UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                    FORM N-PX


               ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED
                         MANAGEMENT INVESTMENT COMPANY


Investment Company Act file number        811-6590
                                          --------------------------------------


                  Morgan Stanley Insured Municipal Income Trust
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               (Exact name of registrant as specified in charter)



   1221 Avenue of the Americas, New York, New York            10020
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     (Address of principal executive offices)               (Zip code)


                                Amy Doberman Esq


                                Managing Director


                     Morgan Stanley Investment Advisors Inc.


                           1221 Avenue of the Americas


                            New York, New York 10020
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                     (Name and address of agent for service)


Registrant's telephone number, including area code:  800-869-6397
                                                    ----------------------------


Date of fiscal year end:   10/31
                         ------------------------


Date of reporting period:    7/1/04 - 6/30/05
                          -----------------------


The registrant held no Securities during the period July 1, 2004 through 
June 30, 2005 which required proxy votes and therefore there are no voting
records to report.




******************************* FORM N-Px REPORT *******************************

ICA File Number: 811-06590                                                      
Reporting Period: 07/01/2004 - 06/30/2005                                       
Morgan Stanley Insured Municipal Income Trust                                   
                                                                                
                                                                                
                                                                                






======================== INSURED MUNICIPAL INCOME TRUST ========================

========== END NPX REPORT






                                   SIGNATURES


         Pursuant to the requirements of the Investment Company Act of 1940, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.


(Registrant):       Morgan Stanley Insured Municipal Income Trust
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By  (Signature and Title):
                                        /s/ Ronald E. Robison


                             Principal Executive Officer - Office of the Funds
                    ------------------------------------------------------------


Date        August 25, 2005
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