What question did this study set out to answer?

The aim is to explore the potential of PDE9 inhibitors in treating various diseases, including cardiovascular and neurodegenerative disorders.

April 10, 2026

Phosphodiesterase 9 (PDE9) Inhibitors May Provide Effective Treatments for Neurodegenerative, Cardiovascular and Other Diseases

Puntos clave

The aim is to explore the potential of PDE9 inhibitors in treating various diseases, including cardiovascular and neurodegenerative disorders.
Development of 4-oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine-3-carbonitrile derivatives
Evaluation of therapeutic applications in cardiovascular and cerebrovascular diseases
Assessment of efficacy in neurological and psychiatric disorders
PDE9 inhibitors show promise for treating hypertension and heart failure
Potential therapeutic effects observed in conditions like schizophrenia and Huntington’s disease
Indications of benefits for disorders linked to basal ganglia dysfunction

Resumen

The invention in this patent application relates to 4-oxo-4,5-dihydro-1H-pyrazolo3,4-dpyrimidine-3-carbonitrile derivatives represented herein by formula 1. These compounds are PDE9 inhibitors and may be useful as therapeutic agents for the treatment of cardiovascular and cerebrovascular diseases, such as hypertension, chronic kidney disease and heart failure, and neurological and psychiatric disorders, such as schizophrenia, psychosis or Huntington’s disease, and those associated with striatal hypofunction or basal ganglia dysfunction.

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AHMED F. ABDEL-MAGID

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ACS Medicinal Chemistry Letters

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Phosphodiesterase 9 (PDE9) Inhibitors May Provide Effective Treatments for Neurodegenerative, Cardiovascular and Other Diseases

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Journals

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