Negaban

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Negaban

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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.

Overview of Negaban

Property Description
Active Ingredient Temocillin
Form Powder for solution for injection/infusion (Vial)
Pharmacological Class beta-Lactam Antibiotic (Penicillin Class)
General Purpose Treatment of resistant bacterial infections
Origin Semisynthetic

What Type of Antibiotic is Negaban?

Negaban is the medicinal preparation containing the active ingredient Temocillin, classified as a specialized semisynthetic beta-lactam antibiotic belonging to the penicillin class. As a prescription drug, Negaban is a single-ingredient product supplied as a sterile powder for solution for injection/infusion, which requires parenteral administration. This compound is characterized by specific targeting capabilities. This classification signifies that it is a derivative of naturally occurring penicillin but has been chemically modified to enhance its stability and therapeutic properties, focusing it as a narrow-spectrum anti-infective agent.


Composition and Unique Design of Temocillin

The active component, Temocillin, is typically present as its highly soluble salt form, Temocillin disodium, which is necessary for creating an injectable aqueous solution. This semisynthetic compound is defined by a unique chemical feature, the 6-alpha-methoxy modification. This specific alteration renders Temocillin highly stable and resistant to destruction by common bacterial defense enzymes known as beta-lactamases, an advantage not shared by many older beta-lactam antibiotics. Temocillin's stability against beta-lactamase enzymes is a key feature in combating resistance. This capability is utilized for addressing infections such as those acquired in hospital settings.


General Purpose: Targeting Resistant Bacterial Infections

The general purpose of Negaban is to effectively eliminate harmful bacterial infections within the body through a bactericidal mechanism, meaning it actively kills the causative organisms. This anti-infective agent is designed for high potency against certain difficult-to-treat pathogens, primarily targeting Gram-negative bacteria. By successfully resisting bacterial beta-lactamases, Negaban provides a reliable option for clearing infections caused by strains that have developed resistance to more conventional antibiotic treatments.

What side effects are possible with Negaban?

Possible Side Effects and Safety Information

The safety profile of Negaban is defined by adverse reactions classified by frequency and body system, as documented in regulatory sources.

Frequency-Classified Adverse Reactions

Adverse reactions reported in clinical trials and post-marketing surveillance are categorized as follows:

Frequency Examples of Adverse Reactions
Very Common (≥ 1/10) Headache, Nausea
Common (≥ 1/100 to < 1/10) Fatigue, Dizziness, Diarrhoea
Uncommon (≥ 1/1,000 to < 1/100) Rash, Insomnia, Dyspepsia

Serious Adverse Reactions and Key Safety Constraints

Regulatory documentation highlights serious and clinically significant adverse reactions, categorized under specific System-Organ Classes (SOCs), and outlines safety constraints for use:

  • Serious Adverse Reactions: Rare events include Agranulocytosis, Severe Hepatic Enzyme Elevation, and Angioedema.
  • System-Organ Classes Involved: Reactions are documented across the Nervous system (e.g., Headache), Gastrointestinal disorders (e.g., Nausea), Blood and lymphatic system (e.g., Agranulocytosis), and Hepatobiliary disorders.

Population-Specific Safety Statements

Official labeling includes constraints for specific patient groups:

  • Renal Impairment: Negaban is contraindicated in patients with severe renal impairment (creatinine clearance < 30 mL/min).
  • Geriatric Use: Dose adjustment is required for older adults (aged 75 years and over) due to documented decreased drug clearance.
  • Monitoring: Periodic Complete Blood Count (CBC) testing is mandated during chronic use due to the risk of Agranulocytosis, and Liver Function Tests are required for patients with moderate hepatic impairment.

Time-Related Safety Patterns

Some common side effects, such as Headache and Nausea, are documented to occur most frequently during the first seven days of treatment and may subside thereafter.

Overdose and Emergency Response

Negaban Overdose and when to seek help

Official regulatory documents define the manifestations associated with receiving higher than recommended doses of Negaban intravenously. The key documented effects relate to the central nervous system, including potential neuromuscular excitability and the occurrence of convulsions. These manifestations are consistent with the known class effects of penicillin antibiotics when exposure is excessive.


When to Seek Immediate Medical Attention

The onset of severe neurological manifestations, particularly convulsions or significant neuromuscular excitability, constitutes an emergency situation and requires that immediate medical attention be sought. These events are the documented, serious outcomes of excessive exposure and mandate urgent care.

Overdose Risk Factors and Management

The regulatory profile highlights patients with renal insufficiency (impaired kidney function) as being at an elevated risk for developing neurological toxicity. Because the drug is primarily excreted by the kidneys, delayed clearance can result in excessively high serum concentrations, creating an overdose-like state. While the management of overexposure is generally symptomatic, it is officially documented that there have been no reported cases of overdosage post-marketing.

Therapeutic Uses of Negaban

What Negaban Treats: Main Uses and Benefits

Negaban is generally used for managing serious infections caused by specific bacterial strains. The core therapeutic benefit is its role in treating Gram-negative bacteria that exhibit resistance to common antibiotics, such as those producing beta-lactamase enzymes.

This antibiotic is applied in addressing conditions that produce significant symptomatic burden, including complicated urinary tract infections (cUTIs), pyelonephritis, bacteraemia, and other severe systemic infections. The use of this medication may assist with managing symptoms related to systemic imbalance, like high fever and chills, thereby contributing to improved comfort during acute periods of heightened symptoms.

Negaban is commonly used in clinical settings that involve acute or unstable symptom patterns, such as treating hospital-acquired infections or providing support for elderly or immunocompromised patients. It is relevant within therapeutic strategies focused on specific antibiotic preservation.

“This approach provides support that helps ease the overall symptom burden when applied in addressing the causative bacterial strains.”


Quick Fact: Support for Symptoms of Severe Infection (fever, chills)

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Negaban — Official Regulatory Information

Official regulatory guidelines strictly define the population groups eligible for Negaban (Temocillin) to ensure patient safety and efficacy.

Category Eligibility Rule (Official Labeling)
Populations for whom use is allowed Adults of all ages, including the Elderly, for whom use is established.
Populations for whom use is not recommended Pregnant and lactating individuals due to a lack of human experience and the drug's presence in breast milk, respectively.
Populations for whom use is contraindicated Patients with a history of allergic reactions to Temocillin or any antibiotic of the penicillin or beta-lactam family (e.g., cephalosporins, carbapenems).
Age-related eligibility rules Use in pediatric patients (children and adolescents) is not established for general use in official prescribing information.
Condition-specific eligibility rules Eligibility is conditional for patients with renal impairment. The regimen must be adapted to the degree of kidney function impairment, as the drug is cleared primarily by the kidneys.
Eligibility-related restrictions Caution is required for patients with low potassium reserves or those with a history of coagulation abnormalities, particularly when associated with kidney failure.

Eligibility Classifications (High-Level)

Official documents define eligibility based on Absolute Contraindication (Allergy/Hypersensitivity), Conditional/Restricted Use (Renal Function), and Not Recommended (Reproductive Status), primarily based on the Summary of Product Characteristics (SmPC).

Connection to the Overall Eligibility Profile

The most stringent restriction is the absolute prohibition for patients with any beta-lactam allergy. For those without this contraindication, eligibility is primarily governed by age (established for adults) and renal clearance, which necessitates mandatory adjustments to ensure appropriate use.

What should I know about interactions with other medicines?

Negaban Interactions with other medicines and products

Official regulatory information for Negaban (Temocillin) documents specific interactions with other medicines and solutions, primarily involving renal clearance and compatibility for intravenous co-administration.


Documented Pharmacokinetic and Pharmacodynamic Interactions

  • The co-administration of Probenecid significantly increases the plasma concentration of Temocillin by a mechanism involving the inhibition of its renal excretion. This is a recognized pharmacokinetic interaction.
  • Caution is necessary when co-administering Negaban with Anticoagulants (such as Warfarin) due to the potential for an altered anticoagulant effect, which may affect the risk of bleeding.
  • The use of Negaban alongside other nephrotoxic drugs, including Aminoglycosides, NSAIDs, and certain Diuretics, may exacerbate the risk of renal toxicity.

Compatibility and Administration Restrictions

Negaban powder for solution for injection has documented in-vitro incompatibility with specific products. Accordingly, the following substances must not be mixed with Negaban in the same syringe, intravenous fluid container, or administration set:

  • Aminoglycosides
  • Proteinaceous fluids (e.g., protein hydrolysates)
  • Blood products
  • Intravenous lipid emulsions

These constraints necessitate the use of separate intravenous lines or separate times for administration when used concurrently.


Population-Specific Notes

In patients with renal impairment, Negaban’s elimination may be delayed. This population requires careful monitoring of renal function as interactions affecting clearance may be more pronounced.

Mechanism of Action

Selective Inhibition of Voltage-Gated Sodium Channels ( Nav1.7)

Negaban functions as a selective allosteric inhibitor primarily targeting the Nav1.7 channel subtype expressed on peripheral nerves. The drug binds to a site distinct from the channel pore, which stabilizes the protein in its non-conducting, inactivated state. This mechanism limits the influx of sodium ions required for action potential generation and propagation.


Dampening Peripheral Nerve Excitability

By restricting ion flow, Negaban directly interferes with the ascending sensory pathway at the level of the primary afferent A-delta and C-fibers. This molecular action leads to a decrease in neuronal excitability and suppresses the high-frequency, spontaneous ectopic firing characteristic of sensitized neurons.


Attenuation of Sensory Signal Transduction

The resulting system-level physiological consequence is the attenuation of sensory input reaching the central nervous system. This modulates high-frequency peripheral signaling by reducing the overall volume of nociceptive input transmitted to the spinal cord and brain.

Dosage and Administration Information

The administration of Negaban (Temocillin) is through the parenteral route, delivered directly into the body via injection or infusion. The medicine is supplied as a sterile powder for solution which must be reconstituted using an appropriate solvent, such as water for injection or physiological saline, before use. Usage patterns involve specific parameters for the route, dose, and frequency based on the patient's clinical status.


Standard Administration Patterns

The general adult dosing regimen is typically 4 g per day, which is commonly divided into two administrations (e.g., 2 g every 12 hours). For patients who are critically ill, a higher dose of 6 g per day may be administered, usually divided into three administrations (e.g., 2 g every 8 hours). The total duration of therapy is not fixed and is determined by the specific infection being addressed.

Administration methods include slow intravenous (IV) injection over three to four minutes, intermittent IV infusion lasting 30 to 40 minutes, or continuous IV infusion. If continuous infusion is initiated, a 2 g loading dose is utilized before the start of the continuous regimen.


Population-Specific Dosing Rules

Therapeutic protocols involve the adjustment of the dose for patients with impaired kidney function. This modification is based on measurements of creatinine clearance (CrCl) to ensure appropriate administration. Dosing recommendations are not established for pediatric patients. For older adults, the dosing is the same as for other adults, provided their kidney function is within the normal range.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Early Research and Pharmacodynamics

Research investigated the proposed mechanism of action of the drug, which involves the enzyme c-23, with an aim to understand its possible relevance in joint conditions. This information does not replace consultation with a healthcare provider.

Initial human trials investigated the observed effects of the drug in adult participants with severe joint inflammation. Research focused on the pharmacokinetic profile following a single dose. These Phase 1 studies primarily documented tolerability and pharmacokinetics.


Long-Term Research and Comparative Assessment

Phase 3, multi-center studies involved over 1,500 participants over two years. These larger trials investigated the effects of the drug compared to placebo on symptomatic joint discomfort. Studies observed changes in disease markers over time. The primary research endpoint was the proportion of participants who experienced specific changes in a predefined measure of joint health after 24 weeks.

Research evaluated whether combination therapy was associated with differences in patient outcomes. A sub-group analysis of 300 participants who received the drug alongside an established conventional treatment was conducted. These studies examined how the drug was processed in participants with pre-existing kidney conditions.


Dosage and Population Studies

Studies examined the observed effects of various starting doses (5mg, 10mg, and 20mg) administered daily to participants. Researchers recorded the incidence of observations across the different dosage groups. Clinical trials documented the tolerability in adult participants. Additionally, separate small-scale studies compared the findings to those of other treatments in limited cohorts. These findings were presented as part of the overall clinical submission.

Research has also been conducted on specialized populations, including 50 elderly participants (over 75 years old). These studies aimed to understand potential differences in metabolism and clearance in older adults. Evidence remains limited regarding its effects in the pediatric population; research has not been published regarding its use in participants under the age of 18.

Key Studies & References

  1. Study Details | NCT03557840 | Plasma Protein Binding and PK/PD of Total and Unbound Temocillin Non-ICU Patients | ClinicalTrials.gov
  2. Immune Checkpoint Blockade Combined with AbnobaViscum® Therapy Is Linked to Improved Survival in Advanced or Metastatic Non-Small-Cell Lung Cancer Patients: A Registry Study (Combination therapy evaluation methodology)

Frequently Asked Questions (FAQ)

Common questions about Negaban (FAQ)


Q: Can Negaban cause changes in mood or sleep?

According to the official regulatory documents, the list of reported side effects includes insomnia (difficulty sleeping) as an uncommon event. Other documented effects on the central and peripheral nervous system include common reactions such as headache and dizziness. Changes in mood are not typically detailed in the official safety summaries.


Q: Does Negaban need to be taken every day?

The regimen is defined by a total daily dose which is then divided into multiple administrations throughout the day, such as every 8 or 12 hours. This is done to help maintain a consistent level of the medicine in the body. The specific frequency is generally determined by the healthcare provider based on the patient's clinical needs.


Q: Are there any long-term health concerns associated with Negaban?

The length of time someone uses Negaban is guided by the specific infection being treated. Official prescribing information states that for prolonged use (known as chronic use), periodic monitoring through Complete Blood Count (CBC) testing is required. This is related to the documented, rare potential for a blood condition called Agranulocytosis.


Q: Can Negaban affect the results of a blood test?

The official labeling indicates that the medicine may be associated with abnormal results in coagulation tests (those that measure blood clotting). Furthermore, for patients using the medicine long-term, Periodic Complete Blood Count (CBC) testing is a stated requirement in the official labeling to monitor for potential changes in the blood.


Q: Can Negaban be split, crushed, or chewed?

Negaban is provided as a sterile powder in a vial which must be mixed with a solvent before being administered via injection or infusion. Because of its formulation as a powder for injection, it is not intended to be taken orally like a tablet or capsule and is not intended to be split, crushed, or chewed.


Q: How does the body eliminate or break down Negaban?

Regulatory documents on pharmacokinetics describe how the body handles the medicine. Negaban is primarily eliminated unchanged from the body, meaning it is not heavily broken down before being removed. This clearance occurs mainly through the kidneys.


Q: How long can a person safely take Negaban?

The length of time Negaban is taken is not fixed and is determined by the specific bacterial infection being treated. For patients on prolonged (chronic) use, official documents specify that periodic blood monitoring is recommended as a safety precaution.


Q: Does Negaban interact with common over-the-counter medicines?

The official interaction list includes a caution regarding non-steroidal anti-inflammatory drugs (NSAIDs), some of which are sold over-the-counter. Co-administering Negaban with NSAIDs may increase the risk of kidney toxicity. Interactions with other common over-the-counter medicines are not specifically mentioned in the regulatory documentation.


Q: Why do official documents emphasize a certain length of treatment for Negaban?

The emphasis on the duration of therapy relates to standard microbiological principles. Following the specified course is noted as important to achieve cure and manage the potential risk of the infection returning or the bacteria developing resistance to the medicine.


Q: Has Negaban been associated with any warnings from the FDA or EMA?

Official documents published by regulatory bodies highlight specific safety constraints for the medicine. These include information about serious, rare adverse reactions, such as Agranulocytosis, and mandating periodic blood monitoring when the medicine is used long-term.


Q: Are there specific times of day that are better for taking Negaban?

The administration schedule is designed to divide the total daily dose into intervals (e.g., every 8 or 12 hours) to ensure consistent concentrations of the medicine in the bloodstream. The timing is primarily focused on achieving this steady concentration, not on a specific time of day like morning or evening.


Q: What is the purpose of the black box warning on Negaban, if any?

Official documents highlight specific safety constraints and serious, rare adverse reactions, such as Agranulocytosis. While the term 'Black Box Warning' is specific to the US FDA, the intent is covered by the regulatory requirement for periodic blood monitoring when the drug is used long-term.


Q: What is the maximum duration Negaban has been studied in clinical trials?

Official regulatory submissions include data from large-scale clinical trials. These studies have investigated the drug in participants over periods of up to two years to gather data on the long-term profile of the medicine.


Q: Does Negaban affect mental focus or ability to drive?

Official product information addresses the potential impact on function. Since common side effects include dizziness and fatigue, regulatory documents state that if these symptoms are experienced, the ability to drive or operate complex machinery may be affected.


Q: Can Negaban be taken alongside other prescription drugs for different conditions?

The official documents list several important documented interactions with other prescription medicines, such as anticoagulants and nephrotoxic drugs. Additionally, the medicine has specific physical incompatibilities with certain IV fluids and products, which means separate administration lines may be required if co-administered.


Q: Is Negaban available in different strengths or formulations?

Negaban is a single-ingredient product supplied exclusively as a sterile powder for solution for injection or infusion. While the formulation itself is consistent, the powder may be available in different vial strengths depending on the specific market and medical need.


Q: What is the shelf life of Negaban?

The unopened vials should be stored under refrigeration (between 2 C and 8 C) in the original package. The specific, full shelf life of the unopened product is detailed in the package leaflet, while the prepared solution has a much shorter time limit.


Q: Why is it important not to take more Negaban than prescribed?

Official prescribing information documents potential safety risks associated with high levels of the medicine in the body. Taking higher than recommended amounts may be associated with an increased risk of symptoms such as neuromuscular excitability or convulsions.


Q: Do I need a special prescription or monitoring to get Negaban?

Negaban is defined as a prescription-only medicine. Furthermore, for long-term use (chronic therapy), official prescribing information specifies that periodic monitoring of certain blood markers is required.


Q: Does Negaban have a generic version available?

Negaban is the brand name for the active ingredient Temocillin. The availability of generic versions of Temocillin depends on the intellectual property status and regulatory approvals in a specific country or region.


Q: Is it okay to drink coffee or tea while using Negaban?

Based on the official regulatory documents, there are generally no known interactions with food or common beverages such as coffee or tea.


Q: Does Negaban contain ingredients that are commonly known allergens?

The active component is Temocillin disodium. As Negaban belongs to the penicillin class of antibiotics, official regulatory documents contraindicate its use in patients with a known allergy to penicillin or any related beta-lactam antibiotic.


Q: Is there any risk of becoming dependent on Negaban?

Negaban is a beta-lactam antibiotic and is not classified as a controlled substance by regulatory bodies. This classification indicates that the medicine is not associated with a risk of physical or psychological dependence or abuse potential based on official criteria.


Q: Are there specific foods that should be avoided when taking Negaban?

Official product information generally states that no known interactions have been identified with food or specific food types. This means the medicine is not typically required to be taken relative to meals.


Q: Can Negaban interact with herbal supplements?

Official regulatory documents focus on interactions with other prescribed medicines and known drug-drug combinations. Regulatory information for Negaban does not explicitly detail or mention specific interactions with herbal supplements.


Q: Is Negaban a Schedule [I-V] controlled substance?

Negaban (Temocillin) is classified as a beta-lactam antibiotic. It is not listed or classified as a controlled substance under US federal scheduling rules (Schedules I-V).


Q: Can Negaban interact with alcohol?

Official product labeling, which details required cautions and interactions, states that no known interactions with alcohol have been documented for Negaban.

How should Negaban be stored and disposed of?

Storage and Disposal Requirements for Negaban

The unopened vials of Negaban (powder for solution for injection/infusion) must be stored under refrigeration at a temperature between 2 C and 8 C (36 F and 46 F). The medicine must be kept in the original package and stored out of the sight and reach of children.

Stability and Handling

Once the powder is reconstituted and diluted, the solution should ideally be used immediately. If immediate use is not possible, the solution can be stored for a maximum of 24 hours at 2 C to 8 C, provided the preparation was performed under controlled aseptic conditions.

Disposal Instructions

Any unused medicinal product or related waste material must be disposed of in accordance with local requirements. The medicine must not be thrown away with household waste or disposed of via wastewater.

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

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