The studies of main peptide-based vaccines such as E75, GP2, AE37, P3, P4, P5, P7, P13, P14, P15, MUC1-KLH conjugate plus QS-21, MFP, and L-BLP25 have been used on phase III, phase II, phase I/II and phase I clinical trials
Figure 1 3 Discussion GLP-1 RAs may provide therapeutic benefits for managing obesity in PWS through several mechanisms
One small study found no increased risk of major birth defects or miscarriage among women who took GLP-1 RAs during their first trimester

Side Effects & Safety Typical first-cycle side effects: Weeks 1-2: mild water retention, vivid dreams, light head/warmth after injection Weeks 3-4: occasional joint stiffness, improved sleep quality, slight appetite increase overnight Weeks 5-8: adaptation phase most side effects fade, body composition changes visible Clinical discontinuation signals (trial-reported): Clinical participants in tesamorelin studies were discontinued upon experiencing: Persistent headaches with visual changes (intracranial pressure marker in trial monitoring protocols) Sustained fasting glucose elevation of ~15 mg/dL above baseline Unusual peripheral swelling persisting beyond weeks 1-2 Carpal tunnel symptoms unresponsive to dose titration in community-reported protocols Tesamorelin has been studied at 2mg/day for 6+ months without notable safety signals at therapeutic doses

CPT code 90471 applies whenever a provider administers one or more injectable vaccines and counseling-based pediatric coding does not apply