Progeria medical therapy
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Vamsikrishna Gunnam M.B.B.S [2]
Overview
There is no treatment for Hutchinson-Gilford progeria syndrome (HGPS); the mainstay of therapy is supportive care. But the good news is that there are new investigational therapies for Hutchinson-Gilford progeria syndrome (HGPS) patients which include lonafarnib and everolimus.
Medical Therapy
- New investigational therapies for Hutchinson-Gilford progeria syndrome (HGPS) patients include the following:[1]
- Farnesyltransferase inhibitor (FTI)- Lonafarnib
- mTOR inhibitor- Everolimus
Lonafarnib
- Lonafarnib is a farnesyltransferase inhibitor (FTI).[2]
- Mechanism action of lonafarnib is it may inhibit the formation of the truncated lamin A protein which is called progerin.
- Lonafarnib also inhibit anchoring of the protein lamin A to the inner surface of the nuclear membrane, thus significantly improving disease results in Hutchinson-Gilford progeria syndrome (HGPS) patients.
- Lonafarnib is administered orally twice a day.
- Using lonafarnib on patients with HGPS shows good improvements on the following:[3][4]
- Lonafarnib improves weight gain
- Lonafarnib improves vascular distensibility
- Lonafarnib improves vascular echodensity
- Lonafarnib improves skeletal rigidity
- Lonafarnib improves vascular stiffness
- Lonafarnib improves bone rigidity
- Lonafarnib improves neurosensory hearing
- Lonafarnib reduces the prevalence of stroke and TIA
- Lonafarnib improves headaches
- Lonafarnib improves life span in patients with HGPS[5]
Everolimus
- Everolimus is a rapamycin-like drug which is a mTOR inhibitor which improves cellular autophagy.[6][7]
- Everolimus is a oral medication and should be given once daily on daily basis.
- Everolimus mechanism of action is it improves cellular phenotypes in HGPS fibroblasts via increased autophagy(self-eating).
Disease Name
- 1 Stage 1 - Name of stage
- 1.1 Specific Organ system involved 1
- 1.1.1 Adult
- Preferred regimen (1): drug name 100 mg PO q12h for 10-21 days (Contraindications/specific instructions)
- Preferred regimen (2): drug name 500 mg PO q8h for 14-21 days
- Preferred regimen (3): drug name 500 mg q12h for 14-21 days
- Alternative regimen (1): drug name 500 mg PO q6h for 7–10 days
- Alternative regimen (2): drug name 500 mg PO q12h for 14–21 days
- Alternative regimen (3): drug name 500 mg PO q6h for 14–21 days
- 1.1.2 Pediatric
- 1.1.2.1 (Specific population e.g. children < 8 years of age)
- Preferred regimen (1): drug name 50 mg/kg PO per day q8h (maximum, 500 mg per dose)
- Preferred regimen (2): drug name 30 mg/kg PO per day in 2 divided doses (maximum, 500 mg per dose)
- Alternative regimen (1): drug name10 mg/kg PO q6h (maximum, 500 mg per day)
- Alternative regimen (2): drug name 7.5 mg/kg PO q12h (maximum, 500 mg per dose)
- Alternative regimen (3): drug name 12.5 mg/kg PO q6h (maximum, 500 mg per dose)
- 1.1.2.2 (Specific population e.g. 'children < 8 years of age')
- Preferred regimen (1): drug name 4 mg/kg/day PO q12h(maximum, 100 mg per dose)
- Alternative regimen (1): drug name 10 mg/kg PO q6h (maximum, 500 mg per day)
- Alternative regimen (2): drug name 7.5 mg/kg PO q12h (maximum, 500 mg per dose)
- Alternative regimen (3): drug name 12.5 mg/kg PO q6h (maximum, 500 mg per dose)
- 1.1.2.1 (Specific population e.g. children < 8 years of age)
- 1.1.1 Adult
- 1.2 Specific Organ system involved 2
- 1.1 Specific Organ system involved 1
- 2 Stage 2 - Name of stage
- 2.1 Specific Organ system involved 1
- Note (1):
- Note (2):
- Note (3):
- 2.1.1 Adult
- Parenteral regimen
- Oral regimen
- Preferred regimen (1): drug name 500 mg PO q8h for 14 (14–21) days
- Preferred regimen (2): drug name 100 mg PO q12h for 14 (14–21) days
- Preferred regimen (3): drug name 500 mg PO q12h for 14 (14–21) days
- Alternative regimen (1): drug name 500 mg PO q6h for 7–10 days
- Alternative regimen (2): drug name 500 mg PO q12h for 14–21 days
- Alternative regimen (3):drug name 500 mg PO q6h for 14–21 days
- 2.1.2 Pediatric
- Parenteral regimen
- Preferred regimen (1): drug name 50–75 mg/kg IV q24h for 14 (14–21) days (maximum, 2 g)
- Alternative regimen (1): drug name 150–200 mg/kg/day IV q6–8h for 14 (14–21) days (maximum, 6 g per day)
- Alternative regimen (2): drug name 200,000–400,000 U/kg/day IV q4h for 14 (14–21) days (maximum, 18–24 million U per day) '(Contraindications/specific instructions)'
- Oral regimen
- Preferred regimen (1): drug name 50 mg/kg/day PO q8h for 14 (14–21) days (maximum, 500 mg per dose)
- Preferred regimen (2): drug name (for children aged ≥ 8 years) 4 mg/kg/day PO q12h for 14 (14–21) days (maximum, 100 mg per dose)
- Preferred regimen (3): drug name 30 mg/kg/day PO q12h for 14 (14–21) days (maximum, 500 mg per dose)
- Alternative regimen (1): drug name 10 mg/kg PO q6h 7–10 days (maximum, 500 mg per day)
- Alternative regimen (2): drug name 7.5 mg/kg PO q12h for 14–21 days (maximum, 500 mg per dose)
- Alternative regimen (3): drug name 12.5 mg/kg PO q6h for 14–21 days (maximum,500 mg per dose)
- Parenteral regimen
- 2.2 'Other Organ system involved 2'
- Note (1):
- Note (2):
- Note (3):
- 2.2.1 Adult
- Parenteral regimen
- Oral regimen
- Preferred regimen (1): drug name 500 mg PO q8h for 14 (14–21) days
- Preferred regimen (2): drug name 100 mg PO q12h for 14 (14–21) days
- Preferred regimen (3): drug name 500 mg PO q12h for 14 (14–21) days
- Alternative regimen (1): drug name 500 mg PO q6h for 7–10 days
- Alternative regimen (2): drug name 500 mg PO q12h for 14–21 days
- Alternative regimen (3):drug name 500 mg PO q6h for 14–21 days
- 2.2.2 Pediatric
- Parenteral regimen
- Preferred regimen (1): drug name 50–75 mg/kg IV q24h for 14 (14–21) days (maximum, 2 g)
- Alternative regimen (1): drug name 150–200 mg/kg/day IV q6–8h for 14 (14–21) days (maximum, 6 g per day)
- Alternative regimen (2): drug name 200,000–400,000 U/kg/day IV q4h for 14 (14–21) days (maximum, 18–24 million U per day)
- Oral regimen
- Preferred regimen (1): drug name 50 mg/kg/day PO q8h for 14 (14–21) days (maximum, 500 mg per dose)
- Preferred regimen (2): drug name 4 mg/kg/day PO q12h for 14 (14–21) days (maximum, 100 mg per dose)
- Preferred regimen (3): drug name 30 mg/kg/day PO q12h for 14 (14–21) days (maximum, 500 mg per dose)
- Alternative regimen (1): drug name 10 mg/kg PO q6h 7–10 days (maximum, 500 mg per day)
- Alternative regimen (2): drug name 7.5 mg/kg PO q12h for 14–21 days (maximum, 500 mg per dose)
- Alternative regimen (3): drug name 12.5 mg/kg PO q6h for 14–21 days (maximum,500 mg per dose)
- Parenteral regimen
- 2.1 Specific Organ system involved 1
References
- ↑ Adam MP, Ardinger HH, Pagon RA, Wallace SE, Bean LJH, Stephens K; et al. (1993). "GeneReviews®". PMID 20301300.
- ↑ Adam MP, Ardinger HH, Pagon RA, Wallace SE, Bean LJH, Stephens K; et al. (1993). "GeneReviews®". PMID 20301300.
- ↑ Gordon LB, Kleinman ME, Miller DT, Neuberg DS, Giobbie-Hurder A, Gerhard-Herman M; et al. (2012). "Clinical trial of a farnesyltransferase inhibitor in children with Hutchinson-Gilford progeria syndrome". Proc Natl Acad Sci U S A. 109 (41): 16666–71. doi:10.1073/pnas.1202529109. PMC 3478615. PMID 23012407.
- ↑ Ullrich NJ, Kieran MW, Miller DT, Gordon LB, Cho YJ, Silvera VM; et al. (2013). "Neurologic features of Hutchinson-Gilford progeria syndrome after lonafarnib treatment". Neurology. 81 (5): 427–30. doi:10.1212/WNL.0b013e31829d85c0. PMC 3776537. PMID 23897869.
- ↑ Gordon LB, Massaro J, D'Agostino RB, Campbell SE, Brazier J, Brown WT; et al. (2014). "Impact of farnesylation inhibitors on survival in Hutchinson-Gilford progeria syndrome". Circulation. 130 (1): 27–34. doi:10.1161/CIRCULATIONAHA.113.008285. PMC 4082404. PMID 24795390.
- ↑ Cao K, Blair CD, Faddah DA, Kieckhaefer JE, Olive M, Erdos MR; et al. (2011). "Progerin and telomere dysfunction collaborate to trigger cellular senescence in normal human fibroblasts". J Clin Invest. 121 (7): 2833–44. doi:10.1172/JCI43578. PMC 3223819. PMID 21670498.
- ↑ Adam MP, Ardinger HH, Pagon RA, Wallace SE, Bean LJH, Stephens K; et al. (1993). "GeneReviews®". PMID 20301300.