ZORBTIVE- somatropin kit

Zorbtive by

Drug Labeling and Warnings

Zorbtive by is a Prescription medication manufactured, distributed, or labeled by EMD Serono, Inc., Merck Serono, S.A. Drug facts, warnings, and ingredients follow.

Drug Details [pdf]

  • 1 INDICATIONS AND USAGE

    Zorbtive® is indicated for the treatment of short bowel syndrome in adult patients receiving specialized nutritional support.

  • 2 DOSAGE AND ADMINISTRATION

    2.1 Recommended Dosage

    The recommended dosage of Zorbtive® in adults is 0.1 mg/kg subcutaneously once daily to a maximum daily dose of 8 mg for 4 weeks.

    Dosage Titration for Fluid Retention and Arthralgia/Carpal Tunnel Syndrome [see Warnings and Precautions (5.6, 5.7)]

    • For moderate toxicity, treat symptomatically with analgesics or reduce the dosage of Zorbtive® to 0.05 mg/kg (maximum total dose of 4 mg) subcutaneously once daily.
    • For severe toxicity, discontinue Zorbtive® for up to 5 days. Upon resolution of symptoms, resume Zorbtive® at 0.05 mg/kg (maximum total dose of 4 mg) subcutaneously once daily. Permanently discontinue Zorbtive®, if severe toxicity recurs or does not disappear within 5 days.

    2.2 Preparation Instructions

    Zorbtive® is provided in a package that contains all items required to reconstitute and inject the drug [see How Supplied/Storage and Handling (16)]. Prepare Zorbtive® using the following steps.

    • 1. Determine the volume needed for the prescribed dosage based on the patient's weight and recommended dosage. Patient weight should be rounded to the nearest kilogram when determining dose. Table 1 below provides the volume of diluent to be added for the reconstitution and concentration of the reconstituted solution for Zorbtive® vial 8.8 mg.
    Table 1: Reconstitution of Injection
    Adult Patient Weight (kg)Volume of diluent to be added for the reconstitution (mL)Concentration of reconstituted solution (mg/mL)
    More than 44 kg1 mL8.8 mg/mL
    Less than or equal to 44 kg2 mL4.4 mg/mL
    • 2. Use appropriate aseptic technique when preparing and administering Zorbtive®.
    • 3. Reconstitute the vial(s) of Zorbtive® with either 1 mL or 2 mL of Bacteriostatic Water for Injection, USP (containing Benzyl Alcohol) using a 3 mL syringe. Inject the appropriate amount of diluent into the vial of Zorbtive® aiming the liquid against the glass vial wall. For patients unable to receive Benzyl Alcohol, Zorbtive® may be reconstituted with Sterile Water for Injection, USP [see Warnings and Precautions (5.12)].
    • 4. Gently swirl the vial in circles until the contents are dissolved completely. DO NOT SHAKE.
    • 5. Visually inspect the reconstituted solution. The final reconstituted solution should be clear and colorless. Discard the vial if the solution is cloudy or contains particulate matter.

    2.3 Administration Instructions

    1. Withdraw the required volume of the reconstituted solution using a 1 mL syringe with a 29-gauge needle.
    2. Inject the full contents of the syringe subcutaneously at a 90° angle into the top side of the thigh, the areas around the belly button, the back of the upper arms, and the buttocks or hips.
    3. Rotate injection sites and do not give injections into areas where the skin is tender, bruised, red, or hard.

    2.4 Storage of Diluted Solution

    Once reconstituted with Bacteriostatic Water for Injection, USP (containing Benzyl Alcohol), Zorbtive® should be stored under refrigeration (2 to 8°C/36 to 46°F) and for no more than 14 days. Do not freeze. If Zorbtive® is reconstituted with Sterile Water for Injection, USP, the reconstituted solution should be used immediately and any unused solution should be discarded.

  • 3 DOSAGE FORMS AND STRENGTHS

    For injection: 8.8 mg, white lyophilized powder in a single-patient use vial for reconstitution.

  • 4 CONTRAINDICATIONS

    Zorbtive® is contraindicated in patients with:

    • active malignancy
    • acute critical illness due to complications following open heart or abdominal surgery, multiple accidental trauma or acute respiratory failure [see Warnings and Precautions (5.2)]
    • active proliferative or severe non-proliferative diabetic retinopathy
    • hypersensitivity to somatropin or any of the excipients of Zorbtive®. Systemic hypersensitivity reactions have been reported with postmarketing use of somatropin products [see Warnings and Precautions (5.4)]
  • 5 WARNINGS AND PRECAUTIONS

    5.1 Neoplasms

    Zorbtive® is contraindicated in patients with active malignancy. Any preexisting malignancy should be inactive and its treatment complete prior to instituting therapy with somatropin. Discontinue somatropin if there is evidence of recurrent activity [see Contraindications (4)].

    In childhood cancer survivors, an increased risk of a second neoplasm has been reported in patients treated with somatropins after their first neoplasm. Intracranial tumors, in particular meningiomas, in patients treated with radiation to the head for their first neoplasm, were the most common of these second neoplasms. In adult cancer survivors, the risk of occurrence is unknown. Given the limited data available, patients under growth hormone therapy should be carefully monitored for progression or recurrence of the tumor.

    The safety and effectiveness of Zorbtive® in the treatment for short bowel syndrome in pediatric patients have not been established and Zorbtive® is not approved for use in pediatric patients.

    Monitor patients on somatropin therapy carefully for potential malignant changes of preexisting nevi.

    5.2 Acute Critical Illness

    Increased mortality in patients with acute critical illness due to complications following open heart surgery, abdominal surgery or multiple accidental trauma, or those with acute respiratory failure has been reported after treatment with pharmacologic amounts of somatropin [see Contraindications (4)]. Two placebo-controlled clinical trials in non-growth hormone deficient adult patients (n=522) with these conditions in intensive care units revealed a significant increase in mortality (42% vs. 19%) among somatropin-treated patients (doses 5.3 to 8 mg per day) compared to those receiving placebo. Discontinue Zorbtive® if the patient has acute critical illness.

    5.3 Impaired Glucose Tolerance/Diabetes Mellitus

    The use of somatropins have been associated with cases of new onset impaired glucose intolerance, new onset type 2 diabetes mellitus and exacerbation of preexisting diabetes mellitus. Some patients developed diabetic ketoacidosis and diabetic coma. In some patients, these conditions improved when the drug was discontinued, while in others the glucose intolerance persisted. Some patients necessitated initiation or adjustment of antidiabetic treatment (e.g., insulin and/or other oral/injectable hypoglycemic agents) while on somatropin. Monitor blood glucose in patients with other risk factors for glucose intolerance during Zorbtive® therapy and adjust antidiabetic treatment, as needed.

    5.4 Hypersensitivity Reactions

    Serious systemic hypersensitivity reactions including anaphylactic reactions and angioedema have been reported with postmarketing use of somatropin products. Inform patients and caregivers that such reactions are possible and to seek prompt medical attention if a hypersensitivity reaction occurs. [see Contraindications (4)].

    5.5 Lipoatrophy

    When somatropins are administered subcutaneously at the same site over a long period of time, tissue atrophy may result. Avoid tissue atrophy by rotating the injection site [see Dosage and Administration (2.3)].

    5.6 Fluid Retention and Arthralgia

    Increased fluid retention resulting in tissue turgor (swelling, particularly in the hands and feet) and arthralgia resulting in musculoskeletal discomfort (pain, swelling and/or stiffness) may occur during treatment with Zorbtive®, but may resolve spontaneously or with analgesic therapy or after reducing the dosage [see Dosage and Administration (2.1)].

    5.7 Carpal Tunnel Syndrome

    Carpal tunnel syndrome may occur during treatment with somatropin. If the symptoms of carpal tunnel syndrome do not resolve by decreasing the dosage of Zorbtive®, discontinue treatment [see Dosage and Administration (2.1)].

    5.8 Pancreatitis

    Cases of pancreatitis have been reported in pediatric patients and adults receiving somatropin treatment, with some evidence supporting a greater risk in pediatric patients compared with adults. Published literature indicates that females who have Turner syndrome may be at greater risk than other somatropin-treated pediatric patients. Pancreatitis should be considered in any somatropin-treated patient, especially a pediatric patient who develops abdominal pain. The safety and effectiveness of Zorbtive® in the treatment for short bowel syndrome in pediatric patients have not been established and Zorbtive® is not approved for use in pediatric patients.

    5.9 Hypoadrenalism

    Patients receiving somatropin therapy who have or are at risk for pituitary homone deficiency(s) may be at risk for reduced serum cortisol levels and/or unmasking of central (secondary) hypoadrenalism. In addition, patients treated with glucocorticoid replacement for previously diagnosed hypoadrenalism may require an increase in their maintenance or stress doses following initiation of Zorbtive® therapy [see Drug Interactions (7.1)].

    5.10 Hypothyroidism

    Growth hormone can affect the metabolism of thyroid hormones by increasing the extrathyroidal conversion of T4 to T3 and this lowering effect on T4 may unmask incipient central hypothyroidism in hypopituitary patients. Evaluate thyroid function in patients with suspected and/or diagnosed hypopituitarism before starting Zorbtive® therapy and again following 4 weeks of treatment. If hypothyroidism is diagnosed following a course of Zorbtive® therapy, it should be corrected.

    5.11 Intracranial Hypertension

    No cases of intracranial hypertension (IH) have been observed among patients with short bowel syndrome treated with Zorbtive®. The syndrome of intracranial hypertension (IH), with papilledema, visual changes, headache, and nausea and/or vomiting has been reported in a small number of pediatric patients with growth failure treated with somatropins. Symptoms usually occurred within the first 8 weeks after the initiation of somatropin therapy. IH-associated signs and symptoms usually resolved after cessation of therapy or a reduction of the somatropin dosage. The safety and effectiveness of Zorbtive® in the treatment for short bowel syndrome in pediatric patients have not been established and Zorbtive® is not approved for use in pediatric patients.

    Funduscopic evaluation of patients is recommended at the initiation of Zorbtive® therapy and if patients present with symptoms of IH. If papilledema is observed by funduscopy during Zorbtive® treatment, discontinue treatment.

    5.12 Risk of Serious Adverse Reactions in Infants due to Benzyl Alcohol Preservative

    Zorbtive® is not approved for use in neonates or infants. Serious and fatal adverse reactions including "gasping syndrome" can occur in neonates and low birth weight infants treated with benzyl alcohol-preserved drugs, including Zorbtive® when reconstituted with Bacteriostatic Water for Injection, USP. The "gasping syndrome" is characterized by central nervous system depression, metabolic acidosis, and gasping respirations. The minimum amount of benzyl alcohol at which serious adverse reactions may occur is not known (when reconstituted with Bacteriostatic Water for Injection, USP, Zorbtive® contains 9 mg of benzyl alcohol per mL) [see Use in Specific Populations (8.4)].

  • 6 ADVERSE REACTIONS

    The following serious adverse reactions are described below and elsewhere in the labeling:

    6.1 Clinical Trials Experience

    Because clinical trials are conducted under varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot always be directly compared to the rates in the clinical trials of another drug, and may not reflect the adverse reaction rates observed in practice.

    In a double-blind, randomized, placebo-controlled clinical trial, 32 patients were exposed to Zorbtive® for 4 weeks. Of the 41 patients enrolled in the trial, 16 patients received Zorbtive® (0.1 mg/kg per day) plus supportive oral diet, 16 patients received subcutaneous Zorbtive® (0.1 mg/kg per day) plus supportive oral diet plus oral glutamine (30 grams per day), and 9 patients received placebo with specialized oral diet and oral glutamine (30 grams per day).

    The most common adverse reactions occurring in greater than 20% of patients treated with Zorbtive® alone and at a higher frequency than in the control group include peripheral edema, facial edema, arthralgia, injection site pain, flatulence, and abdominal pain.

    Table 2 summarizes adverse reactions that occurred in at least 10% of patients receiving Zorbtive®, alone or in combination with glutamine and at a higher incidence than in the control group.

    Table 2: Adverse Reactions* in a Randomized, Placebo Controlled Trial of Zorbtive® in Adult Patients with Short Bowel Syndrome: 4 Week Treatment Period
    Treatment Group*
    Adverse Reaction
    Zorbtive® aloneZorbtive® + GlutamineControl (Placebo + Glutamine)
    n=16
    n (%)    		n=16
    n (%)    		n=9
    n (%)
  • * occurring at in ≥10% of Zorbtive® -treated patients and at a higher incidence than control
    		•
    Peripheral edema11 (69)13 (81)1 (11)
    Facial edema8 (50)7 (44)0 (0)
    Arthralgia7 (44)5 (31)0 (0)
    Injection site pain5 (31)0 (0)0 (0)
    Flatulence4 (25)4 (25)2 (22)
    Abdominal pain4 (25)2 (13)1 (11)
    Injection site reaction3 (19)4 (25)1 (11)
    Vomiting3 (19)3 (19)1 (11)
    Pain3 (19)1 (6)1 (11)
    Nausea2 (13)5 (31)0 (0)

    After 4 weeks of treatment with Zorbtive® patients were discharged for follow-up on a supportive oral diet supplemented either with glutamine or glutamine placebo, and subjects were re-evaluated as outpatients 12 weeks later. No new adverse drug reactions were observed in the follow up period.

    6.2 Postmarketing Experience

    The following adverse reactions have been identified during post-approval use of Zorbtive® or other somatropin products. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

    Zorbtive®:

    • headache
    • gynecomastia

    Other somatropin products:

  • 7 DRUG INTERACTIONS

    7.1 Glucocorticoids

    The microsomal enzyme 11β-hydroxysteroid dehydrogenase type 1 (11βHSD-1) is required for conversion of cortisone to its active metabolite, cortisol, in hepatic and adipose tissue. Somatropin inhibits 11βHSD-1 which can lead to reduced serum cortisol concentrations. As a consequence, in patients treated with Zorbtive®, previously undiagnosed secondary (central) hypoadrenalism may be unmasked and glucocorticoid replacement may be required in patients treated with Zorbtive®. In addition, patients treated with glucocorticoid replacement therapy for previously diagnosed hypoadrenalism may require an increase in their maintenance or stress doses following the initiation of Zorbtive® therapy [see Warnings and Precautions (5.9)]. However, formal drug interaction studies have not been conducted.

    7.2 Cytochrome P450-Metabolized Drugs

    Limited published data indicate that somatropin treatment increases cytochrome P450 (CYP450)-mediated antipyrine clearance in humans, which involves multiple isozymes including CYP1A2, CYP2B6, CYP2C8, CYP2C9, CYP2C18, and CYP3A4. These data suggest that somatropin administration may alter the clearance of compounds metabolized by CYP450 liver enzymes (e.g., corticosteroids, sex steroids, anticonvulsants, cyclosporine). When somatropin is administered in combination with these drugs, monitor clinical response to the CYP-metabolized drug, as dosage adjustments may be required. However, formal drug interaction studies have not been conducted.

    7.3 Oral Estrogen

    Because oral estrogens may reduce the serum IGF-1 response to somatropin treatment, females receiving oral estrogen replacement may have reduced efficacy from Zorbtive®. However, formal drug interaction studies have not been conducted. Monitor patients taking oral estrogens for lack of efficacy of Zorbtive®.

    7.4 Insulin and/or Other Oral/Injectable Hypoglycemic Agents

    Patients with diabetes mellitus who receive concomitant antidiabetic treatment with Zorbtive® may require adjustment of their doses of insulin and/or other hypoglycemic agents [see Warnings and Precautions (5.3)]. However, formal drug interaction studies have not been conducted.

  • 8 USE IN SPECIFIC POPULATIONS

    8.1 Pregnancy

    Risk Summary

    There are no available data on Zorbtive® use in pregnant women to inform any drug associated risks. In animal reproduction studies, no fetal harm was reported with subcutaneous administration of somatropin during the period of organogenesis in rats and rabbits at doses of approximately up to 5 and 10 times, respectively, the recommended human dose of 0.1 mg/kg/day [see Data]. The estimated background risk of major birth defects and miscarriages for the indicated population are unknown. In the U.S. general population, the estimated background risk of major birth defects and miscarriages in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively.

    Data

    Animal Data

    Reproduction studies of somatropin have been performed in rats and rabbits. Administration of somatropin to rats and rabbits during the period of organogenesis at subcutaneous doses of approximately up to 5 and 10 times the recommended human dosage of 0.1 mg/kg/day, based on body surface area, respectively, have revealed no evidence of harm to the fetus due to somatropin. In a pre- and post-natal development study in rats, subcutaneous doses of approximately up to 5 times the recommended human dosage of 0.1 mg/kg/day (based on body surface area) had no adverse effect on pre- and post-natal development.

    8.2 Lactation

    Risk Summary

    There are no data on the presence of somatropin in human milk. Limited published literature reports no adverse effects on breastfed infants with maternal administration of somatropin. No decrease in milk production or change in milk content during treatment with somatropin has been reported. The developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for Zorbtive® and any potential adverse effects on the breastfed infant from Zorbtive® or from the underlying maternal condition.

    8.4 Pediatric Use

    The safety and effectiveness of Zorbtive® in the treatment for short bowel syndrome in pediatric patients have not been established.

    Zorbtive® is contraindicated in patients with active malignancy. In pediatric cancer survivors, an increased risk of a second neoplasm has been reported in patients treated with somatropins after their first neoplasm. Intracranial tumors, in particular meningiomas, in patients treated with radiation to the head for their first neoplasm, were the most common of these second neoplasms [see Warnings and Precautions (5.1)].

    Cases of pancreatitis have been reported in patients receiving somatropin treatment, with some evidence supporting a greater risk in pediatric patients compared with adults, particularly females with Turner syndrome [see Warnings and Precautions (5.8)].

    The syndrome of intracranial hypertension (IH), with papilledema, visual changes, headache, and nausea and/or vomiting has been reported in a small number of pediatric patients with growth failure treated with somatropins [see Warnings and Precautions (5.11)].

    Zorbtive® is not approved for use in neonates or infants. Serious adverse reactions including fatal reactions and the "gasping syndrome" occurred in premature neonates and low birth weight infants in the neonatal intensive care unit who received benzyl alcohol as a preservative. In these cases, benzyl alcohol dosages of 99 to 234 mg/kg/day produced high levels of benzyl alcohol and its metabolites in the blood and urine (blood levels of benzyl alcohol were 0.61 to 1.378 mmol/L). Additional adverse reactions included gradual neurological deterioration, seizures, intracranial hemorrhage, hematologic abnormalities, skin breakdown, hepatic and renal failure, hypotension, bradycardia, and cardiovascular collapse. Preterm, low-birth weight infants may be more likely to develop these reactions because they may be less able to metabolize benzyl alcohol. The minimum amount of benzyl alcohol at which serious adverse reactions may occur is not known (when reconstituted with Bacteriostatic Water for Injection, USP, Zorbtive® contains 9 mg of benzyl alcohol per mL) [see Warnings and Precautions (5.12)].

    Zorbtive® is a recombinant human growth hormone and therefore may increase growth and cause growth-related problems (e.g. slipped capital femoral epiphysis) in the patients receiving it, particularly pediatric patients whose epiphyses are not yet closed.

    8.5 Geriatric Use

    Clinical studies with Zorbtive® did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. Elderly patients may be more sensitive to growth hormone action, and may be more prone to develop adverse reactions. Thus, dose selection for an elderly patient should be cautious, usually starting at a lower dose.

  • 10 OVERDOSAGE

    Short-Term

    Acute overdosage could lead initially to hypoglycemia and subsequently to hyperglycemia.

    Long-Term

    Long-term overdosage could result in signs and symptoms of acromegaly consistent with the known effects of excess growth hormone.

  • 11 DESCRIPTION

    Zorbtive® (somatropin) for injection is a human growth hormone produced by recombinant DNA technology for subcutaneous use. Zorbtive® has 191 amino acid residues and a molecular weight of 22,125 daltons. Its amino acid sequence and structure are identical to the dominant form of human pituitary growth hormone. Zorbtive® is produced by a mammalian cell line (mouse C127) that has been modified by the addition of the human growth hormone gene. Zorbtive® is secreted directly through the cell membrane into the cell-culture medium for collection and purification.

    Zorbtive® is a highly purified preparation. Biological potency is determined by measuring the increase in the body weight induced in hypophysectomized rats.

    Zorbtive® is a sterile, lyophilized powder available in 8.8 mg vials for single-patient use. Each 8.8 mg vial contains 8.8 mg somatropin, 2.05 mg phosphoric acid and 60.19 mg sucrose.

  • 12 CLINICAL PHARMACOLOGY

    12.1 Mechanism of Action

    Intestinal mucosa contains receptors for growth hormone and for insulin-like growth factor-1 (IGF-1), which is known to mediate many of the cellular actions of growth hormone. Thus, the actions of somatropin on the gut may be direct or mediated via the local or systemic production of IGF-1.

    In human clinical studies the administration of growth hormone has been shown to enhance the transmucosal transport of water, electrolytes, and nutrients.

    12.3 Pharmacokinetics

    Absorption

    The absolute bioavailability of somatropin after subcutaneous administration was 70% to 90%. The mean half-life (t½) after subcutaneous administration is approximately 4 hours compared to 0.6 hours following intravenous administration in male healthy subjects down-regulated with somatostatin, indicating that the subcutaneous absorption of somatropin is a rate-limiting process. No significant accumulation of somatropin appears to occur after 4 weeks of subcutaneous daily dosing as indicated.

    Distribution

    The steady-state volume of distribution (Mean ± SD) following intravenous administration of Zorbtive® in healthy subjects was 12 ± 1 L.

    Elimination

    Somatropin clearance involves both linear and nonlinear, i.e., concentration-dependent, components. The t½ (Mean ± SD) in nine patients with HIV-associated wasting with an average weight of 57 ± 7 kg, given a 6 mg dose of somatropin subcutaneously was 4 ± 2 hrs.

    Metabolism

    Although the liver is expected to play a role in the metabolism of somatropin, somatropin is primarily cleaved in the kidney. Somatropin undergoes glomerular filtration and, after cleavage within the renal cells, the peptides and amino acids are returned to the systemic circulation.

    Excretion

    The renal clearance of somatropin after subcutaneous administration in nine patients with HIV-associated wasting was 0.0015 ± 0.0037 L/h.

    Specific Populations

    Age: Pediatric Population

    Available evidence suggests that clearance of somatropin is similar in adults and pediatric patients, but no pharmacokinetic studies have been conducted in pediatric patients with short bowel syndrome.

    Sex

    Literature indicates that a sex-related difference in the mean clearance of somatropins exists (clearance of somatropin is greater in males compared to females). However, no sex-based analysis is available in healthy subjects or patients with short bowel syndrome.

    Renal Impairment

    Subjects with chronic renal failure tend to have decreased somatropin clearance compared to those with normal renal function; but the clinical significance in patients with short bowel syndrome treated with Zorbtive® is unknown.

    Hepatic Impairment

    A reduction in somatropin clearance has been noted in patients with severe liver impairment, but the clinical significance in patients with short bowel syndrome treated with Zorbtive® is unknown.

  • 13 NONCLINICAL TOXICOLOGY

    13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility

    Long-term animal studies have not been performed to assess the carcinogenic potential of Zorbtive®. Somatropin was not genotoxic in in vitro and in vivo genotoxicity studies.

    Subcutaneous administration of somatropin to male and female rats at doses up to approximately 5 times the human dosage of 0.1 mg/kg/day (based on body surface area) revealed no evidence of impairment of fertility or early embryonic development.

  • 14 CLINICAL STUDIES

    The efficacy of Zorbtive® was evaluated in a double-blind, randomized, placebo-controlled clinical trial in 41 adult patients with short bowel syndrome (SBS). Patients were 18 to 75 years of age, 12 (29%) were male, and 32 (78%) were White. The patients were randomized into three groups. The first treatment group (n=16) received Zorbtive® (0.1 mg/kg per day) plus specialized oral diet (high carbohydrate, low-fat diet, adjusted for individual patient requirements and preferences), and the second treatment group (n=16) received Zorbtive® (0.1 mg/kg per day) plus specialized oral diet plus oral glutamine (30 grams per day). The control group (n= 9) received placebo with specialized oral diet and oral glutamine (30 grams per day). Study treatment was administered subcutaneously once daily for 4 weeks. After completion of 4 weeks of treatment, patients were discharged for follow-up on a supportive oral diet supplemented either with glutamine or glutamine placebo, and patients were re-evaluated as outpatients 12 weeks later.

    The primary endpoint of the study was the change in weekly total intravenous parenteral nutrition (IPN) volume defined as the sum of the volumes of IPN, supplemental lipid emulsion (SLE), and intravenous hydration fluid. The secondary endpoints were the change in weekly IPN caloric content and the change in the frequency of IPN administration per week. The mean baseline IPN volume, mean IPN caloric content, and mean frequency of IPN administration are provided in Table 3. Mean reductions in IPN volume, IPN caloric content and the frequency of IPN administration in each patient group were significantly greater in both Zorbtive®-treated groups than in the control group.

    Table 3: Randomized, Placebo Controlled Trial of Zorbtive® in Adult Patients with Short Bowel Syndrome: Results for Endpoints after 4 Weeks of Treatment
    Zorbtive® aloneZorbtive® + GlutamineControl (Placebo + Glutamine)
    Total IPN volume (L/wk)
      Mean at Baseline10.310.513.5
    Mean Change-5.9-7.7-3.8
    Treatment Differences (with control)-2.1*-3.9**
    Total IPN Calories (kcal/wk)
      Mean at Baseline7634.77895.08570.4
      Mean Change-4338.3-5751.2-2633.3
    Treatment Differences (with control)-1705.0-3117.9
    Frequency of IPN or SLE (days/wk)
      Mean at Baseline5.15.45.9
      Mean Change-3.0-4.2-2.0
    Treatment Differences (with control)-1.0-2.2
  • 16 HOW SUPPLIED/STORAGE AND HANDLING

    Zorbtive® is packaged as NDC: 44087-3388-7:

    • single-patient use vials of Zorbtive®, each containing 8.8 mg of somatropin as a white lyophilized powder for injection
    • single-patient use vials of Bacteriostatic Water for Injection, USP (0.9% Benzyl Alcohol)

    Before Reconstitution: Vials of Zorbtive® and diluent should be stored at room temperature (15-30°C/59-86°F). Expiration dates are stated on product labels.

    After Reconstitution with Bacteriostatic Water for Injection, USP (0.9% Benzyl Alcohol): The reconstituted solution should be stored under refrigeration (2 to 8°C/36 to 46°F) for no more than 14 days. Avoid freezing reconstituted vials of Zorbtive®.

  • 17 PATIENT COUNSELING INFORMATION

    Advise the patient to read the FDA-approved patient labeling (Patient Information and Instructions for Use)

    Glucose Intolerance/Diabetes Mellitus

    Inform patients that new onset impaired glucose intolerance/diabetes mellitus or exacerbation of preexisting diabetes mellitus can occur and monitoring of blood glucose during treatment with Zorbtive® may be needed [see Warnings and Precautions (5.3)].

    Hypersensitivity Reactions

    Inform patients that local or systemic reactions are possible. Instruct patients to contact their healthcare provider should they experience any side effects or discomfort during treatment with Zorbtive® [see Warnings and Precautions (5.4)].

    Administration

    Administer Zorbtive® using sterile, disposable syringes and needles. Instruct patient in the importance of proper disposal and cautioned against any reuse of needles and syringes. An appropriate container for the disposal of used syringes and needles should be employed.

    Instruct patients to rotate injection sites to avoid localized tissue atrophy [see Warnings and Precautions (5.5)].

    Refer patients to the Instructions for Use on how to prepare and administer an injection of Zorbtive.

    Fluid Retention/Carpel Tunnel Syndrome

    Inform patients that increased tissue turgor (swelling, particularly in the hands and feet) and musculoskeletal discomfort (pain, swelling and/or stiffness) may occur during treatment with Zorbtive® and to report to their healthcare provider any signs or symptoms that occur during treatment with Zorbtive® [see Warnings and Precautions (5.6 and 5.7)].

    Pancreatitis

    Inform patients that pancreatitis may develop and to report to their healthcare provider any new onset abdominal pain [see Warnings and Precautions (5.8)].

    Hypoadrenalism

    Inform patients who have or who are at risk for pituitary hormone deficiency(s) that hypoadrenalism may develop and to report to their healthcare provider if they experience hyperpigmentation, extreme fatigue, dizziness, weakness, or weight loss [see Warnings and Precautions (5.9)].

    Hypothyroidism

    Inform patients that hypothyroidism may develop and that their thyroid function may be monitored before starting Zorbtive® and again following 4 weeks of treatment [see Warnings and Precautions (5.10)].

    Intracranial Hypertension

    Instruct patients to report to their healthcare provider any visual changes, headache, and nausea and/or vomiting [see Warnings and Precautions (5.11)].

  • SPL UNCLASSIFIED SECTION

    Manufactured for: EMD Serono, Inc., Rockland, MA 02370

  • PATIENT PACKAGE INSERT

    Manufactured for:
    EMD Serono, Inc., Rockland, MA 02370
    For more information call the AXIS® Center at 1-877-714-2847.
    This Patient Information has been approved by the U.S. Food and Drug Administration
    Revised: September 2019
    Patient Information
    Zorbtive    ® (Zorb-tiv)
    (somatropin) for injection
    for subcutaneous use
    What is Zorbtive®?
    Zorbtive® is a prescription medicine used to treat adults with short bowel syndrome who are receiving a special diet.
    It is not known if Zorbtive® is safe and effective for use as a treatment for children with short bowel syndrome.
    Who should not use Zorbtive®?
    Do not use Zorbtive® if you:
    • have cancer
    • have a serious medical condition after having:
      • open heart surgery
      • stomach area (abdominal) surgery
      • an accident (trauma)
      • severe breathing problems (respiratory failure)
    • have eye problems caused by diabetes (active proliferation or severe non-proliferative diabetic retinopathy)
    • are allergic to any of the ingredients in Zorbtive®. See the end of this leaflet for a complete list of ingredients in Zorbtive®.
    Talk to your healthcare provider before using this medicine if you have any of these conditions.
    Before using Zorbtive®, tell your healthcare provider about all of your medical conditions, including if you:
    • had cancer
    • have diabetes or blood sugar problems
    • have or had numbness and tingling in your wrist and hand (carpal tunnel syndrome)
    • have thyroid problems (hypothyroidism)
    • have pancreas problems
    • have kidney or liver problems
    • are pregnant or plan to become pregnant. It is not known if Zorbtive® will harm your unborn baby.
    • are breastfeeding or plan to breastfeed. It is not known if Zorbtive® passes into your breast milk. Talk to your healthcare provider about the best way to feed your baby while using Zorbtive®.
    Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins and herbal supplements.
    Zorbtive® and other medicines may affect each other causing serious side effects. Ask your healthcare provider or pharmacist for a list of these medicines if you are not sure.
    Know the medicines you take. Keep a list of them to show your healthcare provider when you get a new medicine.
    How should I use Zorbtive®?
    • See the Instructions for Use at the end of this leaflet for detailed instructions about how to inject Zorbtive® the right way. Do not use Zorbtive® until your healthcare provider has shown you how to inject Zorbtive® the right way.
    • Use Zorbtive® exactly as your healthcare provider tells you to. Your healthcare provider will tell you how much Zorbtive® to use and when to use it. Your healthcare provider may change your dose if needed.
    • Zorbtive® is injected under the skin (subcutaneously) 1 time a day for 4 weeks. Your healthcare provider will tell you where to inject Zorbtive®. Some examples of common injection sites include the top side of the thigh, the areas around the belly button, the back of the upper arms, and the buttocks or hips.
    • Change (rotate) your injection site with each injection. Do not inject Zorbtive® into skin that is tender, bruised, red, or hard.
    • Always use a new, unopened, needle and syringe for each injection. Never reuse needles and syringes.
    • Throw away used needles and syringes in a FDA approved sharps container. See "Disposing of used needles and syringes" in the Zorbtive® Instructions for Use.
    What are the possible side effects of Zorbtive®?
    Zorbtive® may cause serious side effects, including:
    • return of tumor or cancerous growth. If you had cancer in the past, using Zorbtive® may cause your cancer to come back. See "Who should not use Zorbtive®" above.
    • diabetes or blood sugar problems. Zorbtive® can cause diabetes or blood sugar problems that do not go away after you stop using Zorbtive®. Zorbtive® can also cause your diabetes and blood sugar problems that you already have to get worse. Your healthcare provider may need to check your blood sugar or change your diabetes medicines while you are using Zorbtive®.
    • serious allergic reactions. Stop using Zorbtive® and go to the nearest hospital emergency room right away if you have any signs or symptoms indicating anaphylactic shock which may include fainting, confusion, trouble swallowing, and difficulty breathing.
    • injection site reactions (atrophy). Zorbtive® may cause redness, itching, and tissue weakness in the area of skin you injected. Changing (rotating) your injection site each time may lower the chances of injection site atrophy.
    • swelling of your hands and feet (fluid retention). Call your healthcare provider if you have any swelling of your hands and feet.
    • numbness and tingling in your wrist and hand (carpal tunnel syndrome).
    • decrease in thyroid hormone levels in your blood (hypothyroidism). Your healthcare provider will do blood tests to check your thyroid function before you start and 4 weeks after you stop using Zorbtive®.
    • decreased function of adrenal glands (hypoadrenalism). Call your healthcare provider if you experience changes in skin color, extreme tiredness, dizziness, weakness, or unexplained weight loss.
    • pancreatitis. Call your healthcare provider or go to the nearest hospital emergency room right away if you have any signs or symptoms of sudden pancreatitis including:
    • severe pain in the upper stomach area
    • sweating, nausea, vomiting
    • skin and whites of the eyes turn yellow
    • swollen and tender stomach area
    • fever
    • fast heart beat
    • increased pressure in your skull (intracranial hypertension). Your healthcare provider may test your eyes while you use Zorbtive®. Call your healthcare provider or go to the nearest hospital emergency room right away if you have any signs or symptoms of intracranial hypertension including:
    • headaches
    • nausea or vomiting
    • vision changes
    • benzyl alcohol toxicity. Benzyl alcohol is a preservative in the Bacteriostatic Water for Injection (water for mixing the multi-dose vial of Zorbtive®). Benzyl alcohol has caused serious side effects, including death, in children, especially premature and low-birth weight infants who received the preservative benzyl alcohol. Ask your healthcare provider or pharmacist for plain sterile water for mixing with Zorbtive® if you are allergic to benzyl alcohol.
    The most common side effects of Zorbtive® include:
    • swelling of the arms, legs, hands, feet, face
    • gas
    • nausea
    • stomach area (abdominal), injection site pain
    • muscle pain and stiffness
    • injection site reactions
    • vomiting
    • pain
    These are not all the possible side effects of Zorbtive®. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
    How should I store Zorbtive®?
    • Store unmixed vials of Zorbtive®, Sterile Water, and Bacteriostatic Water for Injection, USP (0.9% Benzyl Alcohol), at room temperature between 59°F to 86°F (15°C to 30°C).
    • Store Zorbtive® mixed with Bacteriostatic Water for Injection, USP (0.9% Benzyl Alcohol) in the refrigerator between 36°F to 46°F (2°C to 8°C) for up to 14 days (2 weeks).
    • Zorbtive® mixed with Sterile Water should be used right away. Throw away any unused Zorbtive® mixed with Sterile Water. Do not store it for later use.
    • Do not freeze mixed Zorbtive®.
    • Do not use Zorbtive® past the expiration date printed on the carton.
    • Throw away medicine that is past the expiration date or no longer needed.
    Keep Zorbtive® and all medicines out of the reach of children.
    General information about the safe and effective use of Zorbtive®.
    Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leaflet. Do not use Zorbtive® for a condition for which it was not prescribed. Do not give Zorbtive® 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 Zorbtive® that is written for health professionals.
    What are the ingredients in Zorbtive®?
    Active ingredient:     somatropin
    Inactive ingredients: sucrose, phosphoric acid
  • Instructions for Use

    Zorbtive® (Zorb-tiv)
    (somatropin) for injection
    for subcutaneous use

    Read this Instructions for Use before you start using Zorbtive® and each time you get a new Zorbtive® vial. There may be new information. This information does not take the place of talking to your healthcare provider about your medical condition or your treatment.

    Do not share your needles or syringes with another person. You may give other people a serious infection or other people may get a serious infection from you.

    Supplies needed to give your Zorbtive® injection (See Figure A):
    Included in your Zorbtive® kit:
    Figure A
    • 1 Zorbtive® vial
    • 1 Bacteriostatic Water for Injection or Sterile Water (diluent)
    Not included in your Zorbtive® kit:
    • 1 3 mL syringe with large 1 inch needle attached (for mixing Zorbtive®)
    • a 1 mL syringe with small 29-31 gauge needle attached (for giving your Zorbtive® injection)
    • 2 alcohol wipes
    • 1 gauze or cotton ball
    • A clean flat surface like a table
    • 1 sharps container for throwing away used needles and syringes. See "Disposing of used needles and syringes" at the end of these instructions.
    Figure A

    Preparing your Zorbtive® dose:

    • Prepare a clean flat surface, like a table or counter top
    • Gather all the supplies you will need to give your Zorbtive® injection
    • Wash your hands with soap and water
    Step 1:Using your thumb, flip the plastic cap off of the Zorbtive® and diluent vial.Step 1
    Step 2:Wipe the rubber stoppers with 1 alcohol wipe.Step 2
    Step 3:Unwrap the 3 mL syringe with the large 1 inch needle attached. With the needle pointing upwards, pull the plunger back until the top of the plunger reaches the line slightly past the line for your prescribed dose.Step 3
    Step 4:Pull the needle cap straight off the syringe.Step 4
    • Do not touch the needle or let the needle touch any surface.
    Step 5:With the needle pointing downward, hold the syringe straight over the diluent vial, then push the needle through the marked center circle on the rubber stopper of the diluent vial.
    • Slowly push the plunger all the way in to inject the air into the diluent vial.
    		Step 5
    Step 6:Turn the vial upside down and slowly pull back on the plunger until the top of the plunger reaches the line slightly past the line for your prescribed dose.
    • If you see air bubbles, lightly tap the syringe with your fingertip.
    • Slowly pull the needle out of the diluent vial.
    		Step 6
    Step 7:With the needle pointing downward, hold the syringe straight over the Zorbtive® vial, then push the needle through the marked center on the rubber stopper on the Zorbtive® vial.
    • Point the needle tip toward the side of the Zorbtive® vial and then slowly push the plunger all the way in to inject the diluent into the Zorbtive® vial.
      • Do not squirt the diluent directly onto the Zorbtive®. This can make your Zorbtive® foamy and hard to inject.
    		Step 7
    Step 8:Gently swirl the Zorbtive® vial in circles to mix Zorbtive® all the way. Do not shake the vial. Step 8
    Step 9:Check the liquid in the Zorbtive® vial. The liquid should look clear and colorless. Do not use it if the liquid is discolored, cloudy, or contains any lumps or particles in it. Throw it away and tell your healthcare provider or pharmacist.
    • If the Zorbtive® liquid looks foamy, let the vial sit until the bubbles disappear.
    Step 10:Unwrap the 3 mL syringe with the small 29-31 gauge needle attached. With the needle pointing upwards, pull back the plunger until the top of the plunger reaches the line slightly past the line for your prescribed dose.
    Step 11:Pull the cap straight off of the needle.
    • Do not touch the needle or let the needle touch any surface.
    		Step 11
    Step 12:Hold the Zorbtive® vial firmly on a flat surface, then push the needle through the marked center circle of the rubber stopper of the Zorbtive® vial.Step 12
    Step 13:Slowly push the plunger all the way in to inject air into the Zorbtive® vial.
    • Do not pull the needle out of the Zorbtive® vial.
    		Step 13
    Step 14:Keeping the needle in the Zorbtive® vial, lift the vial and turn it upside down with the needle pointing toward the ceiling. With the needle tip still in the liquid, slowly pull the plunger back until the top of the plunger reaches the line for your prescribed dose.
    • Check the syringe to make sure that you have the right dose.
    • If you see air bubbles, lightly tap the syringe with your fingertip.
    		Step 14
    Step 15:Turn the Zorbtive® vial upright and pull the syringe straight out of the vial's rubber stopper.
    • Do not touch the needle or allow the needle to touch any surface.
    		Step 15

    Giving your Zorbtive® Injection:

    • Inject Zorbtive® exactly under the skin into the areas recommended by your healthcare provider.
    • Change (rotate) your injection site with each Zorbtive® injection.
    • Do not inject Zorbtive® into skin that is tender bruised, red or hard.
    Step 16:Choose your injection site.
    • Select a new injection site. Examples of common injection sites include: the top side of the thigh, the areas around the belly button, the back of the upper arms, and the buttocks or hips.
    • Choose a different injection site each time you inject to reduce redness, irritation, or other skin problems.
    • Wipe the skin with an alcohol pad to clean the injection site and let it dry.
    		Step 16
    Step 17:Pinch the skin. Hold the syringe at a 90° angle and insert the needle into your skin.
    Step 18:Push the plunger all the way in to give your dose.Step 18
    Step 19:Pull the needle straight out of your skin and safely throw it away. See "Disposing of used needles and syringes" at the end of these instructions.
    • If you see blood after you take the needle out of your skin, press your injection site with a piece of gauze or alcohol wipe.
    • Do not recap the needle. Recapping the needle can lead to a needle stick injury.
    		Step 19

    Disposing of used needles and syringes:

    • Put your used needles and syringes in a FDA-cleared sharps disposal container right away after use. Do not throw away (dispose of) loose needles and syringes in your household trash.
    • If you do not have a FDA-cleared sharps disposal container, you may use a household container that is:
      • made of a heavy-duty plastic,
      • can be closed with a tight-fitting, puncture- resistant lid, without sharps being able to come out,
      • upright and stable during use,
      • leak- resistant, and
      • properly labeled to warn of hazardous waste inside the container.
    • When your sharps disposal container is almost full, you will need to follow your community guidelines for the right way to dispose of your sharps disposal container. There may be state or local laws about how you should throw away used needles and syringes. For more information about safe sharps disposal, and for specific information about sharps disposal in the state that you live in, go to the FDA's website at: http://www.fda.gov/safesharpsdisposal.
    • Do not dispose of your used sharps disposal container in your household trash unless your community guidelines permit this. Do not recycle your used sharps disposal container.

    General information about the safe and effective use of Zorbtive®

    Keep Zorbtive® vials, syringes, needles, and all medicines out of the reach of children.

    For further information or instruction assistance, you may call the AXIS® Center at 1-877-714-AXIS (2947).

    This Instructions for Use has been approved by the U.S. Food and Drug Administration.

    Manufactured for: EMD Serono, Inc., Rockland, MA 02370
    Revised: September 2019

  • PRINCIPAL DISPLAY PANEL - 8.8 mg Vial Label

    Zorbtive® 8.8 mg
    (somatropin) for injection
    8.8 mg (approximately 26.4 IU). For subcutaneous injection Reconstituted
    vials should be refrigerated and used within 14 days.
    Storage: room temperature (15-30°C/59-86°F)

    Lot:

    Exp:

    L8840101E

    PRINCIPAL DISPLAY PANEL - 8.8 mg Vial Label
  • PRINCIPAL DISPLAY PANEL - 3.5 mL Vial Label

    NDC: 44087-8007-0

    Bacteriostatic Water for injection, USP

    Sterile 3.5 mL Multiple Dose Vial
    Rx Only
    Each mL contains: Benzyl Alcohol (as bacteriostat) 0.9% in
    Water for Injection q.s. For use as solvent vehicle or carrier of
    drugs for parenteral use. Pyrogen free.

    NOT FOR USE
    IN NEWBORNS

    Store at 15° to 30°C
    (59° to 86°F)
    [see USP Controlled
    Room Temperature].

    Lot:

    Exp:

    L1320108D

    PRINCIPAL DISPLAY PANEL - 3.5 mL Vial Label
  • PRINCIPAL DISPLAY PANEL - Kit Carton

    NDC: 44087-3388-7

    ZORBTIVE® 8.8 mg
    (somatropin) for injection

    8.8 mg
    For subcutaneous injection
    Rx Only

    7 vials Zorbtive® (somatropin) for injection
    7 vials Bacteriostatic Water for Injection, USP (0.9% Benzyl Alcohol)

    EMD
    SERONO

    PRINCIPAL DISPLAY PANEL - Kit Carton
  • INGREDIENTS AND APPEARANCE
    ZORBTIVE 
    somatropin kit
    Product Information
    Product TypeHUMAN PRESCRIPTION DRUGItem Code (Source)NDC: 44087-3388
    Packaging
    #Item CodePackage DescriptionMarketing Start DateMarketing End Date
    1NDC: 44087-3388-71 in 1 CARTON12/01/2003
    Quantity of Parts
    Part #Package QuantityTotal Product Quantity
    Part 17 VIAL, GLASS 7 mL
    Part 27 VIAL, GLASS 24.5 mL
    Part 1 of 2
    ZORBTIVE 
    somatropin injection, powder, for solution
    Product Information
    Route of AdministrationSUBCUTANEOUS
    Active Ingredient/Active Moiety
    Ingredient NameBasis of StrengthStrength
    SOMATROPIN (UNII: NQX9KB6PCL) (SOMATROPIN - UNII:NQX9KB6PCL) SOMATROPIN8.8 mg  in 1 mL
    Inactive Ingredients
    Ingredient NameStrength
    SUCROSE (UNII: C151H8M554) 60.19 mg  in 1 mL
    PHOSPHORIC ACID (UNII: E4GA8884NN) 2.05 mg  in 1 mL
    Packaging
    #Item CodePackage DescriptionMarketing Start DateMarketing End Date
    11 mL in 1 VIAL, GLASS; Type 0: Not a Combination Product
    Marketing Information
    Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
    NDANDA021597
    Part 2 of 2
    BACTERIOSTATIC WATER 
    bacteriostatic water injection, solution
    Product Information
    Route of AdministrationSUBCUTANEOUS
    Inactive Ingredients
    Ingredient NameStrength
    WATER (UNII: 059QF0KO0R)  
    BENZYL ALCOHOL (UNII: LKG8494WBH)  
    Packaging
    #Item CodePackage DescriptionMarketing Start DateMarketing End Date
    13.5 mL in 1 VIAL, GLASS; Type 0: Not a Combination Product
    Marketing Information
    Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
    NDANDA021597
    Marketing Information
    Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
    NDANDA02159712/01/2003
    Labeler - EMD Serono, Inc. (088514898)
    Establishment
    NameAddressID/FEIBusiness Operations
    Merck Serono, S.A480192579MANUFACTURE(44087-3388)

    • Trademark Results [Zorbtive]

    Mark Image

    Registration | Serial
    Company
    Trademark
    Application Date
    ZORBTIVE
    ZORBTIVE
    78976554 3064550 Live/Registered
    MERCK KGAA
    2004-04-05
    ZORBTIVE
    ZORBTIVE
    78976022 2974677 Dead/Cancelled
    Ares Trading, S.A.
    2003-06-13
    ZORBTIVE
    ZORBTIVE
    78396381 not registered Dead/Abandoned
    Ares Trading SA
    2004-04-05
    ZORBTIVE
    ZORBTIVE
    78262146 not registered Dead/Abandoned
    Ares Trading, S.A.
    2003-06-13
    ZORBTIVE
    ZORBTIVE
    77091013 not registered Dead/Abandoned
    Ares Trading S.A.
    2007-01-25
    ZORBTIVE
    ZORBTIVE
    76978149 3117798 Live/Registered
    MERCK KGAA
    2004-09-09
    ZORBTIVE
    ZORBTIVE
    76610553 not registered Dead/Abandoned
    Ares Trading S.A.
    2004-09-09
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