Active substanceTemozolomideTemozolomide
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  • Temcital®
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    ANSTAR, AG     Switzerland
  • Dosage form: & nbspcapsules
    Composition:

    1 capsule contains

    Active substance: temozolomide 20 mg

    Excipients: mannitol 212.2 mg, sodium carboxymethyl starch 11.0 mg, silicon dioxide colloid 0.2 mg, tartaric acid 2.2 mg, stearic acid 4.4 mg.

    The composition of the capsule wall: gelatin 73.790 mg, titanium dioxide 2,210 mg.

    Active substance: temozolomide 100 mg Excipients: mannitol 214.3 mg, sodium carboxymethyl starch 15.0 mg, silicon dioxide colloid 1.7 mg, tartaric acid 3.0 mg, stearic acid 6.0 mg.

    The composition of the capsule wall: gelatin 93.208 mg, titanium dioxide 2.792 mg.

    Active substance: temozolomide 250 mg Excipients: mannitol 204.3 mg, sodium carboxymethyl starch 22.5 mg, silicon dioxide colloid 0.7 mg, tartaric acid 9.0 mg, stearic acid 13.5 mg.

    The composition of the capsule wall: gelatin 116.511 mg, titanium dioxide 3.489 mg.

    Description:

    Capsules 20 mg

    Hard gelatin capsules No. 1 with an opaque case and a white cap containing white or white with a pink or cream shade powder.

    Capsules 100 mg

    Hard gelatin capsules No. 0 with an opaque case and a white cap containing white or white with a pink or cream shade powder.

    Capsules 250 mg

    Hard gelatin capsules No. 00 with an opaque case and a white cap containing white or white with a pink or cream shade powder.

    Pharmacotherapeutic group:antitumor agent, alkylating compound.
    ATX: & nbsp

    L.01.A.X.03   Temozolomide

    Pharmacodynamics:

    Farmakopinamika. Temozolomide is a triazene alkylating drug with antitumor activity. Upon entering the systemic circulation, at physiological pH values, it undergoes a rapid chemical transformation to form the active compound - monomethyltriazenoimidazolecarboxamide (MTIK). It is believed that the cytotoxicity of MTIC is due primarily to the alkylation of guanine in position O6 and additional alkylation in the N7. Apparently, cytotoxic lesions resulting from this include (trigger) the mechanism of aberrant reduction of the methyl residue.

    Pharmacokinetics:

    After oral administration temozolomide quickly absorbed and also quickly excreted from the body with urine. Temozolomide quickly penetrates the blood-brain barrier and enters the cerebrospinal fluid. The maximum concentration (Сmах) in plasma is reached on the average in 0,5-1,5 hours (the earliest - in 20 minutes) after reception of a preparation. The half-life of plasma is approximately 1.8 hours. Clearance, the volume of distribution in the plasma and the half-life do not depend on the dose. Temozolomide weakly binds to blood plasma proteins (10-20%).After oral administration, the average excretion rate with faeces for 7 days was 0.8%, indicating complete absorption of the drug. The main way of excretion is through the kidneys. At 24 hours after oral administration, approximately 5-10% of the dose is determined unchanged in the urine; the remainder is deduced as 4-amino-5-imidazole carboxamide hydrochloride (APC) or unidentified polar metabolites. Taking temozolomide together with food causes a decrease Cmax by 33% and a decrease in the area under the "concentration-time" curve (AUC) on 9%.

    The clearance of the drug in plasma does not depend on age, kidney function or tobacco consumption. Pharmacokinetic profile of the drug in patients with impaired liver function of mild or moderate degree is the same as in persons with normal liver function.

    In children, the indicator AUC higher than in adults. The maximum tolerable dose (MTD) in children and adults was the same and was 1000 mg / m2 for one treatment cycle.
    Indications:

    - the newly discovered multiform glioblastoma is a combined treatment with radiotherapy followed by adjuvant monotherapy.

    - malignant glioma (glioblastoma multiforme or anaplastic astrocytoma), if there is a relapse or progression of the disease after standard therapy.

    Contraindications:

    - hypersensitivity to temozolomide or other components of the drug, as well as to dacarbazine.

    - expressed myelosuppression.

    - pregnancy.

    - lactation period.


    - Children's age - up to 3 years (relapsing or progressing malignant glioma) or up to 18 years (newly diagnosed glioblastoma multiforme or malignant melanoma).

    Carefully:

    - Children age over 3 years in the treatment of recurrent or progressive malignant glioma (glioblastoma multiforme or anaplastic astrocytoma) in case of relapse or disease progression after standard therapy;

    - old age (over 70 years).


    - marked renal or hepatic insufficiency.

    Pregnancy and lactation:contraindicated
    Dosing and Administration:

    Temcital® is taken orally, on an empty stomach, at least one hour before a meal. The prescribed dose should be taken using the lowest possible number of capsules. Capsules can not be opened or chewed, but should be swallowed whole, washed down with a glass of water.

    The newly discovered multiform glioblastoma. Treatment of adult patients (over 18 years). Primary treatment conduct in combination with radiotherapy. The drug Temtital® is administered at a dose of 75 mg / m2 daily for 42 days at the same time as radiotherapy (30 fractions in a total dose of 60 Gy). Dose reduction is not recommended, but the drug may be interrupted depending on the tolerability. Renewal of the drug is possible during the entire 42-day period of combined treatment and up to 49 days, but only if all of the conditions listed below are met: absolute neutrophil count not lower than 1500 / μL, platelet count not lower than 100,000 / μl, general toxicity criterion developed by the National Cancer Institute of Canada, STS) is not higher than degree 1 (except for alopecia, nausea and vomiting). During treatment, a blood test should be performed weekly, counting the number of cells. Recommendations for dose reduction or withdrawal of Temcital® during the combined phase of treatment are given in Table 1.

    Table 1. Recommendations to reduce the dose or discontinuation of the drug Temcital® in combination treatment with radiation therapy.

    Criterion of toxicity

    Break in taking Temcital®

    Termination of Temcital®

    Absolute number of neutrophils

    > 500 / μL, but <1500 / μl

    <500 / μL

    Platelet count

    > 10000 / μL, but <100,000 / μL

    <10000 / μL

    CTC non-hematological toxicity (with the exception of alopecia, nausea and vomiting)

    Degree 2

    Degree 3 or 4

    Adjuvant therapy is appointed 4 weeks after the completion of the combination therapy and is performed in the form of 6 additional cycles. Cycle 1: Temcital® is administered at a dose of 150 mg / m2 for 5 days followed by a 23-day interruption in treatment. Cycle 2: the dose of Temcital® can be increased to 200 mg / m2 per day, provided that during the first treatment cycle, the severity of non-hematologic toxicity (in accordance with the STS toxicity scale) did not exceed degree 2 (except for alopecia, nausea and vomiting), with the absolute number of neutrophils not lower than 1500 / μL, and the number platelets - not lower than 100000 / mkl. If the dose of Temcital® has not been increased in cycle 2, it should not be increased in the following cycles. If in cycle 2 the dose was 200 mg / m2, in the same daily dose the drug is prescribed and in the following cycles (in the absence of toxicity). In each cycle, Temcital® is administered for 5 consecutive days, followed by a 23-day break. Recommendations for dose reduction in the adjuvant phase of treatment are given in Tables 2 and 3.On day 22 of treatment (21 days after taking the first dose of Temcital®), a blood test should be performed to count the number of cells. The abolition or reduction of the dose of Temcital® should be carried out in accordance with Table 3.

    Table 2. Mode dosing of the drug Temcital® with adjuvant therapy.

    Step

    Dose (mg / m2/day)

    Note

    -1

    100

    Reduction of dose taking into account previous toxicity (see Table 3)

    0

    150

    Dose during cycle 1

    1

    200

    The dose during cycles 2-6 (in the absence of toxicity)


    Table 3. Recommendations for dose reduction or withdrawal of Temcital® with adjuvant therapy.

    Criterion of toxicity

    Reduce the dose of Temcital® by 1 step (see Table 2)

    Termination of Temcital®

    Absolute number of neutrophils

    <1000 / μL

    *

    Platelet count

    <50000 / μL

    *

    CTC non-hematological toxicity (with the exception of alopecia, nausea and vomiting)

    Degree 3

    Power 4*

    * The drug Temtital® should be discontinued if a dose reduction of <100 mg / m2, and also in case of recurrence of non-hematological toxicity degree 3 (except for alopecia, nausea and vomiting) after dose reduction.

    Progressive or recurrent malignant glioma in the form of multiform glioblastoma or anaplastic astrocytoma (treatment of adults and children over 3 years old). Patients who had not previously undergone chemotherapy, the drug Temtital® is prescribed at a dose of 200 mg / m2 once a day for 5 consecutive days, followed by a break in taking the drug for 23 days (the total duration of one treatment cycle is 28 days). For patients who had previously undergone chemotherapy, the initial dose is 150 mg / m2 once a day; in the second cycle, the dose can be increased to 200 mg / m2 per day, provided that on the first day of the next cycle the absolute number of neutrophils is not lower than 1500 / μl, and the number of platelets is not lower than 100,000 / μl.

    Recommendations for correcting the dose of Temcital® in the treatment of progressive or recurrent malignant glioma.

    Begin treatment with Temcital ® is only possible with an absolute number of neutrophils> 1500 / μL and platelets> 100,000 / μL. A complete clinical blood test should be performed on day 22 (21 days after the first dose), but no later than 48 hours after that day; then - weekly until the absolute number of neutrophils is above 1500 / μL, and the number of platelets does not exceed 100,000 / μl. With an absolute number of neutrophils below 1000 / μL or platelets below 50,000 / μL during any treatment cycle, the dose in the next cycle should be reduced by one step. Possible doses: 100 mg / m2, 150 mg / m2 and 200 mg / m2. The minimum recommended dose is 100 mg / m2.

    Duration of treatment is maximum 2 years. If signs of disease progression appear, treatment with Temcital® should be discontinued.

    Side effects:

    Glioblastoma multiforme (adult patients) was first detected. The table below shows the side effects noted in the treatment of patients with newly diagnosed multiform glioblastoma during the combined and adjuvant phases of treatment. The frequency distribution of side effects was made in accordance with the following gradation: very often> 10%, often> 1% and <10%, infrequently> 0.1% and <1%.

    Table 4.

    The nature of the reaction

    System

    organism

    Frequency

    reactions

    Combined phase of treatment (with radiotherapy) n = 288

    adjuvant phase of treatment p-224

    Infections and

    often

    candidiasis of the mucosa

    mucosal candidiasis

    infestations

    infrequently

    mucous membrane of the oral cavity, herpes simplex pharyngitis, wound infection, other infection

    oral cavity, other infection

    Herpes simplex, herpes zoster, influenza-like syndrome

    Blood and

    often

    leukopenia, lymphopenia,

    anemia, febrile

    lymphatic

    neutropenia,

    neutropenia, leukopenia,

    system

    thrombocytopenia

    thrombocytopenia

    infrequently

    anemia, febrile neutropenia

    lymphopenia, petechia

    Cordially-

    often

    edema, incl. swelling of the legs,

    swelling of the legs, hemorrhage,

    vascular

    hemorrhage

    deep vein thrombosis

    system

    infrequently

    heart beat, increased blood pressure, hemorrhagic stroke

    edema, incl. peripheral edema, pulmonary embolism

    Respiratory system

    often

    cough, dyspnea

    cough, dyspnea

    infrequently

    pneumonia, upper respiratory tract infection, nasal congestion

    pneumonia, upper respiratory tract infection, sinusitis, bronchitis

    Endocrine

    infrequently

    Syndrome Itenko-

    Isenko-Cushing syndrome

    system

    Cushing's

    Skin and

    Often

    alopecia, rash

    alopecia, rash

    subcutaneous tissue, mammary glands

    often

    dermatitis, dry skin, erythema, skin itching, face swelling

    dryness, itching of the skin

    infrequently

    reactions

    photosensitization, pigmentation disorder, skin detachment

    erythema, impaired pigmentation, excessive sweating, pain in the mammary gland, swelling of the face


    Nervous system

    Often

    headache

    headache, convulsions

    often

    anxiety,

    anxiety, depression,

    emotional

    emotional lability,

    lability, insomnia,

    insomnia, dizziness,

    dizziness,

    disturbance of balance,

    balance disorder,

    concentration disorder

    concentration disorder

    attention, confusion

    attention, confusion and

    consciousness, speech disorder,

    decreased oppression

    hemiparesis, memory impairment,

    consciousness, cramps,

    neurological disorders

    memory impairment,

    (unspecified), neuropathy,

    neuropathy, paresthesia,

    paresthesia, drowsiness,

    drowsiness, speech disorder, tremor

    tremor

    infrequently

    apathy, behavioral

    hallucinations, amnesia,

    disorders, depression,

    violation of gait,

    hallucinations, violation

    hemiplegia, hyperesthesia,

    perception,

    violation of

    extrapyramidal

    sensitivity / sensory

    disorders of gait, hemiparesis, hyperesthesia, hypoesthesia, neurological disorders (unspecified), epileptic status, parosmia, thirst

    violations

    Oporno-

    often

    arthralgia, muscular

    arthralgia, muscular-

    motor

    weakness

    skeletal pain, myalgia,

    staff

    infrequently

    pain in the back, musculoskeletal pain, myalgia,

    muscle weakness, back pain; myopathy

    myopathy

    Body of sight

    often

    blurred vision

    blurred vision, diplopia, visual field limitation

    infrequently

    pain in the eye, hemianopsia,

    pain in the eye, dry eyes,

    visual impairment, visual acuity, visual field limitation

    visual acuity reduction

    Genitourinary

    often

    frequent urination,

    urinary incontinence

    system

    infrequently

    incontinence

    dysuria, amenorrhea, menorrhagia, vaginal bleeding, vaginitis

    The organ of hearing and

    often

    hearing impairment

    hearing impairment, ringing in the ears

    equilibria

    infrequently

    pain in the ear, hyperacia,

    deafness, pain in the ear,

    ringing in the ears, otitis media

    dizziness



    Digestive

    system

    very often

    infrequently

    anorexia, constipation, nausea, vomiting

    increased activity of alanine transaminase (ALT), abdominal pain, diarrhea, dyspepsia, dysphagia, stomatitis, impaired taste, increased alkaline phosphatase activity, discoloration of the tongue, increased activity of gamma-glutamyltranspeptase (Gamma-GT), aspartic transaminase (ACT), liver enzymes

    anorexia, constipation, nausea, vomiting

    increased activity of alanine transaminase (ALT), diarrhea, dyspepsia, dysphagia, stomatitis, dry mouth, abnormality of bloating, stool incontinence, hemorrhoids,gastroenteritis, dental diseases

    Organism as a whole

    Often

    fatigue

    fatigue

    often

    fever, pain syndrome,

    fever, painful

    radiation damage,

    syndrome, radiation

    allergic reaction,

    defeat, allergic

    weight loss

    reaction, weight loss

    bodies

    infrequently

    "hot flashes" of heat to the body,

    asthenia, worsening

    asthenia, worsening

    condition, chills,

    condition, chills,

    weight gain

    weight gain

    Laboratory indicators. Myelosuppression (neutropenia and thrombocytopenia) is a dose-limiting side effect. Among patients in both groups (combined and adjuvant therapy), neutrophil changes, including neutropenia, were noted in 8% of cases, and platelet counts, including thrombocytopenia, in 14% of cases. Hyperglycemia was noted in less than 10% of cases with combined therapy and less than 1% with adjuvant therapy; hypokalemia was noted in less than 1% of cases with combined therapy.

    Progressive or recurrent malignant glioma (adults and children over 3 years old).

    The following undesirable effects, noted with the use of the drug Temcital®,are distributed according to the frequency of occurrence in accordance with the following gradation: very often (> 10% of cases), often (> 1% <10%), infrequently (> 0.1% <1%), rarely (> 0.01% <0.1%) and very rarely (<0.01%).

    On the part of the hematopoiesis system: very often - thrombocytopenia, neutropenia, lymphopenia; infrequently - pancytopenia, leukopenia, anemia. In the treatment of patients with glioma, thrombocytopenia and grade 3 or 4 neutropenia were noted in 19% and 17%. Hospitalization of the patient and / or withdrawal of Temcital® was required in 8% and 4% of cases. Oppression of the bone marrow developed usually during the first few cycles of treatment, with a maximum between 21 and 28 days; recovery occurred, usually within 1-2 weeks. No evidence of cumulative myelosuppression was noted.

    On the part of the digestive system: very often - nausea, vomiting, constipation, anorexia; often - diarrhea, abdominal pain, indigestion, taste perversion. The most frequent were nausea and vomiting. In most cases, these events were 1-2 (from mild to moderate) severity and were treated independently or were easily controlled with standard antiemetic therapy. The frequency of severe nausea and vomiting is 4%.

    From the nervous system: very often - headache; often - drowsiness, dizziness, paresthesia, asthenia.

    From the skin and skin appendages: often - rash, itching, alopecia, petechiae; very rarely - crapivnitsa, exanthema, erythroderma, erythema multiforme, toxic epidermal necrolysis, Stevens-Johnson syndrome.

    From the immune system: very rarely - allergic reactions, including anaphylaxis.

    Other: very often - increased fatigue; often - weight loss, shortness of breath, fever, chills, general malaise; rarely opportunistic infections, including pneumonia caused by Pneumocystis carinii; very rarely observed the development of myelodysplastic syndrome (MDS) and secondary malignant processes, including leukemia, and also noted the development of prolonged pancytopenia with a risk of developing aplastic anemia.

    Overdose:

    When using the drug in doses of 500, 750, 1000 and 1250 mg / m2 (the total dose received for a 5-day treatment cycle). Dose-limiting toxicity was hematologic toxicity, which was noted when taking any dose, but more pronounced - at higher doses.A case of overdose (taking a dose of 2000 mg per day for 5 days), which resulted in the development of pancytopenia, pyrexia, multiple organ failure and death. When taking the drug for more than 5 days (up to 64 days), among other symptoms of an overdose, hematopoiesis was suppressed, complicated or uncomplicated by the infection, in some cases prolonged and severe, with a fatal outcome.

    Treatment The antidote to temozolomide is not known. It is recommended hematological control and, if necessary, symptomatic therapy.

    Interaction:

    The administration of temozolomide together with ranitidine does not lead to a clinically significant change in the degree of absorption of temozolomide.

    Joint reception with dexamethasone, prochlorperazine, phenytoin, carbamazepine, ondansetron, blockers of H2-histamine receptors or phenobarbital does not change the clearance of temozolomide. Joint administration with valproic acid results in a weak but statistically significant decrease in the clearance of temozolomide.

    Studies aimed at elucidating the effects of temozolomide on metabolism and excretion of other drugs have not been conducted. Due to temozolomide It is not metabolized in the liver and weakly binds to plasma proteins, its effect on the pharmacokinetics of other drugs is unlikely.

    The use of temozolomide together with other substances that depress the bone marrow may increase the likelihood of myelosuppression.

    Special instructions:

    Before the beginning of the combined treatment (with radiotherapy), it is recommended to carry out preventive antiemetic therapy and is strongly recommended during the adjuvant therapy of the newly diagnosed multiform glioblastoma. If against the background of treatment with Temcital®, nausea or vomiting occurs in the subsequent administration, it is recommended that antiemetic therapy be given. Antiemetic drugs can be taken before and after taking Temcital®. Even if vomiting has developed within the first 2 hours after taking Temcital®, it is not necessary to repeat the medication on the same day.

    Due to the increased risk of developing pneumonia caused by Pneumocystis carinii, in patients receiving combined treatment with radiotherapy within 42 days (up to 49 days), such patients are recommended to carry out preventive treatment against the pathogen Pneumocystis carinii. Although the more frequent development of pneumonia caused by Pneumocystis carinii, is associated with longer treatment times with Temcital®, increased alertness for the possible development of PCP should be shown for all patients receiving the preparation of Temcital®, especially in combination with glucocorticosteroids. The pharmacokinetic parameters of Temcital® in individuals with normal liver function and in patients with impaired liver function of mild or moderate severity are comparable. Data on the use of the drug Temcital® in patients with severe hepatic impairment (Child-Pugh class C) or renal dysfunction is not available. Based on the data on the pharmacokinetic properties of Temcital®, it seems unlikely that even a patient with a marked impairment of liver or kidney function may need to reduce the dose of the drug. However, when prescribing Temcital®, such patients should be cautious.

    Men and women of childbearing age during treatment with Temcital®, and at least 6 months after graduation should use reliable contraceptive methods.

    Because of the risk of developing irreversible infertility, against the background of treatment with Temcital®, male patients before the start of treatment, if necessary, are advised to discuss the possibility of cryopreservation of sperm.

    If the contents of the capsule (powder) get on the skin or mucous membranes, they should be washed with a large amount of water.

    Effect on the ability to drive transp. cf. and fur:During the treatment period, care must be taken when driving vehicles and engaging in other potentially hazardous activities that require increased concentration and speed of psychomotor reactions.
    Form release / dosage:

    Capsules by, 20 mg, 100 mg and 250 mg. 5 capsules in a bottle of high density white polyethylene with a screwed plastic cover. 1 bottle together with instructions for use in a pack of cardboard.

    Packaging:(5) - polyethylene bottles (1) - packs cardboard
    Storage conditions:

    Store in dry the dark place at a temperature of 2 ° C to 25 ° C.

    Keep out of the reach of children.
    Shelf life:

    2 years

    Do not use the product after the expiry date printed on the package.

    Terms of leave from pharmacies:On prescription
    Registration number:LSR-006561/10
    Date of registration:09.07.2010
    The owner of the registration certificate:ANSTAR, AG ANSTAR, AG Switzerland
    Manufacturer: & nbsp
    Representation: & nbspANSTAR AG ANSTAR AG Switzerland
    Information update date: & nbsp16.09.2015
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