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LYVISPAH (baclofen) oral granules is a gamma-aminobutyric acid (GABA-ergic) agonist available as 5 mg, 10 mg, or 20 mg of baclofen oral granules in a packet. Its chemical name is 4-amino-3-(4chlorophenyl)-butanoic acid and its structural formula is:
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Molecular formula is C10H12ClNO2
Molecular Weight is 213.66.
Baclofen USP is a white to off-white, odorless or practically odorless crystalline powder. It is slightly soluble in water, very slightly soluble in methanol, and insoluble in chloroform.
LYVISPAH (baclofen) oral granules inactive ingredients include amino methacrylate copolymer, calcium stearate, colloidal silicon dioxide, crospovidone, hypromellose, mannitol, saccharin sodium, strawberry flavor, talc, and xylitol.
LYVISPAH is indicated for the treatment of spasticity resulting from multiple sclerosis, particularly for the relief of flexor spasms and concomitant pain, clonus, and muscular rigidity.
LYVISPAH may also be of some value in patients with spinal cord injuries and other spinal cord diseases.
LYVISPAH is not indicated in the treatment of skeletal muscle spasm resulting from rheumatic disorders.
Initiate LYVISPAH with a low dosage, preferably in divided doses, administered orally. The following gradually increasing dosage regimen is suggested, but should be adjusted based on clinical response and tolerability:
Additional increases may be necessary up to the maximum recommended dosage of 80 mg daily (20 mg four times a day). Multiple packets or multiple strengths can be used to achieve the prescribed dosage.
The entire contents of the packet should be emptied into the mouth. The granules will dissolve in the mouth or can be swallowed. LYVISPAH can be taken with liquids or soft foods if needed.
LYVISPAH can be administered orally as a mixture with liquids or soft foods, such as apple sauce, yogurt, or pudding. The contents of one packet can be emptied and mixed with up to 15 mL of liquid or soft food. The mixture should be administered no more than 2 hours after mixing. If multiple packets are to be administered, each packet must be mixed with a separate volume of liquid or soft food.
LYVISPAH can also be administered via enteral feeding tubes such as nasogastric (NG) at sizes 8 FR or higher, gastrostomy (G) at sizes 12 FR or higher, percutaneous endoscopic gastrostomy (PEG) at sizes 14 FR or higher, and gastrojejunostomy (GJ) tubes at sizes 16 FR or higher.
When discontinuing LYVISPAH, reduce the dosage slowly and avoid abrupt withdrawal from the drug to help minimize the risk of adverse reactions [see WARNINGS AND PRECAUTIONS].
Oral Granules: 5 mg, 10 mg, or 20 mg baclofen as white to off-white, strawberry flavored granules in a single dose packet.
LYVISPAH (baclofen) oral granules is supplied as follows:
5 mg white to off-white, strawberry flavored oral granules in a child-resistant single dose packet
NDC 64896-076-09: carton of 90 packets
10 mg white to off-white, strawberry flavored oral granules in a child-resistant single dose packet
NDC 64896-077-09: carton of 90 packets
20 mg white to off-white, strawberry flavored oral granules in a child-resistant single dose packet
NDC 64896-078-09: carton of 90 packets
Store at room temperature, 20°C to 25°C (68°F to 77°F). Excursions permitted between 15°C to 30° C (59°F to 86°F) [see USP Controlled Room Temperature].
Distributed by: Amneal Pharmaceuticals LLC. Bridgewater, NJ 08807. Revised: Apr 2023
The following clinically significant adverse reactions are described elsewhere in the labeling:
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
The most common adverse reaction is transient drowsiness. In one controlled study of 175 patients, transient drowsiness was observed in 63% of those receiving baclofen compared to 36% of those in the placebo group. Other common adverse reactions (up to 15%) are dizziness and weakness. Adverse reactions with a frequency of ≥1% are listed in Table 1.
Table 1: Common (≥1%) Adverse Reactions in Patients Treated with Baclofen for Spasticity
| ADVERSE REACTION | PERCENT |
| Drowsiness | 10-63% |
| Dizziness | 5-15% |
| Weakness | 5-15% |
| Nausea | 4-12% |
| Confusion | 1-11% |
| Hypotension | 0-9% |
| Headache | 4-8% |
| Insomnia | 2-7% |
| Constipation | 2-6% |
| Urinary Frequency | 2-6% |
| Fatigue | 2-4% |
The following adverse reactions not included in Table 1, classified by body system, were also reported:
Neuropsychiatric: euphoria, excitement, depression, hallucinations, paresthesia, muscle pain, tinnitus, slurred speech, coordination disorder, tremor, rigidity, dystonia, ataxia, blurred vision, nystagmus, strabismus, miosis, mydriasis, diplopia, dysarthria, epileptic seizure
Cardiovascular: dyspnea, palpitation, chest pain, syncope
Gastrointestinal: dry mouth, anorexia, taste disorder, abdominal pain, vomiting, diarrhea, and positive test for occult blood in stool
Genitourinary: enuresis, urinary retention, dysuria, impotence, inability to ejaculate, nocturia, hematuria
Other: rash, pruritus, ankle edema, excessive perspiration, weight gain, nasal congestion
The following laboratory tests have been found to be abnormal in patients receiving baclofen: increased SGOT, elevated alkaline phosphatase, and elevation of blood sugar.
LYVISPAH can cause CNS depression, including drowsiness and sedation, which may be an additive when used concomitantly with other CNS depressants or alcohol [see WARNINGS AND PRECAUTIONS].
Included as part of the PRECAUTIONS section.
Abrupt discontinuation of baclofen, regardless of the cause, has resulted in adverse reactions that include hallucinations, seizures, high fever, altered mental status, exaggerated rebound spasticity, and muscle rigidity, that in rare cases has advanced to rhabdomyolysis, multiple organ-system failure, and death. Therefore, reduce the dosage slowly when LYVISPAH is discontinued, unless the clinical situation justifies a rapid withdrawal.
Withdrawal symptoms in neonates whose mothers were treated with oral baclofen throughout pregnancy have been reported starting hours to days after delivery. The symptoms of withdrawal in these infants have included increased muscle tone, tremor, jitteriness, and seizure. If the potential benefit justifies the potential risk to the fetus and LYVISPAH is continued during pregnancy, gradually reduce the dosage, and discontinue LYVISPAH before delivery. If slow withdrawal is not feasible, advise the parents or caregivers of the exposed neonate of the potential for neonatal withdrawal.
Drowsiness and sedation have been reported in up to 63% of patients taking baclofen, the active ingredient in LYVISPAH [see ADVERSE REACTIONS]. Patients should avoid operation of automobiles or other dangerous machinery and activities made hazardous by decreased alertness when starting LYVISPAH or increasing the dosage until they know how the drug affects them. Advise patients that the central nervous system depressant effects of LYVISPAH may be an additive to those of alcohol and other CNS depressants.
LYVISPAH should be used with caution in patients who have had a stroke. Baclofen has not significantly benefited patients with stroke. These patients have also shown poor tolerability to the drug.
LYVISPAH should be used with caution in patients suffering from psychotic disorders, schizophrenia, or confusional states. If treated with LYVISPAH, these patients should be kept under careful surveillance because exacerbations of these conditions have been observed with oral baclofen administration.
LYVISPAH should be used with caution in patients with a history of autonomic dysreflexia. The presence of nociceptive stimuli or abrupt withdrawal of LYVISPAH may cause an autonomic dysreflexic episode.
LYVISPAH should be used with caution in patients with epilepsy. Deterioration in seizure control has been reported in patients taking baclofen.
LYVISPAH should be used with caution in patients where spasticity is utilized to sustain upright posture and balance in locomotion or whenever spasticity is utilized to obtain increased function.
A dose-related increase in incidence of ovarian cysts was observed in female rats treated chronically with oral baclofen. Ovarian cysts have been found by palpation in about 4% of the multiple sclerosis patients who were treated with oral baclofen for up to one year. In most cases, these cysts disappeared spontaneously while patients continue to receive the drug. Ovarian cysts are estimated to occur spontaneously in approximately 1% to 5% of the normal female population.
Advise the patient or caregiver to read the FDA-approved patient labeling (PATIENT INFORMATION and Instructions for Use).
Instruct patient or caregiver to carefully open the LYVISPAH packet and empty the entire contents, to obtain the prescribed amount of medication. Packet contents can be administered directly into the mouth. The contents of the packet can be swallowed or will dissolve in the mouth. LYVISPAH may be taken with liquids or can also be administered in soft foods if needed [see DOSAGE AND ADMINISTRATION].
Administration Instructions with Soft Foods LYVISPAH can also be administered by mouth as a mixture with liquids or soft foods, such as apple sauce, yogurt, or pudding. One packet can be mixed with up to 15 mL (one tablespoonful) of soft food. The mixture should be administered no more than 2 hours after mixing [see DOSAGE AND ADMINISTRATION].
LYVISPAH can be administered via enteral feeding tubes, such a nasogastric (NG), gastrostomy (G), percutaneous endoscopic gastrostomy (PEG), and gastrojejunostomy (GJ) tubes.
Advise patients and caregivers not to discontinue use of LYVISPAH without consulting with their healthcare provider because sudden withdrawal of LYVISPAH can result in serious complications that include hallucinations, seizures, high fever, confusion, muscle stiffness, multiple organ-system failure, and death [see WARNINGS AND PRECAUTIONS]. Inform patients that early symptoms of LYVISPAH withdrawal may include increased spasticity, itching, and tingling of extremities.
Advise patients to notify their healthcare provider if they are pregnant, plan to become pregnant, or plan to breastfeed [see WARNINGS AND PRECAUTIONS and Use In Specific Populations].
Advise patients that LYVISPAH may cause drowsiness, and that they should avoid the operation of automobiles or other dangerous machinery, or activities made hazardous by decreased alertness when starting LYVISPAH or increasing the dose of LYVISPAH until they know how the drug affects them [see WARNINGS AND PRECAUTIONS]. Inform patients and their caregivers that the drowsiness associated with LYVISPAH use can be worsened by alcohol and other CNS depressants. Advise patients to read all medicine labels carefully, and to tell their healthcare provider about all prescription and nonprescription drugs they may use.
No increase in tumors was seen in rats receiving baclofen orally for two years at approximately 30 to 60 times on a mg/kg basis, or 10 to 20 times on a mg/m² basis, the maximum oral dose recommended for human use.
Genetic toxicology assays have not been conducted for baclofen.
Studies to evaluate the effects of baclofen on fertility have not been conducted.
There are no adequate data on the risk of major birth defects, miscarriages, or other maternal adverse outcomes associated with the use of LYVISPAH in pregnant women. There are adverse effects on fetal outcomes associated with withdrawal from baclofen after delivery (see Clinical Considerations). Oral administration of baclofen to pregnant rats resulted in an increased incidence of fetal structural abnormalities at a dose which was also associated with maternal toxicity. The background risk of major birth defects and miscarriage for the indicated population is unknown. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20%, respectively.
Fetal/Neonatal Adverse Reactions
LYVISPAH may increase the risk of late-onset neonatal withdrawal symptoms [see WARNINGS AND PRECAUTIONS].
Animal Data
Baclofen given orally has been shown to increase the incidence of omphaloceles (ventral hernias) in fetuses of rats given approximately 13 times on a mg/kg basis, or 3 times on a mg/m² basis, the maximum oral dose recommended for human use; this dose also caused reductions in food intake and weight gain in the dams. This abnormality was not seen in mice or rabbits.
At recommended oral doses, baclofen is present in human milk. There are no human data on effects of baclofen on milk production. Withdrawal symptoms can occur in breastfed infants when maternal administration of LYVISPAH is stopped, or when breastfeeding is stopped [see WARNINGS AND PRECAUTIONS]. There are no adequate data on other effects of baclofen on the breastfed infant.
The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for LYVISPAH and any potential adverse effects on the breastfed infant from LYVISPAH or from the underlying maternal condition.
Safety and effectiveness in pediatric patients below the age of 12 have not been established.
In general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy. This drug is known to be substantially excreted by the kidney, and the risk of adverse reactions to this drug may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function [see Use In Specific Populations].
Because baclofen is primarily excreted unchanged through the kidneys, LYVISPAH should be given with caution to patients with renal impairment, and it may be necessary to reduce the dosage.
With overdose of baclofen, patients may present in coma or with progressive drowsiness, lightheadedness, dizziness, somnolence, accommodation disorders, respiratory depression, seizures, or hypotonia progressing to loss of consciousness.
The treatment of baclofen overdose includes gastric decontamination, maintaining an adequate airway and respirations.
LYVISPAH is contraindicated in patients with hypersensitivity to baclofen.
The precise mechanism of action of baclofen is not fully understood. Baclofen inhibits both monosynaptic and polysynaptic reflexes at the spinal level, possibly by decreasing excitatory neurotransmitter release from afferent terminals, although actions at supraspinal sites may also occur and contribute to its clinical effect. Baclofen is a structural analog of the inhibitory neurotransmitter gamma-aminobutyric acid (GABA), and may exert its effects by stimulation of the GABA-B receptor subtype.
Baclofen has been shown to have general CNS depressant properties, as indicated by the production of sedation with tolerance, somnolence, ataxia, and respiratory and cardiovascular depression [see WARNINGS AND PRECAUTIONS, ADVERSE REACTIONS, and OVERDOSAGE].
Pharmacokinetic studies in heathy adult subjects under fasting conditions at 20 mg dose level demonstrated similar bioavailability for baclofen oral granules and oral tablets.
The peak plasma concentrations of baclofen oral granule formulation were achieved in about one hour and the apparent elimination half-life is about 5.5 hours. The exposure of baclofen was dose proportional across the dose range of 5 mg, 10 mg, and 20 mg.
Effect Of Food
Administering LYVISPAH with or without water, or with applesauce did not affect the bioavailability of baclofen oral granules. Administration with a high fat meal resulted in 10% decrease in AUC and 29% decrease in Cmax compared to the fasted state.
Baclofen is excreted primarily by the kidney in unchanged form, and there is relatively large intersubject variation in absorption and/or elimination.
The efficacy of LYVISPAH is based upon a bioavailability study in healthy adults comparing baclofen oral tablets to LYVISPAH [see CLINICAL PHARMACOLOGY].
LYVISPAH
(lye vis' pah)
(baclofen) oral granules
What is LYVISPAH?
Do not take LYVISPAH if you:
Before taking LYVISPAH, tell your healthcare provider about all of your medical conditions, including if you:
Tell your healthcare provider about all the medicines you take, including prescription and over-thecounter medicines, vitamins, and herbal supplements.
How should I take LYVISPAH?
See the “Instructions for Use” at the end of this Patient Information leaflet for instructions on how to take or give LYVISPAH.
What should I avoid while taking LYVISPAH?
What are the possible side effects of LYVISPAH?
LYVISPAH can cause serious side effects, including:
The most common side effects of LYVISPAH include drowsiness, dizziness, and weakness.
These are not all the side effects of LYVISPAH. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088 or Amneal Pharmaceuticals at 1-877-835- 5472.
How should I store LYVISPAH?
Store LYVISPAH at room temperature between 68°F to 77°F (20°C to 25°C).
General information about the safe and effective use of LYVISPAH.
Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leaflet. Do not use LYVISPAH for a condition for which it was not prescribed. Do not give LYVISPAH to other people, even if they have the same symptoms that you have. It may harm them. You can ask your pharmacist or healthcare provider for information about LYVISPAH that is written for health professionals.
What are the ingredients in LYVISPAH?
Active ingredient: baclofen
Inactive ingredients: amino methacrylate copolymer, calcium stearate, colloidal silicon dioxide, crospovidone, hypromellose, mannitol, saccharin sodium, strawberry flavor, talc, and xylitol.
For more information visit www.lyvispah.com or contact Amneal Pharmaceuticals at 1-877-835- 5472
INSTRUCTIONS FOR USE
LYVISPAH
(lye vis' pah)
(baclofen) oral granules
Important information to know before taking LYVISPAH
LYVISPAH can be taken without liquids.
If needed, LYVISPAH can be mixed with liquids or soft foods. LYVISPAH should be taken within 2 hours of mixing into liquids or soft foods.
How to take LYVISPAH?
Opening LYVISPAH
Shake the packet to distribute settled granules to the bottom of the packet. Carefully open the LYVISPAH packet by cutting the dotted lines across the top of the packet (see the figure).
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Taking LYVISPAH by emptying the granules into the mouth
Empty all the granules in the LYVISPAH packet directly into your mouth. The granules will dissolve in your mouth or can be swallowed. After taking LYVISPAH, you can drink water if needed to swallow any granules left in your mouth.
Taking LYVISPAH with liquids or soft foods
LYVISPAH can be taken or given by mouth as a mixture with liquids such as milk or apple juice. LYVISPAH can also be taken or given by mouth as a mixture with soft foods such as apple sauce, yogurt, or pudding.
Giving LYVISPAH through a feeding tube
LYVISPAH can be given through enteral feeding tubes such as nasogastric (NG), gastrostomy (G), percutaneous endoscopic gastrostomy (PEG), and gastrojejunostomy (GJ) tubes.
Important Information
Take the entire packet of LYVISPAH to get the prescribed dose. Do not take only part of the medicine. Do not save a portion for later.
Keep LYVISPAH and all medicines out of the reach of children.
This Patient Information and Instructions for Use have been approved by the US Food and Drug Administration.
