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124           Triglyceride And Cardiovascular Risk Whats New???





              si-linetherapy in patients with mild –to-moderate hy-  by 20-50% administration of 3 to 4 g/d of EPA plus
              pertriglycerdemia.side  effects of stains are  reported   DHA is required.
              in about 10% of patients. They include muscle cramps,
              weakness,  and muscle aches.  Rhabdomyolysis is  Newer Hypolipidaemic Drugs:
              very rare. Howeverstatins should be used with cau-  Classification – Newer Drugs
                      33
              tion  in elderly  renal failure , and  in the presence  of
              acute illness.                                     Proprotein convertase subtilisin / kexintype 9 (pcsk9)
                                                                 inhibitors Evolocumab,bococizumab, Alirocumab
              Fibrates:  Fibrates  are  PPAR-α agonists  fibrates  re-
              duce triglyceride  levels  by      50%.Various  trials  with   Apolipoprotein B synthesis inhibitor – Mipomersen
              fibrates have shown reduction of Cv risk in patients   Microsomal triglyceride transfer protein (MTTP)inhib-
              with dyslipidemia.                                 itor- Lopitamide
              Fibrates  reduces  triglyceride  levels  through several
              mechanisms                                         Thyromimetic- Eprotirome

              Increased fatty acid oxidation                     Cholestryl  ester  transfer  protein (CETP) Ainhibitors-
                                                                 Torcetrapib, dalcetrapib
              Increased LPL synthesis
                                                                 Dual peroxisome  proliferator-  activated  Receptors
              Reduced  apo C-III expression                      Alpha /Gamma Agonist Saroglitazar: Saroglitazar(Li-
              The net effect is a decrease in VLDL triglyceride pro-  paglyn)
              duction  and an increase  in  catabolism of  triglycer-  In clinical studies,saroglitazar  has demonstrated re-
              ide-rich lipoproteins in moderate and  severe  hyper-  duction  of  triglycerides  (TG)  LDL cholesterol,VLDL
              triglyceridemia  fibrates  generally  decrease  triglycer-  cholesterol,non  –HDL cholesterol a characteristic
              ide  levels  by  30-50% and sometimes increase  HDL   hallmark of atherogenic diabetic dyslipidemia(ADD)
              cholesterol.
                                                                 Saroglitazar is the only drug approved by Drug con-
              Common  adverse  effects with fibrates  are  gastroin-  troller  general  of  india (DCGI).It  is  approved    for  the
              testinal disturbances, rash,  headache,  pancreatitis,   treatment of diadetic dyslipidemia and hupertriglycer-
              myalgia, and  myotoxicity,  combining  fibrates  with   idemia with T2DM  not controlled on statin therapy.
                                                                                                                48
                                                 40
              stains  increases  the myopathies  5.5% .  Preexisting
              severe  renal dysfunctions,  severe  liver  sysfunction,   Other Measures:
              and gall bladder disease are contraindications to ad-
              ministration to fibrates.                          In  patients with refractory  hypertriglycerdemia  com-
                                                                 binations of statins,fibrates,nicotinic,acid and fish oil
              Niacin: Niacin lowers triglyceride levels and increases   may be used. Patients with  marked  symptoms  with
              HDL cholesterol levels.                            acute pancreatitis and hypertriglycerdemia have been
              At doses of 500  to 2000  mg/d, niacin  lowers  tri-  treated with plasma exchange/plasmapheresis. 49
              glyceride  by 10-30%,  increases  HDL  cholesterol  by   In patients  with  type  V hyperlipoproteinemia  and
              10-40%,and lowers LDL cholesterol by 5-20%.        very  high triglyceride  levels   refractory  to therapies,
              Also has Lp(a)- lowering effect.                   a study on five patients suggested benefit from orli-
                                                                 stat. Orlistat is minimally adsorption of approximately
              Complications  of niacin  therapy-  hepatotoxicity  im-  30%  of ingested fat,and  reduces intestinal  chylomi-
              paired  glucose tolerance or hyperuricemia  requiring   corn synthesis. 50
              laboratory monitoring
              N-3 Fatty Acids: Many studies have demonstrated a  Monitoring Response to Pharmacological
              dose – dependent triglyceride- lowering effect of long   management:
              chain marine Omega-3 fatty acids(eicosapentaenoic   Pharmacological therapies  vary  in time taken to re-
              acid or EPA and docosahexaenoic acid or DHA).How-  duce  triglyceride levels.Effects with  nicotinic  acid  is
              ever,  no  studies  using  high  –dose  n-3 fatty acids  in   seen  in 6 weeks,  with fish oil  in 2 weeks  and a re-
              hypertriglycerdemic patients have demonstrated any   sponse  to fibrates is  seen  as  early  as  2 weeks  into
              beneficial cardiovascular outcomes to date.
                                                                 therapy with a maximal effect in 6-8 weeks. 51
              Omega-3 fatty acids may be considered for treatment
              of severe and very sever hupertriglyceridemia(>1,000
              mg/dl), and to achieve a reductions of triglyceridemia


                                                         GCDC 2017
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