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Study of the Metabolism of Pyruvate and Related Problems in Patients With Lactic Acidemia

This study has been completed.
University of California, San Diego
Information provided by:
National Center for Research Resources (NCRR) Identifier:
First received: October 18, 1999
Last updated: July 9, 2008
Last verified: April 2002

OBJECTIVES: I. Study the metabolism of pyruvate and related problems in patients with lactic acidemia.

II. Define the nature of the metabolic defect.

Mitochondrial Myopathy
MELAS Syndrome
Lactic Acidosis

Study Type: Observational

Resource links provided by NLM:

Further study details as provided by National Center for Research Resources (NCRR):

Estimated Enrollment: 35
Study Start Date: December 1978
Detailed Description:

PROTOCOL OUTLINE: Patients fast for 6 hours. Glucagon IM is administered after the 6 hour fast. Glucose level is measured at 0, 15, 30, 45, 60, and 90 minutes.

In children of sufficient size, alanine and lactic acid should also be measured at each or most of these time points.

Fasting continues for at least 18 hours. Glucagon IM is administered again at end of fast. Glucose level is measured at time 0, 15, 30, 45, 60, and 90 minutes.


Ages Eligible for Study:   Child, Adult, Senior
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No


  • Diagnostically documented elevation in lactate, pyruvate, and/or alanine levels in lactic acidemia patients
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Please refer to this study by its identifier: NCT00004353

United States, California
University of California San Diego Medical Center
San Diego, California, United States, 92103-8757
Sponsors and Collaborators
National Center for Research Resources (NCRR)
University of California, San Diego
Study Chair: Richard H. Haas University of California, San Diego
  More Information Identifier: NCT00004353     History of Changes
Other Study ID Numbers: NCRR-M01RR00827-0071
Study First Received: October 18, 1999
Last Updated: July 9, 2008

Keywords provided by National Center for Research Resources (NCRR):
MELAS syndrome
inborn errors of metabolism
lactic acidosis
mitochondrial myopathy
rare disease

Additional relevant MeSH terms:
Mitochondrial Myopathies
Muscular Diseases
Acidosis, Lactic
MELAS Syndrome
Musculoskeletal Diseases
Neuromuscular Diseases
Nervous System Diseases
Acid-Base Imbalance
Metabolic Diseases
Mitochondrial Diseases
Mitochondrial Encephalomyopathies
Brain Diseases, Metabolic, Inborn
Brain Diseases, Metabolic
Brain Diseases
Central Nervous System Diseases
Cerebral Small Vessel Diseases
Cerebrovascular Disorders
Vascular Diseases
Cardiovascular Diseases
Metabolism, Inborn Errors
Genetic Diseases, Inborn processed this record on May 25, 2017