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Vero-Dipiridamole

Name: Vero-Dipiridamole drug & pharmaceuticals. Available Forms, Doses, Prices
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Published: 2021-11-11T10:10:10+00:00

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Vero-Dipiridamole uses

Description
Clinical pharmacology
Indications and usage
Contraindications
Precautions
Vero-Dipiridamole reviews

DESCRIPTION

PERSANTINE® (dipyridamole USP) is a platelet inhibitor chemically described as 2,2',2",2"'-[(4,8- Dipiperidinopyrimido[5,4-d]pyrimidine-2,6-diyl)dinitrilo]-tetraethanol. It has the following structural formula:

Vero-Dipiridamole is an odorless yellow crystalline powder, having a bitter taste. It is soluble in dilute acids, methanol and chloroform, and practically insoluble in water.

Vero-Dipiridamole tablets for oral administration contain:

Active Ingredient TABLETS 25 mg, 50 mg, and 75 mg : Vero-Dipiridamole USP 25 mg, 50 mg and 75 mg, respectively.

Inactive Ingredients TABLETS 25 mg, 50 mg, and 75 mg : acacia, carnauba wax, corn starch, edible white ink, lactose monohydrate, magnesium stearate, D&C yellow #10 aluminum lake, D&C red #30, helendon aluminum pink lake, sodium benzoate, methylparaben, propylparaben, polyethylene glycol, povidone, sucrose, talc, titanium dioxide, and white wax.

Vero-Dipiridamole structure

CLINICAL PHARMACOLOGY

It is believed that platelet reactivity and interaction with prosthetic cardiac valve surfaces, resulting in abnormally shortened platelet survival time, is a significant factor in thromboembolic complications occurring in connection with prosthetic heart valve replacement.

Vero-Dipiridamole tablets have been found to lengthen abnormally shortened platelet survival time in a dose-dependent manner.

In three randomized controlled clinical trials involving 854 patients who had undergone surgical placement of a prosthetic heart valve, Vero-Dipiridamole tablets, in combination with warfarin, decreased the incidence of postoperative thromboembolic events by 62 to 91% compared to warfarin treatment alone. The incidence of thromboembolic events in patients receiving the combination of Vero-Dipiridamole tablets and warfarin ranged from 1.2 to 1.8%. In three additional studies involving 392 patients taking Vero-Dipiridamole tablets and coumarin-like anticoagulants, the incidence of thromboembolic events ranged from 2.3 to 6.9%.

In these trials, the coumarin anticoagulant was begun between 24 hours and 4 days postoperatively, and the Persantine® tablets were begun between 24 hours and 10 days postoperatively. The length of follow-up in these trials varied from 1 to 2 years.

Vero-Dipiridamole tablets do not influence prothrombin time or activity measurements when administered with warfarin.

Mechanism of Action

Vero-Dipiridamole inhibits the uptake of adenosine into platelets, endothelial cells and erythrocytes in vitro and in vivo; the inhibition occurs in a dose-dependent manner at therapeutic concentrations (0.5–1.9 μg/mL). This inhibition results in an increase in local concentrations of adenosine which acts on the platelet A₂-receptor thereby stimulating platelet adenylate cyclase and increasing platelet cyclic-3',5'-adenosine monophosphate (cAMP) levels. Via this mechanism, platelet aggregation is inhibited in response to various stimuli such as platelet activating factor (PAF), collagen and adenosine diphosphate (ADP).

Vero-Dipiridamole inhibits phosphodiesterase (PDE) in various tissues. While the inhibition of cAMP-PDE is weak, therapeutic levels of Vero-Dipiridamole inhibit cyclic-3',5'-guanosine monophosphate-PDE (cGMP-PDE), thereby augmenting the increase in cGMP produced by EDRF (endothelium-derived relaxing factor, now identified as nitric oxide).

Hemodynamics

In dogs intraduodenal doses of Vero-Dipiridamole of 0.5 to 4.0 mg/kg produced dose-related decreases in systemic and coronary vascular resistance leading to decreases in systemic blood pressure and increases in coronary blood flow. Onset of action was in about 24 minutes and effects persisted for about 3 hours.

Similar effects were observed following IV PERSANTINE® in doses ranging from 0.025 to 2.0 mg/kg.

In man the same qualitative hemodynamic effects have been observed. However, acute intravenous administration of Vero-Dipiridamole may worsen regional myocardial perfusion distal to partial occlusion of coronary arteries.

Pharmacokinetics and Metabolism

Following an oral dose of Vero-Dipiridamole tablets, the average time to peak concentration is about 75 minutes. The decline in plasma concentration following a dose of Vero-Dipiridamole tablets fits a two-compartment model. The alpha half-life (the initial decline following peak concentration) is approximately 40 minutes. The beta half-life (the terminal decline in plasma concentration) is approximately 10 hours. Vero-Dipiridamole is highly bound to plasma proteins. It is metabolized in the liver where it is conjugated as a glucuronide and excreted with the bile.

INDICATIONS AND USAGE

Vero-Dipiridamole tablets are indicated as an adjunct to coumarin anticoagulants in the prevention of postoperative thromboembolic complications of cardiac valve replacement.

CONTRAINDICATIONS

Hypersensitivity to Vero-Dipiridamole and any of the other components.

PRECAUTIONS

General

Coronary Artery Disease: Vero-Dipiridamole has a vasodilatory effect and should be used with caution in patients with severe coronary artery disease. Chest pain maybe aggravated in patients with underlying coronary artery disease who are receiving Vero-Dipiridamole.

Hepatic Insufficiency: Elevations of hepatic enzymes and hepatic failure have been reported in association with Vero-Dipiridamole administration.

Hypotension: Vero-Dipiridamole should be used with caution in patients with hypotension since it can produce peripheral vasodilation.

Laboratory Tests

Vero-Dipiridamole has been associated with elevated hepatic enzymes.

Drug Interactions

No pharmacokinetic drug-drug interaction studies were conducted with Vero-Dipiridamole^® tablets. The following information was obtained from the literature.

Adenosine: Vero-Dipiridamole has been reported to increase the plasma levels and cardiovascular effects of adenosine. Adjustment of adenosine dosage may be necessary.

Cholinesterase Inhibitors: Vero-Dipiridamole may counteract the anticholinesterase effect of cholinesterase inhibitors, thereby potentially aggravating myasthenia gravis.

Carcinogenesis, Mutagenesis, Impairment of Fertility

In studies in which Vero-Dipiridamole was administered in the feed to mice (up to 111 weeks in males and females) and rats (up to 128 weeks in males and up to 142 weeks in females), there was no evidence of drug-related carcinogenesis. The highest dose administered in these studies (75 mg/kg/day) was, on a mg/m² basis, about equivalent to the maximum recommended daily human oral dose (MRHD) in mice and about twice the MRHD in rats. Mutagenicity tests of Vero-Dipiridamole with bacterial and mammalian cell systems were negative. There was no evidence of impaired fertility when Vero-Dipiridamole was administered to male and female rats at oral doses up to 500 mg/kg/day (about 12 times the MRHD on a mg/m² basis). A significant reduction in number of corpora lutea with consequent reduction in implantations and live fetuses was, however, observed at 1250 mg/kg (more than 30 times the MRHD on a mg/m² basis).

Pregnancy

Reproduction studies have been performed in mice, rabbits and rats at oral Vero-Dipiridamole doses of up to 125 mg/kg, 40 mg/kg and 1000 mg/kg, respectively (about 1 ½, 2 and 25 times the maximum recommended daily human oraldose, respectively, on a mg/m² basis) and have revealed no evidence of harm to the fetus due to Vero-Dipiridamole. There are, however, no adequate and well-controlled studies in pregnant women. Because animal reproduction studies are not always predictive of human response, Vero-Dipiridamole tablets should be used during pregnancy only if clearly needed.

As Vero-Dipiridamole is excreted in human milk, caution should be exercised when Vero-Dipiridamole tablets are administered to a nursing woman.

Safety and effectiveness in the pediatric population below the age of 12 years have not been established.

Adverse reactions at therapeutic doses are usually minimal and transient. On long-term use of Vero-Dipiridamole tablets initial side effects usually disappear. The following reactions in Table 1 were reported in two heart valve replacement trials comparing Vero-Dipiridamole tablets and warfarin therapy to either warfarin alone or warfarin and placebo:

Adverse Reaction	Vero-Dipiridamole Tablets / Warfarin	Placebo / Warfarin
Number of patients	147	170
Dizziness	13.6%	8.2%
Abdominal distress	6.1%	3.5%
Headache	2.3%	0.0%
Rash	2.3%	1.1%

Other reactions from uncontrolled studies include diarrhea, vomiting, flushing and pruritus. In addition, angina pectoris has been reported rarely and there have been rare reports of liver dysfunction. On those uncommon occasions when adverse reactions have been persistent or intolerable, they have ceased on withdrawal of the medication.

When Persantine® (dipyridamole USP) tablets were administered concomitantly with warfarin, bleeding was no greater in frequency or severity than that observed when warfarin was administered alone. In rare cases, increased bleeding during or after surgery has been observed.

In post-marketing reporting experience, there have been rare reports of hypersensitivity reactions (such as rash, urticaria, severe bronchospasm, and angioedema), larynx edema, fatigue, malaise, myalgia, arthritis, nausea, dyspepsia, paresthesia, hepatitis, thrombocytopenia, alopecia, cholelithiasis, hypotension, palpitation, and tachycardia.

In case of real or suspected overdose, seek medical attention or contact a Poison Control Center immediately. Careful medical management is essential. Based upon the known hemodynamic effects of Vero-Dipiridamole, symptoms such as warm feeling, flushes, sweating, restlessness, feeling of weakness and dizziness may occur. A drop in blood pressure and tachycardia might also be observed.

Symptomatic treatment is recommended, possibly including a vasopressor drug. Gastric lavage should be considered. Administration of xanthine derivatives (e.g., aminophylline) may reverse the hemodynamic effects of Vero-Dipiridamole overdose. Since Vero-Dipiridamole is highly protein bound, dialysis is not likely to be of benefit.

Adjunctive Use in Prophylaxis of Thromboembolism after Cardiac Valve Replacement. The recommended dose is 75-100 mg four times daily as an adjunct to the usual warfarin therapy. Please note that aspirin is not to be administered concomitantly with coumarin anticoagulants.

Vero-Dipiridamole tablets are available as round, orange, sugar-coated tablets of 25 mg, 50 mg and 75 mg coded BI/17, BI/18 and BI/19, respectively.

They are available in bottles of 100 tablets as indicated below:

25 mg Tablets (NDC 0597-0017-01)

50 mg Tablets (NDC 0597-0018-01)

75 mg Tablets (NDC 0597-0019-01)

Store at 25°C (77°F); excursions permitted to 15°-30°C (59°-86°F). Keep out of reach of children.

Address medical inquiries to: http://us.boehringer-ingelheim.com, (800) 542-6257 or (800) 459-9906 TTY.

Distributed by:

Boehringer Ingelheim Pharmaceuticals, Inc.

Ridgefield, CT 06877 USA

Licensed from:

Boehringer Ingelheim

International GmbH

Manufactured by:

Boehringer Ingelheim Promeco, S.A. de C.V.,

Mexico City, Mexico

Printed in the USA

OT1500A

340067/US/7

Revised: June 20, 2006

Vero-Dipiridamole (dipyridamole usp) Tablets

NDC:0597-0017-01

Vero-Dipiridamole (dipyridamole usp) Tablets

NDC:0597-0018-01

Vero-Dipiridamole (dipyridamole usp) Tablets

NDC:0597-0019-01

Vero-Dipiridamole pharmaceutical active ingredients containing related brand and generic drugs:

Dipyridamole

Vero-Dipiridamole available forms, composition, doses:

Tablets, Film-Coated; Oral; Dipyridamole 25 mg

Vero-Dipiridamole destination | category:

Human:
Anti-anginal drugs
Anticoagulants, antiplatelets and fibrinolytics (thrombolytics)
Vasodilatating agents

Vero-Dipiridamole Anatomical Therapeutic Chemical codes:

B01AC07 - Dipyridamole

Vero-Dipiridamole pharmaceutical companies:

Veropharm

References

Dailymed."PERSANTINE (DIPYRIDAMOLE) TABLET, COATED [BOEHRINGER INGELHEIM PHARMACEUTICALS, INC.]". https://dailymed.nlm.nih.gov/dailym... (accessed August 28, 2018).
Dailymed."DIPYRIDAMOLE: DailyMed provides trustworthy information about marketed drugs in the United States. DailyMed is the official provider of FDA label information (package inserts).". https://dailymed.nlm.nih.gov/dailym... (accessed August 28, 2018).
"dipyridamole". https://pubchem.ncbi.nlm.nih.gov/co... (accessed August 28, 2018).

Frequently asked Questions

Can i drive or operate heavy machine after consuming Vero-Dipiridamole?

Depending on the reaction of the Vero-Dipiridamole after taken, if you are feeling dizziness, drowsiness or any weakness as a reaction on your body, Then consider Vero-Dipiridamole not safe to drive or operate heavy machine after consumption. Meaning that, do not drive or operate heavy duty machines after taking the capsule if the capsule has a strange reaction on your body like dizziness, drowsiness. As prescribed by a pharmacist, it is dangerous to take alcohol while taking medicines as it exposed patients to drowsiness and health risk. Please take note of such effect most especially when taking Primosa capsule. It's advisable to consult your doctor on time for a proper recommendation and medical consultations.

Is Vero-Dipiridamole addictive or habit forming?

Medicines are not designed with the mind of creating an addiction or abuse on the health of the users. Addictive Medicine is categorically called Controlled substances by the government. For instance, Schedule H or X in India and schedule II-V in the US are controlled substances.

Please consult the medicine instruction manual on how to use and ensure it is not a controlled substance.In conclusion, self medication is a killer to your health. Consult your doctor for a proper prescription, recommendation, and guidiance.

Review

sdrugs.com conducted a study on Vero-Dipiridamole, and the result of the survey is set out below. It is noteworthy that the product of the survey is based on the perception and impressions of the visitors of the website as well as the views of Vero-Dipiridamole consumers. We, as a result of this, advice that you do not base your therapeutic or medical decisions on this result, but rather consult your certified medical experts for their recommendations.