Packaging assembly including: - a plurality of encapsulation elements adapted to contain pharmaceutical products or medical-sanitary items, - a ribbon-like support formed with flexible material having two opposite faces and extension along a longitudinal direction, said ribbon-like support comprising said plurality of encapsulation elements which are mutually spaced from each other along said longitudinal direction and which protrude from at least one of the faces of said ribbon-like support, wherein said ribbon-like support further comprises a plurality of folding lines each of which is formed transversely to said longitudinal direction, each of said plurality of folding lines being adapted to fold said ribbon-like support on itself so as to form a serpentine stack having a plurality of levels each defined by consecutive portions of said ribbon-like support, - a containment element adapted to contain said ribbon-like support and said plurality of encapsulation elements, said containment element being formed with flexible film and being shaped to operatively contain said serpentine stack substantially adhering to the latter so as to keep each of said plurality of levels substantially aligned with each other, operatively stabilizing the stacked structure of the latter, characterized in that said containment element comprises a substantially tubular portion having a longitudinal axis and closed at its longitudinal ends (12a, 12b), said serpentine stack being contained in said containment element so that said longitudinal direction of said ribbon-like support is substantially parallel to said longitudinal axis of said substantially tubular portion. - a plurality of encapsulation elements adapted to contain pharmaceutical products or medical-sanitary items, - a ribbon-like support formed with flexible material having two opposite faces and extension along a longitudinal direction, said ribbon-like support comprising said plurality of encapsulation elements which are mutually spaced from each other along said longitudinal direction and which protrude from at least one of the faces of said ribbon-like support, wherein said ribbon-like support further comprises a plurality of folding lines each of which is formed transversely to said longitudinal direction, each of said plurality of folding lines being adapted to fold said ribbon-like support on itself so as to form a serpentine stack having a plurality of levels each defined by consecutive portions of said ribbon-like support, said ribbon-like support comprising said plurality of encapsulation elements which are mutually spaced from each other along said longitudinal direction and which protrude from at least one of the faces of said ribbon-like support, wherein said ribbon-like support further comprises a plurality of folding lines each of which is formed transversely to said longitudinal direction, each of said plurality of folding lines being adapted to fold said ribbon-like support on itself so as to form a serpentine stack having a plurality of levels each defined by consecutive portions of said ribbon-like support, - a containment element adapted to contain said ribbon-like support and said plurality of encapsulation elements, said containment element being formed with flexible film and being shaped to operatively contain said serpentine stack substantially adhering to the latter so as to keep each of said plurality of levels substantially aligned with each other, operatively stabilizing the stacked structure of the latter, characterized in that said containment element comprises a substantially tubular portion having a longitudinal axis and closed at its longitudinal ends (12a, 12b), said serpentine stack being contained in said containment element so that said longitudinal direction of said ribbon-like support is substantially parallel to said longitudinal axis of said substantially tubular portion.