Reduced postprandial blood glucose levels in recently diagnosed non-insulin-dependent diabetics secondary to pharmacologically induced delayed gastric emptying

William T Phillips, Joyce G. Schwartz, C. Alex McMahan

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

In a previous study we demonstrated that patients with recently diagnosed non-insulin-dependent diabetes mellitus (NIDDM) had significantly increased gastric emptying rates of glucose solutions compared with those of nondiabetic sex- and age-matched controls. This finding of rapid gastric emptying contrasts with the delayed gastric emptying often exhibited as a late manifestation of diabetes mellitus that is attributed to autonomic neuropathy. The purpose of this study was to determine, in seven of the patients previously studied, whether (1) an intravenous infusion of cholecystokinin-8 (CCK-8) would delay the gastric emptying of a liquid glucose meal and, if so, (2) whether the delay in gastric emptying would result in reduced postprandial blood glucose concentrations due to prolongation of the absorption of the glucose in the liquid meal. Each patient underwent two separate gastric emptying studies, one during a saline infusion and one during a CCK-8 infusion. Blood samples were obtained at 15-min intervals for measurement of glucose, insulin, CCK-8, and gastric inhibitory polypeptide (GIP) concentrations. The average gastric half-emptying time was 41 min with the saline infusion and 94 min with the CCK-8 infusion (P=0.0042). The average glucose concentration over the 2-hr period following glucose ingestion was 17.1 mmol/liter with the saline infusion and 14.0 mmol/liter with the CCK-8 infusion (P=0.0073). The average glucose excursion value over the 2-hr period was reduced from 5.6 mmol/liter to 3.7 mmol/liter with the CCK-8 infusion (P=0.0550). Average CCK-8 (P=0.0247) and GIP (P=0.0032) excursion values were significantly different when patients received the CCK-8 infusion compared to concentrations after the saline infusion. Agents that delay gastric emptying may have therapeutic applications in patients with NIDDM.

Original languageEnglish (US)
Pages (from-to)51-58
Number of pages8
JournalDigestive Diseases and Sciences
Volume38
Issue number1
DOIs
StatePublished - Jan 1993

Fingerprint

Gastric Emptying
Blood Glucose
Glucose
Gastric Inhibitory Polypeptide
Type 2 Diabetes Mellitus
Meals
cholecystokinin 8
Intravenous Infusions
Diabetes Mellitus
Eating
Insulin

Keywords

  • gastric emptying
  • glucose
  • NIDDM

ASJC Scopus subject areas

  • Gastroenterology

Cite this

Reduced postprandial blood glucose levels in recently diagnosed non-insulin-dependent diabetics secondary to pharmacologically induced delayed gastric emptying. / Phillips, William T; Schwartz, Joyce G.; McMahan, C. Alex.

In: Digestive Diseases and Sciences, Vol. 38, No. 1, 01.1993, p. 51-58.

Research output: Contribution to journalArticle

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