MASSACHUSETTS INVESTORS TRUST, 497, 1997-09-30

MASSACHUSETTS INVESTORS TRUST
497, 1997-09-30

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                          MASSACHUSETTS INVESTORS TRUST
                                MFS RESEARCH FUND
                              MFS WORLD EQUITY FUND
                            MFS STRATEGIC GROWTH FUND
                              MFS HIGH INCOME FUND
                            MFS STRATEGIC INCOME FUND


                      Supplement to the Current Prospectus


         During the  period  from  October 1, 1997  through  December  31,  1997
(unless extended by MFS Fund  Distributors,  Inc. ("MFD")) (the "Sales Period"),
MFD will pay NatCity  Investments,  Inc. 100% of the applicable  sales charge on
sales of Class A shares of the Fund sold by them  during  the Sales  Period.  In
addition, MFD will pay NatCity Investments,  Inc. an additional commission equal
to 0.50% of the net asset value of all of the Class B shares of the Fund sold by
them during the Sales Period.



                The date of this Supplement is October 1, 1997.