Documentation Requirements Before Prescribing GLP-1 Receptor Agonists
Before prescribing any GLP-1 receptor agonist, you must document personal and family history of medullary thyroid carcinoma (MTC) or Multiple Endocrine Neoplasia syndrome type 2 (MEN2), history of pancreatitis, hypersensitivity reactions to GLP-1 agents, renal function (eGFR), pregnancy/breastfeeding status, and current medications that may interact (insulin, sulfonylureas, oral contraceptives). 1, 2, 3, 4
Absolute Contraindications to Document
Thyroid Cancer History
- Personal history of medullary thyroid carcinoma (MTC) - this is an absolute contraindication to all GLP-1 receptor agonists 2, 3, 4
- Family history of MTC - document first-degree relatives with MTC, as this also represents an absolute contraindication 2, 3, 4
- Multiple Endocrine Neoplasia syndrome type 2 (MEN2) - personal or family history is an absolute contraindication 1, 2, 3, 4
- Note that other types of thyroid cancer (papillary, follicular) in family members do NOT contraindicate GLP-1 use 2
Hypersensitivity History
- Prior serious hypersensitivity reaction to the specific GLP-1 agent being considered (angioedema, anaphylaxis, severe rash) 3, 4
- Document symptoms if present: swelling of face/lips/tongue/throat, breathing problems, severe rash, fainting, rapid heartbeat 4
Pregnancy and Breastfeeding Status
- Current pregnancy or plans to become pregnant - absolute contraindication 1, 3, 4
- Breastfeeding status - contraindication as it is unknown if GLP-1 agents pass into breast milk 1, 4
Agent-Specific Renal Contraindications
Document eGFR and Apply These Thresholds:
- Exenatide: Contraindicated if eGFR <30 mL/min/1.73 m² or on dialysis; use with caution if eGFR 30-45 mL/min/1.73 m² 5, 3
- Lixisenatide: Contraindicated if eGFR <30 mL/min/1.73 m²; not recommended if eGFR <15 mL/min/1.73 m² 5, 3
- Liraglutide, dulaglutide, semaglutide: No dose adjustment required at any eGFR level, can be used even with eGFR <20 mL/min/1.73 m² 5, 3
Critical Medical History to Document
Pancreatitis History
- Prior acute pancreatitis - document dates, severity, and etiology 1, 4, 6
- Chronic pancreatitis - GLP-1 agents have not been studied in these patients and are not recommended 6
- Document if patient has active or suspected pancreatitis, as this is a contraindication 6
Gastrointestinal Conditions
- Gastroparesis - clinically meaningful gastroparesis is a relative contraindication, as GLP-1 agents delay gastric emptying 1, 3, 4
- Prior gastric surgery including bariatric procedures - requires careful consideration and documentation 1, 3
- Severe gastrointestinal disease or slowed stomach emptying 4
Diabetic Retinopathy
- History of diabetic retinopathy - document presence and severity, as rapid glucose reduction with semaglutide may worsen retinopathy 3
Gallbladder Disease
- History of cholelithiasis or cholecystitis - document as GLP-1 agents increase risk of gallbladder disease 1, 4
Current Medication Documentation
Medications Requiring Dose Adjustment
- Insulin - document current dose, as reduction may be needed to prevent hypoglycemia 1, 3, 4
- Sulfonylureas or glinides - document current dose, as reduction may be needed to prevent hypoglycemia 1, 3, 4
Medications with Absorption Concerns
- Oral contraceptives - document use, as patients may need to switch to non-oral contraception or add barrier method for 4 weeks after initiation and each dose escalation due to delayed gastric emptying 1
- Medications with narrow therapeutic index (e.g., warfarin) - document as delayed gastric emptying may affect absorption 3, 4
Laboratory Values to Document
Baseline Renal Function
- eGFR - essential for agent selection and monitoring 5, 3
- Serum creatinine - baseline value for comparison 4
Baseline Liver Function
- Liver enzymes and bilirubin - document baseline values 4
Baseline Pancreatic Enzymes (if indicated)
- Lipase and amylase - consider baseline values if patient has risk factors for pancreatitis 4
Baseline Calcitonin (controversial)
- Serum calcitonin - while not universally recommended, document if obtained, particularly if >20 ng/L 4
Cardiovascular and Metabolic Parameters
Blood Pressure
- Baseline blood pressure - document as GLP-1 agents may reduce blood pressure 5
Heart Rate
- Baseline heart rate - document as GLP-1 agents typically increase heart rate by 2-5 beats per minute 3, 4
Lipid Profile
- Baseline cholesterol and triglycerides - document as GLP-1 agents improve lipid profiles 1
Glycemic Control
- HbA1c - document baseline value for efficacy monitoring 5
- Current glucose-lowering regimen - document all diabetes medications 4
Documentation for Monitoring Plan
Schedule for Follow-up
- Document plan to assess efficacy and safety at least monthly for first 3 months, then quarterly 1
- Document plan to monitor renal function, especially with severe GI symptoms 1, 4
- Document plan to monitor for signs of gallbladder disease 1, 4
- Document plan to monitor for pancreatitis symptoms 1, 4
Patient Education Documentation
- Document discussion of gastrointestinal side effects and slow dose titration strategy 1, 3, 4
- Document discussion of thyroid tumor risk (FDA black box warning) 1, 4
- Document discussion of symptoms requiring immediate medical attention (severe abdominal pain, persistent vomiting, neck swelling) 4
- Document proper administration instructions, particularly for oral semaglutide (take with ≤4 oz water on empty stomach, wait 30 minutes before eating/drinking/other medications) 6
Common Pitfalls to Avoid
- Do not confuse non-MTC thyroid cancers with MTC - only MTC and MEN2 are contraindications 2
- Do not unnecessarily avoid GLP-1 agents in moderate renal impairment - liraglutide, dulaglutide, and semaglutide require no dose adjustment 5, 3
- Do not forget to document concomitant insulin/sulfonylurea doses - these will likely need reduction 1, 3
- Do not overlook oral contraceptive users - they need specific counseling about potential reduced efficacy 1