Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0000729 (abdominal cramps)
 531 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Fifteen patients (20 to 66 years) with long-standing chronic diarrhea of varying etiology were selected for an open trial of loperamide 2 mg capsules. The optimal daily dose for substantial reduction of the diarrhea ranged from two to seven capsules. Eleven patients showed a significant improvement in stool consistency and stool frequency, and a decrease of abdominal cramps. Loperamide appeared to be ineffective in two patients with cholerrheic diarrhea, and in one patient with laxative-induced diarrhea, and in one patient with diarrhea of unknown etiology. The eleven successfully treated patients then entered a double-blind placebo-controlled trial for ten days or until relapse, the daily dose being identical to the optimal one previously determined in the open phase. The investigator was able to guess the code correctly in ten out of eleven cases. Twenty ileostomy patients (ages 25 to 73 years) volunteered for the evaluation of the inhibitory activity on small intestinal peristalsis by loperamide in a double-blind placebo-controlled cross-over study. Mean daily ileostomy output decreased by 22% in the loperamide period, as compared with the drug-free study phase (P less than 0.001). Of the 20 patients, 16 were able to guess their code correctly, whereas four were uncertain, although their fecal weights were lower with loperamide. Many patients noticed an increased urinary production and experienced an improvement in their ileostomy care during loperamide treatment. Because of its effectiveness, its low side-effect liability and its lack of toxicity, loperamide is considered a promising drug in the symptomatic treatment of chronic diarrhea, and as a reliable agent in the treatment of ileostomy patients.
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PMID:Loperamide in chronic diarrhea and after ileostomy: a placebo-controlled double-blind cross-over study. 77 63

Fifteen patients (20-66 years) with persistent diarrhoea of varying aetiology were selected for an open trial of loperamide 2 mg capsules. The optimal daily dose for substantial reduction of the diarrhoea ranged from two to seven capsules. Eleven patients showed a significant improvement in stool consistency, a highly significant decrease in stool frequency and a decrease of abdominal cramps. One ileostomy patient with abundant ileostomy output and intermittent leaking of the ileosotmy appliance at night experienced a substantial reduction of the stoma output with virtual disappearance of soiling accidents as night. Loperamide appeared to be ineffective in two patients with cholerrhoeic diarrhoea; in one patient with laxative-induced diarrhoea and in one patient with probable nervous diarrhoea. The eleven successfully treated patients then entered a doubleblind placebo-controlled trial for ten days or util relaps, the daily dose being indentical to the optimal one previously determined in the open phase of the study. The investigator was able to guess the code correctly in ten out of eleven cases. The drug was well tolerated. Because of its considerable efficacy and low side-effect liability, loperamide has to be considered a promising drug in the treatment of chronic diarrhoea.
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PMID:Loperamide in the symptomatic control of chronic diarrhoea. Double-blind placebo-controlled study. 110 54

CPT-11 (irinotecan) is a promising anticancer agent with a novel mechanism of action dependent on the inhibition of the DNA eukaryotic enzyme, topoisomerase I. The clinical utility of CPT-11 in advanced colorectal cancer has been documented in more than 400 patients recruited in phase II clinical trials in Europe, Japan, and United States. Among 178 eligible patients in a multicenter European study, the overall response rate to CPT-11 on a once-every-3-weeks regimen was 18%, and the median duration of response was 9.1 months. Thirty-two percent of the patients had no evidence of disease progression at 6 months. These results were similar in chemotherapy-naive and pretreated patients. These findings are consistent with the results of other studies conducted in Japan and the United States in which a weekly CPT-11 regimen was associated with response rates of 15% to 32% in chemotherapy-naive or pretreated patients. The principal adverse events of CPT-11 are neutropenia and delayed diarrhea, which in the European studies developed as grade 3 or 4 toxicity in 21% and 12% of the cycles (47% and 38% of patients), respectively. Neutropenia did not appear to be cumulative, with total recovery by day 22 in most cases. Loperamide was considered the most effective agent for controlling delayed diarrhea. Other adverse events included an early cholinergic-like syndrome (consisting of diaphoresis, early diarrhea, and abdominal cramps), nausea and vomiting, fatigue, and alopecia. In conclusion, CPT-11 has shown promising antitumor activity in the treatment of patients with advanced colorectal cancer, including those refractory to 5-fluorouracil (5-FU)-based regimens, suggesting no cross-resistance to 5-FU. CPT-11 appears to have activity similar to that of 5-FU in first-line treatment and, moreover, remains active after failure of 5-FU therapy. The specific gastrointestinal toxicity is manageable, and a better control of this type of toxicity is expected in the future. CPT-11 would therefore appear a welcome addition to the oncology armamentarium for this difficult-to-treat malignancy.
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PMID:CPT-11 in the treatment of colorectal cancer: clinical efficacy and safety profile. 863 52

Infectious diarrhea is a very common, usually self-limited disease. Among travellers to developing countries, diarrhea is by far the most common medical problem. The intake of sufficient glucose-electrolyte solutions is the most important step to prevent dehydration. Loperamide may be prescribed as a valuable antimotility agent: however, this drug should not be used in patients with high fevers, bloody diarrhea and severe abdominal cramps. Stool cultures are recommended in cases without improvement, when clostridium difficile is suspected and when multiple cases occur. Antibiotics are indicated for treatment of certain microorganisms, for patients with immunosuppression and in dysenteric syndromes. They are not recommended for prophylaxis on a routine basis.
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PMID:[Infectious diarrhea]. 896 15

Loperamide is an antidiarrheal agent available as an inexpensive over-the-counter (OTC) medication. In general, it is considered to be safe, but lately, loperamide drug abuse has been reported due to its opioid properties. When used in high doses, several harmful effects including cardiotoxicity, central nervous system (CNS) and respiratory depression have been reported. This prompted the FDA to release a warning in 2016 regarding the arrhythmogenic potential of loperamide. We present a case of a 32-year-old male with a history of polysubstance abuse who presented to the emergency department (ED) requesting "detoxification" from loperamide. The patient complained of opiate withdrawal symptoms including chills, nausea, vomiting, constipation, and abdominal cramps thought to be secondary to the abuse of loperamide. He was found to have right bundle branch block (RBBB) and bradycardia with a heart rate (HR) of 51 beats per min (bpm). He also reported an unexplained syncopal episode, one day prior to visiting the ED. In the current case report, we discuss loperamide abuse, its harmful effects, and management.
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PMID:Bradycardia and Syncope in a Patient Presenting With Loperamide Abuse. 3001 63