Alpelisib will be provided as 50 mg and 200 mg film coated tablets as individual patient supply and will be dosed on a flat scale of mg/day.
In Adult patients, alpelisib will be administered at a starting dose of 250 mg orally once daily on a continuous dosing schedule and can be adjusted for toxicity per the recommendations in this treatment plan.
In Pediatric patients, alpelisib will be administered at a starting dose of 50 mg orally once daily on a continuous dosing schedule and can be interrupted for toxicity per the recommendations in this treatment plan; no dose reductions are allowed.
Patients eligible for inclusion in this Treatment Plan have to meet all of the following
1. Adult or pediatric patients ≥ 2 years of age, with a confirmed diagnosis of PROS and documented evidence of a mutation in the PIK3CA gene, as determined by a local laboratory.
2. The treating physician has determined that the patient's condition is severe or life threatening, treatment is necessary and there are no other feasible alternatives for the patient.
Written patient informed consent must be obtained prior to start of treatment.
Patients eligible for this Treatment Plan must not meet any of the following criteria:
1. Patient has history of hypersensitivity to any drugs or metabolites of PI3K inhibitor or any of the excipients of alpelisib.
2. Patient with uncontrolled diabetes mellitus (Type I or II).
3. Patient who has other concurrent severe and/or uncontrolled medical conditions that would, in the Treating Physician's judgment, contraindicate administration of alpelisib (eg. active or uncontrolled severe infection, chronic active hepatitis, immuno-compromised, acute or chronic pancreatitis, uncontrolled high blood pressure, interstitial lung disease, etc.)
4. Patient has a known history of Steven Johnson's syndrome or toxic epidermal necrolysis.
5. Patient who does not apply highly effective contraception during the treatment with alpelisib and through the duration as defined below after the final dose of alpelisib 1. Sexually active males unless they are sterilized (at least 6 months prior to screening) or use a condom during intercourse while taking drug and for at least 4 weeks after stopping alpelisib and should not father a child in this period. A condom is required to be used also by vasectomized men in order to prevent delivery of the drug via seminal fluid. 2. Women of child-bearing potential, defined as all women physiologically capable of becoming pregnant, unless they are using highly effective methods of contraception during dosing and for at least 4 weeks after stopping alpelisib. Highly effective contraception methods include: - Total abstinence when this is in line with the preferred and usual lifestyle of the patient. Periodic abstinence (e.g. calendar, ovulation, symptothermal, post- ovulation methods) and withdrawal are not acceptable methods of contraception. - Female sterilization (have had surgical bilateral oophorectomy with or without hysterectomy), total hysterectomy or tubal ligation at least 6 weeks before taking program treatment. In case of oophorectomy alone, only when the reproductive status of the woman has been confirmed by follow up hormone level assessment. - Male partner sterilization (at least 6 months prior to screening). For female patients in the program the vasectomized male partner should be the sole partner for that patient. - Placement of an intrauterine device (IUD). Note: Use of oral (estrogen and progesterone), transdermal, injected or implanted hormonal methods of contraception as well as hormonal replacement therapy is not allowed in this program; barrier method is not considered an effective method.
6. Patient is pregnant or lactating, where pregnancy is defined as state of a female after conception and until the termination of gestation, confirmed by a positive human chorionic gonadotrophin (hCG) lab test.
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