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Advances in Diabetes Research: New Findings from Japan, Taiwan, and the United States

Strategic Insights

— 2 min read

Advances in diabetes research have been reported in three new studies from Japan, Taiwan, and the United States, providing insights into more effective treatments for type 1 diabetes mellitus and autonomic neuropathy. Researchers in Japan analyzed clinical data from 18,470 diabetic patients and found that intensive conventional insulin treatment (ICT) is the most promising therapy option for type 1 diabetic patients, while the use of rapid-acting insulin analogues has significantly increased. In Taiwan, a study found that hyperbaric oxygen therapy has a significant vagotonic effect, improving cardiac neural regulation in diabetic patients with foot complications. In the United States, research revealed that insulin therapy can reverse free radical damage and improve mitochondrial function in diabetic hearts.

Key Takeaways:

  • A study in Japan analyzed clinical data from 18,470 diabetic patients and found that intensive conventional insulin treatment (ICT) is the most promising therapy option for type 1 diabetic patients.
  • The use of rapid-acting insulin analogues has significantly increased, and basal-bolus therapy should be used to treat type 1 diabetic patients with postprandial serum CPR of less than 0.5 ng/mL.
  • In Taiwan, a study found that hyperbaric oxygen therapy has a significant vagotonic effect, improving cardiac neural regulation in diabetic patients with foot complications.
  • The study included 23 subjects exposed to hyperbaric oxygen therapy and 15 age-, sex-, and disease-matched subjects who were not exposed to hyperbaric therapy.
  • In the United States, research revealed that insulin therapy can reverse free radical damage and improve mitochondrial function in diabetic hearts.
  • The study found that 4-hydroxynonenal is endogenously produced within diabetic mitochondria and forms an adduct with selective mitochondrial proteins.
  • Insulin supplementation for 2 weeks decreased the level of protein modified by 4-hydroxynonenal and restored mitochondrial respiration and enzyme activity to control level.

Statistics:

  • 18,470 diabetic patients were registered with CoDiC in Japan.
  • 12,279 patients were being treated with insulin preparations and/or oral hypoglycemic agents in Japan.
  • 861 patients with type 1 diabetes mellitus and 11,418 patients with Type 2 diabetes were treated with insulin preparations in Japan.
  • 23 subjects were exposed to hyperbaric oxygen therapy in the study from Taiwan.
  • 15 age-, sex-, and disease-matched subjects were not exposed to hyperbaric therapy in the study from Taiwan.
  • The average HbA1c level fell drastically to 7.5% over the first 9 months of the study in Japan.

Sources:

  • Kanatsuka, A., et al. (2006). Actual usage and clinical effectiveness of insulin preparations in patients with type 1 diabetes mellitus in Japan: CoDiC-based analysis of clinical data obtained at multiple institutions (JDDM 3). Diabetes Research and Clinical Practice, 72(3), 277-283.
  • Sun, T.B., et al. (2006). Effect of hyperbaric oxygen on cardiac neural regulation in diabetic individuals with foot complications. Diabetic Medicine, 23(4), 360-366.
  • Lashin, O.M., et al. (2006). Decreased complex II respiration and HNE-modified SDH subunit in diabetic heart. Free Radical Biology and Medicine, 40(5), 886-896.

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