Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0018681 (headache)
 56,091 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

51 hypertensive outpatients, whose diastolic blood pressure exceeded 100 mmHg after a 2-week period on atenolol alone (100 mg once daily) participated in this long-term study. They received, in addition to atenolol, the vasodilator cadralazine (ISF 2469; 10 to 30 mg once daily) for a standard period of 24 weeks, according to an open design. Cadralazine caused a progressive and important decrease in both systolic and diastolic blood pressure, from 173/111 mmHg (end of atenolol alone) to 154/99 mmHg (12th week, p less than 0.01/p less than 0.01; mean dose, 24.5 mg/day). At this time a diuretic was added as a third-step drug in 15/51 initial patients (29%), and final blood pressure in all patients was 150/96 mmHg (p less than 0.01/p less than 0.01), with positive results in 88% of the cases. During cadralazine treatment, heart rate was always significantly lower than before atenolol alone; the most common side effects, many of which were already present during treatment with atenolol alone, included headache, asthenia, dizziness, palpitation and flushing, and tended to disappear spontaneously as therapy progressed. Routine laboratory tests did not show important changes; sodium excretion was not reduced. In conclusion, the therapeutic efficacy of cadralazine, its low or absent salt and water retention effects, its good tolerability, and the high compliance obtained with once daily administration allowed the use of this vasodilator as a second-step drug for long-term treatment of hypertension.
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PMID:Cadralazine, a new vasodilator, in addition to a beta-blocker for long-term treatment of hypertension. 285 65

Multiclinic controlled studies have shown that enalapril alone 10 to 40 mg/day orally is effective in lowering blood pressure in patients with essential hypertension. Enalapril has been compared with thiazides and beta-blockers (propranolol, metoprolol and atenolol). The effect on systolic blood pressure has been greater with enalapril than with beta-blockers. The proportion of patients who respond to enalapril alone with a decrease in diastolic blood pressure (greater than or equal to 10mm Hg) is around 70%. When a thiazide is added to the treatment, the proportion is above 90%. Enalapril improves the signs and symptoms associated with congestive heart failure. Patients increased their exercise tolerance by an average of 148 sec and improved in their NYHA cardiac status and prognosis classification. The overall incidence of side effects is similar to that seen in the placebo control groups. Side effects such as agranulocytosis, taste loss, rash, proteinuria were not characteristic of enalapril. This supports the hypothesis that the improved safety profile of enalapril is the result of being a nonsulphydryl angiotensin-converting enzyme (ACE) inhibitor. The most common side effects reported were dizziness, headache and asthenia. Abnormalities in electrolytes, uric acid, glucose or in lipids have generally not been associated with enalapril.
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PMID:Enalapril in hypertension and congestive heart failure. Overall review of efficacy and safety. 286 29

The efficacy and safety of terazosin were compared with those of other antihypertensive drugs in three parallel-group, randomized, double-blind studies in which 133 patients with mild to moderate hypertension participated. In two studies, terazosin monotherapy was compared with placebo and prazosin (study M79-073), or with hydrochlorothiazide (study M80-012). In a third study (M80-013), the combination of terazosin plus hydrochlorothiazide was compared with the combination of prazosin plus hydrochlorothiazide. Doses of study medications were administered twice daily and were increased at weekly intervals until the average supine diastolic blood pressure was 90 mm Hg or less, with a decrease from baseline of at least 10 mm Hg, or until the maximum specified dosage of a given study drug was reached. In general, all active treatments resulted in significant decreases from baseline in supine and standing blood pressures. There was no significant difference between terazosin- and prazosin-treated patients for changes from baseline to the final visit in supine or standing blood pressure measurements (study M79-073). Hydrochlorothiazide had a significantly greater effect on supine diastolic blood pressure when compared with terazosin (study M80-012). Otherwise, there were no significant differences between active treatment groups. Overall, no regimen caused clinically important changes in pulse rates, body weights, laboratory test results, physical examinations, or electrocardiograms. The incidence of side effects was approximately the same for all drugs; the most common side effects were headache, dizziness, malaise, asthenia, and nasal congestion. The results of these studies suggest that terazosin exhibits antihypertensive activity that is quantitatively similar to that of prazosin in patients with mild to moderate hypertension, and that a dose of 1 to 10 mg twice daily is well tolerated.
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PMID:Comparative trials of terazosin with other antihypertensive agents. 287 6

The short-term antihypertensive efficacy and safety of terazosin when administered with a diuretic were assessed in three randomized, double-blind, placebo-controlled studies. In all studies, adding terazosin to an established diuretic regimen resulted in significant incremental decreases in blood pressure from baseline to the final visit, with an overall satisfactory response rate of 56 percent versus 29 percent for control subjects. Mean decreases in supine diastolic blood pressure in the terazosin-treated groups ranged from 4.5 to 8.9 mm Hg, compared with mean decreases of 0.4 to 5.8 mm Hg in the placebo-treated groups; these differences generally achieved statistical significance. There were no clinically or statistically significant changes in pulse rates, physical examinations, or electrocardiographic tracings. Results of clinical laboratory tests revealed no evidence of drug-induced toxicity. Patients receiving the terazosin plus diuretic combination had a slight tendency to gain weight. The most common adverse effects reported by this group were dizziness, headache, and asthenia. The results of these studies indicate that combination therapy with terazosin plus a diuretic is both safe and effective for the treatment of hypertension.
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PMID:Cumulative experience with terazosin administered in combination with diuretics. 287 7

The safety of terazosin, an effective agent for the treatment of hypertension, was assessed by analyzing data from 1,006 hypertensive patients who were enrolled in short-term and/or long-term studies. The total experience with terazosin in this article represents 422.5 patient-years. Changes in pulse rate measurements from pretreatment to posttreatment were not significantly different between the terazosin- and placebo-treated patients (-1.0 beat per minute for the terazosin group and -1.0 beat per minute for the placebo group, in the supine position). Dizziness, headache, and asthenia were the most commonly reported adverse experiences among all terazosin-treated patients, although the incidence of headache in placebo-controlled trials was not significantly different between the terazosin and placebo groups. As a whole, patients receiving terazosin had a tendency to gain small amounts of weight (2 pounds). In addition, there was a trend for slight decreases in hemoglobin, hematocrit, white blood cell count, total protein, and albumin levels in those patients who received terazosin, suggesting hemodilution. Overall, terazosin was shown to be safe in patients with mild to moderate essential hypertension.
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PMID:Overall safety of terazosin as an antihypertensive agent. 287 12

Terazosin is a post-synaptic alpha 1-adrenoceptor antagonist with a similar pharmacodynamic profile to prazosin. It differs from prazosin in having a longer duration of action, with an elimination half-life some 2 to 3 times that of prazosin, allowing the convenience of once daily administration. Moreover, its absorption from the gastrointestinal tract is more complete and predictable than that of prazosin which may facilitate dose titration. Terazosin therapy results in a significant reduction in blood pressure in patients with mild to moderate essential hypertension, with little influence on heart rate. The drug is an effective antihypertensive when administered as monotherapy or in combination with a range of antihypertensive agents including beta-blockers, diuretics and combinations of the two. In the few patients with congestive heart failure studied, terazosin produced an increase in cardiac output with a reduction in ventricular filling pressure and systemic vascular resistance, but no studies have been performed to assess the therapeutic potential of terazosin in this indication. Reductions in total plasma cholesterol and low density plus very low density lipoprotein cholesterol fractions have been reported after terazosin therapy, while high density lipoprotein cholesterol concentrations have tended to increase. Should such beneficial changes be confirmed in long term clinical studies they would suggest a therapeutic advantage of terazosin over some other antihypertensive drugs, particularly diuretics, which have been reported to adversely affect the plasma lipid profile. The most common side effects associated with terazosin treatment are dizziness, headache, asthenia and nasal congestion, but these are usually mild and do not require treatment discontinuation. Terazosin is normally administered once daily, starting at a dose of 1 mg/day and gradually titrating upwards as the blood pressure stabilises at each new dose, until blood pressure is adequately controlled or to a maximum dose of 20mg daily. First-dose syncope occurs rarely after terazosin, and can largely be avoided by giving the first dose at bedtime. Thus, terazosin offers a useful alternative to the drugs currently available for the management of mild to moderate essential hypertension either as monotherapy or in combination with other antihypertensive drugs.
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PMID:Terazosin. A review of its pharmacodynamic and pharmacokinetic properties, and therapeutic efficacy in essential hypertension. 288 69

The long-term treatment of essential hypertension with terazosin, a new once-a-day alpha 1-adrenergic blocking agent, was evaluated in 364 hypertensive patients who received total daily doses of 1 to 40 mg for 3 weeks to 56 months. Consistent mean decreases in supine and standing systolic and diastolic blood pressures were observed throughout the study for patients treated with terazosin as monotherapy (supine, 9 to 12/10 to 13 mm Hg; and standing, 12 to 18/11 to 14 mm Hg) or in combination with other antihypertensive agents (supine, 12 to 16/12 to 15 mm Hg; and standing, 16 to 22/13 to 19 mm Hg). The most commonly reported adverse experiences were dizziness, headache, asthenia, cold symptoms, and nasal congestion. Adverse effects and metabolic disorders often associated with diuretics and beta blockers such as sexual dysfunction, hyperglycemia, hyperuricemia, hypokalemia, or adverse lipid effects were seen infrequently during long-term treatment with terazosin as monotherapy. Overall, terazosin was shown to be effective, safe, and well tolerated by most patients.
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PMID:Terazosin, a new selective alpha 1-adrenergic blocking agent. Results of long-term treatment in patients with essential hypertension. 290 Dec 67

The complications arising from two different anti-rabies vaccines were compared: DEV (duck embryo vaccine; the schedule included 14 daily doses plus 3 boosters) and HDCV (human diploid cells vaccine; the schedule included 5 doses plus 1 booster). 2646 patients were immunised, following a post-exposure prophylaxis, at the Antirabies Unit of the Institute of Hygiene of Rome. Among the 1434 patients immunised with DEV, 364 (25.38%) developed side-effects, whilst among the 1212 subjects immunised with HDCV only 47 (3.88%) developed side-effects. Using DEV the more frequent complications were as follows: fever (48.62%), regional adenopathy (49.45%), erythema (89.29%), local induration (41.48%). Using HDCV the main complication was fever (65.96%). The principal association of complication in DEV were: erythema + induration + edema + adenopathy + fever; general malaise + asthenia + adenopathy; dizziness + headache. Hyperthermia resulted often associated with regional adenopathy and the general malaise with the headache in the vaccinated with HDCV. All complications were widely distributed during the period of immunisation. However most side-effects arose following the 5th DEV dose or the 2nd HDCV dose. Regional adenopathy, was the more persistent and less tolerated symptom, also local erythema showed a long persistence, whilst the other symptoms regressed within 48-72 hours with proper therapy and rest. Sex and age did not influence the incidence nor the type of complications. Neither neuroparalysis was detected nor serious impairment of health. In our study the coincidence of unwanted effects, following an antirabies immunisation, seems lower than that described in the literature. This was probably due to the high level of purification of the vaccine and possibly to the different recording of the minor symptoms.
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PMID:[Findings on the occurrence of complications caused by DEV and HDVC (delta) vaccines]. 295 58

The therapeutic activity and tolerability of epomediol were studied in 28 patients with chronic hepatopathies. Treatment was continued, parenterally, for 10 days (400-600 mg once daily by intravenous infusion). Clinical parameters (headache, right hypochondrial pain, bitter taste in the mouth, asthenia and nausea) and hepatic function (transaminase, alkaline phosphatase and gamma-glutamyl transpeptidase) showed significant improvements. Clinical and systemic tolerabilities of epomediol were satisfactory.
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PMID:Preliminary report on activity and tolerability of epomediol, administered by intravenous infusion, in patients with chronic hepatopathies. 297 Apr 10

139 women at risk pregnancy (due to unprotected sexual intercourse) participated in a multicenter assessment of the efficacy and tolerability of RU 486 prescribed as a late luteal contragestive agent. 24 women received 400 mg of RU 486 and the remaining 115 women received 600 mg on the day before the expected menses. 48 women (35%) were found to be pregnant (positive plasma beta-human chorionic gonadotropin) at the time of RU 486 intake. An ongoing pregnancy after RU 486 treatment was found in 9 cases (failure rate, 19%). Bleeding occurred in all but 6 women, 1 of whom was pregnant. The duration of bleeding was 4.6 + or - 2.9 days in pregnant women and 3.8 + or - 1.2 days in nonpregnant women. A posttreatment menstrual period occurred 31.8 + or - 6.2 days after the onset of RU 486-induced bleeding in pregnant women and 30.0 + or - 5.3 days afterwards in nonpregnant women. Few side effects were reported (asthenia, pelvic pain, headache, mailase, and dizziness), and none required specific measures. These results indicate that, when it is too late for postcoital contragestive methods and too early for vacuum aspiration abortion, RU 486 constitutes a technique with at least as much effectiveness as high-dose estrogen therapy and fewer side effects and disturbances in the menstrual cycle. However, since the success rate is only 80%, it is essential to schedule a posttreatment visit to identify women with ongoing pregnancies or incomplete uterine evacuation.
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PMID:Contragestion with late luteal administration of RU 486 (Mifepristone). 304 66


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