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[The almitrine dimesylate molecule. Various structure-activity relationship aspects].
Presse Medicale (Paris, France : 1983)
|October 4, 1984
Summary
Almitrine bismesylate enhances blood oxygen levels by improving ventilation-perfusion matching in the lungs. This drug optimizes gas exchange through specific molecular components affecting ventilation and pulmonary circulation.
Area of Science:
- Pharmacology
- Respiratory Physiology
Context:
- Almitrine bismesylate is a drug known to improve arterial oxygen partial pressure (PaO2).
- Its mechanism involves enhancing the ventilation-perfusion ratio (VA/Q) in the lungs.
Purpose:
- To elucidate the structure-activity relationships of trisubstituted triazines.
- To identify the specific molecular components of almitrine bismesylate responsible for its physiological effects.
Summary:
- Almitrine bismesylate improves PaO2 by optimizing VA/Q matching, involving changes in both alveolar ventilation and pulmonary circulation.
- The di-allylamino-triazine group influences blood gases and ventilation, while the piperazine ring affects kinetics and dissociation of effects.
- The bis-parafluoro-benzhydryl fraction modulates the intensity and duration of action.
Impact:
- Determined structure-activity relationships for trisubstituted triazines, leading to the selection of almitrine bismesylate.
- Identified key molecular moieties responsible for the drug's potent, rapid, and sustained PaO2 increase.
- Provides insights into drug design for respiratory stimulants targeting VA/Q matching.