hsCRP Clinical Inflammation Marker for Human Bisphenol A Food Contamination

Center for Research on Environmental Chemicals in Humans

Status: Completed

Conditions: Inflammation

Treatments: Diagnostic Test: hsCRP serum measurement of inflammation

Study type: Interventional

Funder types: Other

Identifiers

NCT04600765

UCSF-IRB-IRB-15-17703

Details and patient eligibility

About

Dietary intervention studies thus far have failed to be replicable or causal.This is particularly relevant regarding plastic-derived chemicals (PDCs),This first-of-a-kind dietary intervention study explores a potential causal relationship between human serum levels of BPA and High-Sensitivity C-Reactive Protein (hsCRP)

Full description

Dietary intervention studies thus far have failed to be replicable or causal. The results, therefore, have failed to provide clinicians and the general public with consistent and useful information on which to base reliable food-related health decisions. This is particularly relevant regarding plastic-derived chemicals (PDCs), such as Bisphenol A, now that the federal CLARITY-BPA program has failed to achieve scientific consensus. Investigators propose a novel human dietary protocol that is both replicable and causal, based upon BPA's demonstrated inflammatory effects in humans. This first-of-a-kind dietary intervention study explores a potential causal relationship between human serum levels of BPA and High-Sensitivity C-Reactive Protein (hsCRP), a proven clinical indicator of inflammation. Investigators used the equivalent of a USDA-defined "typical diet" followed by a PDC-reduced diet to compare blood levels of hsCRP. This proof-of-concept investigation is the first to use an easily accessible, medically-accepted clinical laboratory test to directly measure human health effects of PDC reduction. Unexpected new complications discovered during the investigation indicate that these results may yet be inconclusive for direct causal relationship. However, the novel lessons and techniques developed as a result of those discoveries offer further specific and improved methods and best practices that can enable future dietary interventions to produce replicable, causal results.

Enrollment: 1 patient

Sex: Male

Ages: 60 to 70 years old

Volunteers: Accepts Healthy Volunteers

Inclusion and exclusion criteria

INCLUSION CRITERIA

• Overall good health
• hsCRP below 10
• Standard health review blood panel normal
• BMI less than 25
• % body fat less than 23%
• Resident of North San Francisco Bay area
• Willing to eat 100% of all foods and beverages provided.
• No food allergies
• Not taking prescription medications or supplements including daily aspirin.
• Written unformed consent
• Any one not compliant with inclusion criteria.

EXCLUSION CRITERIA

• Subject in poor health
• hsCRP above 10
• Standard health review blood panel beyond minimum or maximum limits for any measurement.
• Taking taking prescription medications or supplements including daily aspirin.
• Any evidence of inflammation-linked disease or syndrome including cardiovascular, metabolic syndrome, Type 2 Diabetes, insulin resistance, obesity, auto-immune disease, depression, or other neurological or behavioral disorders.

Trial design

Primary purpose: Basic Science

Allocation: Non-Randomized

Interventional model: Single Group Assignment

Masking: None (Open label)

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1 participants in 2 patient groups

Diet Before

Active Comparator group

Description:

Typical diet contaminated with Bisphenol A. Patient assigned to this arm will consume a typical American diet as defined by USDA.

Treatment:

Diagnostic Test: hsCRP serum measurement of inflammation

Diet After

Active Comparator group

Description:

Bisphenol A reduced. Patient assigned to this arm will consume a diet analogous to atypical American diet as defined by USDA, but with known Bisphenol A sources reduced or eliminated.

Treatment:

Diagnostic Test: hsCRP serum measurement of inflammation