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* The applicability of the CAST results to other populations (e.g., those without recent myocardial infarctions) is uncertain. Considering the known proarrhythmic properties of procainamide and the lack of evidence of improved survival for any antiarrhythmic drug in patients without life-threatening arrhythmias, the use of procainamide as well as other antiarrhythmic agents should be reserved for patients with life-threatening ventricular arrhythmias.
* The applicability of the CAST results to other populations (e.g., those without recent myocardial infarctions) is uncertain. Considering the known proarrhythmic properties of procainamide and the lack of evidence of improved survival for any antiarrhythmic drug in patients without life-threatening arrhythmias, the use of procainamide as well as other antiarrhythmic agents should be reserved for patients with life-threatening ventricular arrhythmias.


<i><span style="color:#FF0000;"> Mortality: </span></i>
<i><span style="color:#FF0000;"> Blood Dyscrasias: </span></i>


* Agranulocytosis, bone marrow depression, neutropenia, hypoplastic anemia and thrombocytopenia in patients receiving procainamide hydrochloride have been reported at a rate of approximately 0.5%. Most of these patients received procainamide within the recommended dosage range. Fatalities have occurred (with approximately 20−25 percent mortality in reported cases of agranulocytosis). Since most of these events have been noted during the first 12 weeks of therapy, it is recommended that complete blood counts including white cell, differential and platelet counts be performed at weekly intervals for the first three months of therapy, and periodically thereafter. Complete blood counts should be performed promptly if the patient develops any signs of infection (such as fever, chills, sore throat or stomatitis), bruising or bleeding. If any of these hematologic disorders are identified, procainamide therapy should be discontinued. Blood counts usually return to normal within one month of discontinuation. Caution should be used in patients with pre-existing marrow failure or cytopenia of any type.
* Agranulocytosis, bone marrow depression, neutropenia, hypoplastic anemia and thrombocytopenia in patients receiving procainamide hydrochloride have been reported at a rate of approximately 0.5%. Most of these patients received procainamide within the recommended dosage range. Fatalities have occurred (with approximately 20−25 percent mortality in reported cases of agranulocytosis). Since most of these events have been noted during the first 12 weeks of therapy, it is recommended that complete blood counts including white cell, differential and platelet counts be performed at weekly intervals for the first three months of therapy, and periodically thereafter. Complete blood counts should be performed promptly if the patient develops any signs of infection (such as fever, chills, sore throat or stomatitis), bruising or bleeding. If any of these hematologic disorders are identified, procainamide therapy should be discontinued. Blood counts usually return to normal within one month of discontinuation. Caution should be used in patients with pre-existing marrow failure or cytopenia of any type.

Revision as of 03:01, 13 July 2014

Procainamide
Black Box Warning
Adult Indications & Dosage
Pediatric Indications & Dosage
Contraindications
Warnings & Precautions
Adverse Reactions
Drug Interactions
Use in Specific Populations
Administration & Monitoring
Overdosage
Pharmacology
Clinical Studies
How Supplied
Images
Patient Counseling Information
Precautions with Alcohol
Brand Names
Look-Alike Names

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Gerald Chi

Disclaimer

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Black Box Warning

WARNINGS
See full prescribing information for complete Boxed Warning.
Mortality:
  • In the National Heart, Lung and Blood Institute's Cardiac Arrhythmia Suppression Trial (CAST), a long-term, multicentered, randomized, double-blind study in patients with asymptomatic non-life-threatening ventricular arrhythmias who had a myocardial infarction more than six days but less than two years previously, an excessive mortality or non-fatal cardiac arrest rate (7.7%) was seen in patients treated with encainide or flecainide compared with that seen in patients assigned to matched placebo-treated group (3.0%). The average duration of treatment with encainide or flecainide in this study was ten months.
  • The applicability of the CAST results to other populations (e.g., those without recent myocardial infarctions) is uncertain. Considering the known proarrhythmic properties of procainamide and the lack of evidence of improved survival for any antiarrhythmic drug in patients without life-threatening arrhythmias, the use of procainamide as well as other antiarrhythmic agents should be reserved for patients with life-threatening ventricular arrhythmias.

Blood Dyscrasias:

  • Agranulocytosis, bone marrow depression, neutropenia, hypoplastic anemia and thrombocytopenia in patients receiving procainamide hydrochloride have been reported at a rate of approximately 0.5%. Most of these patients received procainamide within the recommended dosage range. Fatalities have occurred (with approximately 20−25 percent mortality in reported cases of agranulocytosis). Since most of these events have been noted during the first 12 weeks of therapy, it is recommended that complete blood counts including white cell, differential and platelet counts be performed at weekly intervals for the first three months of therapy, and periodically thereafter. Complete blood counts should be performed promptly if the patient develops any signs of infection (such as fever, chills, sore throat or stomatitis), bruising or bleeding. If any of these hematologic disorders are identified, procainamide therapy should be discontinued. Blood counts usually return to normal within one month of discontinuation. Caution should be used in patients with pre-existing marrow failure or cytopenia of any type.

Overview

Procainamide is a antiarrhythmic that is FDA approved for the {{{indicationType}}} of ventricular arrhythmias, such as sustained ventricular tachycardia. There is a Black Box Warning for this drug as shown here. Common adverse reactions include hypotension and dysrrhythmia.

Adult Indications and Dosage

FDA-Labeled Indications and Dosage (Adult)

Condition1
  • Dosing Information
  • Dosage
Condition2
  • Dosing Information
  • Dosage
Condition3
  • Dosing Information
  • Dosage
Condition4
  • Dosing Information
  • Dosage

Off-Label Use and Dosage (Adult)

Guideline-Supported Use

Condition1
  • Developed by:
  • Class of Recommendation:
  • Strength of Evidence:
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding Off-Label Guideline-Supported Use of Procainamide in adult patients.

Non–Guideline-Supported Use

Condition1
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding Off-Label Non–Guideline-Supported Use of Procainamide in adult patients.

Pediatric Indications and Dosage

FDA-Labeled Indications and Dosage (Pediatric)

Condition1
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding FDA-Labeled Use of Procainamide in pediatric patients.

Off-Label Use and Dosage (Pediatric)

Guideline-Supported Use

Condition1
  • Developed by:
  • Class of Recommendation:
  • Strength of Evidence:
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding Off-Label Guideline-Supported Use of Procainamide in pediatric patients.

Non–Guideline-Supported Use

Condition1
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding Off-Label Non–Guideline-Supported Use of Procainamide in pediatric patients.

Contraindications

  • Condition1

Warnings

WARNINGS
See full prescribing information for complete Boxed Warning.
Mortality:
  • In the National Heart, Lung and Blood Institute's Cardiac Arrhythmia Suppression Trial (CAST), a long-term, multicentered, randomized, double-blind study in patients with asymptomatic non-life-threatening ventricular arrhythmias who had a myocardial infarction more than six days but less than two years previously, an excessive mortality or non-fatal cardiac arrest rate (7.7%) was seen in patients treated with encainide or flecainide compared with that seen in patients assigned to matched placebo-treated group (3.0%). The average duration of treatment with encainide or flecainide in this study was ten months.
  • The applicability of the CAST results to other populations (e.g., those without recent myocardial infarctions) is uncertain. Considering the known proarrhythmic properties of procainamide and the lack of evidence of improved survival for any antiarrhythmic drug in patients without life-threatening arrhythmias, the use of procainamide as well as other antiarrhythmic agents should be reserved for patients with life-threatening ventricular arrhythmias.

Blood Dyscrasias:

  • Agranulocytosis, bone marrow depression, neutropenia, hypoplastic anemia and thrombocytopenia in patients receiving procainamide hydrochloride have been reported at a rate of approximately 0.5%. Most of these patients received procainamide within the recommended dosage range. Fatalities have occurred (with approximately 20−25 percent mortality in reported cases of agranulocytosis). Since most of these events have been noted during the first 12 weeks of therapy, it is recommended that complete blood counts including white cell, differential and platelet counts be performed at weekly intervals for the first three months of therapy, and periodically thereafter. Complete blood counts should be performed promptly if the patient develops any signs of infection (such as fever, chills, sore throat or stomatitis), bruising or bleeding. If any of these hematologic disorders are identified, procainamide therapy should be discontinued. Blood counts usually return to normal within one month of discontinuation. Caution should be used in patients with pre-existing marrow failure or cytopenia of any type.
  • Description

Precautions

  • Description

Adverse Reactions

Clinical Trials Experience

There is limited information regarding Clinical Trial Experience of Procainamide in the drug label.

Body as a Whole
Cardiovascular
Digestive
Endocrine
Hematologic and Lymphatic
Metabolic and Nutritional
Musculoskeletal
Neurologic
Respiratory
Skin and Hypersensitivy Reactions
Special Senses
Urogenital
Miscellaneous

Postmarketing Experience

There is limited information regarding Postmarketing Experience of Procainamide in the drug label.

Body as a Whole
Cardiovascular
Digestive
Endocrine
Hematologic and Lymphatic
Metabolic and Nutritional
Musculoskeletal
Neurologic
Respiratory
Skin and Hypersensitivy Reactions
Special Senses
Urogenital
Miscellaneous

Drug Interactions

  • Drug
  • Description

Use in Specific Populations

Pregnancy

Pregnancy Category (FDA):

  • Pregnancy Category


Pregnancy Category (AUS):

  • Australian Drug Evaluation Committee (ADEC) Pregnancy Category

There is no Australian Drug Evaluation Committee (ADEC) guidance on usage of Procainamide in women who are pregnant.

Labor and Delivery

There is no FDA guidance on use of Procainamide during labor and delivery.

Nursing Mothers

There is no FDA guidance on the use of Procainamide with respect to nursing mothers.

Pediatric Use

There is no FDA guidance on the use of Procainamide with respect to pediatric patients.

Geriatic Use

There is no FDA guidance on the use of Procainamide with respect to geriatric patients.

Gender

There is no FDA guidance on the use of Procainamide with respect to specific gender populations.

Race

There is no FDA guidance on the use of Procainamide with respect to specific racial populations.

Renal Impairment

There is no FDA guidance on the use of Procainamide in patients with renal impairment.

Hepatic Impairment

There is no FDA guidance on the use of Procainamide in patients with hepatic impairment.

Females of Reproductive Potential and Males

There is no FDA guidance on the use of Procainamide in women of reproductive potentials and males.

Immunocompromised Patients

There is no FDA guidance one the use of Procainamide in patients who are immunocompromised.

Administration and Monitoring

Administration

  • Intravenous

Monitoring

There is limited information regarding Monitoring of Procainamide in the drug label.

Condition1
  • Description

IV Compatibility

There is limited information regarding IV Compatibility of Procainamide in the drug label.

Overdosage

Acute Overdose

Signs and Symptoms

  • Description

Management

  • Description

Chronic Overdose

There is limited information regarding Chronic Overdose of Procainamide in the drug label.

Pharmacology

There is limited information regarding Procainamide Pharmacology in the drug label.

Mechanism of Action

Structure

This image is provided by the National Library of Medicine.

Pharmacodynamics

There is limited information regarding Pharmacodynamics of Procainamide in the drug label.

Pharmacokinetics

There is limited information regarding Pharmacokinetics of Procainamide in the drug label.

Nonclinical Toxicology

There is limited information regarding Nonclinical Toxicology of Procainamide in the drug label.

Clinical Studies

There is limited information regarding Clinical Studies of Procainamide in the drug label.

Condition1
  • Description

How Supplied

Storage

There is limited information regarding Procainamide Storage in the drug label.

Images

Drug Images

{{#ask: Page Name::Procainamide |?Pill Name |?Drug Name |?Pill Ingred |?Pill Imprint |?Pill Dosage |?Pill Color |?Pill Shape |?Pill Size (mm) |?Pill Scoring |?NDC |?Drug Author |format=template |template=DrugPageImages |mainlabel=- |sort=Pill Name }}

Package and Label Display Panel

{{#ask: Label Page::Procainamide |?Label Name |format=template |template=DrugLabelImages |mainlabel=- |sort=Label Page }}

Patient Counseling Information

There is limited information regarding Patient Counseling Information of Procainamide in the drug label.

Precautions with Alcohol

  • Alcohol-Procainamide interaction has not been established. Talk to your doctor about the effects of taking alcohol with this medication.

Brand Names

Look-Alike Drug Names

  • Procanbid® — probenecid[2]
  • Procanbid® — Procan SR®[2]

Drug Shortage Status

Price

References

The contents of this FDA label are provided by the National Library of Medicine.

  1. ↑ "PROCAINAMIDE HYDROCHLORIDE injection, solution".
  2. ↑ 2.0 2.1 "http://www.ismp.org". External link in |title= (help)


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