- May 14, 2023
- Newsletter
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Background
Epidemiology
Anatomy
Pathophysiology
Etiology
Genetics
Prognostic Factors
Clinical History
Physical Examination
Age group
Associated comorbidity
Associated activity
Acuity of presentation
Differential Diagnoses
Laboratory Studies
Imaging Studies
Procedures
Histologic Findings
Staging
Treatment Paradigm
by Stage
by Modality
Chemotherapy
Radiation Therapy
Surgical Interventions
Hormone Therapy
Immunotherapy
Hyperthermia
Photodynamic Therapy
Stem Cell Transplant
Targeted Therapy
Palliative Care
Medication
<6 years: Safety and efficacy not established
6 to 18years (<50 kg):
Start with 2 mg/day orally (PO), increasing to 5 mg/day after two days. If patients are not experiencing good suppression of tics at 5 mg/day, they may escalate to 10 mg/day. Dosage adjustments should be made progressively at no less than one-week intervals.
6 to 18years (>50 kg):
Take 2 mg orally daily for two days, 5 mg for five days, and 10 mg on day 8. The daily dosage can be increased to 20 mg for patients who do not attain optimal tic control. Dosage adjustments should be made progressively in 5 mg/day increments at no less than one-week intervals.
Dose Adjustments
Poor metabolizers and cytochrome-P 450 inhibitors
Poor metabolizers of CYP2D6: Administer half of the suggested dosage.
Known CYP2D6 poor metabolizers concurrently receiving potent CYP3A4 inhibitors: Administer one-fourth of the prescribed dose (i.e., a 75% reduction).
Potent inhibitors of CYP2D6 or CYP3A4: Administer half the suggested
dose
Strong CYP2D6 AND CYP3A4 inhibitors: Administer a quarter of the recommended dose (or a 75% reduction in dosage).
Strong inducers of CYP3A4: double the recommended dose over 1 to 2 weeks.
5 mg daily on days 1 to 3
Titrated to 40 mg daily divided every 12 hours from days 4 to28.
for 8 to 17 years old:
Take a dose of 25 mcg daily then 2 to 3 days later the dose was titrated up to 50 mcg thrice daily
Future Trends
References
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<6 years: Safety and efficacy not established
6 to 18years (<50 kg):
Start with 2 mg/day orally (PO), increasing to 5 mg/day after two days. If patients are not experiencing good suppression of tics at 5 mg/day, they may escalate to 10 mg/day. Dosage adjustments should be made progressively at no less than one-week intervals.
6 to 18years (>50 kg):
Take 2 mg orally daily for two days, 5 mg for five days, and 10 mg on day 8. The daily dosage can be increased to 20 mg for patients who do not attain optimal tic control. Dosage adjustments should be made progressively in 5 mg/day increments at no less than one-week intervals.
Dose Adjustments
Poor metabolizers and cytochrome-P 450 inhibitors
Poor metabolizers of CYP2D6: Administer half of the suggested dosage.
Known CYP2D6 poor metabolizers concurrently receiving potent CYP3A4 inhibitors: Administer one-fourth of the prescribed dose (i.e., a 75% reduction).
Potent inhibitors of CYP2D6 or CYP3A4: Administer half the suggested
dose
Strong CYP2D6 AND CYP3A4 inhibitors: Administer a quarter of the recommended dose (or a 75% reduction in dosage).
Strong inducers of CYP3A4: double the recommended dose over 1 to 2 weeks.
5 mg daily on days 1 to 3
Titrated to 40 mg daily divided every 12 hours from days 4 to28.
for 8 to 17 years old:
Take a dose of 25 mcg daily then 2 to 3 days later the dose was titrated up to 50 mcg thrice daily
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Founded in 2014, medtigo is committed to providing high-quality, friendly physicians, transparent pricing, and a focus on building relationships and a lifestyle brand for medical professionals nationwide.
MASSACHUSETTS – USA
60 Roberts Drive, Suite 313,
North Adams, MA 01247
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Opp Kiosk Koffee,
Shirole Lane, Off FC Road,
Pune 411004, Maharashtra
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