Wire about endlessly doctored placebo (5)
I believe the answer is:
cable
'wire' is the definition.
('cable' can be a synonym of 'wire')
'endlessly doctored placebo' is the wordplay.
'endlessly' says to take the centre (the ends of the words are removed).
'doctored' becomes 'patched' (patching is a kind of doctoring).
'placebo' becomes 'able' (I can't explain this - if you can you should give a lot more credence to this answer).
The middle of 'patched' is 'c'.
'c'+'able'='CABLE'
'about' is the link.
Can you help me to learn more?
(Other definitions for cable that I've seen before include "Hawser, wire" , "Communications wire" , "Telegraph" , "This may pull car up" , "Rope; message" .)