Abstract: The present invention relates to an albumin-free liquid formulation comprising a long-lasting oxyntomodulin conjugate in which an oxyntomodulin peptide comprising a derivative, variant, precursor or fragment of oxyntomodulin is linked to an immunoglobulin Fc region, which can increase the duration of physiological activity of the long-lasting oxyntomodulin conjugate and maintain the in vivo stability thereof for an extended period of time, as compared to native oxyntomodulin, as well as a method for preparing the liquid formulation. The liquid formulation comprises a buffer, a sugar alcohol and a nonionic surfactant and does not contain a human serum albumin and factors that are potentially harmful to the human body, and thus is not susceptible to viral infection.

Abstract: A sustained release preparation of a human growth hormone conjugate is disclosed. The sustained release preparation contains a sustained release human growth hormone (hGH) conjugate resulting from conjugation between an immunoglobulin Fc region and a human growth hormone (hGH) as an active peptide; a buffer solution; a nonionic surfactant; and a sugar alcohol. A freeze dried preparation and a liquid preparation including the sustained release human growth hormone conjugate, a production method for the freeze dried preparation, a method of reconstituting the freeze dried preparation, and a kit containing the freeze dried preparation and a reconstituting solution are also disclosed.

Abstract: The present invention relates to a liquid formulation of long-acting insulin conjugate, comprising a pharmaceutically effective amount of a long-acting insulin conjugate, wherein a physiologically active peptide, which is an insulin, is linked to an immunoglobulin Fc region; and an albumin-free stabilizer, wherein the stabilizer comprises a buffer, a sugar alcohol, a non-ionic surfactant, and an isotonic agent, and a method for preparing the formulation. For preventing microbial contamination in multiple uses, a preservative can be added to the formulation. The liquid formulation of the present invention does not comprise a human serum albumin and potentially hazardous factors to body, and thus it has excellent storage stability for insulin conjugate without a risk of viral infection.

Abstract: The present invention relates to a sustained type human growth hormone conjugate preparation comprising: a sustained type human growth hormone (hGH) conjugate resulting from conjugation between the immunoglobulin Fc region and a human growth hormone (hGH) constituting a bioactive peptide; a buffer solution; a nonionic surfactant; and a sugar alcohol. More specifically, the present invention relates to a sustained type human growth hormone conjugate freeze dried preparation and liquid preparation, to a production method for the freeze dried preparation, to a method of reconstituting the freeze dried preparation, and to a kit comprising the freeze dried preparation and a reconstituting solution.

Abstract: The present invention relates to a novel glucagon derivative peptide, and a composition for preventing or treating hypoglycemia containing the novel glucagon derivative peptide as an active ingredient. The glucagon derivative according to the present invention has improved physical properties due to the change in isoelectric point (pI) while being capable of maintaining an activity on glucagon receptors, and thus can improve patient compliance when used as a hypoglycemic agent, and is also suitable for administration in combination with other anti-obesity agents. Accordingly, the glucagon derivative according to the present invention can be effectively used for the prevention and treatment of hypoglycemia and obesity.

Abstract: An insulin conjugate having improved in vivo duration and stability is provided. The conjugate is prepared by covalently linking insulin with an immunoglobulin Fc region via a non-peptidyl polymer, a long-acting formulation comprising the same, and a preparation method thereof. The insulin conjugate of the present invention maintains in vivo activity of the peptide at a relatively high level and remarkably increases the serum half-life thereof, thereby greatly improving drug compliance upon insulin treatment.

Abstract: Provided is a complex composition, of which positional isomers are minimized by using a N-terminus of an immunoglobulin Fc region as a binding site when the immunoglobulin Fc region is used as a carrier. Also provided are a protein complex which is prepared by N-terminal-specific binding of immunoglobulin Fc region, thereby prolonging blood half-life of the physiologically active polypeptide, maintaining in vivo potency at a high level, and having no risk of immune responses, a preparation method thereof, and a pharmaceutical composition including the same for improving in vivo duration and stability of the physiologically active polypeptide. The protein complex may be usefully applied to the development of long-acting formulations of various physiologically active polypeptide drugs.

Abstract: Provided is a long-acting pharmaceutical composition containing a conjugate comprising a physiologically active polypeptide linked to an immunoglobulin Fc fragment, wherein the composition contains a monomeric conjugate comprising one molecule of the physiologically active polypeptide linked to a single immunoglobulin Fc fragment, and optionally contains a multimeric conjugate comprising two or more molecules of the same physiologically active polypeptide linked to a single immunoglobulin Fc fragment, provided that the molar ratio of the monomeric conjugate to the multimeric conjugate in the composition is at least 19; a physiologically active polypeptide monomer-immunoglobulin Fc fragment conjugate that comprises a physiologically active polypeptide monomer linked via a non-peptidyl linker to an immunoglobulin Fc fragment, wherein the physiologically active polypeptide is linked via the non-peptidyl linker to the immunoglobulin Fc fragment in a monomeric form.

Abstract: Provided are a liquid formulation of long-acting insulinotropic peptide conjugate, containing a pharmaceutically effective amount of long-acting insulinotropic peptide conjugate consisting of a physiologically active peptide, insulinotropic peptide, and an immunoglobulin Fc region; and an albumin-free stabilizer, wherein the stabilizer comprises a buffer, a sugar alcohol, and a non-ionic surfactant, and a method for preparing the formulation. For the purpose of preventing microbial contamination, a preservative may be added. The liquid formulation of the present invention is free of human serum albumin and other potentially hazardous factors to body, having no risk of viral contamination, and thus can provide excellent storage stability for insulinotropic peptide conjugates at high concentration.

Abstract: The present invention relates to an albumin-free liquid formulation comprising a long-lasting oxyntomodulin conjugate in which an oxyntomodulin peptide comprising a derivative, variant, precursor or fragment of oxyntomodulin is linked to an immunoglobulin Fc region, which can increase the duration of physiological activity of the long-lasting oxyntomodulin conjugate and maintain the in vivo stability thereof for an extended period of time, as compared to native oxyntomodulin, as well as a method for preparing the liquid formulation. The liquid formulation comprises a buffer, a sugar alcohol and a nonionic surfactant and does not contain a human serum albumin and factors that are potentially harmful to the human body, and thus is not susceptible to viral infection.

Abstract: The present invention relates to an albumin-free liquid formulation comprising a long-lasting oxyntomodulin conjugate in which an oxyntomodulin peptide comprising a derivative, variant, precursor or fragment of oxyntomodulin is linked to an immunoglobulin Fc region, which can increase the duration of physiological activity of the long-lasting oxyntomodulin conjugate and maintain the in vivo stability thereof for an extended period of time, as compared to native oxyntomodulin, as well as a method for preparing the liquid formulation. The liquid formulation comprises a buffer, a sugar alcohol and a nonionic surfactant and does not contain a human serum albumin and factors that are potentially harmful to the human body, and thus is not susceptible to viral infection.

Abstract: The present invention relates to polyethylene glycol derivatives and use thereof.

Abstract: The present invention relates to a liquid formulation of a long-acting human growth hormone conjugate and a preparation method thereof.

Abstract: The present invention relates to a protein conjugate in which a physiologically active polypeptide and a biocompatible material are linked through a fatty acid derivative, thus having an extended duration of physiological activity compared to that of a natural type, and a method of preparing the same. The protein conjugate of the present invention in which a biocompatible material, fatty acid, and a physiologically active polypeptide are linked was confirmed to have an increased half-life of the physiologically active polypeptide, and thus can be widely used in the field of protein drugs.

Abstract: A liquid formulation of highly concentrated long-acting human growth hormone conjugate contains a pharmaceutically effective amount of the long-acting human growth hormone conjugate in which human growth hormone (hGH) is linked to an immunoglobulin Fc region, and an albumin-free stabilizer, said stabilizer comprising a buffer, a non-ionic surfactant, a sugar alcohol, and sodium chloride as an isotonic agent. A method for preparing the same is provided.

Abstract: Disclosed are a protein conjugate with improved in vivo duration and stability and the use thereof. The protein conjugate includes a physiologically active polypeptide, a non-peptide polymer and an immunoglobulin Fc fragment. Since the three components are covalently linked, the protein conjugate has extended in vivo duration and enhanced stability for the physiologically active polypeptide. The protein conjugate maintains the in vivo activity at relatively high levels and remarkably increases the serum half-life for the physiologically active polypeptide, with less risk of inducing undesirable immune responses. Thus, the protein conjugate is useful for developing long-acting formulations of various polypeptide drugs.

Abstract: Provided is a complex composition, of which positional isomers are minimized by using a N-terminus of an immunoglobulin Fc region as a binding site when the immunoglobulin Fc region is used as a carrier. Also provided are a protein complex which is prepared by N-terminal-specific binding of immunoglobulin Fc region, thereby prolonging blood half-life of the physiologically active polypeptide, maintaining in vivo potency at a high level, and having no risk of immune responses, a preparation method thereof, and a pharmaceutical composition including the same for improving in vivo duration and stability of the physiologically active polypeptide. The protein complex prepared by the present invention may be usefully applied to the development of long-acting formulations of various physiologically active polypeptide drugs.

Abstract: An insulin conjugate having improved in vivo duration and stability is provided. The conjugate is prepared by covalently linking insulin with an immunoglobulin Fc region via a non-peptidyl polymer, a long-acting formulation comprising the same, and a preparation method thereof. The insulin conjugate of the present invention maintains in vivo activity of the peptide at a relatively high level and remarkably increases the serum half-life thereof, thereby greatly improving drug compliance upon insulin treatment.

Abstract: Disclosed are a protein conjugate with improved in vivo duration and stability and the use thereof. The protein conjugate includes a physiologically active polypeptide, a non-peptide polymer and an immunoglobulin Fc fragment. Since the three components are covalently linked, the protein conjugate has extended in vivo duration and enhanced stability for the physiologically active polypeptide. The protein conjugate maintains the in vivo activity at relatively high levels and remarkably increases the serum half-life for the physiologically active polypeptide, with less risk of inducing undesirable immune responses. Thus, the protein conjugate is useful for developing long-acting formulations of various polypeptide drugs.

Abstract: The present invention relates to a liquid formulation of highly concentrated long-acting human growth hormone conjugate, comprising a pharmaceutically effective amount of the long-acting human growth hormone conjugate in which human growth hormone (hGH) is linked to an immunoglobulin Fc region, and an albumin-free stabilizer, said stabilizer comprising a buffer, a non-ionic surfactant, a sugar alcohol, and sodium chloride as an isotonic agent, and a method for preparing the same.