Linker

Payload

Payload Class

Cyclic

Approval Status

Maleimidocaproyl (MC)

Monomethyl auristatin E (MMAE)

Auristatin

Yes

Approved

Maleimidocaproyl (MC)

Monomethyl auristatin F (MMAF)

Auristatin

Yes

Approved

Valine-citrulline (VC)

Monomethyl auristatin E (MMAE)

Auristatin

Yes

Approved

Valine-citrulline (VC)

Monomethyl auristatin F (MMAF)

Auristatin

Yes

Approved

Glucuronide

Monomethyl auristatins (MMAs)

Auristatin

Yes

Approved

Glucuronide

Maytansines (MTs)

Maytansine

Yes

Approved

Glucuronide

Duocarmycins (DCs)

Duocarmycin

Yes

Approved

Hydrazone

Monomethyl auristatins (MMAs)

Auristatin

Yes

Approved

Hydrazone

Maytansines (MTs)

Maytansine

Yes

Approved

Hydrazone

Duocarmycins (DCs)

Duocarmycin

Yes

Approved

Disulfide

Monomethyl auristatins (MMAs)

Auristatin

Yes

Approved

Disulfide

Maytansines (MTs)

Maytansine

Yes

Approved

Disulfide

Duocarmycins (DCs)

Duocarmycin

Yes

Approved

Click chemistry

Monomethyl auristatins (MMAs)

Auristatin

Yes

Approved

Click chemistry

Maytansines (MTs)

Maytansine

Yes

Approved

Click chemistry

Duocarmycins (DCs)

Duocarmycin

Yes

Approved

Click chemistry

Pyrrolobenzodiazepines (PBDs)

PBD

No

Approved