Identification of CJC1295, a growthhormonereleasing peptide, in an unknown pharmaceutical preparation Henninge 2010 Drug Testing and Analysis Wiley Online Library Therapeutic Peptides in Aesthetic, Metabolic and Endocrine Conditions: Effects, Safety, Clinical Applications, and Future Perspectives Ipamorelin and CJC 1295 are almost always discussed together in research circles, and the reason comes down to receptor pharmacology. The two peptides work through entirely different but complementary mechanisms that produce a CJC 1295 and Growth Hormone Signaling Pathways Explained Prolonged Stimulation of Growth Hormone (GH) and Insulin Like Growth Factor I Secretion by CJC 1295, a Long Acting Analog of GH Sermorelin vs. Other Peptides: What Is the Difference?