Zambon S.p.a.

Franco Castegini

Giovanni Caponetti

Loretta Maggi

Marco Sardina

Gianluigi Faiella

Daniela Rebolini

The present invention relates to inhalation formulations of drugs in the form of dry powder for inhalation administration, suitable for the treatment of obstructive diseases of the airways, such as asthma and chronic obstructive pulmonary disease (COPD). In particular, the invention relates to a pharmaceutical composition for inhalation comprising a first powder comprising budesonide or a pharmaceutically acceptable salt thereof, in an amount greater than 5% by weight of said first powder, leucine in an amount from 5 to 70% by weight of said first powder, lactose in an amount from 20 to 90% by weight of said first powder; a second powder comprising formoterol or a pharmaceutically acceptable salt thereof, in an amount greater than 1% by weight of said second powder, leucine in an amount from 5 to 70% by weight of said second powder, lactose in an amount from 20 to 90% by weight of said second powder and a third powder comprising a mixture of a first lactose which has an X50 from 35 to 75 &#x3bc;m, with a second lactose which has an X50 from 1.5 to 10 &#x3bc;m, the content of said first and second lactose in said mixture being respectively from 85% to 96% and from 4% to 15%. Said composition has a fine particle fraction (FPF) greater than 60% and a delivered fraction (DF) greater than 80%.

Pharmaceutical composition containing budesonide and formoterol

The present invention relates to drug formulations in dry powder form for administration by inhalation and indicated for the treatment of obstructive airway syndromes such as asthma and chronic obstructive pulmonary disease (COPD). In particular, the invention relates to an inhalable pharmaceutical composition comprising a first powder consisting of budesonide, or one of its pharmaceutically allowable salts, in a quantity greater than 5% w/w of said first powder, leucine in a quantity in the range of 5 to 70% w/w of said first powder, and lactose in a quantity in the range of 20 to 90% w/w of said first powder; a second powder consisting of formoterol, or one of its pharmaceutically allowable salts, in a quantity greater than 1% w/w of said second powder, leucine in a quantity in the range of 5 to 70% w/w of said second powder, and lactose in a quantity in the range of 20 to 90% w/w of said second powder; and a third powder consisting of leucine in a quantity in the range of 5 to 70% w/w of said third powder, and lactose in a quantity in the range of 20 to 90% w/w of said third powder. Said composition has a fine particle fraction (FPF) greater than 60% and a delivered fraction (DF) greater than 90%.

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Vicenza, Italy

Franco Castegini