Openings that lead to IQP for white

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Trapper4

What openings often lead to IQP for White after 1. e4? 

thanks

Trapper4

oh ok thanks. which lines in the Alekhine? the mainlines are getting a little old. 

i just like the positions where White has fluid piece play for the long-term weakness, seems fun to play

RookSacrifice_OLD

Also QGA e3 variation and nimzo e3 c5 variation

Trapper4

hmmm okay thanks guys. @lasker actually I've been studying them pretty hard lately and since I know most of the plans for the side with the isolani, i was wondering if there's any opening that can "force" an isolani for white, starting with 1. e4 :P

RookSacrifice_OLD

And Giuoco Piano 4. c3 / 5. d4 line also.