Chloramphenicol sodium succinate

Chloramphenicol sodium succinate
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: Kiran Singh, M.D. [2]

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Black Box Warning

Warning See full prescribing information for complete Boxed Warning. * Serious and fatal blood dyscrasias (aplastic anemia, hypoplastic anemia, thrombocytopenia and granulocytopenia) are known to occur after the administration of chloramphenicol. In addition, there have been reports of aplastic anemia attributed to chloramphenicol which later terminated in leukemia. Blood dyscrasias have occurred after both short term and prolonged therapy with this drug. Chloramphenicol must not be used when less potentially dangerous agents will be effective, as described in the INDICATIONS section. It must not be used in the treatment of trivial infections or where it is not indicated, as in colds, influenza, infections of the throat; or as a prophylactic agent to prevent bacterial infections. Precautions: It is essential that adequate blood studies be made during treatment with the drug. While blood studies may detect early peripheral blood changes, such as leukopenia, reticulocytopenia or granulocytopenia, before they become irreversible, such studies cannot be relied on to detect bone marrow depression prior to development of aplastic anemia. To facilitate appropriate studies and observation during therapy, it is desirable that patients be hospitalized.

Overview

Chloramphenicol sodium succinate is a {{{drugClass}}} that is FDA approved for the treatment of {{{indication}}}. There is a Black Box Warning for this drug as shown here. Common adverse reactions include .

Adult Indications and Dosage

FDA-Labeled Indications and Dosage (Adult)

Indication

In accord with the concepts in the warning box and this indications section, chloramphenicol must be used only in those serious infections for which less potentially dangerous drugs are ineffective or contraindicated. However, chloramphenicol may be chosen to initiate antibiotic therapy on the clinical impression that one of the conditions below is believed to be present; in vitro sensitivity tests should be performed concurrently so that the drug may be discontinued as soon as possible if less potentially dangerous agents are indicated by such tests. The decision to continue use of chloramphenicol rather than another antibiotic when both are suggested by in vitro studies to be effective against a specific pathogen should be based upon severity of the infection, susceptibility of the pathogen to the various antimicrobial drugs, efficacy of the various drugs in the infection and the important additional concepts contained in the warning box above.

• Acute infections caused by Salmonella typhi*

• It is not recommended for the routine treatment of the typhoid carrier state.

• Serious infections caused by susceptible strains in accordance with the concepts expressed above:

• Salmonella species

• H. influenzae, specifically meningeal infections

• Rickettsia

• Lymphogranuloma-psittacosis group

• Various gram-negative bacteria causing bacteremia, meningitis or other gram-negative infections.

• Other susceptible organisms which have been demonstrated to be resistant to all other appropriate antimicrobial agents.

• Cystic fibrosis regimens

Dosage

• Adults should receive 50 mg/kg/day in divided doses at 6-hour intervals. In exceptional cases patients with infections due to moderately resistant organisms may require increased dosage up to 100 mg/kg/day to achieve blood levels inhibiting the pathogen, but these high doses should be decreased as soon as possible. Adults with impairment of hepatic or renal function or both may have reduced ability to metabolize and excrete the drug. In instances of impaired metabolic processes, dosages should be adjusted accordingly.Precise control of concentration of the drug in the blood should be carefully followed in patients with impaired metabolic processes by the available microtechniques.

Off-Label Use and Dosage (Adult)

Guideline-Supported Use

• There is limited information regarding Off-Label Guideline-Supported Use of Chloramphenicol sodium succinate in adult patients.

Non–Guideline-Supported Use

• There is limited information regarding Off-Label Non–Guideline-Supported Use of Chloramphenicol sodium succinate in adult patients.

Pediatric Indications and Dosage

FDA-Labeled Indications and Dosage (Pediatric)

• There is limited information regarding FDA-Labeled Use of Chloramphenicol sodium succinate in pediatric patients.

Off-Label Use and Dosage (Pediatric)

Guideline-Supported Use

• There is limited information regarding Off-Label Guideline-Supported Use of Chloramphenicol sodium succinate in pediatric patients.

Non–Guideline-Supported Use

• There is limited information regarding Off-Label Non–Guideline-Supported Use of Chloramphenicol sodium succinate in pediatric patients.

Contraindications

• Chloramphenicol is contraindicated in individuals with a history of previous hypersensitivity and/or toxic reaction to it. It must not be used in the treatment of trivial infections or where it is not indicated, as in colds, influenza, infections of the throat; or as a prophylactic agent to prevent bacterial infection.

Warnings

Warning See full prescribing information for complete Boxed Warning. * Serious and fatal blood dyscrasias (aplastic anemia, hypoplastic anemia, thrombocytopenia and granulocytopenia) are known to occur after the administration of chloramphenicol. In addition, there have been reports of aplastic anemia attributed to chloramphenicol which later terminated in leukemia. Blood dyscrasias have occurred after both short term and prolonged therapy with this drug. Chloramphenicol must not be used when less potentially dangerous agents will be effective, as described in the INDICATIONS section. It must not be used in the treatment of trivial infections or where it is not indicated, as in colds, influenza, infections of the throat; or as a prophylactic agent to prevent bacterial infections. Precautions: It is essential that adequate blood studies be made during treatment with the drug. While blood studies may detect early peripheral blood changes, such as leukopenia, reticulocytopenia or granulocytopenia, before they become irreversible, such studies cannot be relied on to detect bone marrow depression prior to development of aplastic anemia. To facilitate appropriate studies and observation during therapy, it is desirable that patients be hospitalized.

There is limited information regarding Chloramphenicol sodium succinate Warnings' in the drug label.

Adverse Reactions

Clinical Trials Experience

Blood Dyscrasias

• The most serious adverse effect of chloramphenicol is bone marrow depression. Serious and fatal blood dyscrasias (aplastic anemia, hypoplastic anemia, thrombocytopenia and granulocytopenia) are known to occur after the administration of chloramphenicol. An irreversible type of marrow depression leading to aplastic anemia with a high rate of mortality is characterized by the appearance weeks or months after therapy of bone marrow aplastia or hypoplasia. Peripherally, pancytopenia is most often observed, but in a small number of cases only one or two of the three major cell types (erythrocytes, leukocytes, platelets) may be depressed.

• A reversible type of bone marrow depression, which is dose related, may occur. This type of marrow depression is characterized by vacuolization of the erythroid cells, reduction of reticulocytes and leukopenia, and responds promptly to the withdrawal of chloramphenicol.

• An exact determination of the risk of serious and fatal blood dyscrasias is not possible because of lack of accurate information regarding 1) the size of the population at risk, 2) the total number of drug-associated dyscrasias, 3) the total number of non-drug associated dyscrasias.

• In a report to the California State Assembly by the California Medical Association and the State Department of Public Health in January 1967, the risk of fatal aplastic anemia was estimated at 1:24,200 to 1:40,500 based on two dosage levels.

• There have been reports of aplastic anemia attributed to chloramphenicol which later terminated in leukemia.

• Paroxysmal nocturnal hemoglobinuria has also been reported.

Gastrointestinal Reactions

• Nausea, vomiting, glossitis and stomatitis, diarrhea and enterocolitis may occur in low incidence.

Neurotoxic Reactions

• Headache, mild depression, mental confusion and delirium have been described in patients receiving chloramphenicol; optic and peripheral neuritis have been reported, usually following long-term therapy. If this occurs, the drug should be promptly withdrawn.

Hypersensitivity Reactions

• Fever, macular and vesicular rashes, angioedema, urticaria and anaphylaxis may occur. Herxheimer reactions have occurred during therapy for typhoid fever.

"'Gray Syndrome"'

• Toxic reactions including fatalities have occurred in the premature and newborn; the signs and symptoms associated with these reactions have been referred to as the gray syndrome. One case of gray syndrome has been reported in an infant born to a mother having received chloramphenicol during labor. One case has been reported in a 3-month old infant. The following summarizes the clinical and laboratory studies that have been made on these patients:

a) In most cases therapy with chloramphenicol had been instituted within the first 48 hours of life.

b) Symptoms first appeared after 3 to 4 days of continued treatment with high doses of chloramphenicol.

c)The symptoms appeared in the following order:

1)Abdominal distension with or without emesis;

2)Progressive pallid cyanosis;

3)Vasomotor collapse, frequently accompanied by irregular respiration;

4) Death within a few hours of onset of these symptoms.

d) The progression of symptoms from onset to exitus was accelerated with higher dose schedules.

e) Preliminary blood serum level studies revealed unusually high concentrations of chloramphenicol (over 90 mcg/mL after repeated doses).

f) Termination of therapy upon early evidence of the associated symptomatology frequently reversed the process with complete recovery.

Postmarketing Experience

• There is limited information regarding Postmarketing Experience of Chloramphenicol sodium succinate in the drug label.

Drug Interactions

There is limited information regarding Chloramphenicol sodium succinate Drug Interactions in the drug label.

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 Chloramphenicol sodium succinate in women who are pregnant.

Labor and Delivery

There is no FDA guidance on use of Chloramphenicol sodium succinate during labor and delivery.

Nursing Mothers

There is no FDA guidance on the use of Chloramphenicol sodium succinate with respect to nursing mothers.

Pediatric Use

There is no FDA guidance on the use of Chloramphenicol sodium succinate with respect to pediatric patients.

Geriatic Use

There is no FDA guidance on the use of Chloramphenicol sodium succinate with respect to geriatric patients.

Gender

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

Race

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

Renal Impairment

There is no FDA guidance on the use of Chloramphenicol sodium succinate in patients with renal impairment.

Hepatic Impairment

There is no FDA guidance on the use of Chloramphenicol sodium succinate in patients with hepatic impairment.

Females of Reproductive Potential and Males

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

Immunocompromised Patients

There is no FDA guidance one the use of Chloramphenicol sodium succinate in patients who are immunocompromised.

Administration and Monitoring

Administration

• Intravenous

• Chloramphenicol, like other potent drugs, should be prescribed at recommended doses known to have therapeutic activity. Administration of 50 mg/kg/day in divided doses will produce blood levels of the magnitude to which the majority of susceptible microorganisms will respond.

• As soon as feasible an oral dosage form of chloramphenicol should be substituted for the IV form because adequate blood levels are achieved with chloramphenicol by mouth.

• The following method of administration is recommended:

• Intravenously as a 10% (100 mg/mL) solution to be injected over at least a one-minute interval. This is prepared by the addition of 10 mL of an aqueous diluent such as Water for Injection or 5% Dextrose Injection.

• Chloramphenicol sodium succinate for injection is intended for IV use only. It has been demonstrated to be ineffective when given intramuscularly.

• Chloramphenicol sodium succinate for injection must be hydrolyzed to its microbiologically active form and there is a big lag in achieving adequate blood levels compared with the base given IV.

• The oral form of chloramphenicol is readily absorbed and adequate blood levels are achieved and maintained on the recommended dosage.

• Patients started on IV chloramphenicol sodium succinate for injection should be changed to the oral form as soon as practicable.

Monitoring

• There is limited information regarding Monitoring of Chloramphenicol sodium succinate in the drug label.

IV Compatibility

• There is limited information regarding IV Compatibility of Chloramphenicol sodium succinate in the drug label.

Overdosage

• There is limited information regarding Chronic Overdose of Chloramphenicol sodium succinate in the drug label.

Pharmacology

Template:Px
Chloramphenicol sodium succinate
Systematic (IUPAC) name
2,2-dichloro-N-[1,3-dihydroxy-1-(4-nitrophenyl)propan-2-yl]acetamide
Identifiers
CAS number	56-75-7
ATC code	D06AX02 D10AF03 (WHO) G01AA05 (WHO) J01BA01 (WHO) S01AA01 (WHO) S02AA01 (WHO) S03AA08 (WHO) Template:ATCvet
PubChem	298
DrugBank	DB00446
Chemical data
Formula	Template:OrganicBox atomTemplate:OrganicBox atomTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBox atomTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBox atomTemplate:OrganicBoxTemplate:OrganicBox atomTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBox
Mol. mass	323.1320 g/mol
SMILES	eMolecules & PubChem
Pharmacokinetic data
Bioavailability	75–90%
Protein binding	60%
Metabolism	Hepatic
Half life	1.6-3.3 hours
Excretion	Renal (5-15%), faeces (4%)
Therapeutic considerations
Licence data	US
Pregnancy cat.	A(AU) C(US)
Legal status	Prescription Only (S4)(AU) ?(CA) POM(UK) [[Prescription drug|Template:Unicode-only]](US)
Routes	Topical (ocular), oral, IV, IM

Mechanism of Action

• In vitro chloramphenicol exerts mainly a bacteriostatic effect on a wide range of gram negative and gram-positive bacteria and is active in vitro against rickettsias, the lymphogranulomapsittacosis group and Vibrio cholerae. It is particularly active against Salmonella typhi and Hemophilus influenzae. The mode of action is through interference or inhibition of protein synthesis in intact cells and in cell-free systems.

Structure

There is limited information regarding Chloramphenicol sodium succinate Structure in the drug label.

Pharmacodynamics

• There is limited information regarding Pharmacodynamics of Chloramphenicol sodium succinate in the drug label.

Pharmacokinetics

• Chloramphenicol administered orally is absorbed rapidly from the intestinal tract. In controlled studies in adult volunteers using the recommended dosage of 50 mg/kg/day, a dosage of 1 g every 6 hours for 8 doses was given. Using the microbiological assay method, the average peak serum level was 11.2 mcg/mL one hour after the first dose. A cumulative effect gave a peak rise to 18.4 mcg/mL after the fifth dose of 1 g. Mean serum levels ranged from 8 to 14 mcg/mL over the 48-hour period. Total urinary excretion of chloramphenicol in these studies ranged from a low of 68% to a high of 99% over a three-day period. From 8 to 12% of the antibiotic excreted is in the form of free chloramphenicol; the remainder consists of microbiologically inactive metabolites, principally the conjugate with glucuronic acid. Since the glucuronide is excreted rapidly, most chloramphenicol detected in the blood is in the microbiologically active free form. Despite the small proportion of unchanged drug excreted in the urine, the concentration of free chloramphenicol is relatively high, amounting to several hundred mcg/mL in patients receiving divided doses of 50 mg/kg/day. Small amounts of active drug are found in bile and feces. Chloramphenicol diffuses rapidly, but its distribution is not uniform. Highest concentrations are found in liver and kidney, and lowest concentrations are found in brain and cerebrospinal fluid. Chloramphenicol enters cerebrospinal fluid even in the absence of meningeal inflammation, appearing in concentrations about half of those found in blood. Measurable levels are also detected in pleural and in ascitic fluids, saliva, milk and in the aqueous and vitreous humors. Transport across the placental barrier occurs with somewhat lower concentration in cord blood of newborn infants than in maternal blood.

Nonclinical Toxicology

• There is limited information regarding Nonclinical Toxicology of Chloramphenicol sodium succinate in the drug label.

Clinical Studies

• There is limited information regarding Clinical Studies of Chloramphenicol sodium succinate in the drug label.

How Supplied

• Chloramphenicol Sodium Succinate for Injection, USP is freeze-dried in the vial. When reconstituted as directed, each vial contains a sterile solution equivalent to 100 mg of chloramphenicol per mL (1g/10mL).

This image is provided by the National Library of Medicine.

Storage

• Store at 20° to 25°C (68° to 77°F).

Images

Drug Images

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Package and Label Display Panel

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Patient Counseling Information

There is limited information regarding Patient Counseling Information of Chloramphenicol sodium succinate in the drug label.

Precautions with Alcohol

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

Brand Names

• CHLORAMPHENICOL SODIUM SUCCINATE ®

Look-Alike Drug Names

• A® — B®

Drug Shortage Status

Price

References

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

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