Breath and Blood Ammonia Response to an Oral Protein Challenge

NCT ID: NCT02650245

Last Updated: 2016-10-13

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

12 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-10-31

Study Completion Date

2016-04-30

Brief Summary

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The investigators specific aim is to evaluate the changes in breath ammonia in comparison to blood ammonia and other physiologic markers after a moderate oral protein challenge in healthy subjects and subjects with liver cirrhosis.

Detailed Description

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Ammonia is an important molecule relevant to numerous diseases, especially to the millions of patients with cirrhosis worldwide. Venous blood ammonia via limb phlebotomy, can at best roughly estimate whole body ammonia, but says little or nothing about intestinal production, and cannot "source" ammonia to any particular organ or body compartment. Unfortunately, there are no presently available better tests. Therefore, despite these acknowledged limitations, venous ammonia the "bronze standard" benchmark by which new metrics are assessed.

The present protocol attempts to address both concerns and build upon the investigators prior high protein experience. By using a standard moderate protein challenge, the investigators can evaluate the breath ammonia responsiveness in healthy subjects and those with cirrhosis. This protocol leverages the power of breath research to evaluate responses to oral challenges. This remains a key asset of breath research.

Since the protocol proposes a moderate protein challenge, the investigators can evaluate disease states with minimal or no risk. As with past high protein studies, lactulose (10gm) will still be added to provoke a hydrogen response.

Conditions

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Cirrhosis

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Moderate protein and 10gm lactulose

40% of daily recommended intake of protein based on weight

Group Type EXPERIMENTAL

EAS Myoplex Protein Drink + 10gm lactulose

Intervention Type DIETARY_SUPPLEMENT

Interventions

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EAS Myoplex Protein Drink + 10gm lactulose

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* \<18 and \<75 yrs of age

Exclusion Criteria

* Diabetic, smoker, substance abuse
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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St. Luke's Hospital and Health Network, Pennsylvania

OTHER

Sponsor Role lead

Responsible Party

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Dr. Steve Solga

M.D.

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Steve Solga, M.D.

Role: PRINCIPAL_INVESTIGATOR

St. Luke's University Hospital and Health Network

Locations

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St. Luke's University Hospital and Health Network

Bethlehem, Pennsylvania, United States

Site Status

Countries

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United States

Other Identifiers

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2015-59

Identifier Type: -

Identifier Source: org_study_id

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