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Molidustat, a promising drug to minimize HF risk following heart attack in diabetics

MD Editorial TeamBy MD Editorial TeamPublished On 2021-10-24T18:03:12+05:30  |  Updated On 24 Oct 2021 12:33 PM GMT
Molidustat, a promising drug to minimize HF risk following heart attack in diabetics

A drug molidustat has been identified by researchers at University of Oxford, that may help improve heart function in diabetics who have heart attacks .It has been found in clinical trials that the drug may be potential treatment for a form of anaemia and could help reduce risk of developing heart failure in diabetes patients.In earlier research it has found that people with diabetes have...

A drug molidustat has been identified by researchers at University of Oxford, that may help improve heart function in diabetics who have heart attacks .

It has been found in clinical trials that the drug may be potential treatment for a form of anaemia and could help reduce risk of developing heart failure in diabetes patients.

In earlier research it has found that people with diabetes have lower levels of HIF in their heart cells. Oral Molidustat works by increasing levels of a protein called Hypoxia-Inducible Factor 1 (HIF).Molidustat is currently in phase III clinical trials for treating anaemia in chronic kidney disease.

This study was conducted by Maria da Luz Sousa Fialho and team and the findings were published in journal of American Diabetes Association on 15th September, 2021.

The pharmaceutical stabilization of Hypoxia-Inducible Factor (HIF)1 can overcome the decreased hypoxic response caused by insulin resistance. T2D affects the activation of Hypoxia-Inducible Factor (HIF)1a, master transcription factor that promotes cellular adaptation to hypoxia. HIF1 activation is reduced in T2D, which contributes to the poor post-ischemic remodeling found after myocardial infarction.

Molidustat, an orally administered drug, is now in phase III clinical studies for the treatment of anemia in chronic renal disease. It acts by raising the concentration of a protein known as Hypoxia-Inducible Factor 1. (HIF). When oxygen levels drop, HIF levels rise, enabling it to activate its 'target' genes, which aid in cell adaptation and survival. Previous study, however, has discovered that patients with diabetes had decreased amounts of HIF in their heart cells.

Oral molidustat therapy restored the heart metabolic dysfunction induced by T2D in T2D rats, increasing glucose metabolism and mitochondrial activity while inhibiting fatty acid oxidation and lipid accumulation. This had a positive effect on post-ischemic cardiac performance, with molidustat therapy reversing the decreased contractile recovery in T2D hearts. Molidustat stabilized HIF1 and downstream HIF target genes in human cardiomyocytes, increasing anaerobic glucose metabolism. Insulin resistance inhibited HIF1 activation and downstream signaling in hypoxia, whereas molidustat restored this.

HIF is also involved in post-heart-attack repair processes, such as the formation of new blood vessels, a process known as angiogenesis. New blood arteries form to bypass the dead tissue and guarantee a healthy blood supply to the heart's surrounding regions that have survived. Diabetic hearts have decreased angiogenesis, which is thought to be a crucial stage in the development of heart failure. Molidustat treatment of rats with type 2 diabetes resulted in higher levels of the signals involved in the formation of new blood vessels, according to the researchers.

The researchers concluded by pointing out that the encouraging findings imply that medicines that stabilize HIF might become a novel therapy to minimize the risk of heart failure following a heart attack in diabetics. More study is now required to translate these preliminary findings into therapeutic benefit.

Reference:

da Luz Sousa Fialho, M., Purnama, U., Dennis, K. M., Montes Aparicio, C. N., Castro-Guarda, M., Massourides, E., Tyler, D. J., Carr, C. A., & Heather, L. C. (2021). Activation of HIF1α Rescues the Hypoxic Response and Reverses Metabolic Dysfunction in the Diabetic Heart. In Diabetes (p. db210398). American Diabetes Association. https://doi.org/10.2337/db21-0398

American Diabetes Association diabetes Molidustat heart attack 
Source : American Diabetes Association
MD Editorial Team
MD Editorial Team

    Medical Dialogues consists of a team of passionate medical/scientific writers, led by doctors and healthcare researchers. Our team efforts to bring you updated and timely news about the important happenings of the medical and healthcare sector. Our editorial team can be reached at editorial@medicaldialogues.in.

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