GZR4 Injection vs Insulin Degludec
- For adults aged 18-75 years old
- Diagnosed with T2DM for at least 6 months
- Sponsored by Gan and Lee Pharmaceuticals

Join a clinical research study evaluating the safety and efficacy of a once-weekly injection compared to daily insulin for adults with Type 2 Diabetes.
This clinical trial evaluates the efficacy, safety, and tolerability of once-weekly GZR4 Injection compared to once-daily insulin degludec. It is designed for patients with type 2 diabetes mellitus (T2DM) whose condition is inadequately controlled on oral antidiabetic drug (OAD) therapy, or OAD therapy combined with basal insulin.
Our clinical team will review your medical history and current HbA1c levels to ensure this study is a safe fit for you.
Participants will be randomized to receive either the investigational once-weekly injection or the standard once-daily insulin.
Receive regular check-ups, blood glucose monitoring, and dedicated medical care throughout the trial duration at no cost.
Review the guidelines below to see if this Type 2 Diabetes study might be a good fit for your health journey.
Take our quick eligibility quiz to find out if you can move forward.

Take up this questionnaire to help us determine if you have symptoms that are common to this clinical study. If you have the common symptoms, you may be eligible to take part in the study.
By participating in this type 2 diabetes research study, you will receive all study-related care and monitoring at no cost to you or your insurance.
Receive the investigational GZR4 injection or the standard once-daily insulin degludec at no cost during your trial participation.
Undergo regular health check-ups, medical exams, and comprehensive diabetes monitoring throughout the duration of the study.
Gain direct access to a dedicated team of study doctors and medical professionals who specialize in type 2 diabetes management.
Play a vital role in advancing medical science and helping evaluate potential new treatment options for patients with type 2 diabetes.
Study Sponsored By

Gan and Lee Pharmaceuticals, USA
We understand you may have questions about participating in the GZR4 Injection study. We are committed to providing clear, transparent answers to help you make an informed decision.
A clinical trial is a carefully designed research study that explores whether a medical strategy or treatment is safe and effective. Safety is our highest priority. This study follows strict scientific protocols approved by an independent review board, and your health will be closely monitored by dedicated medical professionals throughout your participation.
The exact duration depends on the specific study phases, which typically include a screening period, a treatment period, and follow-up visits. Our study team will provide you with a comprehensive timeline and schedule during your initial consultation, before you agree to participate.
As with any medical treatment, there may be risks. Potential side effects of the investigational medication (GZR4 Injection) or the comparator (Insulin Degludec) will be thoroughly explained to you in the Informed Consent Form. You will have ample time to discuss these with the study doctor before deciding to join.
Yes, your privacy is strictly protected by law. Any medical data collected during the study is anonymized, meaning your personal identifying information (like your name and address) is removed before it is shared with researchers, the sponsor (Gan and Lee Pharmaceuticals), or regulatory agencies.
Absolutely. Your participation is entirely voluntary. You have the right to withdraw from the study at any time, for any reason, without any penalty or loss of benefits to your standard medical care.
This specific study compares GZR4 Injection to Insulin Degludec. There is no placebo group in this trial; all participants will receive an active medication to help manage their Type 2 Diabetes. The study team will explain the randomization process during your screening visit.
Once your participation concludes, you will return to the care of your regular primary care physician or endocrinologist. The study team will discuss any necessary follow-up care and provide information on how you can access the overall results of the research once they are published.