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Caelyx 2 mg/ml concentrate for solution for infusion Doxorub
2014-07-04 10:52:32 来源: 作者: 【 】 浏览:414次 评论:0

For doctors

 

What is it and how is it used?

Caelyx is an antitumour agent.

Caelyx is used to treat cancer of the breast in patients at risk for heart problems. Caelyx is also used to treat cancer of the ovary. It is used to kill cancer cells, shrink the size of the tumour, delay the growth of the tumour, and extend your survival.

Caelyx is also used in combination with another medicine, bortezomib, to treat multiple myeloma, a cancer of the blood in patients who have received at least 1 prior therapy.

Caelyx is also used to produce an improvement in your Kaposi’s sarcoma including flattening, lightening and even shrinkage of the cancer. Other symptoms of Kaposi’s sarcoma, such as swelling around the tumour, may also improve or disappear.

Caelyx contains a medicine which is able to interact with cells in such a way as to selectively kill cancer cells. The doxorubicin hydrochloride in Caelyx is enclosed in tiny spheres called pegylated liposomes which help to deliver the medicinal product from the blood stream to the cancerous tissue rather than healthy normal tissue.

What do you have to consider before using it?

Do not use Caelyx

Take special care with Caelyx

Taking other medicines
Please tell your doctor or pharmacist

Pregnancy and breast-feeding
Ask your doctor or pharmacist for advice before taking any medicine.
Because the active ingredient doxorubicin hydrochloride in Caelyx may cause birth defects, it is important to tell your doctor if you think you are pregnant. Avoid becoming pregnant while you or your partner are taking Caelyx and in the six months following discontinuation of Caelyx treatment.

Because doxorubicin hydrochloride may be harmful to nursing infants, women must discontinue breast-feeding before starting treatment with Caelyx. Health experts recommend that HIV infected women do not breast-feed their infants under any circumstances in order to avoid transmission of HIV.

Driving and using machines
Do not drive or use any tools or machines if you feel tired or sleepy from treatment with Caelyx.

How is it used?

Caelyx is a unique formulation. It must not be used interchangeably with other formulations of doxorubicin hydrochloride.

Caelyx will be given to you by your doctor in a drip (infusion) into a vein. Depending on the dose and indication, this may take from 30 minutes to more than one hour (i.e., 90 minutes).

If you are being treated for breast cancer or ovarian cancer, Caelyx will be administered at a dose of 50 mg per square metre of your body surface area (based on your height and weight). The dose is repeated every 4 weeks for as long as the disease does not progress and you are able to tolerate the treatment.

If you are being treated for multiple myeloma, and have already received at least 1 prior therapy, Caelyx will be administered at a dose of 30 mg per square metre of your body surface area (based on your height and weight) as a 1 hour intravenous infusion on Day 4 of the bortezomib 3 week regimen immediately after the bortezomib infusion. The dose is repeated as long as you respond satisfactorily and tolerate treatment.

If you are being treated for Kaposi’sarcoma, Caelyx will be administered at a dose of 20 mg per square metre of your body surface area (based on your height and weight). The dose is repeated every 2 to 3 weeks for 2 - 3 months, then as often as necessary to maintain an improvement in your condition.

If you use more Caelyx than you should
Acute overdosing worsens side effects like sores in the mouth or decreases the number of white blood cells and platelets in the blood. Treatment will include administration of antibiotics, platelet cell transfusions, use of factors which stimulate production of white blood cells and symptomatic treatment of mouth sores.

If you have any further questions on the use of this product, ask your doctor or pharmacist.

What are possible side effects?

Like all medicines, Caelyx can cause side effects, although not everybody gets them.

During the infusion of Caelyx, the following reactions may occur: flushing of the face, shortness of breath, headache, chills, back pain, tightness in the chest and/or throat, sore throat, low or increase in blood pressure, rapid heart beat, puffing of the face, fever, dizziness, nausea, indigestion, itching, rash and sweating. In very rare cases, seizures (convulsions) have occurredStinging or swelling of the skin at the site of injection may also occur. If the drip stings or hurts while you are receiving a dose of Caelyx, tell your doctor immediately.

Contact your doctor immediately if:

Between infusions, the following may occur:

Other side effects that may occur with a combination of Caelyx and bortezomib include:

When Caelyx is used alone, some of these effects are less likely to occur, and some have not occurred at all.

If any of the side effects gets serious, or if you notice any side effects not listed in this leaflet, please tell your doctor or pharmacist.

Strategies to prevent and treat hand-foot syndrome:
Every day for 4-7 days beginning immediately after you have received Caelyx:

Pyridoxine (Vitamin B6):

How should it be stored?

Keep out of the reach and sight of children.

Store in a refrigerator (2°C – 8°C). Do not freeze.

After dilution:
Chemical and physical in-use stability has been demonstrated for 24 hours at 2°C to 8°C. From a microbiological point of view, the product should be used immediately. If not used immediately, in-use storage times and conditions prior to use are the responsibility of the user and should not be longer than 24 hours at 2°C to 8°C. Partially used vials must be discarded.

Do not use Caelyx after the expiry date which is stated on the label and carton.

Do not use Caelyx if you notice that it shows evidence of precipitation or any other particulate matter.

Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help to protect the environment.

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For doctors

What is it?

Caelyx is concentrate to be made up into a solution for infusion (drip into a vein). It contains the active substance doxorubicin hydrochloride (2 mg/ml).

What is it used for?

Caelyx is used to treat the following types of cancer in adults:

metastatic breast cancer in patients at risk of heart problems. Metastatic means the cancer has spread to other parts of the body. Caelyx is used on its own for this disease

advanced ovarian cancer cancer of the ovary in women whose previous treatment including a platinum-based anticancer medicine has stopped working

Kaposis sarcoma a cancer of the blood vessels in patients with acquired immune deficiency syndrome AIDS who have very damaged immune systems and extensive sarcoma on the skin, the moist body surfaces or the internal organs

multiple myeloma a cancer of the cells in the bone marrow, in patients with progressive disease who have received at least one other treatment in the past and have already undergone or are unsuitable for a bone marrow transplant. Caelyx is used in combination with bortezomib another anticancer medicine.

The medicine can only be obtained with a prescription.

How is it used?

Caelyx should be given under the supervision of a doctor who is qualified in the use of cytotoxic (cell-killing) medicines. It cannot be interchanged with other medicines containing doxorubicin hydrochloride.

The recommended starting dose of Caelyx for breast or ovarian cancer is 50 mg per square metre body surface area (calculated using the patient’s height and weight) every four weeks for as long as the disease does not get worse and the patient can tolerate the treatment. For Kaposi’s sarcoma, the dose is 20 mg/m every two to three weeks for two to three months, and for multiple myeloma, it is 30 mg/m on day four of each three-week cycle of bortezomib treatment, for as long as the patient continues to benefit from the treatment and can tolerate it.

Treatment should be stopped or the dose reduced in patients who experience certain side effects or who have liver problems. Caelyx is not recommended for patients whose spleen has been removed. For more information, see the package leaflet.

How does it work?

The active substance in Caelyx, doxorubicin hydrochloride, is a cytotoxic medicine that belongs to the group ‘anthracyclines’. It works by interfering with the DNA within cells, preventing them from making more copies of DNA and making proteins. This means that cancer cells cannot divide and eventually die. Caelyx accumulates in areas in the body where the blood vessels have an abnormal shape, such as within tumours, where its action is concentrated.

Doxorubicin hydrochloride has been available since the 1960s. In Caelyx, it is contained in ‘pegylated liposomes’ (tiny fatty spheres that are coated with a chemical called polyethylene glycol). This reduces the rate at which the active substance is broken down, allowing it to circulate in the blood for longer. It also reduces its effects on non-cancer tissues and cells, so it is less likely to cause some side effects.

How has it been studied?

Caelyx has been studied in a total of 2,512 patients in seven main studies.

For metastatic breast cancer, Caelyx has been compared with standard doxorubicin in one main study involving 509 women.

For advanced ovarian cancer, Caelyx has been compared with topotecan (another anticancer medicine) in one study involving 474 women who had received platinum-based chemotherapy in the past.

For AIDS-related Kaposi’s sarcoma, the effectiveness of Caelyx was studied in two main studies involving 384 patients, including 77 who had received treatment before. Further studies compared Caelyx with the combination of doxorubicin, bleomycin and vincristine (other anticancer medicines) in 258 patients and with the combination of bleomycin and vincristine in 241 patients.

For multiple myeloma, the effectiveness of the combination of Caelyx and bortezomib was compared with that of bortezomib alone in 646 patients.

The main measure of effectiveness was time until the disease got worse or, for Kaposi’s sarcoma, the number of patients who responded to treatment.

What benefits has it shown during the studies?

In the treatment of breast cancer, Caelyx was as effective as standard doxorubicin: the time until the disease got worse was around 7.5 months in both groups. However, patients receiving Caelyx were less likely to experience heart problems.

For ovarian cancer, Caelyx was as effective as topotecan in extending time until the disease got worse.

For Kaposi’s sarcoma, around 70% of the patients had a complete or partial response to treatment, with similar results in the study of patients who had been treated before. The additional studies showed that Caelyx was also more effective than the comparator combinations.

For multiple myeloma, adding Caelyx to bortezomib increased the time until the disease got worse from 6.5 to 9.3 months.

What is the risk associated?

The side effects with Caelyx depend on the type of cancer being treated. The most common side effect seen in all types of cancer (in more than 1 patient in 10) is nausea (feeling sick). Other very common side effects include palmar-plantar erythrodysaesthesia syndrome (redness and pain on the hands and feet), vomiting, stomatitis (inflammation of the lining of the mouth), rash, asthenia (weakness), low blood cell counts, loss of appetite, alopecia (hair loss), fatigue (tiredness), diarrhoea, constipation and mucositis (inflammation of the mouth and throat). For the full list of all side effects reported with Caelyx, see the package leaflet.

Caelyx should not be used in people who may be hypersensitive (allergic) to doxorubicin hydrochloride or any of the other ingredients. Caelyx must not be used to treat Kaposi’s sarcoma that could be treated effectively with ‘local’ treatments that only affect the site of the tumour or with whole-body alfa interferon treatment.

Why has it been approved?

The CHMP decided that Caelyx’s benefits are greater than its risks and recommended that it be given marketing authorisation.

Further information

The European Commission granted a marketing authorisation valid throughout the European Union for Caelyx on 21 June 1996. The marketing authorisation holder is Janssen-Cilag International NV. The marketing authorisation is valid for an unlimited period. europa.eu/Find medicine/Human medicines/European Public Assessment Reports. For more information about treatment with Caelyx, read the package leaflet (also part of the EPAR) or contact your doctor or pharmacist.

This summary was last updated in 10-2010.

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Name

 

Caelyx 2 mg/ml concentrate for solution for infusion

 

Composition

 

One ml of Caelyx contains 2 mg doxorubicin hydrochloride in a pegylated liposomal formulation.

Caelyx, a liposome formulation, is doxorubicin hydrochloride encapsulated in liposomes with surface-bound methoxypolyethylene glycol (MPEG). This process is known as pegylation and protects liposomes from detection by the mononuclear phagocyte system (MPS), which increases blood circulation time.

For a full list of excipients, see section 6.1.

 

Pharmaceutical Form

 

Concentrate for solution for infusion

The suspension is sterile, translucent and red.

 

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