Type

Scaffold material

State of surface of scaffold

Coating

on scaffold

Drug in

coating

Example

(Commercial name)

Durable non-drug-

eluting bare metal

stent (BMS)

Durable metal

Plain

None

None

--Co-Cr

--316 stainlesssteel

--Pt-Cr

--Nitinol

Driver MP35N

Omega

Durablenon-drug-eluting coated metal stent

(CMS-I)

Durable metal

Plain

Yes

Diamond-like coating

or IrO, or TiN, or SiC

coating

None

Titan

Durable antigen/

inhibitor-eluting

coated metalstent

(CMS-II)

Durable metal

Plain

Yes

Yes, butdrug is a

non-pharmacological

agent

A polysaccharide

matrix that contains

anti-human CD34 antigen

Genous

Durable drug-eluting bare stent (DES-I)

Durable metal

Microporous/textured

None

Yes

--stainless steel

--stainless steel

Textured only on abluminal surfaces

Sirolimus

Biolimus A9

Yukon

BioFreedom

Laser-cut

Reservoirs partially filled

with a drug and PLGA

Siromilus

NEVO

Carbon-coated;

Then deep abluminal reservoirs cutalong the struts and filled with a drug

Janus Flex

(tater known as

Optima)

Durable early-and

new-generation

polymer-coated

stent (DES-II)

Durable metal

Plain

Durable polymer

Yes

--Co-Cr

--Co-Cr

--Pt-Cr

PBMA and PVDF-HFP

PBMA and PVDF-HFP

PBMA and PVDF-HFP

Everolimus

Everolimus

Everolimus

Xience

Xpedition

PromusElement

--Stainless steel

SIBS

Paclitaxel

Taxus Liberte

--Stainless steel

PEVA andPBMA

Sirolimus

Cypher

--Co-Cr

MPC, LMA, HPMA, and 3-MPMA

Zotarolimus

Endeavor

Partiallybioresorbable

Stent (PBRS-I)

Durable metal

Plain

Bioresorbable

polymer

Yes

--Co-Cr

--Co-Cr

--Pt-Cr

PLLA

PDLC

PLGA

Novolimus

Sirolimus

Everolimus

DESyne

Ultimaster

SYNERGY

Partially bioresorbable

Stent (PBRS-II)

Durable metal

Coated

Bioresorbable

polymer

Yes