FORM 6-K

SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

 

FORM 6-K

 

REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a - 16 OR 15d - 16 OF
THE SECURITIES EXCHANGE ACT OF 1934

 

For the month of December, 2006

 

SkyePharma PLC


(Translation of registrant's name into English)

 

SkyePharma PLC, 105 Piccadilly, London W1J 7NJ England


(Address of principal executive office)

 

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40F.

Form 20-F X      Form 40-F

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes         No X

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- _______


 




For immediate release                                       19 December 2006

                           SkyePharma PLC ("the Company")
                     Notification of Major Interest in Shares

In accordance  with the Companies Act 1985 (as amended) the Company was informed
on 18 December 2006 that Lehman Brothers  International  (Europe) ("Lehman") had
increased  their  holding by  15,282,860  since their last filing on 23 November
2006.  Lehman's  revised  holding  amounts to 76,314,195  Ordinary Shares of 10p
each, representing 10.12% of the issued share capital of the Company.

                                    - ends -
END



SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

                                                                  SkyePharma PLC

                                                                      By: /s/ Douglas Parkhill

                                                                       Name: Douglas Parkhill
                                                                          Title: Company Secretary

Date:   December 19, 2006