Eperisone hydrochloride

Eperisone Hydrochloride ((±)-Eperisone hydrochloride) is an antispastic agent used for treatment of diseases characterized by muscle stiffness and pain. It works by relaxing both skeletal muscles and vascularsmooth muscles, thus demonstrating avariety of effects such as reduction ofmyotonia, improvement of circulationand suppression of the pain reflex. Eperisone Hydrochloride ((±)-Eperisone hydrochloride) is a centrally acting muscle relaxant inhibiting the pain reflex pathway, having a vasodilator effect[1][2 [3].

Signaling Pathways >> Others >> Others

Research Areas >> Neurological Disease

[1]. Cabitza P, et al. Efficacy and safety of eperisone in patients with low back pain: a double blind randomized study. Eur Rev Med Pharmacol Sci. 2008 Jul-Aug;12(4):229-35.

[2]. Frandisco Colomer Rusinvol, et al. Effects of Two Diffferent Doses of Eperisone in the Treatment of Acute Low Back Pain. The Journal of Applied Research.

[3]. Bavage S, et al. Clinical efficacy and safety of eperisone for low back pain: A systematic literature review. Pharmacol Rep. 2016 Oct;68(5):903-12.

MOLECULAR FORMULA :

C17-H25-N-O.Cl-H

MOLECULAR WEIGHT :

295.89

WISWESSER LINE NOTATION :

T6NTJ A1Y1&VR D2 &GH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

1002 mg/kg

TOXIC EFFECTS :

Sense Organs and Special Senses (Eye) - lacrimation Autonomic Nervous System - smooth muscle relaxant (mechanism undefined, spasmolytic) Behavioral - convulsions or effect on seizure threshold

REFERENCE :

YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 19,1743,1991

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

490 mg/kg

TOXIC EFFECTS :

Behavioral - excitement Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :

OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 21,939,1981

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

51 mg/kg

TOXIC EFFECTS :

Behavioral - excitement Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :

OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 21,939,1981

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intramuscular

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

400 mg/kg

TOXIC EFFECTS :

Behavioral - excitement Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :

OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 21,939,1981

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

324 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 107,705,1987

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

256 mg/kg

TOXIC EFFECTS :

Behavioral - excitement Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :

OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 21,939,1981

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

43 mg/kg

TOXIC EFFECTS :

Behavioral - excitement Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :

OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 21,939,1981

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intramuscular

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

280 mg/kg

TOXIC EFFECTS :

Behavioral - excitement Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :

OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 21,939,1981

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

>750 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: -,204,1990 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

18200 mg/kg/13W-C

TOXIC EFFECTS :

Liver - changes in liver weight Kidney, Ureter, Bladder - other changes in urine composition Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)

REFERENCE :

OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 21,939,1981

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

22313 mg/kg/1Y-I

TOXIC EFFECTS :

Blood - normocytic anemia Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases Related to Chronic Data - death

REFERENCE :

KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,7156,1982