Oxaliplatin-Teva

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Oxaliplatin-Teva

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Method of action: Alkylating, Antitumour, Cytostatic

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Overview of Oxaliplatin-Teva

Quick Facts

Property Description
Active Ingredient Oxaliplatin (INN)
Form Concentrate for solution for infusion
Pharmacological Class Cytostatic agent, Platinum analogue
Common Use Systemic antineoplastic therapy
Origin Synthetic

What Type of Medicine is Oxaliplatin-Teva?

Oxaliplatin-Teva is a specialty pharmaceutical product containing the active ingredient Oxaliplatin and is manufactured by Teva Pharmaceutical Industries Ltd. This medicine is fundamentally classified as a cytostatic agent, a type of antineoplastic agent (chemotherapy drug) used in systemic therapy. The core component, Oxaliplatin (INN), is a sophisticated synthetic compound that is officially recognized as a platinum-based drug.

This drug is a third-generation platinum analogue, chemically distinct from older platinum compounds like cisplatin. Its structure includes the diaminocyclohexane (DACH) ligand, a feature that provides a key point of differentiation within the cytotoxic class and is clinically recognized for maintaining activity in some cancer cell lines resistant to cisplatin.


Oxaliplatin-Teva Composition and Pharmaceutical Form

The medicine is supplied as a concentrate for solution for infusion, meaning it is a sterile liquid that requires dilution before patient use. Its formulation is strictly designed for intravenous administration (parenteral administration), ensuring rapid and direct delivery of the active agent into the bloodstream for systemic action. The composition consists of the active ingredient, Oxaliplatin, dissolved in an aqueous solution for stability.

What is the General Purpose of Oxaliplatin-Teva?

The general purpose of Oxaliplatin-Teva is to provide a systemic anticancer action by interfering directly with the replication process of malignant cells. As an alkylating-like agent, it achieves this by creating strong chemical cross-links in the cell's DNA, thereby damaging the genetic structure.

This fundamental DNA strand interference prevents the cell from completing its division cycle, leading to cell cycle arrest and the self-destruction of the cell (induction of apoptosis). This medicine is used to block cell growth, classifying it as a cytotoxic medicine intended to control the proliferation of abnormal cell populations.

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What side effects are possible with Oxaliplatin-Teva?

Possible Side Effects and Safety Information

The safety profile of Oxaliplatin-Teva is defined by adverse reactions involving the nervous system, blood cells, and gastrointestinal tract. Treatment must be administered under the supervision of a qualified physician experienced in cancer chemotherapy.

System-Organ Class Common Adverse Reactions (Very Common / Common)
Nervous System Peripheral sensory neuropathy (acute and delayed), fatigue
Hemic and Lymphatic Neutropenia, thrombocytopenia, anemia
Gastrointestinal Nausea, vomiting, diarrhea, stomatitis (mouth sores), abdominal pain

Key Safety Considerations

  • Peripheral Sensory Neuropathy: This is the primary dose-limiting toxicity and is cumulative (incidence and severity increase with cycles). It includes a unique acute form often triggered or worsened by exposure to cold (e.g., cold drinks, cold air), causing temporary symptoms like pharyngolaryngeal dysesthesia and jaw tightness.
  • Hypersensitivity: Serious and potentially fatal hypersensitivity reactions, including anaphylaxis, can occur rapidly, often increasing in incidence after the sixth cycle.
  • Myelosuppression: Severe myelosuppression (low white blood cell and platelet counts) is common and necessitates laboratory monitoring and dose adjustments to mitigate the risk of infection and bleeding.

Serious and Rare Adverse Reactions

Regulatory documents also detail the potential for serious adverse events that require immediate discontinuation, including Posterior Reversible Encephalopathy Syndrome (PRES), pulmonary fibrosis/interstitial lung disease, and Rhabdomyolysis (severe muscle breakdown). Potential for QT interval prolongation and ventricular arrhythmias is also noted, particularly in patients with pre-existing heart conditions or electrolyte imbalances. The drug is contraindicated in patients with a history of hypersensitivity to platinum compounds, those with severe renal impairment, and during pregnancy due to the risk of fetal harm.

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Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for Oxaliplatin overdose documents severe, multi-system manifestations and mandates specific, immediate emergency actions.

Element Official Regulatory Description
Documented Overdose Presentations Presentation includes severe neurological events (e.g., sensory neuropathy, seizures, paralysis, coma), hematological changes (Grade 4 thrombocytopenia, severe myelosuppression), and acute cardiopulmonary signs (e.g., respiratory failure, slowed heartbeat).
Emergency-response statements Immediate contact with emergency services and/or the poison control helpline is mandated upon suspected overdose.
When immediate help is required Urgent medical help is required if the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened.

Overdose Classifications (High-Level)

Classification Element Official Regulatory Description
Severity classification The potential for life-threatening outcomes, including severe myelosuppression and respiratory failure, is documented.
Antidote Information No known specific antidote exists.

Official Overdose Statements

  • Overdosage is associated with severe sensory neuropathy, including laryngospasm and facial muscle spasms, and severe myelosuppression.
  • In cases of suspected overdose, close patient monitoring for adverse reactions and the administration of appropriate supportive treatment are required.

Connection to the overall overdose profile: Regulatory documents define the overdose profile through a cluster of severe systemic manifestations, emphasizing the potential for life-threatening outcomes. Due to the high risk and the confirmed absence of a specific antidote, the regulatory response is strictly defined by the mandate to immediately contact emergency services when critical symptoms are present, focusing subsequent management on monitored supportive and symptomatic care.

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Therapeutic Uses of Oxaliplatin-Teva

What Oxaliplatin-Teva Treats: Main Uses and Benefits

Oxaliplatin is commonly used to help with conditions presenting with systemic or localized discomfort. This medication is indicated for the treatment of advanced colorectal cancer and as an adjuvant therapy following surgery for Stage III colon cancer. Its use supports the patient across specific therapeutic domains.


Managing Symptomatic Discomfort and Acute Episodes

This medicine is applied across domains where additional symptomatic support is needed. It helps address symptom clusters that may become intense or disruptive, such as symptoms related to systemic imbalance that can interfere with daily comfort. The treatment provides support that helps ease the overall symptom burden during difficult phases.


Supporting Functional Stability Across Condition Categories

The medication is relevant in conditions characterized by periods of heightened symptoms, which can lead to temporary functional strain. It is generally applied in settings where symptoms lead to temporary functional strain or discomfort. By assisting with the symptom clusters that may become intense or disruptive, it helps maintain a sense of stability and assists with maintaining functional stability when symptoms are more noticeable. It supports general well-being during symptomatic phases.

“This medication is considered relevant for easing distress during symptomatic phases.”


Assistance in High Distress Clinical Scenarios

Oxaliplatin is commonly used when symptoms intensify and supportive relief is needed, particularly in clinical settings that involve acute or unstable symptom patterns. It plays a role in managing conditions marked by increased physiological stress, contributing to improved comfort and helping patients cope more steadily with symptom fluctuations.


Quick Fact: Therapeutic Support for Systemic Discomfort

  • Indications: It is commonly used across conditions presenting with acute episodes.

Regulatory References

  1. NIH MedlinePlus Drug Information overview
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Eligibility and Restrictions for Use

Oxaliplatin-Teva, a platinum-based chemotherapy, is typically used in combination with other medications for the treatment of advanced colorectal cancer and for adjuvant treatment of Stage III colon cancer following primary tumor resection. It is exclusively administered under the supervision of a physician experienced in cancer chemotherapy.


Who Should Not Use Oxaliplatin-Teva

The use of Oxaliplatin-Teva is contraindicated in several patient groups due to safety concerns. Patients must inform their healthcare provider if any of the following conditions apply:

  • A known allergy or hypersensitivity reaction to oxaliplatin or other platinum-containing compounds (e.g., cisplatin, carboplatin).
  • Severe renal impairment, generally defined as a creatinine clearance of less than 30 mL/min.
  • Peripheral sensory neuropathy that is already associated with functional impairment.
  • Pre-existing severe myelosuppression (significantly reduced bone marrow activity leading to low blood cell counts) before starting treatment.
  • Pregnancy or breastfeeding. Effective contraception is required for both male and female patients of reproductive potential during and for a specified time after treatment.
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What should I know about interactions with other medicines?

Interactions with other medicines and products

This section summarizes officially documented interactions for Oxaliplatin-Teva, categorized by type and required constraint.

Interaction Type Interacting Agents / Conditions Regulatory Constraint
Chemical Incompatibility Alkaline solutions (e.g., basic fluorouracil solutions), Chloride-containing solutions, Aluminum-containing equipment Contraindicated/Avoid: Must not be mixed or co-infused; dilution must only use 5% Dextrose Injection. Aluminum equipment must be avoided during preparation.
Pharmacodynamic Risk Live-attenuated vaccines, Drugs known to prolong the QT interval (e.g., dronedarone) Contraindicated/Caution: Live-attenuated vaccines are contraindicated. Avoid or use with caution and monitor patients for congenital long QT syndrome or those taking other QT-prolonging drugs.
Monitoring Requirement Oral anticoagulants (e.g., warfarin) Increased Monitoring: Close monitoring of bleeding risk and International Normalized Ratio (INR) is required due to an officially documented increased risk of hemorrhage when co-administered with fluorouracil/leucovorin.

These constraints establish strict requirements for drug preparation, co-infusion procedures, and concurrent medication use. The profile primarily focuses on incompatibility with alkaline and chloride media and pharmacodynamic effects related to cardiac rhythm and bleeding risk, as defined by official regulatory labeling.

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Mechanism of Action

The drug's primary mechanism involves the covalent binding of its active platinum derivative to the cell's Genomic DNA, particularly at guanine residues. This binding creates bulky intra-strand cross-links that physically distort the DNA helix. This structural interference immediately blocks the function of enzymes essential for DNA replication and transcription. The resultant overwhelming genomic damage triggers the intrinsic apoptotic pathway, leading to apoptosis in the affected cell.

A separate, non-cytotoxic mechanism occurs in the peripheral sensory nervous system. The drug's metabolites accumulate in sensory nerve cells where they modulate the activity of voltage-gated sodium channels ( V GSC) embedded in the neuronal membranes. This interaction destabilizes the electrical potential of the nerve fibers, promoting a state of neuronal hyperexcitability (over-readiness to fire). This functional hyperactivity of the sensory neurons is the key physiological mechanism resulting in aberrant peripheral sensory signal transduction.

Furthermore, the unique Diaminocyclohexane (DACH) ligand creates a structural difference in the adducts that results in reduced recognition by specific cellular DNA repair pathways (e.g., Mismatch Repair System), which permits the cytotoxic mechanism to persist.

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Dosage and Administration Information

Official Administration Guidelines for Oxaliplatin-Teva

Oxaliplatin-Teva is administered exclusively by intravenous (IV) infusion and must be supervised by a physician experienced in cancer chemotherapy. The standard dose is calculated based on the patient's body surface area (BSA), typically 85 mg/m², and is given every two weeks as the first activity on Day 1 of the cycle.


Preparation and Infusion Rules

Prior to administration, the Oxaliplatin concentrate must be diluted in 250 to 500 mL of 5% Dextrose Injection, USP (D5W). It is strictly mandated that the concentrate must never be diluted with sodium chloride or any other chloride-containing solutions. The infusion is typically administered over a period of 120 minutes (2 hours), but this duration may be extended to 6 hours at the physician's discretion. The Oxaliplatin infusion must always precede the administration of fluoropyrimidines (e.g., 5-fluorouracil) when given as part of a combination regimen.


Dosing Adjustments and Duration

For patients with severe renal impairment (creatinine clearance < 30 mL/min), the initial recommended dose is reduced to 65 mg/m². The duration of therapy depends on the treatment goal: for adjuvant use, the course is recommended for a total of 12 cycles (6 months), and for advanced disease, treatment continues until disease progression. No specific dose adaptation is generally required for elderly patients based solely on age.

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Recent Clinical Evidence

Oxaliplatin-Teva: Recent Clinical Evidence

This section summarizes key research findings related to Oxaliplatin, a platinum-based chemotherapy drug often used in the treatment of colorectal cancer. The information below describes the scope and outcomes of studies that have investigated its use. This summary is not a substitute for clinical advice.


Usage in Colorectal Cancer (CRC)

Oxaliplatin is most frequently evaluated in combination with 5-fluorouracil (5-FU) and leucovorin, a regimen known as FOLFOX. Clinical trials have investigated the efficacy of this combination regimen in both the adjuvant (after surgery) and palliative (advanced stage) settings for CRC.

  • Adjuvant Setting: Large-scale studies reported that patients with Stage III colon cancer receiving the FOLFOX regimen experienced a reduced risk of cancer recurrence compared to those who received 5-FU/leucovorin alone. The duration of treatment investigated typically spanned six months.
  • Palliative Setting: Research involving patients with advanced metastatic CRC indicated that Oxaliplatin-based regimens (like FOLFOX) were associated with improvements in progression-free survival (PFS) and overall survival (OS) when compared to previous standard therapies.

Safety Profile and Neurotoxicity

Common adverse events associated with Oxaliplatin include nausea, vomiting, and diarrhea. A specific focus of clinical research has been the evaluation of peripheral sensory neuropathy.

Type of Neuropathy Description of Study Findings
Acute Neuropathy Transient, often triggered by cold exposure, reported shortly after infusion.
Chronic Neuropathy Dose-limiting toxicity; studies indicated that the severity tends to increase with the cumulative dose administered over time.

Ongoing studies continue to investigate strategies, such as dose modification and specific infusion schedules, to mitigate the long-term impact of this chronic neurotoxicity.

Key Studies & References

  1. Peripheral neuropathy in patients treated with oxaliplatin: a systematic review and meta-analysis of randomised controlled trials.
  2. NCCN Guidelines Version 1.2024: Colon Cancer, focusing on adjuvant and palliative treatment recommendations.
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Frequently Asked Questions (FAQ)

Common questions about Oxaliplatin-Teva (FAQ)

Q: Can I stop taking Oxaliplatin-Teva once my symptoms improve?

It is generally advised not to stop taking Oxaliplatin-Teva suddenly, even if symptoms improve. The prescribed course is usually intended to be completed. Stopping abruptly may lead to rebound effects or withdrawal symptoms which can complicate your condition. If stopping is necessary, it is important to consult a healthcare provider about gradually reducing the dosage. This approach helps support the full management of the condition.


Q: Does Oxaliplatin-Teva interact with alcohol?

Official labeling typically advises caution regarding Oxaliplatin-Teva and alcohol, as side effects like drowsiness and dizziness may be increased. It is usually recommended to avoid consuming alcohol while taking this medication. The combination may increase the risk of experiencing side effects.


Q: What should I do if I miss a dose of Oxaliplatin-Teva?

The usual guidance is to take the missed dose as soon as it is remembered. However, if it is almost time for the next dose, it is often recommended to skip the missed dose and continue with the regular schedule. It is not typically advised to take two doses at once to compensate, as this may increase the risk of side effects. If multiple doses are missed, a healthcare provider should be consulted for personalized guidance on restarting treatment.


Q: Is Oxaliplatin-Teva safe to use during pregnancy?

The available data on Oxaliplatin-Teva use during pregnancy is limited. The official label indicates it should only be used when the potential benefit justifies the potential risk. Decisions regarding its use during pregnancy should be made in consultation with a healthcare provider who can weigh the benefits and risks for the specific situation.

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How should Oxaliplatin-Teva be stored and disposed of?

The storage and disposal of Oxaliplatin concentrate for solution for infusion are governed by regulatory requirements for cytotoxic agents.

Storage Requirements

Condition Requirement (Unopened Vial)
Temperature Store at controlled room temperature (20 C to 25 C); Do not freeze.
Protection Protect from light; keep in the original outer carton.
Child Safety Keep out of the sight and reach of children.

Stability and Handling

After final dilution in 5% Dextrose Injection, the solution is stable for 6 hours at room temperature or 24 hours under refrigeration (2 C to 8 C). The concentrate must not be diluted with sodium chloride or administered using aluminum-containing materials.

Disposal Instructions

Oxaliplatin is classified as a cytotoxic drug requiring special handling and disposal procedures. Any unused portion of the product, its container, and waste materials must be discarded according to local regulations for cytotoxic agents.

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

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