NCT00950976

Brief Summary

To determine the level of citrulline to produce a given amount of arginine in healthy volunteers and surgical patients. Arginine-related amino acids are expected to increase as a result of increased substrate provided by citrulline.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
14

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Mar 2008

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2008

Completed
1.4 years until next milestone

First Submitted

Initial submission to the registry

July 10, 2009

Completed
24 days until next milestone

First Posted

Study publicly available on registry

August 3, 2009

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2010

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2010

Completed
Last Updated

April 25, 2012

Status Verified

April 1, 2012

Enrollment Period

2.1 years

First QC Date

July 10, 2009

Last Update Submit

April 24, 2012

Conditions

Outcome Measures

Primary Outcomes (1)

  • Plasma amino acid levels

    8 hours

Study Arms (2)

Citrulline

EXPERIMENTAL
Other: citrulline

lemonade

PLACEBO COMPARATOR

Equal volume and flavor to citrulline.

Other: Lemonade

Interventions

TID for 5 days

Citrulline

TID for 5 days

lemonade

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • adults, male \& female, non-pregnant
  • BMI 18.5-29.9

You may not qualify if:

  • cancer
  • HIV positive

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Pittsburgh Medical Center

Pittsburgh, Pennsylvania, 15213, United States

Location

MeSH Terms

Conditions

Malnutrition

Interventions

Citrulline

Condition Hierarchy (Ancestors)

Nutrition DisordersNutritional and Metabolic Diseases

Intervention Hierarchy (Ancestors)

Amino Acids, DiaminoAmino AcidsAmino Acids, Peptides, and Proteins

Study Officials

  • Juan B. Ochoa, MD Prof.

    Associate Professor of Surgery and Critical Care, University of Pittsburgh Physicians

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 10, 2009

First Posted

August 3, 2009

Study Start

March 1, 2008

Primary Completion

April 1, 2010

Study Completion

August 1, 2010

Last Updated

April 25, 2012

Record last verified: 2012-04

Locations