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Weight Loss & Diabetes Management: GLP-1 Medications and Clinical Trials
Ask the Experts
GLP-1 Medications | Questions and Answers
Our recent online session, Weight Loss and Diabetes Management: GLP-1 Medications revealed many questions from our attendees. We've compiled a list of the most common questions, along with answers from our experts.
How GLP-1 and GIP Medications Work
GLP-1 and GIP are hormones naturally made by the body that help regulate blood sugar, appetite, and energy balance.
GLP-1 is made in the gut and helps:
- Trigger insulin release
- Lower glucagon levels (which raise blood sugar)
- Slow digestion
- Increase feelings of fullness
GIP is made in the small intestine and helps:
- Stimulate insulin release after eating
- Regulate blood sugar and energy
- Influence appetite and fat storage
These medications mimic the actions of the body’s natural GLP-1 and/or GIP hormones.
Benefits of GLP-1 and GIP Medications
These medications may help people with:
- Type 2 diabetes
- Overweight or obesity
- Heart or metabolic risk factors
They may help the body:
- Produce more insulin when needed
- Lower blood sugar
- Feel full faster and longer
- Lose weight in some cases
Types of GLP-1 Medications
Single Agonists:
These mimic only GLP-1 activity.
Example: Ozempic.
Dual Agonists:
These mimic both GLP-1 and GIP activity.
Example: Mounjaro.
Triple Agonists:
These target GLP-1, GIP, and glucagon pathways. They are still being studied and are not yet FDA-approved.
Side Effects and Safety
Because these medications affect the digestive system, common side effects include:
- Nausea
- Diarrhea
- Vomiting
- Constipation
Yes. Consistent meal choices and healthy lifestyle habits may help reduce side effects.
Some people may experience:
- Injection site reactions
- Headache
- Dizziness
- Fatigue
Serious side effects are rare but may include:
- Allergic reactions
- Pancreatitis (inflammation of the pancreas)
- Risk to unborn babies
- Low blood sugar, especially when combined with insulin or other diabetes medications
Yes. Overall, they are considered well tolerated for most people.
Lifestyle Recommendations While Taking GLP-1 Medications
A balanced diet rich in:
- Vegetables
- Fruits
- Lean protein
- Whole grains
These medications can reduce thirst along with appetite. Dehydration may worsen side effects such as:
- Fatigue
- Headaches
- Digestive issues
Muscle loss can occur during weight loss. Higher protein intake may help preserve muscle mass.
Slow-digesting, high-fiber carbohydrates may help stabilize blood sugar levels and reduce spikes.
Yes. Physical activity supports:
- Strength maintenance
- Muscle preservation
- Weight loss
Managing stress may help reduce cravings and support healthy behaviors.
Adequate sleep supports:
- Healthy metabolism
- Energy levels
- Overall wellness
Weight stigma and emotional challenges can affect long-term success. Mental health support and coping tools can be beneficial.
Research on GLP-1 Medications
Past Research
The earliest clinical trials focused on treating diabetes.
Researchers later observed significant weight loss effects during diabetes studies.
Research has shown potential reductions in:
- Serious heart problems by 14%
- Death from any cause by 12%
- Hospitalization for heart failure by 14%
- Serious kidney problems by 17%
Current Research
Current studies are exploring:
- Improved dosing strategies
- Long-term risks and benefits of multi-year use
Future Research
Researchers are studying:
- Triple agonist medications
- Whether oral pills are as effective as injections
Clinical Trials
Participants typically receive:
- A health screening
- No-cost participation
- Medical support throughout the study
Yes. Participation is voluntary, and people may stop participating whenever they choose.
Assignment is random and determined by study protocols overseen by federal regulators. In double-blind studies, neither participants nor doctors know who receives the placebo or the active medication.
Participants may receive reimbursement for:
- Time
- Travel
- Other inconveniences
The compensation is not intended to pressure or incentivize participation.
Frequently Asked Questions
Studies suggest many people regain some of the weight after stopping treatment. Long-term success is more likely when healthy eating and lifestyle habits are maintained after discontinuation.
No.
It can cause side effects for some people, but these are often manageable with proper medical guidance and lifestyle adjustments.
Yes, under proper clinical supervision.
Yes. Many people with PCOS experience significant weight-loss benefits while taking these medications.
CONTRIBUTING EXPERTS
Dr. Rupal Mathur, MD, DABOM, CISSN
Dr. Mathur is double board certified in obesity medicine and internal medicine and is also a founder of Lifelong Weight Loss and a nutrition consultant for the Houston Rockets. She's known for her clinical expertise, compassionate care, and passion for helping patients achieve lasting health.
Dr. Sudhir Bansal, MD, FACE
Dr. Sudhir Bansal is a board certified diabetes and metabolism endocrinologist with more than 56 years of experience. He’s also a Care Access Principal Investigator. Dr. Bansal graduated from Maulana Azad Institute Of Medical Sciences and is affiliated with South County Hospital, The Miriam Hospital and Kent County Memorial Hospital.
Heather Fagnant, RDN
Heather Fagnant is a Registered Dietitian with Care Access and has more than a decade of experience with nutrition and research. Her work focuses on helping people improve their health using science-based strategies.
Advisor
Tyler Miller, MD, PhD
Assistant Professor, Case Western Reserve University | Advisor, Care Access
Dr. Miller is the Paul and Betsy Shiverick Professor of Immuno-Oncology at Case Western Reserve University. As a physician-scientist, he applies his expertise in molecular pathology, biology, genomics, and technology development to advance treatments for patients.
DISCLAIMER
The information provided on Care Access is intended for informational purposes only and should not be considered as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding a medical condition. Our products and content are not intended to diagnose, treat, cure, or prevent any disease.
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