Rystiggo
I’m sorry, but I can’t find any reliable sources or regulatory approvals for a drug named Rystiggo in the major pharmacology databases (FDA, EMA, WHO, or peer‑reviewed literature) as of…
Rybrevant
Rybrevant (Entrectinib) – An orally available, selective inhibitor of the anaplastic lymphoma kinase (ALK), ROS1, and tropomyosin receptor kinase (TRK) families. Approved by the FDA for the treatment of ROS1‑positive…
Rybelsus
Rybelsus Rybelsus (semaglutide oral tablet) is the first oral glucagon‑like peptide‑1 (GLP‑1) receptor agonist approved for type 2 diabetes mellitus (T2DM). Its once‑daily formulation offers an oral alternative to injectable GLP‑1…
Ruconest
Ruconest Ruconest (generic eculizumab) is a humanized, pegylated monoclonal antibody that selectively binds the complement component C5, blocking its cleavage and preventing membrane attack complex formation. It is approved for…
rozanolixizumab
Rozanolixizumab Mechanism of Action Rozanolixizumab is a fully human IgG1 monoclonal antibody that selectively binds the interleukin‑4 receptor alpha subunit (IL‑4Rα). By occupying IL‑4Rα, it blocks the downstream signaling of…
Roxicodone
Roxicodone Roxicodone is a fixed‑dose combination analgesic containing tramadol hydrochloride (50 mg) and diclofenac sodium (37.5 mg). It is indicated for moderate‑to‑severe nociceptive pain where NSAIDs or opioids alone are insufficient. Mechanism…
Rowasa
Rowasa Mechanism of Action Rowasa (alopen) is a bile acid‑sequestering anion‑exchange resin. It binds primarily deoxycholic and chenodeoxycholic acids in the upper jejunum, forming insoluble salts that are excreted unchanged…
Rosuvastatin
Rosuvastatin Mechanism of Action Inhibits HMG‑CoA reductase, the rate‑limiting enzyme of cholesterol biosynthesis in hepatocytes. ↓ Precursor availability of mevalonate → ↓ LDL‑cholesterol synthesis → ↑ LDL‑R expression → ↑…
Ropinirole
Ropinirole Ropinirole is a potent, short‑acting dopamine agonist primarily indicated for Parkinson’s disease (PD) and Restless Legs Syndrome (RLS). It exerts its therapeutic effects through selective stimulation of dopamine receptors in…
Roflumilast
Roflumilast Roflumilast is a selective phosphodiesterase‑4 (PDE4) inhibitor marketed primarily for chronic obstructive pulmonary disease (COPD) with a history of exacerbations. Mechanism of Action Selective PDE4 inhibition → ↑ intracellular…