Polymer compositions

A dosage regimen comprising the step of administering to a patient, suffering from being overweight, having obesity, having diabetes, or a combination thereof, wherein the dosage regimen comprises:

• a first dose of a product formulation, which is retained in the stomach of the treated patient for at least one day;
• wherein the product formulation comprises:
• one or more compressed superporous hydrogels comprising a plurality of pores which are defined by a network structure formed by one or more hydrophilic polymers arranged in the form of one or more selected from an interpenetrating network, a semi-interpenetrating network and a simple cross-linked arrangement,
• wherein at least some of the plurality of pores are collapsed and wherein the network structure which defines the collapsed pores is at least 50% unbroken,
• wherein one or more of the hydrophilic polymers are made by the polymerisation and/or copolymerisation of one or more monomers selected from the group consisting of C1-C6-alkenyl amides and C1-C6-alkenyl acids, and
• wherein the one or more compressed superporous hydrogels will swell to a diameter of ≥25 mm within 10 to 30 minutes of ingestion by the patient;
• wherein the first dose comprises the one or more compressed superporous hydrogels in an amount which will swell to fill up to 80% of the volume of the treated patient's stomach.