Guanylate Cyclase Stimulators
| Drug | Target | Type |
|---|---|---|
| Riociguat | Alpha-1-acid glycoprotein 1 | carrier |
| Riociguat | Guanylate cyclase soluble subunit alpha-2 | target |
| Riociguat | ATP-binding cassette sub-family G member 2 | transporter |
| Riociguat | Cytochrome P450 1A1 | enzyme |
What is soluble guanylate cyclase stimulator?
Soluble Guanylate Cyclase (sGC) Stimulators Soluble guanylate cyclase (sGC) is an enzyme in the cardiopulmonary system and the receptor for nitric oxide. PAH is associated with endothelial dysfunction, impaired synthesis of nitric oxide, and insufficient stimulation of the nitric oxide-sGC-cGMP pathway.
Which medication is a soluble guanylate cyclase sGC stimulator that increases cGMP which causes vasodilation?
Riociguat is a soluble guanylate cyclase stimulator that also acts via the nitric oxide pathway to stimulate guanylate cyclase and increase cGMP production.
Which medication enhances the cyclic guanosine monophosphate pathway and sensitizes soluble guanylate cyclase to endogenous nitric oxide?
Riociguat (Adempas) Riociguat elicits a dual mode of action. It sensitizes sGC to endogenous nitric oxide by stabilizing the nitric oxide-sGC binding, and it directly stimulates sGC via a different binding site, independently of nitric oxide. It is indicated for chronic thromboembolic pulmonary hypertension and PAH.
What are GC stimulators?
SGCSs are a type of targeted therapy used to treat people with PH. They are also the first targeted therapy to be shown to be effective in Chronic Thromboembolic Pulmonary Hypertension (CTEPH). Targeted therapies slow the progression of PH/CTEPH. The dose is the same for both conditions.
How do sGC stimulators work?
On binding of NO to its prosthetic haem group, sGC catalyses the synthesis of the second messenger cyclic guanosine monophosphate (cGMP), which promotes vasodilation and inhibits smooth muscle proliferation, leukocyte recruitment, platelet aggregation and vascular remodelling through a number of downstream mechanisms.
How do soluble guanylate cyclase stimulators work?
What is sGC medicine?
What is sGC stimulator?
The sGC stimulators are novel pharmacological agents that directly stimulate sGC, both independently of NO and in synergy with NO. Optimisation of the first sGC stimulator, YC-1, led to the development of the more potent and more specific sGC stimulators, BAY 41-2272, BAY 41-8543 and riociguat (BAY 63-2521).
Is amlodipine for pulmonary hypertension?
CONCLUSION: These results show that oral amlodipine can produce acute pulmonary vasodilatation in patients with pulmonary hypertension. Further studies are required, but amlodipine may prove to be of value in the treatment of primary pulmonary hypertension.
Does amlodipine help pulmonary hypertension?
These drugs help relax the muscles in the walls of your blood vessels. They include amlodipine (Norvasc), diltiazem (Cardizem, Tiazac, others) and nifedipine (Procardia). Although calcium channel blockers can be effective, only a small number of people with pulmonary hypertension improve while taking them.
What drugs are prostanoids?
There are three types of prostanoids currently used to treat PH:
- epoprostenol (Flolan)
- Nebulised iloprost (Ventavis)
- treprostinil (Remodulin)
