Plavix Uses

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What is Plavix?

Plavix is used alone or together with aspirin to lessen the chance of a heart attack or stroke. It is given to patients who have already had a heart attack, severe chest pain, or a stroke, or to patients with other circulation problems that could cause a stroke or heart attack.

A heart attack or stroke may occur when a blood vessel is blocked by a blood clot. Plavix is a platelet inhibitor. It reduces the chance that a harmful blood clot will form by preventing platelets from clumping together in the blood. Plavix may also increase the chance of serious bleeding in some people.

Plavix is available only with your doctor's prescription.

Plavix indications

An indication is a term used for the list of condition or symptom or illness for which the medicine is prescribed or used by the patient. For example, acetaminophen or paracetamol is used for fever by the patient, or the doctor prescribes it for a headache or body pains. Now fever, headache and body pains are the indications of paracetamol. A patient should be aware of the indications of medications used for common conditions because they can be taken over the counter in the pharmacy meaning without prescription by the Physician.
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Prevention of atherothrombotic events in: Recent MI, Recent Stroke or Established Peripheral Arterial Disease: For patients with a history of recent myocardial infarction (MI), recent stroke, or established peripheral arterial disease, Plavix has been shown to reduce the rate of a combined endpoint of new ischemic stroke (fatal or not), new MI (fatal or not), and other vascular death.

Acute Coronary Syndrome: For patients with non-ST-segment elevation acute coronary syndrome (unstable angina/non-Q-wave MI) including patients who are to be managed medically and those who are to be managed with percutaneous coronary intervention (with or without stent) or coronary artery bypass graft (CABG), Plavix has been shown to decrease the rate of a combined endpoint of cardiovascular death, MI or stroke as well as the rate of a combined endpoint of cardiovascular death, MI, stroke or refractory ischemia.

For patients with ST-segment elevation acute MI, Plavix has been shown to reduce the rate of death from any cause and the rate of a combined endpoint of death, reinfarction or stroke.

Atrial Fibrillation: In patients with atrial fibrillation (AF) at increased risk of vascular events who can take vitamin K antagonist (VKA) therapy, VKA has been shown to be associated with a better clinical benefit than acetylsalicylic acid (aspirin) alone or the combination of Plavix and aspirin for the reduction of stroke.

In patients with atrial fibrillation who have at least 1 risk factor for vascular events and who cannot take VKA therapy [eg, specific risk of bleeding, physician assessment that patient is unable to comply with international normalized ratio (INR) monitoring or that VKA use is inappropriate], Plavix is indicated in combination with aspirin for the prevention of atherothrombotic and thromboembolic events, including stroke. Plavix in combination with aspirin has been shown to reduce the rate of the combined endpoint of stroke, myocardial infarction (MI), non-CNS systemic embolism, or vascular death, largely through a reduction in stroke.

How should I use Plavix?

Use Plavix as directed by your doctor. Check the label on the medicine for exact dosing instructions.

Ask your health care provider any questions you may have about how to use Plavix.

Uses of Plavix in details

There are specific as well as general uses of a drug or medicine. A medicine can be used to prevent a disease, treat a disease over a period or cure a disease. It can also be used to treat the particular symptom of the disease. The drug use depends on the form the patient takes it. It may be more useful in injection form or sometimes in tablet form. The drug can be used for a single troubling symptom or a life-threatening condition. While some medications can be stopped after few days, some drugs need to be continued for prolonged period to get the benefit from it.
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Use: Labeled Indications

Acute coronary syndrome:

ST-segment elevation myocardial infarction: To reduce the rate of myocardial infarction (MI) and stroke in conjunction with aspirin in patients with acute ST-elevation MI who are to be managed medically.

Non-ST-segment elevation acute coronary syndromes: To decrease the rate of MI and stroke in conjunction with aspirin in patients with non-ST-segment elevation acute coronary syndromes (unstable angina/non-ST-elevation MI), including patients who are to be managed medically and those who are to be managed with coronary revascularization.

Myocardial infarction, ischemic stroke, or peripheral atherosclerotic disease: To reduce the rate of MI and stroke in patients with a history of recent MI, recent stroke, or established peripheral atherosclerotic disease.

Off Label Uses

Carotid artery atherosclerosis, symptomatic

Based on the American College of Chest Physicians guidelines for antithrombotic therapy in peripheral artery disease, Plavix is effective and recommended for patients with symptomatic carotid artery atherosclerosis.

Carotid artery stenting

A randomized, controlled trial with blinded end point adjudication evaluated carotid artery stenting versus carotid endarterectomy in patients with carotid artery stenosis. In this trial, aspirin in combination with Plavix was used for patients who underwent carotid artery stenting, which suggests that this antiplatelet combination is effective.

Plavix description

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Each film-coated tablet contains Clopidogrel hydrogen sulphate 97.875 mg (molar equivalent of Plavix base 75 mg) or Plavix hydrogen sulphate 391.5 mg (molar equivalent of Plavix base 300 mg).

Plavix also contains the following excipients: Hydrogenated castor oil, hydroxypropyl cellulose, mannitol E421, microcrystalline cellulose and polyethylene glycol 6000 as inactive ingredient. The pink film coating contains ferric oxide E172, hypromellose 2910, lactose, titanium dioxide and triacetin. The tablets are polished with carnauba wax.

Plavix is methyl(+)-(S)-α-(2-chlorophenyl)-6,7-dihydrothieno[3,2-c]pyridine-5(4H)-acetate sulfate (1:1). It has an empirical formula of C16H16CINO2S·H2SO4 and a molecular weight of 419.9.

Plavix is an inhibitor of ADP-induced platelet aggregation acting by direct inhibition of adenosine diphosphate (ADP) binding to its receptor and of the subsequent ADP-mediated activation of the glycoprotein GPIIb/IIIa complex.

Plavix is a white to off-white powder. It is practically insoluble in water at neutral pH but freely soluble at pH 1. It also dissolves freely in methanol, dissolves slightly in methylene chloride, and is practically insoluble in ethyl ether. It has a specific optical rotation of about +56°.

Plavix dosage

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Plavix Dosage

Generic name: Plavix

Dosage form: tablet, film coated

The information at Drugs.com is not a substitute for medical advice. Always consult your doctor or pharmacist.

Acute Coronary Syndrome

Plavix can be administered with or without food.

Recent MI, Recent Stroke, or Established Peripheral Arterial Disease

The recommended daily dose of Plavix is 75 mg once daily orally, with or without food.

CYP2C19 Poor Metabolizers

CYP2C19 poor metabolizer status is associated with diminished antiplatelet response to Plavix. Although a higher dose regimen in poor metabolizers increases antiplatelet response, an appropriate dose regimen for this patient population has not been established.

Use with Proton Pump Inhibitors (PPI)

Avoid using omeprazole or esomeprazole with Plavix. Omeprazole and esomeprazole significantly reduce the antiplatelet activity of Plavix. When concomitant administration of a PPI is required, consider using another acid-reducing agent with minimal or no CYP2C19 inhibitory effect on the formation of Plavix active metabolite.

More about Plavix (Plavix)

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Plavix interactions

See also:
What other drugs will affect Plavix?

Oral Anticoagulants:

Because of the increased risk of bleeding, the concomitant administration of warfarin with Plavix should be undertaken with caution.

Glycoprotein IIb/IIIa Inhibitors: As a pharmacodynamic interaction between Plavix and glycoprotein IIb/IIIa inhibitors is possible, concomitant use should be undertaken with caution.

Acetylsalicylic Acid: Acetylsalicylic acid did not modify the Plavix-mediated inhibition of ADP-induced platelet aggregation, but Plavix potentiated the effect of ASA on collagen-induced platelet aggregation. However, concomitant administration of ASA 500 mg twice daily for 1 day did not significantly increase the prolongation of bleeding time induced by Plavix intake. As a pharmacodynamic interaction between Plavix and ASA is possible, leading to increased risk of bleeding. Therefore, concomitant use should be undertaken with caution. However, Plavix and ASA have been administered together for up to 1 year.

Injectable Anticoagulants: In a clinical study conducted in healthy subjects, Plavix did not necessitate modification of the heparin dose or alter the effect of heparin on coagulation. Co-administration of heparin had no effect on the IPA induced by Plavix. As a pharmacodynamic interaction between Plavix and heparin is possible, concomitant use should be undertaken with caution.

Thrombolytics: The safety of the concomitant administration of Plavix, thrombolytic agents and heparins was assessed in patients with acute MI. The incidence of clinically significant bleeding was similar to that observed when thrombolytic agents and heparins are co-administered with ASA.

Nonsteroidal Anti-Inflammatory Drugs (NSAIDs): In a clinical study conducted in healthy volunteers, the concomitant administration of Plavix and naproxen increased occult gastrointestinal blood loss. However, due to the lack of interaction studies with other NSAIDs, it is presently unclear whether there is an increased risk of gastrointestinal bleeding with all NSAIDs. Consequently, NSAIDs including COX-2 inhibitors and Plavix should be co-administered with caution.

Selective Serotonin Reuptake Inhibitors (SSRIs): Since SSRIs affect platelet activation and increase the risk of bleeding, the concomitant administration of SSRIs with Plavix should be undertaken with caution.

Other Concomitant Therapy: Since Plavix is metabolised to its active metabolite partly by CYP2C19, use of drugs that inhibit the activity of this enzyme would be expected to result in reduced drug levels of the active metabolite of Plavix. The clinical relevance of this interaction is uncertain. Concomitant use of strong or moderate CYP2C19 inhibitors (eg, omeprazole) should be discouraged. If a proton-pump inhibitor is to be used concomitantly with Plavix, consider using one with less CYP2C19 inhibitory activity eg, pantoprazole.

Proton-Pump Inhibitors (PPI): In a crossover clinical study, Plavix (300-mg loading dose followed by 75 mg/day) alone and with omeprazole (80 mg at the same time as Plavix) were administered for 5 days. The exposure to the active metabolite of Plavix was decreased by 45% (day 1) and 40% (day 5) when Plavix and omeprazole were administered together. Mean IPA with 5 mM ADP was diminished by 39% (24 hrs) and 21% (day 5) when Plavix and omeprazole were administered together.

In a 2nd interaction study with omeprazole 80 mg administered 12 hrs apart from the Plavix standard regimen, the results were similar, indicating that administering Plavix and omeprazole at different times does not prevent their interaction that is likely to be driven by the inhibitory effect of omeprazole on CYP2C19.

In a 3rd interaction study with omeprazole 80 mg administered with a higher dose regimen of Plavix (600-mg loading dose followed by 150 mg/day), a degree of interaction was observed similar to that noted in the other omeprazole interaction studies. However, active metabolite formation and platelet aggregation were at the same level as Plavix administered alone at the standard dose regimen.

In a crossover clinical study, healthy subjects were administered Plavix (300-mg loading dose followed by 75 mg/day) alone and with pantoprazole (80 mg at the same time as Plavix) for 5 days. The exposure to the active metabolite of Plavix was decreased by 20% (day 1) and 14% (day 5) when Plavix and pantoprazole were administered together. Mean IPA was diminished by 15% (24 hrs) and 11% (day 5) when Plavix and pantoprazole were administered together. These results indicate that Plavix can be administered with pantoprazole.

The CURRENT trial compared 2 dosing regimens of Plavix (600-mg loading dose, then 150 mg/day for 6 days followed by 75 mg/day up to 30 days vs 300-mg loading dose followed by 75 mg/day up to 30 days). A subanalysis (n=18,432) correlated PPI use (mainly omeprazole and pantoprazole) at randomization and hospital discharge and demonstrated no interaction between Plavix and PPI use for the primary endpoint (CV death, MI or stroke) or any secondary endpoints, including stent thrombosis.

A number of other clinical studies have been conducted with Plavix and other concomitant medications to investigate the potential for pharmacodynamic and pharmacokinetic interactions. No clinically significant pharmacodynamic interactions were observed when Plavix was co-administered with atenolol, nifedipine or both atenolol and nifedipine. Furthermore, the pharmacodynamic activity of Plavix was not significantly influenced by the co-administration of phenobarbital, or oestrogen.

The pharmacokinetics of digoxin or theophylline were not modified by the co-administration of Plavix. Antacids did not modify the extent of Plavix absorption.

Although the administration of Plavix 75 mg/day did not modify the pharmacokinetics of S-warfarin (a CYP2C9 substrate) or INR in patients receiving long-term warfarin therapy, co-administration of Plavix with warfarin increases the risk of bleeding because of independent effects on hemostasis. However, at high concentrations in vitro, Plavix inhibits CYP2C9. It is unlikely that Plavix may interfere with the metabolism of drugs eg, phenytoin and tolbutamide and the NSAIDs, which are metabolised by cytochrome P-450 2C9. Data from the CAPRIE study indicate that phenytoin and tolbutamide can be safely co-administered with Plavix.

Apart from the specific drug interaction information described previously, interaction studies with Plavix and some drugs commonly administered in patients with atherothrombotic disease have not been performed. However, patients entered into clinical trials with Plavix received a variety of concomitant medications including diuretics, β-blockers, ACE inhibitors, calcium antagonists, cholesterol lowering agents, coronary vasodilators, antidiabetic agents (including insulin), antiepileptic agents, hormone replacement therapy and GP IIb/IIIa antagonists without evidence of clinically significant adverse interactions.

Incompatibilities: Not applicable.

Plavix side effects

See also:
What are the possible side effects of Plavix?

Plavix has been evaluated for safety in more than 44,000 patients who have participated in clinical studies, including >12,000 patients treated for ≥1 year. Overall, Plavix 75 mg/day was comparable to ASA 325 mg/day in CAPRIE regardless of age, gender and race. The clinically relevant adverse reactions observed in the CAPRIE, CURE, CLARITY, COMMIT and ACTIVE-A studies are discussed as follows. In addition to clinical studies experience, adverse reactions have been spontaneously reported.

Bleeding is the most common reaction reported both in clinical studies as well as in post-marketing experience where it was mostly reported during the 1st month of treatment.

In CAPRIE, in patients treated with either Plavix or ASA, the overall incidence of any bleeding was 9.3%. The incidence of severe cases was similar for Plavix and ASA.

In CURE, there was no excess in major bleeds with Plavix + ASA within 7 days after coronary bypass graft surgery in patients who stopped therapy >5 days prior to surgery. In patients who remained on therapy within 5 days of bypass graft surgery, the event rate was 9.6% for Plavix + ASA, and 6.3% for placebo + ASA.

In CLARITY, there was an overall increase in bleeding in the Plavix + ASA group versus the placebo + ASA group. The incidence of major bleeding was similar between groups. This was consistent across subgroups of patients defined by baseline characteristics, and type of fibrinolytic or heparin therapy.

In COMMIT, the overall rate of noncerebral major bleeding or cerebral bleeding was low and similar in both groups.

In ACTIVE-A, the rate of major bleeding was greater in the Plavix + ASA group than in the placebo + ASA group (6.7% vs 4.3%). Major bleeding was mostly of extracranial origin in both groups (5.3% in the Plavix + ASA group; 3.5% in the placebo + ASA group), mainly from the gastrointestinal tract (3.5% vs 1.8%). There was an excess of intracranial bleeding in the Plavix + ASA treatment group compared to the placebo + ASA group (1.4% vs 0.8%, respectively). There was no statistically significant difference in the rates of fatal bleeding (1.1% in the Plavix + ASA group and 0.7% in the placebo + ASA group) and haemorrhagic stroke (0.8% and 0.6%, respectively) between groups.

Adverse reactions that occurred either during clinical studies or that were spontaneously reported are presented in Table 2. Their frequency is defined using the following conventions: Common (≥1/100 to <1/10); uncommon (≥1/1000 to <1/100); rare (≥1/10,000 to <1/1000); very rare (<1/10,000). Within each system organ class, adverse reactions are presented in order of decreasing seriousness.

Plavix contraindications

See also:
What is the most important information I should know about Plavix?

Plavix should not be used whenever stimulation of gastrointestinal motility might be dangerous, e.g., in the presence of gastrointestinal hemorrhage, mechanical obstruction, or perforation.

Plavix is contraindicated in patients with pheochro-mocytoma because the drug may cause a hypertensive crisis, probably due to release of catecholamines from the tumor. Such hypertensive crises may be controlled by phen-tolamine.

Plavix is contraindicated in patients with known sensitivity or intolerance to the drug.

Plavix should not be used in epileptics or patients receiving other drugs which are likely to cause extrapyramidal reactions, since the frequency and severity of seizures or extrapyramidal reactions may be increased.

Active ingredient matches for Plavix:

Clopidogrel in Antigua & Barbuda, Argentina, Aruba, Australia, Austria, Bahamas, Bangladesh, Barbados, Belgium, Bermuda, Bosnia & Herzegowina, Brazil, Canada, Cayman Islands, Chile, China, Colombia, Costa Rica, Croatia (Hrvatska), Czech Republic, Denmark, Dominican Republic, Ecuador, El Salvador, Finland, France, Georgia, Germany, Greece, Guatemala, Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, Indonesia, Ireland, Israel, Italy, Jamaica, Japan, Luxembourg, Malaysia, Mexico, Netherlands, Netherlands Antilles, New Zealand, Nicaragua, Norway, Panama, Peru, Philippines, Portugal, Romania, Russian Federation, Saint Lucia, Saint Vincent & The Grenadines, Serbia, Singapore, Slovakia, Slovenia, South Africa, Spain, Sweden, Switzerland, Taiwan, Thailand, Trinidad & Tobago, Tunisia, Turkey, United Kingdom, United States, Venezuela, Vietnam.

Clopidogrel bisulfate in United States, France, Singapore, Switzerland, Canada, Sweden, Netherlands, Ireland, Hong Kong, Malaysia, Hungary, Poland.

Clopidogrel hydrogen sulfate in Singapore.

Clopidogrel bisulfate 75mg


Unit description / dosage (Manufacturer)Price, USD
Tablet, Film-Coated; Oral; Clopidogrel Bisulfate 75 mg
Tablet; Oral; Clopidogrel Bisulfate 300 mg
Tablet; Oral; Clopidogrel Bisulfate 75 mg
Plavix 75mg TAB / 14$ 25.65
Plavix 75 mg x 28's$ 75.71
Plavix 75 mg x 14's$ 17.83
100 tablet in 1 blister pack
30 tablet in 1 bottle
500 tablet in 1 bottle
90 tablet in 1 bottle
Plavix 75 mg x 14 Tablet
Plavix 300 mg x 30 Tablet
75 mg x 14's$ 25.65
Plavix 300 mg x 30's
Plavix 300 mg
Plavix 75mg CAP / 14$ 25.65
PLAVIX 75 MG TABLET 1 strip / 14 tablets each (Sanofi India Ltd)$ 1.50
Plavix FC tab 300 mg 3 x 14's (sanofi-aventis)
Plavix FC tab 75 mg 14's (sanofi-aventis)$ 17.83
PLAVIX cap 75 mg x 14's (Sanofi Synth)$ 25.65
PLAVIX tab 75 mg x 14's (Sanofi Synth)$ 25.65
Plavix film-coated tab 75 mg 14's (sanofi-aventis)
Plavix film-coated tab 75 mg 84's (sanofi-aventis)
Plavix FC tab 300 mg 10's (sanofi-aventis)
Plavix FC tab 300 mg 30's (sanofi-aventis)
Plavix tablet, film coated 75 mg/1 (Cardinal Health (US))
Plavix tablet, film coated 300 mg/1 (Cardinal Health (US))
Plavix tablet 75 mg (Sanofi Aventis Canada Inc (Canada))
Plavix tablet 300 mg (Sanofi Aventis Canada Inc (Canada))
Plavix 75mg Tablet (Sanofi India Ltd)$ 0.11

List of Plavix substitutes (brand and generic names):

Plavix film-coated tab 75 mg 14's (sanofi-aventis)
Plavos 75 mg x 30's$ 37.20
PLAXIA 75 MG TABLET 1 strip / 10 tablets each (Wings Biotech Ltd)$ 0.60
Plaxia 75mg Tablet (Wings Biotech Ltd)$ 0.06
Plogrel 75 mg x 50's (Therapharma)$ 31.45
Plogrel FC tab 75 mg 50's (Therapharma)$ 42.14
PMS-clopidogrel tablet 75 mg (Pharmascience Inc (Canada))
Preva - TAB / 7 (Intas)$ 1.09
7's (Intas)$ 1.09
PREVA 75 MG TABLET 1 strip / 10 tablets each (Intas)$ 0.68
PREVA tab 75 mg x 7's (Intas)$ 1.09
Preva 75mg Tablet (Intas)$ 0.07
Preva Gold 75mg/10mg/75mg Tablet (Intas)$ 0.17
Preva RS 10mg/75mg Capsule (Intas)$ 0.23
Preva RS 5mg/75mg Capsule (Intas)$ 0.17
Progrel 75 mg x 1000's
PROGREL 75 MG TABLET 1 strip / 10 tablets each (Apostle Remedies)$ 0.41
Progrel 75mg Tablet (Apostle Remedies)$ 0.04
Psygrel 75mg TAB / 100 (Psycorem)$ 5.71
75 mg x 100's (Psycorem)$ 5.71
PSYGREL tab 75 mg x 10's (Psycorem)$ 0.57
Ran-clopidogrel tablet 75 mg (Ranbaxy Pharmaceuticals Canada Inc. (Canada))

References

  1. PubChem. "clopidogrel". https://pubchem.ncbi.nlm.nih.gov/com... (accessed September 17, 2018).
  2. DrugBank. "clopidogrel". http://www.drugbank.ca/drugs/DB00758 (accessed September 17, 2018).
  3. DTP/NCI. "clopidogrel: The NCI Development Therapeutics Program (DTP) provides services and resources to the academic and private-sector research communities worldwide to facilitate the discovery and development of new cancer therapeutic agents.". https://dtp.cancer.gov/dtpstandard/s... (accessed September 17, 2018).

Reviews

The results of a survey conducted on ndrugs.com for Plavix are given in detail below. The results of the survey conducted are based on the impressions and views of the website users and consumers taking Plavix. We implore you to kindly base your medical condition or therapeutic choices on the result or test conducted by a physician or licensed medical practitioners.

User reports

Consumer reported useful

No survey data has been collected yet


Consumer reported price estimates

No survey data has been collected yet


1 consumer reported time for results

To what extent do I have to use Plavix before I begin to see changes in my health conditions?
As part of the reports released by ndrugs.com website users, it takes 5 days and a few days before you notice an improvement in your health conditions.
Please note, it doesn't mean you will start to notice such health improvement in the same time frame as other users. There are many factors to consider, and we implore you to visit your doctor to know how long before you can see improvements in your health while taking Plavix. To get the time effectiveness of using Plavix drug by other patients, please click here.
Users%
5 days1
100.0%


Consumer reported age

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Information checked by Dr. Sachin Kumar, MD Pharmacology

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