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Lilly’s Tirzepatide Exceptional Weight Loss Results

Tirzepatide Weight Loss

tirzepatide weight loss winner vs wegovy

The latest preliminary results of the “SURMOUNT” clinical trial that evaluated the role of Tirzepatide for weight loss in obese and overweight individuals presented by Lilly are astonishing.

Participants in the Tirzepatide group lost significant weight of up to 24 kgs (52 lbs) after 72 weeks of the phase 3 study.

Wegovy Weight Loss Before and After Pictures with Reviews

Drugs that target one of the most important incretin hormones, GLP-1, are already being used for diabetes and weight loss.

Until now, Semaglutide, a GLP-1 analog is regarded as one of the most effective weight loss medicine. In fact, the weight loss results of Semaglutide, Wegovy, have been so dramatic that some researchers compared its effects to bariatric surgeries.

Wegovy Comparison with Other Weight Loss Drugs

Semaglutide (Wegovy and Ozempic) has been associated with an average weight loss of about 16% from the baseline.

Before Semaglutide, most weight loss drugs resulted in a weight loss of about 12%. Hence, people started switching to Semaglutide (Wegovy) because of its superior weight loss and glycemic results.

GLP-1 vs GIP: The two most common Incretin Hormones

Tirzepatide, unlike Semaglutide, is a dual GLP-1 (Glucagon-like peptide) and GIP (Glucose-dependent insulinotropic peptide) agonist. Both GLP-1 and GIP are incretin hormones. Both these hormones make up 90% of the endogenous incretins.

The effects of GLP-1 are summarized here:

  • GLP-1 regulates appetite and gut motility
  • It regulates glucose and lipid metabolism in the body
  • It has a central appetite suppressing effects
  • It enhances insulin sensitivity

Wegovy MOA (Mechanism of action of Semaglutide)

The effects of GIP are summarized here:

  • GIP is considered a glucagonotropic hormone when the blood glucose is low. Hence, in states of hypoglycemia, it increases blood glucose levels.
  • It potentiates the central appetite-suppressing effects of GLP-1
  • Plenty of GIP receptors is present in the adipose tissues. Thus, GIP activation in fat cells enhances insulin sensitivity and improves post-meal hyperglycemia.
  • GIP activation prevents ectopic fat deposition

One can clearly expect better weight loss results with dual GLP-1 and GIP agonists such as Tirzepatide compared to GLP-1 analog alone.

Tirzepatide Vs Trulicity (Mounjaro Vs Dulaglutide)

Tirzepatide Vs Semaglutide (Wegovy): Which drug is associated with the greatest weight loss?

tirzepatide vs Wegovy Semaglutide weight loss

Tirzepatide, as per the investigators of the clinical trial, is a true paradigm change in the treatment of diabetes and obesity.

In 2021, the SURPASS Trial clearly demonstrated the superior blood-glucose-lowering and weight loss effects of Tirzepatide.

Tirzepatide vs Semaglutide: Glycemic and Weight loss Comparison

The recent SURMOUNT Trial potentiated the evidence supporting the superior weight loss effects of Tirzepatide [Ref].

This trial evaluated the role of Tirzepatide in obese or overweight individuals who had at least one weight-related comorbid condition.

More than 2500 individuals participated in the study. Over a period of 72 weeks, individuals either received a placebo medicine or Tirzepatide.

Wegovy (Semaglutide): Full FDA Prescribing Information

Tirzepatide was given in a dose of 2.5 mg once weekly for four weeks. The dose was then titrated upwards at four weeks intervals to the recommended doses of 5 mg, 10 mg, and 15 mg weekly.

The maximum weight loss was documented with 15 mg of Tirzepatide. Participants in the 15 mg dose lost 22.5% of their baseline body weight equivalent to 24 kgs (52 lbs).

The preliminary results of the SURMOUNT Trial are summarized below:

Percent Weight Loss Weight Loss in Kgs Weight Loss in Pounds
Tirzepatide 5 mg 16 16 35
Tirzepatide 10 mg 21.4 22 49
Tirzepatide 15 mg 22.5 24 52
Placebo 2.4 2 5

The following chart summarizes Tirzepatide Weight Loss results of the SURMOUNT Trial:

tirzepatide weight loss results in the SURMOUNT Trial

The percentage of Tirzepatide weight loss, Weight Loss in Kgs and Pounds are shown in the chart and compared with a placebo.

Almost all participants, with some exceptions, lost 5% of their baseline body weight compared to only 28% in the placebo group.

Percentage of patients in the clinical trial who had at least 5% weight loss from the baseline:

% Patients who had at least 5% Weight Loss

Placebo

28%

Tirzepatide 5 mg

89%

Tirzepatide 10 mg

96%

Tirzepatide 15 mg

96%

The following chart shows the Tirzepatide weight loss results as tabulated in the table above:

5% weight loss with Tirzepatide
5% or more weight loss occurred in more than 90% of the participants in the Tirzepatide group, especially those who received the 10 and 15 mg doses.

One-fifth or 20% of the body weight loss was seen in more than half of the individuals who were on 10 mg and 15 mg Tirzepatide doses.

Percentage of patients who had at least 20% body weight loss:

% Patients who had at least 20% Weight Loss
Placebo 1.3%
Tirzepatide 10 mg 55%
Tirzepatide 15 mg 63%

The following chart demonstrates the percentage of participants who achieved at least 20% weight loss using Tirzepatide compared with placebo medicine.

20% weight loss with Tirzepatide
The percentage of participants who had at least 20% weight loss with Tirzepatide compared to placebo.

Common Side effects of Tirzepatide:

Tirzepatide was very well tolerated. Like the GLP-1 analogs, most side effects were related to the gastrointestinal tract.

Nausea, vomiting, diarrhea, and constipation were observed in a significantly higher number of patients compared to placebo.

Safety of Tirzepatide (Side effects of Tirzepatide):

Nausea Diarrhea Vomiting Constipation
Placebo 9.5 7.3 1.7 5.8
Tirzepatide 5 mg 24.6 18.7 8.3 16.8
Tirzepatide 10 mg 33.3 21.2 10.7 17.1
Tirzepatide 15 mg 31 23 12.2 11.7

The results of the above table are summarized in the chart below:

side effects of Tirzepatide
The percentage of participants who developed gastrointestinal side effects compared to placebo in the SURMOUNT clinical trial.

In contrast to Tirzepatide, Wegovy, a high dose of Semaglutide, has been associated with a maximum weight loss of about 16% from the baseline.

In real-life patients, greater weight loss was seen in patients who were using Wegovy compared to those in the clinical trials.

Ozempic Weight Loss Reviews by Real Patients @ Reddit

Semaglutide (Wegovy)

Tirzepatide

16% Weight Loss 👌

22.5% Weight Loss 💪

However, comparing SURMOUNT and the STEPS Clinical Trials that evaluated Tirzepatide and Semaglutide respectively, Tirzepatide has achieved significantly better weight loss results compared to Semaglutide.

What is Wegovy, Rybelsus, and Ozempic? Efficacy in DM and Obesity

What do you think?

Written by Diabetes Doctor

I am an Internist practicing medicine for the last fifteen years. Over the years, I have learned that medicine is not about prescribing pills. True medical practice is helping people.
I do prescribe pills as well but the best results I get are when I motivate people to overcome their problems with little changes in their lifestyles.
Since most of my patients are obese, have diabetes, hypertension, high cholesterol levels, I am writing at dibesity.com when free.
Dibesity, I know the correct word is diabesity. Ignore this! Be with us.

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