• Title/Summary/Keyword: cimetidine

Search Result 102, Processing Time 0.018 seconds

Comparision of Proximal and Distal Large Intestinal Motility in Rabbit (가토의 근위와 원위대장 평활근의 운동성 비교)

  • Kim, Joo-heon;Chang, Ki-churl;Yun, Hyo-in
    • Korean Journal of Veterinary Research
    • /
    • v.27 no.1
    • /
    • pp.19-25
    • /
    • 1987
  • To validate the comparision of proximal and distal large intestinal motility, the amplitude and frequency of spontaneous motility, the effect of acetylcholine, the effect of atropine on the response of acetylcholine, the effect of histamine and the effect of pyrilamine and cimetidine on the response of histamine were investigated in rabbit. The results were summarized as follows: 1. The amplitude of spontaneous motility was more powerful on the proximal large intestine than that of the distal large intestine, but the frequency of spontaneous motility was similar on the both proximal and distal large intestine in rabbit. 2. Acetylcholine caused the contraction of proximal and distal large intestine, and the contractile response were increased between the concentration of acetylcholne $10^{-9}$ and $5{\times}10^{-6}M$ and $10^{-7}$ and $10^{-4}M$ on the proximal and distal large intestine, respectively, with dose-dependent manner in rabbit. 3. The contractile response induced by acetylcholine was completely blocked by the post-treatment with cholinergic receptor blocker, atropine $10^{-6}M$. 4. Histamine caused the contraction of proximal and distal large intestine and the contractile response were increased between the concentration of histamine $10^{-9}$ and $5{\times}10^{-5}M$ and $10^{-5}$ and $10^{-3}M$ on the proximal and distal large intestine, respectively, with dose-depend ent manner in rabbit. 5. The contractile response induced by histamine was completely blocked by the pretreatment with $H_1$-receptor blocker, pyrilamine $10^{-6}M$, but not blocked by the pretreatment with $H_2$-receptor blocker, cimetidine $10^{-6}M$.

  • PDF

A Case of PFAPA Syndrome Mimicking Cyclic Vomiting Syndrome (주기성 구토증으로 추적 관찰 중 진단된 PFAPA 증후군 1예)

  • Hong, Seok Pyo;Shin, Hyun Jung;Kim, Yeo Hyang;Choe, Byung Kyu;Choi, Won Jung;Kim, Ae Suk;Hwang, Jin-Bok
    • Pediatric Gastroenterology, Hepatology & Nutrition
    • /
    • v.9 no.1
    • /
    • pp.85-91
    • /
    • 2006
  • PFAPA syndrome is characterized by periodic fevers associated with aphthous stomatitis, pharyngitis, and cervical adenitis and is unusual in infants and children. We report on a case of PFAPA syndrome mimicking cyclic vomiting syndrome in a 42-month-old girl. She had experienced multiple episodes of cyclic vomiting with abdominal pain from age 20 to 30 months. When she was 30 months old, periodic fever with pharyngitis was combined with cyclic vomiting, and when 40 months old, aphthous stomatitis and cervical adenitis were added. These periodic symptoms and signs were not treated with prokinetics or antibiotics. Symptom duration of an episode was 3 days. After cimetidine therapy (150 mg three times daily for 6 months), her febrile and cyclic vomiting episodes ceased. At the time of writing she had not received therapy for 10 months and has remained well without periodic attack.

  • PDF

Assessment of antinociceptive property of Cynara scolymus L. and possible mechanism of action in the formalin and writhing models of nociception in mice

  • Pegah Yaghooti;Samad Alimoahmmadi
    • The Korean Journal of Pain
    • /
    • v.37 no.3
    • /
    • pp.218-232
    • /
    • 2024
  • Background: Cynara scolymus has bioactive constituents and has been used for therapeutic actions. The present study was undertaken to investigate the mechanisms underlying pain-relieving effects of the hydroethanolic extract of C. scolymus (HECS). Methods: The antinociceptive activity of HECS was assessed through formalin and acetic acid-induced writhing tests at doses of 50, 100 and 200 mg/kg intraperitoneally. Additionally, naloxone (non-selective opioid receptors antagonist, 2 mg/kg), atropine (non-selective muscarinic receptors antagonist, 1 mg/kg), chlorpheniramine (histamine H1-receptor antagonist, 20 mg/kg), cimetidine (histamine H2-receptor antagonist, 12.5 mg/kg), flumazenil (GABAA/BDZ receptor antagonist, 5 mg/kg) and cyproheptadine (serotonin receptor antagonist, 4 mg/kg) were used to determine the systems implicated in HECS-induced analgesia. Impact of HECS on locomotor activity was executed by open-field test. Determination of total phenolic content (TPC) and total flavonoid content (TFC) was done. Evaluation of antioxidant activity was conducted employing 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging assay. Results: HECS (50, 100 and 200 mg/kg) significantly indicated dose dependent antinociceptive activity against pain-related behavior induced by formalin and acetic acid (P < 0.001). Pretreatment with naloxone, atropine and flumazenil significantly reversed HECS-induced analgesia. Antinociceptive effect of HECS remained unaffected by chlorpheniramine, cimetidine and cyproheptadine. Locomotor activity was not affected by HECS. TPC and TFC of HECS were 59.49 ± 5.57 mgGAE/g dry extract and 93.39 ± 17.16 mgRE/g dry extract, respectively. DPPH free radical scavenging activity (IC50) of HECS was 161.32 ± 0.03 ㎍/mL. Conclusions: HECS possesses antinociceptive activity which is mediated via opioidergic, cholinergic and GABAergic pathways.

우리나라 물환경의 일부 의약품과 항생제의 생태위해성평가

  • Kim, Yeong-Hui;Park, Su-Jeong;Jeong, Jin-Yong;Park, Jeong-Im;Kim, Pan-Gi;Choe, Gyeong-Ho
    • Proceedings of the Korean Environmental Health Society Conference
    • /
    • 2005.11a
    • /
    • pp.169-174
    • /
    • 2005
  • 의약품은 일반적으로 치료를 목적으로 제조되었기 때문에 독특한 약리학적 작용을 띤다. 의약품잔류물이 환경 중으로 배출되어 비표적 생물(non-target organism)에 노출될 경우 의도하지 않은 독성영향이 나타날 가능성이 있다. 본 연구에서는 우리나라에서 널리 사용되는 10개의 의약품(4종의 일반 의약품 acetaminophen, carbamazepine, diltiazem, cimetidine과 6종의 설파계 항생제 sulfamethoxazole, sulfamethazine, trimethoprim, sulfachloropyridazine, sulfadimethoxine)을 대상으로 환경중 예상잔류농도와 생태 무영향농도를 예측하여 대상의약품의 생태위해성을 평가하였다. 연구대상 의약품의 예측환경농도는 0.14 ${\sim}$ 16.5 ppb이었으며, 예측환경농도와 예측무영향농도비(PEC/PNEC ratio)를 산출한 결과 acetaminophen과 suifamethoxazole이 각각 1.8과 6.3으로 나타나 이 의약품들이 물생태계에 미치는 위해성에 대한 정밀한 추가연구의 필요성이 제시되었다.

  • PDF

Control of Parturition Time on Pig III. Effect of Histamine on Uterine smooth muscle motility (돼지 분만 시기에 조절에 관하여 III. 자궁 평활근의 운동성에 대한 Histamine의 영향)

  • 박상은;황보원;변유성;조광제
    • Korean Journal of Veterinary Service
    • /
    • v.18 no.2
    • /
    • pp.177-181
    • /
    • 1995
  • The effects of histamine were investigated on the uterine smooth muscle motility in the pig. The results were summarized as fellows : 1. Histamine caused the contraction of the porcine uterine smooth muscle and the contractile responses increased between the concetration of histamine $10^{-8}$ and $10^{-5}$ M with a dose-dependent manner. 2. The contractile response Induced by histamine ($10^{-6}$ M) was completely blocked by pretrevatment with $H_1$-histaminergic receptor blocker, pyrilamine($10^{-6}$ M) 3. The contractile response induced by histamine($10^{-6}$ M) was increased by pretreatment with $H_2$-histaminergic receptor blocker, cimetidine($10^{-6}$ M) From these results, it was concluded that the effects of uterine smooth muscle by histamine were the contraction mediated by $H_1$-histaminergic receptor and the relaxation mediated by $H_2$-histaminergic receptor in pig.

  • PDF

Effect of Mineral Silicates on Preparation of Spray Dried Agglomerates with CMEC (분무건조법으로 제조한 Carboxy Methyl Ethyl Cellulose 피복입자에 대한 Mineral Silicates의 영향)

  • Min, Shin-Hong;Yang, Joong-Ik;Kwon, Jong-Won;Yu, Bong-Gyu
    • Journal of Pharmaceutical Investigation
    • /
    • v.14 no.4
    • /
    • pp.170-177
    • /
    • 1984
  • For the purpose of improving the fluidity of enteric-coated powders, various mineral silicates were added during spray drying process. Aqueous slurries of cimetidine, mineral silicates containing CMEC (carboxy methyl ethyl cellulose) were spray dried using a centrifugal wheel atomizer. The finely agglomerated powders obtained by this process were flowing as opposed to the original powders. The effect of four mineral silicates (colloidal silica, talc, bentonite, and kaolin) on the micromeritic properties and dissolution profiles of spray dried agglomerates were examined.

  • PDF

Pharmacological Studies on Root Bark Extract of Aralia elata - Antigastritic and Antiulcerative Effects in Rats - (두릅나무 근피 추출물의 약물학적 연구 -흰쥐의 위염 및 웨궤양에 대한 효과-)

  • 이은방;정춘식
    • YAKHAK HOEJI
    • /
    • v.37 no.6
    • /
    • pp.581-590
    • /
    • 1993
  • In a preliminary screening of the plant extracts for the antigastritic action in rats, the extract of Aralia elata(Araliaceae) showed positive activity in HCI plus ethanol induced gastric lesion. Systematic fractions with hexane, chloroform, ethyl acetate and butanol resulted in the most patent activity with the butanol fraction: This butanol fraction at the oral dose of 200 mg/kg exhibited significant inhibition of absolute alcohol induced gastric lesion which was more potent than 100 mg/kg of cimetidine and had significant stimulation of mucus secretion. The butanol fraction showed significant decreases in the ulcer indices of Shay ulcers and inhibition of gastric juice secretion with acid output in pylorus-ligated stomachs of rats. It also suppressed the acetic acid induced gastric ulcer. These results might suggest that the butanol fraction had inhibitory action in gastric lesion and ulceration through inhibition of gastric acid secretion and stimulation of mucin secretion in the stomachs of rats.

  • PDF

A Study on Chronic Outpatients' Prescriptions and Drug Interactions Based on Prescriptions in Army Hospital (군병원 만성질환자의 처방전분석 및 약물상호 작용 검토)

  • 조유미;손의동
    • YAKHAK HOEJI
    • /
    • v.47 no.6
    • /
    • pp.382-389
    • /
    • 2003
  • This study has collected prescriptions of individual chronic outpatients in an army hospital, analysed them, and investigated the possible drug interactions. It also reviewed the mechanism of drug interactions. Out of total of 42 outpatients with chronic diseases, the percentages of populations having hypertension, hypertension with diabetes, uncomplicated diabetes, hyperlipidemia, hypertension with cardiac insufficiency, and ventricular septal defect were 62%, 19%, 10%, 5%, 2%, and 2%, in the corresponding order. The average number medications prescribed for the outpatients were 2.5 with the highest frequency of five medications in two patients. The number of drug-drug interactions detected was 456 prescriptions out of total of 1104 prescriptions during the study period, accounting for 41.3%. The most frequent drug-drug interaction was between beta-blockers and calcium channel blockers with 132 prescriptions followed by one between beta-blockers and cimetidine with 89 prescriptions. Based on the high incidence of possibly dangerous drug interactions, much attention needs to be aid to the drug-drug interactions in the pharmacotherapy for the treatment of outpatients with chronic diseases in army hospital setting.

Mechanisms of Multiple Peak Phenomenon in the Plasma Profile of Drugs Following Oral Administration (경구투여된 약물의 혈장중 농도곡선에 나타나는 다중피크 현상의 해석)

  • Shim, Chang-Koo;Lee, Hye-Weon
    • Journal of Pharmaceutical Investigation
    • /
    • v.21 no.4
    • /
    • pp.201-213
    • /
    • 1991
  • There are many drugs reproted to show unusual pharmacokinetic behavior by producing a significant secondary peak in the plasma concentration-time curve after oral administration. The drugs are ranitidine, cimetidine, acetaminophen, aspirin, furosemide, bumetanide, piretanide, veralipride, sobrerol, penicillamine and doxycycline etc. Enterohepatic circulation-, two absorption site-, biphasic gastric emptying-, tissue deposition- and multi-fraction absorption theories have been suggested for the mechanisms of this phenomenon. Here, the theories were reviewed and critisized for their validity as a possible mechanism of the multiple peak phenomenon.

  • PDF

A case Report on Acute Pancreatitis in an English Bulldog (잉글리쉬 불독에서 발생한 급성췌장염의 치료 1례)

  • Shin Nam-Sik;Park Hyun-Jong;Choi Youn-Ju
    • Journal of Veterinary Clinics
    • /
    • v.10 no.1
    • /
    • pp.137-140
    • /
    • 1993
  • An English bulldog, three years old, hospitalzed as vomitting, severe abdominal pain and intermittent body tremor. In blood examination, WBC, amylase, alkaline phosphatase value showed higher than normal value, so we diagnosed as acute pancreatitis. The bulldog was treated with fluid therapy as Ringer's solution, saline and 5% dextrose, and antibiotics as mixed penicillin with streptomycin, and cephazolin. To prevent shock, dexamethasone was medicated in early time. Also the bulldog was medicated as banamine, vitamine K, atropine and cimetidine. When the English bulldog showed improvement we gave him hill's i/d continuously. Through these procedure, the English bulldog recovered completely.

  • PDF