Ramipril

Ramipril, sold under the brand name Altace among others, is an ACE inhibitor type medication used to treat high blood pressure, heart failure, and diabetic kidney disease. It can also be used as a preventative medication in patients over 55 years old to reduce the risk of having a heart attack, stroke or cardiovascular death in patients shown to be at high risk, such as some diabetics and patients with vascular disease. It is a reasonable initial treatment for high blood pressure. It is taken by mouth.

Ramipril
Clinical data
Trade namesAltace, others
AHFS/Drugs.comMonograph
MedlinePlusa692027
License data
Routes of
administration
By mouth
ATC code
Legal status
Legal status
Pharmacokinetic data
Bioavailability28%
Protein binding73% (ramipril)
56% (ramiprilat)
MetabolismLiver, to ramiprilat
Elimination half-life13 to 17 hours
ExcretionKidney (60%) and fecal (40%)
Identifiers
  • (2S,3aS,6aS)-1-[(2S)-2-[[(2S)-1-Ethoxy-1-oxo-4-phenylbutan-2-yl]amino]propanoyl]-3,3a,4,5,6,6a-hexahydro-2H-cyclopenta[b]pyrrole-2-carboxylic acid
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.170.726
Chemical and physical data
FormulaC23H32N2O5
Molar mass416.518 g·mol−1
3D model (JSmol)
Melting point109 °C (228 °F)
  • O=C(OCC)[C@@H](N[C@H](C(=O)N1[C@H](C(=O)O)C[C@@H]2CCC[C@H]12)C)CCc3ccccc3
  • InChI=1S/C23H32N2O5/c1-3-30-23(29)18(13-12-16-8-5-4-6-9-16)24-15(2)21(26)25-19-11-7-10-17(19)14-20(25)22(27)28/h4-6,8-9,15,17-20,24H,3,7,10-14H2,1-2H3,(H,27,28)/t15-,17-,18-,19-,20-/m0/s1 Y
  • Key:HDACQVRGBOVJII-JBDAPHQKSA-N Y
  (verify)

Common side effects include headaches, dizziness, feeling tired, and cough. Serious side effects may include liver problems, angioedema, kidney problems, and high blood potassium. Use in pregnancy and breastfeeding is not recommended. It is an ACE inhibitor and works by decreasing renin-angiotensin-aldosterone system activity.

Ramipril was patented in 1981 and approved for medical use in 1989. It is available as a generic medication. In 2020, it was the 196th most commonly prescribed medication in the United States, with more than 2 million prescriptions.

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