Medical term:

Copaxone


glatiramer acetate

Copaxone

Pharmacologic class: Immunomodulator

Therapeutic class: Multiple sclerosis agent

Pregnancy risk category B

Action

Unknown. Thought to alter immune processes believed to be responsible for pathogenesis of multiple sclerosis.

Availability

Injection: 20 mg lyophilized glatiramer acetate and 40 mg mannitol in single-use 2-ml vial (1-ml vial of sterile water for injection included for reconstitution)

Indications and dosages

➣ To reduce frequency of relapses in relapsing-remitting multiple sclerosis

Adults: 20 mg/day subcutaneously

Contraindications

• Hypersensitivity to drug

Precautions

Use cautiously in:

• pregnant or breastfeeding patients

• children (safety and efficacy not established).

Administration

• Give only by subcutaneous injection into arms, abdomen, hips, or thighs.

• Administer immediately after preparing. Discard unused portion.

Adverse reactions

CNS: abnormal dreams, agitation, anxiety, confusion, emotional lability, migraine, nervousness, speech disorder, stupor, tremor, weakness, vertigo

CV: chest pain, hypertension, palpitations, tachycardia, peripheral edema

EENT: eye disorder, nystagmus, ear pain, rhinitis

GI: nausea, vomiting, diarrhea, anorexia, gastroenteritis, other GI disorder, oral candidiasis, salivary gland enlargement, ulcerative stomatitis

GU: urinary urgency, hematuria, erectile dysfunction, amenorrhea, dysmenorrhea, menorrhagia, abnormal Papanicolaou smear, vaginal candidiasis, vaginal hemorrhage

Hematologic: ecchymosis, lymphadenopathy

Musculoskeletal: joint, back, or neck pain; foot drop; hypertonia

Respiratory: bronchitis, dyspnea, hyperventilation

Skin: eczema, erythema, diaphoresis, pruritus, rash, skin atrophy, skin nodules, urticaria, warts

Other: dental caries, facial edema, weight gain, herpes simplex, herpes zoster, cysts, chills, flulike symptoms, pain at injection site

Interactions

None reported

Patient monitoring

☞ Assess for immediate postinjection reaction, including flushing, chest pain, anxiety, breathing problems, and hives.

• Watch for transient chest pain, but be aware that this problem doesn't seem to be clinically significant.

• Check for vaginal bleeding.

• Watch for signs and symptoms of infection.

Patient teaching

• Teach patient how to prepare and self-administer drug. Supervise him the first time he does so.

☞ Teach patient to recognize and immediately report signs and symptoms of postinjection reaction. Tell him this reaction may occur right away or up to several months after first dose.

• Caution patient to avoid driving and other hazardous activities until he knows how drug affects concentration and alertness.

☞ Instruct patient to report signs or symptoms of infection or vaginal hemorrhage.

• Provide dietary counseling. Refer patient to dietitian if adverse GI effects significantly affect food intake.

• As appropriate, review all other significant and life-threatening adverse reactions.

McGraw-Hill Nurse's Drug Handbook, 7th Ed. Copyright © 2013 by The McGraw-Hill Companies, Inc. All rights reserved

glatiramer

(gla-ti-ra-mer) ,

Copaxone

(trade name)

Classification

Therapeutic: anti multiple sclerosis agents
Pharmacologic: immune response modifiers
Pregnancy Category: B

Indications

Reduction of frequency of relapses in relapsing-remitting multiple sclerosis (MS), including patients who have experienced a first clinical episode and MRI features consistent with MS.

Action

Appears to modify the immune process thought to be responsible for MS.

Therapeutic effects

Decreased incidence of relapses in relapsing-remitting MS.

Pharmacokinetics

Absorption: Some absorption follows subcutaneous administration.
Distribution: Some enters the lymphatic system.
Metabolism and Excretion: Unknown.
Half-life: Unknown.

Time/action profile

ROUTEONSETPEAKDURATION
Subcutunknownunknownunknown

Contraindications/Precautions

Contraindicated in: Hypersensitivity to glatiramer or mannitol.
Use Cautiously in: Obstetric / Lactation / Pediatric: Safety not established.

Adverse Reactions/Side Effects

Central nervous system

  • anxiety (most frequent)
  • weakness (most frequent)
  • confusion
  • migraine
  • vertigo

Cardiovascular

  • chest pain (most frequent)
  • palpitations (most frequent)
  • edema
  • syncope
  • tachycardia
  • vasodilation

Dermatologic

  • pruritis (most frequent)
  • rashes (most frequent)
  • sweating (most frequent)
  • erythema

Ear, Eye, Nose, Throat

  • rhinitis (most frequent)
  • nystagmus

Gastrointestinal

  • diarrhea (most frequent)
  • nausea (most frequent)
  • anorexia
  • vomiting

Genitourinary

  • urgency (most frequent)

Local

  • injection site reactions (most frequent)

Musculoskeletal

  • arthralgia (most frequent)
  • back pain (most frequent)
  • hypertonia (most frequent)

Neurologic

  • tremor

Respiratory

  • dyspnea (most frequent)

Miscellaneous

  • flu-like symptoms (most frequent)
  • lymphadenopathy (most frequent)
  • fever
  • immediate postinjection reaction
  • infection
  • pain
  • weight gain

Interactions

Drug-Drug interaction

Unknown.

Route/Dosage

Subcutaneous (Adults) 20 mg/day.

Availability

Injection: 20 mg/mL in prefilled syringes

Nursing implications

Nursing assessment

  • Assess patient for side effects immediately after injection. Symptoms may include flushing, chest pain, palpitations, anxiety, dyspnea, constriction of throat, and urticaria. Symptoms are usually transient and self-limited without requiring treatment. May occur at the beginning of or following several months of therapy, and patients may experience one or several episodes of symptoms.

Potential Nursing Diagnoses

Impaired physical mobility (Indications)
Deficient knowledge (Patient/Family Teaching)

Implementation

  • Subcutaneous: Allow prefilled syringes to warm to room temperature for 20 min before injection. Solution is clear, colorless to slightly yellow; do not administer solutions that are discolored or contain particulate matter. Sites for injection include arms, abdomen, hips, or thighs. Pinch skin and inject at a 90° angle. Discard unused solution. Unused syringes should be stored in refrigerator. Rotate injection sites to minimize risk of lipoatrophy.
    • First injection should be performed under the supervision of a health care professional.

Patient/Family Teaching

  • Instruct patient to administer medication exactly as directed. Missed doses should be taken as soon as remembered but omitted if not remembered until next day; do not double doses.
  • Advise patient not to discontinue medication or change dose or dosing schedule without consulting health care professional.
  • Inform patient of potential post-injection reactions. Advise patient to contact health care professional if chest pain is unusally severe.
  • Home Care Issues: Instruct patient in the correct technique for self-injection, storage, and proper disposal of equipment. Provide and discuss patient package insert. Caution patient not to reuse syringe. Provide patient with a puncture-proof container for needle and syringe disposal.

Evaluation/Desired Outcomes

  • Decreased incidence of relapses in relapsing-remitting MS.
Drug Guide, © 2015 Farlex and Partners

Copaxone®

Glatiramer acetate, copolymer-1 Therapeutics A noninterferon, nonsteroidal agent that ↓ relapses in Pts with multiple sclerosis. See Multiple sclerosis.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

Copaxone

A brand name for GLATIRAMER.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

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