The most common and most likely answer to this crossword clue is the 7 letter word STATINS
I've seen this crossword clue in The Guardian
S
T
A
T
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More clues leading to the result STATINS
Buddy explains!

The straight part
We know that "drugs" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case drugs = statins.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does STATINS mean?
STATINS noun- Any of a class of drugs (chiefly lactones or pyrroles) that lower the amount of cholesterol in the blood by inhibiting an enzyme involved in its biosynthesis.
- An inhibiting hormone; a hormone that is involved primarily in inhibiting the release of another hormone.