pain. Pain with chronic pancreatitis can be severe and debilitating and opioid pain medications are frequently utilized in the management of these symptoms .

A number of chronic malabsorptive disorders, including Crohn's disease, celiac disease, and cystic fibrosis are known to be associated with decreased bone mineral density. Similarly, there is increasing data supporting low bone mineral density (osteopenia and osteoporosis) in patients with chronic pancreatitis, though the exact mechanisms remain unclear.

A meta-analysis of 11 observational studies of chronic pancreatitis reported the prevalence of osteopenia to be 39.8% and osteoporosis 23.4%, with the cumulative prevalence of low bone density (osteopenia and osteoporosis) being almost 65%. Interestingly, out of the eleven studies in this meta-analysis, eight were performed in Europe, two in India, and one in South America.

Some studies in chronic pancreatitis have described a link between Vitamin D deficiency and risk for low bone density. Other proposed risk factors for low bone density in this patient population include age, gender, malnutrition, alcohol use, smoking, and variation and duration of pancreatitis. However, other potential novel risk factors for low bone density exist in patients with chronic pancreatitis. These factors include chronic use of opioid medications and hypogonadism.

Opioid use is prominent in patients with chronic pancreatitis. At least 85% of patients suffering from chronic pancreatitis will develop pain and despite many different treatment methods, many patients with chronic pancreatitis do not get respite from their pain, even after several years. Therefore, up to 50% or more of all patients with chronic pancreatitis will utilize opioid medications as part of their pain management strategy. Opioid medication use has been shown to be a risk factor for low bone density. The exact mechanism behind opioid-induced low bone density is not known but is likely multi-factorial.

To date, the prevalence of hypogonadism in patients with chronic pancreatitis is unknown but would be expected to be higher than the general population due to the risk factors of opioid use, chronic illness, and potentially malnutrition. This warrants further investigation as a higher prevalence of hypogonadism could directly impact bone health in this cohort, not to mention potential effects of hypogonadism on quality of life and fertility.

This research project will utilize Dual X-ray absorptiometry (DXA scan) and clinical history to determine the prevalence of low bone density (osteopenia/osteoporosis) in our cohort; blood draw, clinical history, and questionnaire to determine prevalence of hypogonadism in our cohort; and blood draw, clinical history, and questionnaire to examine specific risk factors for low bone density in our cohort.

After obtaining written consent from potential subjects, a questionnaire will be performed outlining smoking history, alcohol use history, fracture history, signs/symptoms of hypogonadism, exercise patterns, and opioid medication use history. A one-time Dual X-ray absorptiometry (DXA scan) will be performed on each subject. A one-time blood draw will be performed on each subject, with the following lab tests being performed on each subject:

• 25-hydroxy Vitamin D
• Comprehensive Metabolic Panel
• Total Testosterone (males)
• Estradiol (females)
• Lutenizing hormone (LH)
• Follicle-stimulating hormone (FSH)
• Steroid hormone binding globulin (SHBG)
• Prolactin

Conditions

Chronic Pancreatitis; Osteopenia; Osteoporosis

Study Design

• Observational Model Type: CASE_ONLY
• Study Time Perspective: PROSPECTIVE

Eligibility Criteria

Inclusion Criteria

• Age 19-75 years
• Diagnosis of Chronic Pancreatitis, as defined by specific clinical criteria

Exclusion Criteria

• Refusal to complete the consent process in it's entirety.
• Pregnancy

• Minimum Eligible Age: 19 Years
• Maximum Eligible Age: 75 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

University of Nebraska

OTHER

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Brian Boerner, MD

Role: PRINCIPAL_INVESTIGATOR

University of Nebraska

Locations

University of Nebraska Medical Center

Omaha, Nebraska, United States

Countries

United States

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Other Identifiers

0113-14-FB

Identifier Type: -

Identifier Source: org_study_id