9th December 2023, A/Prof Chee L Khoo
We know how effective statins are in lowering cholesterol levels. Lowering of cholesterol levels, especially LDL-C, have been shown to incrementally reduce adverse cardiovascular events in patients with atherosclerotic disease. We have data to show that for every 1 mmol/L of LDL-C reduction there is a 23% reduction in cardiovascular events, which means, the lower the better (1).…
12th December 2022, Dr Chee L Khoo
We explored lipoprotein a (Lp(a)) as a significant residual risk factor for atherosclerotic cardiovascular disease (ASCVD) and aortic stenosis in August this year. We looked at the strong and log-linear association between elevated Lp(a) and cardiovascular (CV) events. While the new PCSK9 inhibitors, notably alirocumab, has been shown to modestly reduce Lp(a) levels (and is associated with a small reduction in CV events) in the ODYSSEY trials, we do not have any agents that specifically lower Lp(a) approved yet (1).…
13th July 2022, Dr Chee L Khoo
In the last issue of GPVoice, we looked at the up-to-date guidelines in the management of dyslipidaemia in primary and secondary prevention. We looked at how complex those guidelines are. We also touched on the fact not all the evidence behind the guidelines is Level A evidence. The PCSK9 inhibitors, in particular, are a relatively new class of lipid lowering agents and the data is still coming in.…
26th June 2022, Dr Chee L Khoo
I was recently tasked with preparing a lecture on the current guidelines for lipid management in patients with diabetes. I thought it was quite straight forward. We have known for some years now that the targets are tighter than patients without diabetes. Thus, it can’t be that hard. As I looked into national and international guidelines, they started to get more and more complicated.…
27th February 2022, Dr Chee L Khoo
Homozygous familial hypercholesterolaemia (HoFH) is one of those conditions that allow us to prescribe the new PCSK9 inhibitors under PBS Authority. It is a pretty rare inherited disorder resulting in extremely elevated low-density lipoprotein cholesterol (LDL) levels and significantly elevated risk of premature atherosclerotic cardiovascular disease (ASCVD). Despite the extreme high risks, HoFH is usually go unrecognised and if recognised are diagnosed late and undertreated.…
13th November 2021, Dr Chee L Khoo
The authority to prescribe a PCSK9 inhibitors for patients with resistant hyperlipidaemia under the PBS continues to be pretty complicated. We tried to simplified those numerous criteria back in December 2020 here when the criteria were “loosened” somewhat. This has facilitated my prescription of this important drug in those patients who have really, really high cardiovascular risk.…
24th December 2020, Dr Chee L Khoo
It’s been a couple of years since we first previewed the PCSK9 inhibitors (PCSK9i) on the PBS for patients with dyslipidaemia despite maximal statins and ezetimibe. Since then PCSK9i have been demonstrated in many trials of its efficacy in patients with high cardiovascular risk with dyslipidaemia despite maximally tolerated statins. The qualifying criteria under the PBS has significantly loosened and suddenly we all have a number of patients who will meet those PBS criteria.…