Here are some clues, courtesy of none other than BearDownAZ:

https://agoracom.com/ir/Resverlogix/forums/discussion/topics/720708-coronary-artery-calcium-score/messages/2216801#message

https://agoracom.com/ir/Resverlogix/forums/discussion/topics/720708-coronary-artery-calcium-score/messages/2222340#message

https://agoracom.com/ir/Resverlogix/forums/discussion/topics/720708-coronary-artery-calcium-score/messages/2222359#message

https://agoracom.com/ir/Resverlogix/forums/discussion/topics/720708-coronary-artery-calcium-score/messages/2222386

See slides 39 on from this 2015 AGM transcript, courtesy of Imtesty.
https://agoracom.com/ir/Resverlogix/forums/discussion/topics/652971-resverlogix-150929-c-rough-unofficial-transcript/messages/2048940#message

Bottom line high ALP causes vascular calcification.  Apabetalone dramatically reduces ALP.   Apabetalone also stabilizes and reduces arterial plaque.  IMO, this all sounds fairly promissing for an eventual reduction in your arterial calcification score.   Happy reading!