Copaxone 40

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Copaxone 40

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Treatment option: Multiple Sclerosis

Medically reviewed

Rosario Oropesa

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.

Overview of Copaxone 40

What is Copaxone 40?

Copaxone 40 mg/mL is an injectable prescription medication used for the management of relapsing forms of multiple sclerosis (MS). It belongs to a class of drugs known as immunomodulators. The active ingredient in this medication is glatiramer acetate, which is a complex mixture of synthetic polypeptides composed of four naturally occurring amino acids: L-glutamic acid, L-alanine, L-tyrosine, and L-lysine.

Mechanism of Action

While the exact process by which glatiramer acetate exerts its effects in patients with MS is not fully understood, it is believed to modify the immune processes thought to be responsible for the pathogenesis of the disease. In MS, the body's immune system attacks the protective sheath (myelin) that covers nerve fibers. Glatiramer acetate is thought to work by shifting the population of immune cells from pro-inflammatory states to anti-inflammatory states, thereby reducing the immune system's attack on the central nervous system.

Therapeutic Purpose

The primary goal of treatment with Copaxone 40 is to reduce the frequency of clinical relapses in patients with relapsing-remitting multiple sclerosis (RRMS). It is also used in patients who have experienced a first clinical episode and have MRI features consistent with multiple sclerosis.

The 40 mg/mL formulation is designed as a higher-concentration option, typically administered less frequently than the 20 mg/mL version, providing a specific therapeutic schedule for those managing chronic MS symptoms.

What side effects are possible with Copaxone 40?

Possible Side Effects and Safety Information

This safety information is based on official government regulatory documents (e.g., FDA, EMA) and covers documented adverse reactions and safety-related warnings.

Key Regulatory Safety Classifications

Category Examples (Reported Incidence)
Very Common (≥ 1 in 10 people) Injection site redness (erythema), pain, swelling, and a runny or stuffy nose (nasopharyngitis).
Common (≥ 1 in 100 people) Injection site mass (lump) or itching, chills, fever (pyrexia), chest pain, nausea, rash, and shortness of breath (dyspnea).

Serious Adverse Reactions and Warnings

The medicine is contraindicated (must not be used) if there is a known allergy to glatiramer acetate or mannitol.

  • Anaphylactic Reactions (Life-Threatening Allergy): Severe, life-threatening, and fatal allergic reactions have been reported. These reactions can occur at any time, but often happen within an hour of injection, requiring immediate medical attention and, in most cases, permanent discontinuation of the drug.
  • Immediate Post-Injection Reaction: A transient set of symptoms that can occur minutes after injection, including flushing, chest tightness, palpitations, and anxiety. While typically brief, this can, in rare cases, progress to anaphylaxis.
  • Severe Organ/Tissue Effects: Rare cases of severe hepatic injury (liver damage) and skin necrosis (severe skin damage) at the injection site have been reported post-marketing. Lipoatrophy (loss of fatty tissue) at the injection site may occur after several months of treatment and is thought to be permanent.

Population-Specific Notes

The safety and effectiveness of this medicine have not been established in children under 18 years of age; use is not recommended in this population. Data on use during pregnancy is insufficient to establish risk.

Safety Monitoring and Limitations

Proper technique and rotation of injection sites are necessary to help reduce the risk of lipoatrophy and skin necrosis. The medicine has the potential to modify the immune response, though the full implications on the body's defenses against infection and tumors have not been systematically evaluated.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory documentation indicates that no widely reported cases of acute overdosage with Glatiramer Acetate have been formally established based on human clinical experience. Due to the lack of specific data on overexposure effects, the clinical presentation would likely be an exaggeration of the medicine’s known adverse reactions.

Upon suspicion of an overdose, it is mandated that immediate emergency medical care must be sought. The official prescribing information confirms that no specific antidote is known for Glatiramer Acetate. Consequently, the management approach is strictly symptomatic and supportive, focusing on continuous clinical observation and maintaining the patient’s vital functions. This approach is consistent across major regulatory bodies.

Seeking Urgent Care

Urgent medical attention is specifically required if signs of a severe systemic reaction are observed, as these are classified as life-threatening events. The official labeling instructs patients to stop using the medicine and get emergency help right away if symptoms such as sudden difficulty breathing or wheezing, swelling of the face, throat, or tongue, or fainting, feeling dizzy, or faint occur.

Therapeutic Uses of Copaxone 40

What Copaxone 40 Treats: Main Uses and Benefits

Copaxone 40 is used for conditions characterized by acute episodes related to neurological or muscular activity. This treatment is utilized to help manage conditions involving episodic or fluctuating manifestations, as well as systemic or localized discomfort. This therapeutic approach helps address symptom clusters that may become intense or disruptive during flare-ups.


Symptom Management and Coping Support

This treatment is applied in clinical settings involving acute or unstable symptom patterns and contributes to improved comfort during periods of heightened symptoms. It is used to help manage symptoms associated with acute or episodic changes, which supports general well-being during symptomatic phases and contributes to easing the overall symptom load.


Addressing Fluctuation and Functional Stability

Copaxone 40 is considered relevant for supportive management in conditions involving recurrent or episodic manifestations. The therapy may help individuals cope more steadily with symptom fluctuations and supports general well-being by easing distress during difficult episodes, providing supportive relief when symptoms interfere with routine activities.

Quick Fact: Supports management of symptoms that interfere with daily functioning.

Eligibility and Restrictions for Use

Copaxone 40 mg/mL (glatiramer acetate) eligibility is strictly defined by regulatory documents based on absolute contraindications and use limitations in specific populations.

Populations Who Must Not Use Copaxone 40

Category Exclusion Condition
Absolute Contraindication Known hypersensitivity or allergy to the active substance, glatiramer acetate, or to the excipient, mannitol.

Eligibility and Restriction Rules

Population Group Regulatory Status and Limitation
Adults (18 years and older) Generally indicated for use.
Pediatric Population (Under 18) Use is not recommended; safety and effectiveness have not been established.
Pregnancy It is preferable to avoid use unless the benefit to the mother outweighs the potential risk to the fetus.
Lactation (Breastfeeding) Use requires a decision to either discontinue breastfeeding or discontinue the medicine, as it is unknown if the substance is excreted in human milk.
Renal Impairment Not specifically studied; renal function should be monitored during treatment.
Cardiac Disorders Caution should be exercised; patients require regular follow-up during treatment.

Official labeling confines the medicine to use in adults and requires special monitoring or careful assessment when used in the context of certain pre-existing conditions.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Glatiramer Acetate (Copaxone 40) is characterized by a minimal number of documented pharmacokinetic or metabolic interactions with co-administered medicinal products.

Interactions between Glatiramer Acetate and other drugs have not been fully evaluated in dedicated studies. However, clinical trial data do not suggest any significant interactions with therapies commonly used in the treatment population, such as the concurrent, short-term use of corticosteroids.

Regulatory Interaction Status

Interaction Type Official Regulatory Statement
Pharmacokinetic Profile No significant CYP-mediated or transporter-based interactions are documented in the official prescribing information.
Concurrent Therapy No significant interactions suggested with corticosteroids used for up to 28 days.
Exposure Modification No documented interactions that substantially raise or lower drug concentrations (AUC/Cmax) are reported.

Restrictions and Constraints

There are no mandatory timing-based rules requiring doses of Glatiramer Acetate to be separated from other co-administered medicinal products.

The product solution must not be mixed with any other medication prior to administration, as compatibility studies have not been conducted. This is a procedural restriction and not an interaction with an active substance.

Caution is noted in regulatory labels regarding use alongside potentially hepatotoxic medications or excessive alcohol consumption in patients with pre-existing liver disease, which may heighten the risk of hepatic adverse events.

Mechanism of Action

How Copaxone 40 Works at a Biological Level

T-Cell Modulation and Immune Deviation

This mechanism involves the drug acting as an immunological modulator to fundamentally shift the behavior of the body's T-lymphocytes. It promotes the differentiation of T-cells into an anti-inflammatory phenotype. This differentiation introduces anti-inflammatory signaling molecules into the system, resulting in a local reduction of pro-inflammatory immune responses.


Decoy Action and Receptor Competition

Structurally, the drug mimics natural nervous system proteins, allowing it to act as a decoy by binding to MHC class II molecules on antigen-presenting cells. This competition prevents the activation of specific T-cells. This interaction results in a reduction in the activation and proliferation of T-cells that target natural proteins.


Neuroprotection via Factor Release

The immune cells modified by the drug migrate into the nervous system and release important molecules called neurotrophic factors (such as BDNF). This action provides a local support to nerve tissue. The local secretion of neurotrophic factors supports the survival and health of nervous system components.

Dosage and Administration Information

Copaxone 40 mg is administered as a subcutaneous injection (under the skin) three times a week. The two strengths of the drug (20 mg/mL once daily and 40 mg/mL three times weekly) are not interchangeable.

Administration Schedule

It is recommended to administer the dose on the same three days each week, with at least 48 hours between each injection. A common pattern is Monday, Wednesday, and Friday. Try to administer the injection at approximately the same time of day for consistency.

Injection Technique and Preparation

Copaxone 40 mg is supplied in a single-dose, prefilled syringe. Before use, remove the syringe from the refrigerator and let it stand at room temperature for about 20 minutes to allow the solution to warm. Visually inspect the solution; it should be clear, colorless, or slightly yellow. Do not use the syringe if the liquid appears cloudy or contains particles.

Injection Site Rotation
To minimize the risk of injection site reactions, such as lipoatrophy (loss of fatty tissue) and skin necrosis, you must rotate the injection site with each dose.
Approved self-injection sites include the abdomen, thighs, hips, and arms (the upper back area of the arms should be injected by a caregiver).
Avoid injecting into areas of the body that are scarred, red, lumpy, swollen, or affected by stretch marks or tattoos.

Your healthcare provider or a qualified professional will provide instruction on the proper self-injection technique prior to the first dose. If a dose is missed, administer it as soon as you remember, but ensure that the next dose is still given at least 48 hours later. You may need to temporarily adjust your regular three-times-a-week schedule for that week, returning to the usual schedule the following week.

Recent Clinical Evidence

Copaxone 40: Recent Clinical Evidence

Glatiramer acetate 40 mg/mL (Copaxone 40) is an immunomodulating agent administered three times weekly, which was developed to offer a less frequent dosing schedule compared to the daily 20 mg/mL formulation.

Key Efficacy Findings (GALA Study)

The pivotal Glatiramer Acetate Low-Frequency Administration (GALA) study, a 12-month, double-blind, placebo-controlled trial, examined the efficacy of the 40 mg dose in patients with relapsing-remitting multiple sclerosis (RRMS).

Key findings at 12 months included:

Outcome Measure Reduction vs. Placebo (Approx.)
Annualized Relapse Rate (ARR) 34% reduction
New/Enlarging T2 Lesions (MRI) 35% reduction
Gadolinium-Enhancing T1 Lesions (MRI) 45% reduction

These results indicated that the three-times-weekly 40 mg dose was associated with a significant reduction in both clinical relapse rate and magnetic resonance imaging (MRI) disease activity compared to placebo.

Long-Term Safety and Tolerability

The safety profile observed with the 40 mg formulation was generally consistent with the established profile of the 20 mg daily dose. The most common adverse events reported in the clinical trial were injection site reactions (ISRs), such as erythema and pain. Long-term extension studies, tracking patients for up to seven years, reported that the safety profile remained consistent, with no new or unexpected adverse events emerging over time. These studies also suggested that patients who started treatment early (Early Start group) maintained a numerically lower annualized relapse rate compared to those who started treatment later (Delayed Start group).

Key Studies & References

  1. Long-term Efficacy and Safety of Glatiramer Acetate 40 mg Three-Times-Weekly in Patients with Relapsing-Remitting Multiple Sclerosis: 7-Year Follow-up of the GALA Study
  2. National Institute for Health and Care Excellence (NICE) Clinical Guideline [NG220]: Multiple sclerosis in adults: management

Frequently Asked Questions (FAQ)

Common questions about Copaxone 40 (FAQ)

Q: Is Copaxone 40 the same as Copaxone 20?

Official drug labeling specifies that the two formulations, the 40 mg/mL (three times weekly) and the 20 mg/mL (once daily), are not interchangeable. The 40 mg dose was developed to allow for a less frequent dosing schedule than the daily 20 mg dose, according to regulatory information.

Q: Does Copaxone 40 cure MS?

The medicine is classified as a Disease-Modifying Therapy (DMT). Official information indicates that the product is used to treat and modify the course of relapsing forms of multiple sclerosis, but it is not described in official documents as a cure for the condition.

Q: Can Copaxone 40 change my weight?

Official regulatory documents list changes in body weight as common adverse reactions. Specifically, weight gain and loss of appetite are cited as Common side effects, meaning they may affect up to 1 in 10 people in clinical data.

Q: What happens if I miss a scheduled dose of Copaxone 40?

Regulatory guidance explains that if a dose is missed, it should be administered as soon as the patient remembers. However, it is important that the next dose is still given at least 48 hours later, as this spacing is specified in the regulatory guidance.

Q: Does Copaxone 40 affect the results of blood tests?

Abnormal results from certain blood tests are noted in the official product information. Specifically, an abnormal liver function test result is listed as a Common adverse reaction, affecting up to 1 in 10 people in clinical data.

Q: Can Copaxone 40 be used by someone with heart problems?

Official regulatory information specifies that caution should be exercised when the medicine is used in patients with heart problems. Due to this caution, patients with pre-existing heart conditions may need to have regular tests and check-ups during the treatment period.

Q: Are there any specific vaccines I should avoid while using Copaxone 40?

Glatiramer acetate has the potential to modify the body's immune response. However, regulatory information currently indicates there are no known interactions with specific vaccines documented in the official prescribing labels.

Q: Is Copaxone 40 safe to use during pregnancy, according to official documents?

Available human data regarding the use of the drug during pregnancy are not sufficient to support conclusions about the risk of major birth defects or miscarriage. Official guidance indicates that use during pregnancy is preferred to be avoided unless the benefit to the mother outweighs the potential risk to the fetus.

Q: Does Copaxone 40 affect my ability to drive?

There is no explicit regulatory warning advising against driving. However, the official label lists central nervous system (CNS) effects such as fainting (Common) and confusion (Uncommon) as potential adverse reactions that may affect some individuals.

Q: Is Copaxone 40 used for other conditions besides MS?

According to official prescribing information, the medicine is solely indicated for the treatment of relapsing forms of multiple sclerosis (MS) in adults. No other uses or indications are listed in the official regulatory documents.

Q: Is a headache a known side effect of Copaxone 40?

Yes, a headache is listed as a Very Common adverse reaction in the official product information. This classification means that, based on clinical data, headaches may affect more than 1 in 10 people using the medicine.

Q: What are the most common reasons someone might stop using Copaxone 40?

Regulatory documents summarize discontinuation data from clinical trials. In studies of the 40 mg dose, approximately 3% of patients discontinued treatment due to an adverse reaction.

Q: Does using Copaxone 40 require any special diet changes?

Official regulatory documents do not specify any required special diet changes or mandatory food interactions associated with the use of the medicine.

Q: Is it required to stay at the injection site after administering Copaxone 40?

Official guidance advises that patients be supervised by a healthcare professional for 30 minutes after the very first self-injection. This supervision period is intended to monitor for the possibility of immediate post-injection reactions.

Q: Is fatigue a common experience when starting Copaxone 40?

Official regulatory documents list feeling weak (asthenia) as a Very Common adverse reaction, which is related to fatigue. This means that based on clinical data, this reaction may affect more than 1 in 10 people taking the medicine.

Q: Can Copaxone 40 cause joint pain or muscle stiffness?

Yes, these are noted in the official product information. Pain in the joints or back is listed as a Very Common adverse reaction, and increased tightness of muscle tone is cited as a Common adverse reaction.

Q: Can people with a history of depression use Copaxone 40?

Anxiety and depression are both listed as Very Common adverse reactions in the official product information. The fact that anxiety and depression are common adverse reactions is noted in the official product information.

Q: How does the chemical structure of glatiramer acetate work in the body?

Official regulatory documents describe the active ingredient as a complex synthetic polypeptide composed of the acetate salts of four naturally occurring amino acids: L-alanine, L-lysine, L-glutamic acid, and L-tyrosine. This unique structure is key to its effect as an immunomodulator.

Q: Does Copaxone 40 interact with common cold or flu medications?

The official prescribing information states that dedicated studies to fully evaluate interactions between glatiramer acetate and other drugs have not been conducted. Therefore, the potential for interactions with general cold or flu medications has not been formally assessed.

Q: Is there a known risk of liver problems with Copaxone 40?

Yes, liver problems or worsening of pre-existing liver problems have been reported rarely since the drug was marketed. Regulatory information specifies that caution should be exercised when the medicine is used in patients with a history of liver problems, and regular check-ups may be required.

Q: What is the general eligibility requirement for starting Copaxone 40?

The medicine is officially indicated for the treatment of relapsing forms of multiple sclerosis (MS). Regulatory eligibility is confined to patients 18 years of age and older.

Q: Are there any long-term health concerns linked to Copaxone 40 use?

Long-term studies indicate the overall safety profile has remained consistent over several years. However, the risk of lipoatrophy (loss of fatty tissue) at the injection site is noted as a long-term safety concern that may be permanent, as this concern is tied to the injection site, where proper rotation is necessary.

Q: Does Copaxone 40 have a Black Box Warning, as described by the FDA?

Yes, the U.S. Food and Drug Administration (FDA) has added a Boxed Warning to the product information. This is the FDA's most serious warning and addresses the risk of a rare but serious allergic reaction known as anaphylaxis, which can occur at any time during treatment.

Q: Does the brand-name Copaxone 40 have generic versions available?

Glatiramer acetate, the active ingredient in Copaxone 40, is approved by the FDA as a generic equivalent in the same formulation and strength. These products contain the same active ingredient.

Q: Can Copaxone 40 be used by teenagers?

Official regulatory information states that the safety and effectiveness of the medicine have not been established in children and adolescents under 18 years of age. Therefore, use of the medicine is not recommended in this specific population.

Q: What research evidence exists about Copaxone 40's effect on MS relapses?

Pivotal clinical trials, such as the GALA study, indicated that the 40 mg dose was associated with a significant reduction in disease activity. Results showed an approximate 34% reduction in the Annualized Relapse Rate (ARR) compared to placebo over a 12-month period.

Q: Does the time of day matter when taking Copaxone 40?

Regulatory guidance recommends administering the dose at approximately the same time of day for consistency. However, the guidance does not mandate a specific time of day for administration based on efficacy or safety reasons.

Q: Can Copaxone 40 cause difficulty sleeping?

Official regulatory documents list abnormal dreams as an Uncommon adverse reaction, meaning it may affect up to 1 in 100 people. Other related effects like anxiety are also listed in the product information.

Q: Is Copaxone 40 listed on the World Health Organization's essential medicines list?

Glatiramer acetate, the active substance in Copaxone 40, is included on the World Health Organization's (WHO) Model List of Essential Medicines. This classification recognizes the drug's role in addressing priority health care needs globally.

Q: Can Copaxone 40 be used alongside other MS treatments?

Clinical trial data does not suggest any significant interactions with therapies commonly used in MS patients, such as the concurrent, short-term use of corticosteroids. However, official prescribing information notes that the drug has not been formally evaluated in combination with interferon beta.

Q: Is a rash or hives an expected reaction to Copaxone 40?

Yes, rash is listed in official documents as a common side effect. Hives (urticaria) are also a potential symptom of the rare but serious immediate post-injection reaction or anaphylaxis, as described in safety warnings.

Q: How long does a person usually need to take Copaxone 40?

Official regulatory documents state that it is not currently known for how long a patient should be treated with the medicine. The decision regarding long-term use and duration is determined by the treating physician on an individual basis.

How should Copaxone 40 be stored and disposed of?

Official Storage and Disposal Requirements

Storage of Copaxone 40 (Glatiramer Acetate) is strictly defined by regulatory requirements to maintain product stability and safety. The primary condition is storage in a refrigerator, maintaining a temperature range of 2 C to 8 C (36 F to 46 F). The syringes must be kept in their original outer carton to protect the solution from light.

Storage Restriction Requirement
Freezing Do not freeze. Syringes must be discarded if they become frozen.
Room Temperature May be stored temporarily at 15 C to 30 C (59 F to 86 F) for a single, cumulative period of up to one month.
Child Safety Keep the medicine out of the sight and reach of children.

Used pre-filled syringes and needles must be immediately placed into a designated, puncture-resistant sharps disposal container. Disposal of unused or expired product must be carried out in accordance with local regulations; do not dispose of loose sharps in household trash.

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

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