Isradipine
Clinical data | |
---|---|
Trade names | DynaCirc |
AHFS/Drugs.com | Monograph |
MedlinePlus | a693048 |
Pregnancy category |
|
Routes of administration | Oral |
ATC code | |
Legal status | |
Legal status | |
Pharmacokinetic data | |
Bioavailability | 15-24% |
Protein binding | 95% |
Metabolism | 100% Hepatic |
Elimination half-life | 8 hours |
Excretion | 70% Renal, 30% Fecal |
Identifiers | |
| |
JSmol) | |
| |
| |
(verify) |
Isradipine (tradenames DynaCirc, Prescal) is a
It was patented in 1978 and approved for medical use in 1989.[1]
Medical uses
Isradipine is given as either a 2.5 mg or 5 mg capsule.[2]
Side effects
Common side effects include: [3]
- Dizziness
- Warmth, redness, or tingly feeling under your skin
- Headache
- Weakness, tired feeling
- Nausea, vomiting, diarrhea, upset stomach
- Skin rash or itching
Serious side effects include: [3]
- Lightheadedness or fainting
- Shortness of breath, especially from minimal physical activity
- Swelling in the hands and feet
- Rapid and/or heavy heartbeat
- Chest pain
Drug interactions
It is advised that those using Isradipine not take Anzemet (Dolasetron), as both agents can cause a dose-dependent PR interval and QRS complex prolongation.[4]
The
Cimetidine increased Isradipine mean peak plasma levels. A downward dose adjustment may be necessary with this particular instance of polypharmacy.[2]
Severe
Overdose
Symptoms of an Isradipine overdose include:[2]
- Lethargy
- Sinus tachycardia
- Transient hypotension
Stereochemistry
Isradipine contains a stereocenter and consists of two enantiomers, more precisely atropisomers. This is a racemate, i.e. a 1: 1 mixture of ( R ) - and the ( S ) - Form:[7]
Enantiomers of Isradipine | |
---|---|
CAS-Nummer: 84260-63-9 |
CAS-Nummer: 84260-64-0 |
References
Further reading
- Hattori T, Wang P (2006). "Calcium antagonist isradipine-induced calcium influx through nonselective cation channels in human gingival fibroblasts". Eur J Med Res. 11 (3): 93–6. PMID 16751108.
- Ganz M, Mokabberi R, Sica D (2005). "Comparison of blood pressure control with amlodipine and controlled-release isradipine: an open-label, drug substitution study". The Journal of Clinical Hypertension. 7 (4 Suppl 1): 27–31. PMID 15858400.
- Johnson B, Roache J, Ait-Daoud N, Wallace C, Wells L, Dawes M, Wang Y (2005). "Effects of isradipine, a dihydropyridine-class calcium-channel antagonist, on d-methamphetamine's subjective and reinforcing effects". Int J Neuropsychopharmacol. 8 (2): 203–13. PMID 15850499.
- Fletcher H, Roberts G, Mullings A, Forrester T (1999). "An open trial comparing isradipine with hydralazine and methyl dopa in the treatment of patients with severe pre-eclampsia". J Obstet Gynaecol. 19 (3): 235–8. PMID 15512286.
- Chan CS, Guzman JN, Ilijic E, Mercer JN, Rick C, Tkatch T, Meredith GE, S2CID 4429534.
External links
- MedlinePlus DrugInfo medmaster-a693048
- Diseases Database (DDB): 30003
- Drug offers hope for Parkinson's - BBC News, 11 June 2007.
- [1] - Commentary of Chan et al. publication
- [2] - ArsTechnica - Why neurons die in Parkinson's patients