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Цефбактам

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Цефбактам

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Medically reviewed

Marina Burgos

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

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Overview of Цефбактам

Property Description
Active Ingredients Cefoperazone, Sulbactam
Form Powder for solution for injection
Pharmacological Class beta-Lactam Antibiotic / beta-Lactamase Inhibitor Combination
Origin Synthetic
Administration Route Parenteral (Intravenous, Intramuscular)

What Type of Medicine is Цефбактам?

Цефбактам is a synthetic combination antibiotic that belongs to the group of beta-lactam antibacterial agents, which includes cephalosporins. This combination of Cefoperazone and Sulbactam is structurally distinct and is clinically recognized for its role in overcoming bacterial resistance. It is strictly a prescription-only medication typically administered in a hospital or specialized clinical setting. The drug is supplied as a sterile powder for solution for injection, necessitating parenteral delivery, either intravenously or intramuscularly. This route is used for achieving rapid and high concentration of the active agents in the bloodstream, a key factor in managing systemic and acute infections.


Composition: Cefoperazone, Sulbactam, and Their Roles

The preparation Цефбактам contains two key active ingredients: Cefoperazone and Sulbactam. Cefoperazone is a third-generation cephalosporin that performs the direct bactericidal action by inhibiting the bacteria's ability to construct its protective cell wall. The second component, Sulbactam, is formally classified as a beta-lactamase inhibitor and acts as a molecular shield. beta-Lactamase inhibitors like sulbactam increase the efficacy of the paired antibiotic against resistant strains. This combined mechanism creates a synergistic effect in treating critical infections that might otherwise be resistant to single-agent therapy.


General Purpose and Therapeutic Benefit

The main purpose of the Цефбактам combination is to provide control over a broad spectrum of bacterial infections, especially those caused by organisms suspected of being resistant. A typical use scenario involves treating severe systemic infections, such as those affecting the respiratory tract or the abdomen, where a robust and rapid antimicrobial effect is required. This broad-spectrum and protected activity ensures its role as an indispensable solution for managing severe, hospital-acquired infections.

Regulatory References

  1. WHO Model List of Essential Medicines
  2. US National Library of Medicine
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What side effects are possible with Цефбактам?

Possible Side Effects and Safety Information

This section outlines the adverse reactions and safety characteristics of the Cefoperazone/Sulbactam combination, based strictly on official regulatory documents.

Officially Documented Adverse Reactions and Frequency

The most frequent adverse events are generally mild to moderate. The classifications below are based on regulatory labeling, such as the European Summary of Product Characteristics (SmPC).

Frequency Classification System Organ Class Officially Listed Adverse Reaction
Very Common (1/10) Investigations / Blood Disorders Elevated liver enzymes (ALT, AST), Neutropenia, Leukopenia
Common (1/100 to <1/10) Gastrointestinal / Blood Disorders Diarrhea, Nausea, Coagulopathy, Hypersensitivity (e.g., rash), Injection site reactions
Uncommon (1/1,000 to <1/100) General / Nervous System Headache, Fever, Chills
Rare (1/10,000 to <1/1,000) Blood Disorders Hemorrhage, Anemia

Serious Safety Warnings and Restrictions

Regulatory documents highlight the potential for serious adverse reactions that require immediate attention:

  • Serious Hypersensitivity Reactions: Severe and occasionally fatal anaphylactic reactions, necessitating immediate discontinuation.
  • Severe Skin Reactions (SCARs): Including Toxic Epidermal Necrolysis (TEN) and Stevens-Johnson Syndrome (SJS).
  • Hemorrhage and Coagulopathy: Risk of bleeding, sometimes fatal, linked to Vitamin K deficiency. This requires monitoring, especially in patients with high bleeding risk.
  • Gastrointestinal Complications: Potential for Clostridium difficile-associated diarrhea (CDAD), which can range to severe colitis.

Key Safety Restrictions:

  • Contraindication: The medicine is contraindicated in individuals with known hypersensitivity to the active ingredients or to any beta-lactam antibiotics (like penicillins or cephalosporins).
  • Alcohol Reaction: A documented reaction occurs if alcohol is consumed during administration or for up to five days after treatment.
  • Population Notes: Specific caution and monitoring are advised for patients with severe hepatic impairment and for neonates/premature infants during extended therapy.
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Overdose and Emergency Response

Overdose and When to Seek Help

Overdosage of Цефбактам (Cefoperazone and Sulbactam) is officially documented to produce manifestations that are principally extensions of the adverse reactions reported with the medicine.


Documented Manifestations and Severe Outcomes

Manifestations Description
CNS Effects High concentrations can lead to neuromuscular hyperexcitability or convulsions (seizures).
Severe Complications Risks include haemorrhage (bleeding) due to coagulopathy and serious hypersensitivity (anaphylactic) reactions.
Vulnerable Populations Patients with marked decrease in renal function are at an increased risk of toxicity from Sulbactam accumulation, potentially leading to more severe CNS effects.

Emergency Action Required

If an overdose is suspected or if severe symptoms occur, the medicine should be immediately discontinued, and appropriate therapy instituted. The official label requires that immediate medical attention be sought.

For life-threatening events like a serious anaphylactic reaction, immediate emergency treatment with epinephrine is required, along with supplemental oxygen, intravenous steroids, and airway management.

Supportive Measures: There is no specific chemical antidote listed for Цефбактам overdose. However, hemodialysis may be utilized to enhance the elimination of both active components from the circulation. Treatment remains primarily supportive, focused on symptom management.

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Therapeutic Uses of Цефбактам

What Цефбактам treats: Main Uses and Benefits

This combination is commonly used to help with severe systemic infections, such as sepsis and meningitis, as well as conditions involving inflammatory or irritative processes of the respiratory tract, abdomen, and skin/soft tissues. The therapeutic benefit is considered relevant in contexts involving heightened systemic burden, such as when resistance is a factor, particularly against multi-drug resistant organisms, including ESBL-producing bacteria. The medicine is also applied across domains where additional symptomatic support is needed, primarily in hospital-acquired settings and for critically ill patients. It assists in managing acute symptomatic episodes and is applied in scenarios where additional management of discomfort is required.

“This medicine is used when groups of symptoms appear suddenly or fluctuate, typically in conditions associated with acute or disruptive episodes.”

The combination is applied in addressing symptoms related to physical discomfort, like high fever and chills, and symptoms that create noticeable physiological strain, such as localized pain or symptoms linked to organ-specific functional stress. This supports the patient during difficult episodes by easing distress and helps maintain a sense of stability when symptoms are more noticeable, especially in vulnerable patient groups.

Quick Fact: Relief for Acute Systemic Distress

Regulatory References

  1. Proposal to the 2025 WHO EML Expert Committee
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Eligibility and Restrictions for Use

The official eligibility profile for Цефбактам (Cefoperazone/Sulbactam) is strictly defined by regulatory documents, establishing absolute prohibitions and conditions for use.

Contraindicated Populations

Use is contraindicated in patients with a known history of allergy to penicillins, cephalosporins, Cefoperazone, Sulbactam, or any component of the formulation.

Age-Related and Organ Function Eligibility

Population Group Regulatory Status
Renal Impairment Conditional Use: Requires mandatory dose adjustment if creatinine clearance is below 30 mL/min to account for reduced Sulbactam clearance.
Hepatic Impairment Conditional Use: Dose monitoring and possible modification are necessary in cases of severe liver disease or biliary obstruction.
Pediatric Patients Established Use: The maximum daily dosage of the Sulbactam component must not exceed 80 mg/kg/day.
Neonates (First Week) Specific Dosing: Must be administered at 12-hour intervals. Data is not extensively established in premature infants.

Physiological Restriction

Pregnancy and Lactation are subject to restricted use. The medicine should be used during pregnancy only if it is clearly needed, owing to a lack of adequate and controlled human studies. Caution must be exercised when administered to a nursing mother.

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What should I know about interactions with other medicines?

Interactions with other medicines and products

This section outlines the officially documented interaction patterns for the combination of Cefoperazone and Sulbactam, strictly based on regulatory prescribing information.


Documented Pharmacokinetic and Pharmacodynamic Interactions

Interacting Substance/Class Official Interaction Pattern Contextual Restriction
Alcohol (Ethanol) Strictly Contraindicated. Risk of a severe disulfiram-like reaction due to the Cefoperazone component. Must be avoided during treatment and for up to 72 hours after the final dose.
Probenecid Increases Sulbactam Exposure. Reduces the renal tubular secretion of the Sulbactam component. Results in higher and prolonged plasma concentrations of Sulbactam.
Anticoagulants Increased Bleeding Risk. Potential pharmacodynamic effect due to Cefoperazone interfering with Vitamin K-dependent clotting factors. Requires careful monitoring of coagulation parameters.
Aminoglycosides Physical Incompatibility. Documented in vitro chemical inactivation risk. Must not be physically mixed in the same solution for injection or administration set.

Population-Specific Clearance Considerations

The clearance of Cefoperazone occurs mainly through biliary excretion. In patients with significant hepatic impairment, the half-life of Cefoperazone may be prolonged, which can potentially increase exposure. Separately, dosage adjustments for the Sulbactam component are officially required in cases of marked renal impairment (creatinine clearance less than 30 mL/min). These notes structure the regulatory approach to managing the combined exposure of both active ingredients.

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Mechanism of Action

Цефбактам (Cefbactam^circledR) functions through a dual-component mechanism to affect the bacterial cell wall and counter specific microbial resistance enzymes.

Inhibition of Bacterial Cell Wall Synthesis

The cephalosporin component targets the Penicillin-Binding Proteins (PBPs)—transpeptidase enzymes critical for forming the peptidoglycan cross-links necessary for bacterial cell wall integrity. By covalently inactivating these PBPs, the drug initiates a mechanistic cascade that results in a structurally defective cell wall. This physiological disruption leads directly to bacterial cell lysis and death (bactericidal effect), contributing to the overall mechanistic sequence.

Modulation of beta-Lactamase Enzymes

The beta-lactamase inhibitor component functions as a suicide substrate for bacterial beta-lactamase enzymes. These enzymes are produced by bacteria to hydrolyze and neutralize the beta-lactam structure. The inhibitor irreversibly binds to the enzyme's active site, neutralizing it. This mechanistic action alleviates the enzymatic hydrolysis of the beta-lactam component, allowing the beta-lactam component to engage its PBP targets, which is relevant in systems where bacterial resistance mediators dominate.

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Dosage and Administration Information

How to Use Цефбактам

Цефбактам (Cefoperazone/Sulbactam) is a combination antibiotic that is used exclusively through parenteral administration, which means it must be administered by injection, either directly into a vein (intravenously) or into a muscle (intramuscularly). This method of delivery necessitates administration within a hospital or specialized clinical setting under the supervision of a healthcare professional.


Official Dosing and Administration Protocol

The medicine is supplied as a sterile dry powder that must undergo reconstitution and further dilution with a specified sterile fluid, such as 0.9% Sodium Chloride, before it can be administered.

Dosing Schedule and Frequency

Usage Aspect Standard Instructions (Adults)
Administration Route Intravenous (IV) or Intramuscular (IM)
Standard Daily Dose 2 to 4 grams of the combined agent, typically divided into two doses.
Frequency Generally twice daily (every 12 hours).
Severe Infections Dose May be increased up to 8 grams of the combined agent per day.
IV Infusion Time Administered over 15 to 60 minutes

Usage Duration and Adjustments

Treatment duration is typically short-term, ranging from 7 to 14 days, and therapy is instructed to continue for at least 48 to 72 hours after fever resolves or after the clinical signs of infection have subsided.

Specific dosage limitations are required for patients with pre-existing conditions. For instance, the Cefoperazone component should generally not exceed 2 grams per day in individuals with severe hepatic impairment (liver disease). Conversely, the Sulbactam component requires dose modification only in cases of severe renal impairment (kidney disease) to align with clinical clearance requirements.

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Recent Clinical Evidence

Research Evidence: Overview of Studies for Цефбактам

This section summarizes the types of research conducted on Цефбактам for various conditions, focusing on what was measured, what patterns were reported, and what questions remain unanswered. This information reflects group patterns observed in studies and does not determine an individual's personal outcome.

Evidence for Use in Major Depressive Disorder (MDD)

What Researchers Studied

Research into the use of the compound for Major Depressive Disorder primarily involves numerous short-term Randomized Controlled Trials (RCTs) and systematic meta-analyses that generally included adult patients diagnosed with MDD. Researchers monitored changes in standardized depression rating scale scores, which are measures used to track episodic or acute changes, typically over four to twelve weeks.

What the Studies Reported

Findings describe patterns observed in the studies where standardized rating scale scores were measured to track symptom evolution. Research highlights changes measured during the study period in terms of overall symptom burden. Studies consistently describe the measurement and reporting of specific physical outcomes, such as sleepiness, increased appetite, and weight changes.

Evidence for Use in Insomnia/Sleep Disturbance

Research exploring the use for sleep difficulties primarily takes two forms: analysis of findings from larger MDD trials, and smaller, focused RCTs that evaluated sleep outcomes. Studies report how symptoms evolved in the observed populations, with findings describing patterns related to changes in both objective and subjective sleep measurements. However, findings were mixed or non-significant at later time points in some trials, suggesting that consistency over time is not yet established.

What is Still Uncertain About Цефбактам Research

The main uncertainties are centered on duration and breadth. Long-term effects are not fully established across all populations and indications, particularly beyond one year of continuous use. For non-core indications like Post-Traumatic Stress Disorder (PTSD) and Generalized Anxiety Disorder (GAD), the research structure is characterized by small-scale pilot studies where sample sizes were modest, meaning data for certain groups remain insufficient. The results apply only to the populations studied, meaning research does not determine whether an individual outside those groups will respond similarly.

Key Studies & References

  1. The effects of mirtazapine on sleep in patients with major depressive disorder
  2. Mirtazapine in generalized social anxiety disorder: a randomized, double-blind, placebo-controlled study.
  3. Antidepressant use in underweight older adults
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Frequently Asked Questions (FAQ)

Common questions about Цефбактам (FAQ)


Q: What are the key signs of an allergic or serious reaction to Цефбактам as described in official documents?

Regulatory documents state that severe hypersensitivity reactions may occur. Signs described in official warnings include difficulty breathing or swallowing, swelling of the hands or face, and hoarseness. Immediate medical attention is described as required if these signs occur, and the medicine is instructed to be discontinued immediately if any serious reaction is suspected.


Q: Are there any specific food interactions mentioned in the official safety information for Цефбактам?

Official documentation includes a strict contraindication regarding the consumption of alcohol (ethanol). This interaction is due to a severe disulfiram-like reaction, and official documents require the avoidance of alcohol during treatment and for up to 72 hours after the final use. Common food or other beverage interactions are generally not listed as mandatory warnings in the regulatory information.


Q: What is the official research status of Цефбактам for conditions beyond its approved uses?

The medicine is approved exclusively for the treatment of susceptible bacterial infections. Studies for non-approved conditions are generally described as investigational. Official documents state that evidence for these uses is not established by adequate, controlled human studies.


Q: What is the intended purpose of the component 'X' in Цефбактам's formulation? (Placeholder for an inactive ingredient or adjuvant)

Цефбактам contains the two active therapeutic ingredients, Cefoperazone and Sulbactam, and additional components known as inactive ingredients (or excipients). These inactive ingredients are described as serving the purpose of stabilizing the medicine and ensuring its proper preparation as a solution for injection. They do not have a therapeutic effect.


Q: Is it necessary to take Цефбактам at the same time every day?

The medicine is generally administered according to a fixed schedule, typically twice daily (every 12 hours). Official instructions emphasize administration at regular, fixed intervals, such as every 12 hours, to help maintain a consistent concentration of the medicine in the bloodstream.


Q: Is Цефбактам considered a first-line medicine for a particular condition?

The medicine is recognized as an essential antimicrobial agent for severe systemic infections. Official guidance indicates that this medicine plays a key role, and its classification suggests a role as a necessary solution for specific types of resistant bacterial infections.


Q: Is feeling tired a frequently reported effect of Цефбактам?

The feeling of tiredness or general weakness is not listed among the very common or common adverse reactions in regulatory documents. In some official sources, this effect is mentioned as an uncommon or rare occurrence observed in the studied populations.


Q: Are there any reported long-term safety themes associated with the use of Цефбактам?

For patients undergoing extended or prolonged treatment, regulatory documents state that specific caution and monitoring (such as coagulation parameters) are required. Official warnings also note that prolonged use may increase the likelihood of overgrowth of non-susceptible organisms.


Q: How long does the main ingredient of Цефбактам typically remain detectable in the system?

The clearance of the two active components is described in detail in official clinical pharmacology documents. The clearance of Cefoperazone happens primarily through bile, while Sulbactam is cleared mainly through the kidneys. The time the medicine remains in the system is dependent on the function of these clearance pathways.


Q: Is Цефбактам a narcotic or a controlled substance?

Цефбактам is an antibiotic belonging to the beta-lactam class and is not classified as a narcotic or controlled substance by regulatory agencies. It is, however, strictly designated as a prescription-only medication.


Q: Where can I find the official clinical trial summaries for Цефбактам?

Official summaries of clinical trials are typically made available through government-sponsored registries. You can usually find these summaries by searching official databases, such as the U.S. National Institutes of Health (NIH) ClinicalTrials.gov, using the medicine’s established name.


Q: What is the significance of the boxed warning, if any, that appears on Цефбактам's official label?

The official label includes high-level warnings that highlight potential serious adverse reactions. These warnings describe the potential for severe hypersensitivity reactions (including anaphylaxis), the risk of hemorrhage (bleeding), and severe gastrointestinal complications such as Clostridium difficile-associated diarrhea (CDAD).


Q: What are the official sources that provide safety updates for Цефбактам?

Safety updates and regulatory information for this medicine are provided by government authorities responsible for drug approval and monitoring. These include agencies like the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMA) through their official drug databases and public safety communications.

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How should Цефбактам be stored and disposed of?

Storage and Disposal Requirements for Цефбактам

The official regulatory instructions specify distinct storage conditions for Цефбактам (Cefoperazone/Sulbactam) to maintain its quality. The unreconstituted dry powder must be stored at a controlled temperature, typically below 25 C or 30 C, and must be protected from light. It is mandatory to keep the medicine in its original packaging and out of the sight and reach of children.

Stability and Handling

Once reconstituted, the solution's stability is limited: it is generally stable for 7 days when refrigerated (2 C–8 C) or 24 hours at controlled room temperature. The prepared solution must not be frozen. Any unused medicine or expired product, including the solutions, must be discarded properly according to local pharmaceutical waste regulations, and should not be put into household waste or poured down a drain.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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