Abstract: A copolymer comprising an N-acylated derivative, and a composition comprising said copolymer and a polypeptide, said polypeptide comprising at least one effective ionogenic amine, wherein at least 50 percent, by weight, of said polypeptide present in said composition is ionically bound to said polymer.

Abstract: The present invention is directed to a method of treating one or more of the following disease and/or conditions, which comprises administering to a patient in need thereof the compound H-.beta.-D-Nal-Cys-Tyr-D-Trp-Lys-Val-Cys-Thr-NH.sub.2, where the Cysteines are bonded by a disulfide bond, or a pharmaceutically acceptable salt thereof, most preferably the acetate salt of the compound, in the treatment of certain diseases and/or conditions such as gastroenterological conditions and/or diseases, endocrinological diseases and/or conditions, various types of cancers and conditions associated with cancer such as cancer cachexia and in the treatment of hypotension and panic attacks.

Abstract: A method of treating liver cancer involving administration to the subject a therapeutically effective amount of a bombesin analog.

Abstract: A cyclic peptide analog of somatostatin wherein a disulfide bond links the N-terminus residue and the C-terminus residue.

Abstract: Peptide variants of fragment (1-34) of parathyroid hormone, in which at least one of the amino acid residues at positions 7, 11, 23, 24, 27, 28, and 31 is cyclohexylalanine, or at least one of the amino acid residues at positions 3, 16, 17, 18, 19, and 34 is .alpha.-aminoisobutyric acid; or, alternatively, at least the amino acid residue at position 1 is .alpha.,.beta.-diaminopropionic acid, the amino acid residue at position 27 is homoarginine, or the amino acid residue at position 31 is norleucine.

Abstract: A linear (i.e., non-cyclic) analog of biologically active amphibian bombesin, mammalian gastrin-releasing peptide (GRP), or mammalian growth hormone releasing factor (GRF), having an active site and a binding site responsible for the binding of the peptide to a receptor on a target cell. Cleavage of a peptide bond in the active site of naturally occurring bombesin, GRP, or GRF is unnecessary for in vivo biological activity. The analog has one of the following modifications: (a) a deletion of an amino acid residue within the active site and a modification of an amino acid residue outside of the active site, (b) a replacement of two amino acid residues within the active site with a synthetic amino acid, a .beta.-amino acid, or a .gamma.-amino acid residue, or (c) a non-peptide bond instead of a peptide bond between an amino acid residue of the active site and an adjacent amino acid residue.

Abstract: The invention features linear therapeutic peptides of the following formula: ##STR1## in which A.sup.1 is a D-.alpha.-aromatic amino acid or a D-.alpha.-tethered amino acid; A.sup.2 is Gln, His, 1-methyl-His, or 3-methyl-His; A.sup.3 is the D- or L-isomer selected from Nal, Trp, Phe, and p-X-Phe, where X is F, Cl, Br, NO.sub.2, OH or CH.sub.3 ; A.sup.4 is Ala, Val, Leu, Ile, Nle, or .alpha.-aminobutyric acid; A.sup.5 is Val, Ala, Leu, Ile, Nle, Thr, or .alpha.-aminobutyric acid; A.sup.6 is Gly, Sar, .beta.-Ala, or the D-isomer selected from Ala, N-methyl-Ala, Trp, and Nal; A.sup.7 is His, 1-methyl-His, 3-methyl-His, Lys, or .epsilon.-alkyl-Lys; A.sup.8 is Leu, Ile, Val, Nle, .alpha.-aminobutyric acid, Trp, Pro, Nal, Chx-Ala, Phe, or p-X-Phe, where X is F, Cl, Br, NO.sub.2, OH or CH.sub.3 ; A.sup.9 is Met, Met-oxide, Leu, Ile, Nle, .alpha.-aminobutyric acid, or Cys; each R.sub.1 and R.sub.2, independently, is H, C.sub.1-12 alkyl, C.sub.7-10 phenylalkyl, or COE.sub.1, where E.sub.1 is C.sub.1-20 alkyl, C.sub.

Abstract: A linear peptide which is an analog of a naturally occurring, biologically active peptide having an active site and a binding site responsible for the binding of the peptide to a receptor on a target cell, cleavage of a peptide bond in the active site to the naturally occurring peptide being unnecessary for in vivo biological activity, the analog having a non-peptide bond instead of a peptide bond between an amino acid of the active site and an adjacent amino acid, and having the same binding site as the naturally occurring peptide, so that the analog is capable of acting as a competitive inhibitor of the naturally occurring peptide by binding to the receptor and, by virtue of the non-peptide bond, failing to exhibit the in vivo activity of the naturally occurring peptide.

Abstract: A method of treating cancer in a human patient, the method involving administering to the patient a cancer cell inhibiting amount of an analog of a naturally occurring biologically active peptide or a fragment thereof, the peptide being one of mammalian gastrin-releasing peptide, neuromedin B, neuromedin C, amphibian bombesin, or litorin.

Abstract: A cyclic octapeptide of the formula: ##STR1## wherein: A.sup.1 is D-Nal or D-Trp;A.sup.3 is Phe, F.sub.5 -Phe, or X-Phe wherein X is a halogen, NO.sub.2, CH.sub.3, or OH;A.sup.5 is --NH--CH(Y)--CO-- wherein Y is (CH.sub.2).sub.m --R.sub.4 --N(R.sub.5)(R.sub.6) or (CH.sub.2).sub.n --R.sub.4 --NH--C(R.sub.7)--N(R.sub.5) (R.sub.6);A.sup.6 is the D-- or L-- isomer of Thr, Leu, Ile, Nle, Val, and Abu;A.sup.8 is Nal or Trp;m is 1, 2, or 3;n is 1, 2, 3, 4 or 5;each of R.sub.1 and R.sub.2, independently, is H, E, COE, or COOE wherein E is C.sub.1-12 alkyl, C.sub.2-12 alkenyl, C.sub.2-12 alkynyl, phenyl, naphthyl, C.sub.7-12 phenylalkyl or alkylphenyl, C.sub.8-12 phenylalkenyl or alkenylphenyl, C.sub.8-12 phenylalkynyl or alkynylphenyl, C.sub.11-20 naphthylalkyl or alkylnaphthyl, C.sub.12-20 naphthylalkenyl or alkenylnaphthyl, or C.sub.12-20 naphthylalkynyl or alkynylnaphthyl, provided that when one of R.sub.1 or R.sub.2 is COE or COOE, the other must be H;R.sub.4 is C.sub.6 H.sub.4 or absent;R.sub.7 is .dbd.NR.sub.

Abstract: Peptide derivatives containing one or more substituents separately linked by an amide, amino or sulfonamide bond to an amino group on either the N-terminal end or side chain of a biologically active peptide moiety. The peptide derivatives have relatively enhanced biological activity when compared to the corresponding peptide alone.

Abstract: A method for inhibiting in a mammal the accelerated growth of a solid primary or metastatic tumor resulting from tissue trauma caused surgically, non-surgically, or by tissue ulceration, which method comprises the step of administering to the mammal a therapeutically effective amount of somatostatin or a somatostatin agonist.

Abstract: A method of selectively inhibiting biochemical activity of cells induced by neuromedin B. The method includes the step of contacting cells which contain neuromedin B receptor with a cyclic octapeptide, D-Nal-Cys-Tyr-D-Trp-Lys-Val-Cys-Nal-NH.sub.2, or an analog thereof.

Abstract: A method for treating liver cancer in a mammalian subject. The method includes administering to the subject a composition which contains a therapeutically effective amount of an octapeptide of the following formula: ##STR1## wherein, A.sub.1 is D-.beta.-Nal or D-Phe; A.sub.2 is Phe, pentafluro-Phe, or p-substituted X-Phe where X is a halogen, NH.sub.2, NO.sub.2, OH, or C.sub.1-3 alkyl; A.sub.3 is Thr, Ser, Phe, Val, .varies.-aminobutyric acid, or Ile; A.sub.4 is Thr, .beta.-Nal, or Trp; and Y is NH.sub.2 or OH; or a pharmaceutically acceptable salt or complex thereof.

Abstract: A method of treating cancer in a human patient, the method involving administering to the patient a cancer cell inhibiting amount of an analog of a naturally occurring biologically active peptide or a fragment thereof, the peptide being one of mammalian gastrin-releasing peptide, neuromedin B, neuromedin C, amphibian bombesin, or litorin.

Abstract: Peripheral benzodiazepines (BZDs) are useful in treating disorders caused by abnormal level of peripheral benzodiazepene receptor activity and having, in one aspect, the formula: ##STR1## wherein each X, X.sub.1, X.sub.2, X.sub.3, X.sub.4, X.sub.5, X.sub.6, and X.sub.8, independently, is hydrogen, halogen (F, Cl, Br, I), C.sub.1 -C.sub.4 straight or branched alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, hydroxy, nitro, cyano, amino, or trifluoromethyl; R.sub.1 =H, C.sub.1 -C.sub.4 alkyl, cyclo C.sub.3 -C.sub.5 alkyl, C.sub.1 -C.sub.4 alkenyl, CH.sub.2 --CO.sub.2 H, or CH.sub.3 --C.dbd.O; R.sub.2 =a member of the group of the formula (Ia) ##STR2## wherein each R.sub.3, R.sub.4, R.sub.8, R.sub.9, R.sub.10 and R.sub.11, independently, can be any of the groups listed as possibilities for X.sub.1 -X.sub.8, and can be attached at any available ring carbon atom, said R.sub.2 group being bonded to (CH.sub.

Abstract: A linear (i.e., non-cyclic) analog of biologically active amphibian bombesin, mammalian gastrin-releasing peptide (GRP), or mammalian growth hormone releasing factor (GRF), having an active site and a binding site responsible for the binding of the peptide to a receptor on a target cell. Cleavage of a peptide bond in the active site of naturally occurring bombesin, GRP, or GRF is unnecessary for in vivo biological activity. The analog has one of the following modifications: (a) a deletion of an amino acid residue within the active site and a modification of an amino acid residue outside of the active site, (b) a replacement of two amino acid residues within the active site with a synthetic amino acid, a .beta.-amino acid, or a .gamma.-amino acid residue, or (c) a non-peptide bond instead of a peptide bond between an amino acid residue of the active site and an adjacent amino acid residue.

Abstract: A method for promoting regrowth of damaged nerve tissue in a mammal, the method comprising administering to the mammal a nerve tissue regrowth promoting amount of an LHRH antagonist namely, N-Acetyl -D-Naphthylalanine-D-para-Cl-Phe-D-Phe-Ser-Tyr-D-Arg-Phe-Arg-Pro-D-Ala-NH. sub.2.

Abstract: A method of treating a mammal suffering from cancer by administering to the mammal somatostatin or an analog thereof, the analog being a hexapeptide analog or higher, in a dosage of at least 25 .mu.g/kg/day.

Abstract: In general, the invention features compounds having the formula: ##STR1## or a pharmaceutically acceptable salt thereof, wherein AR is an indolyl, quinolyl, naphthyl or a mono- or di- R.sup.1 substituted naphthyl in which R.sup.1 is, independently, an alkyl group having 1-5, inclusive, carbon atoms, an alkoxy group having 1-5, inclusive, carbon atoms, a halogen, amino, hydroxy, nitro, cyano, carboxyl, trifluoromethyl, ethyl carboxylate, or a hydrogen; m is an integer between 0 and 2, inclusive; and A is either ##STR2## where n is an integer between 1 and 5, inclusive, and R.sup.