FDA record · Obesity and weight management
Mounjaro (tirzepatide)
What FDA's own documents say about Mounjaro: what it is approved for, the trials FDA reviewed, the results it reported and the risks on the label.
- Sponsor
- Eli Lilly and Co.
- First approved
- May 13, 2022
- Status
- Approved
- Read from
- 34 FDA documents, 1,692 pages
What it is approved for
“MOUNJARO® is a glucose-dependent insulinotropic polypeptide (GIP) receptor and glucagon-like peptide-1 (GLP-1) receptor agonist indicated as an adjunct to diet and exercise to improve glycemic control in adults and pediatric patients 10 years of age and older with type 2 diabetes mellitus.”
Prescribing information, supplement 052 · PDF p. 1 · fda.gov ↗
Trials FDA reviewed
Mentions: how many sentences across the FDA documents name the trial. NCT ids are read from the documents or, where they give none, matched on ClinicalTrials.gov by the trial's name or protocol code.
Results FDA reported
Sentences from FDA's reviews that give an endpoint's p-value, effect or confidence interval, those reporting a treatment effect first.
SURPASS-2 · HbA1c
“Except for a modest reduction in HbA1c reported in trial GPGL for subjects randomized to the tirzepatide 5 mg arm compared to the semaglutide 1 mg arm (comparator-subtracted reduction of -0.2%, 95% CI: -0.3, -0.0), the improvements in glycemic control for each tirzepatide dose arm were considered cl”
Clinical (Medical) Review · PDF p. 20 · fda.gov ↗
reduction of -0.295%
HbA1c
“Based on the Agency analysis of the primary efficacy endpoint (i.e., mean change in HbA1c from baseline to endpoint, treatmenteffect estimand), all three tirzepatide doses resulted in robust, statistically significant (all p<0.05 for superiority) reductions in HbA1c concentrations compared to the co”
Clinical (Medical) Review · PDF p. 108 · fda.gov ↗
p<0.05
BMI
“The interaction of dose with baseline pulse was nominally statistically significant for overall AS2 and non-Japan subgroups (p< 0.001 in both cases), and the interaction of BMI with dose was nominally statistically significant (p-value=0.047) for the Japan subgroup.”
Clinical (Medical) Review · PDF p. 158 · fda.gov ↗
p-value=0.047
body weights
“GLP-1 RA (i.e., dulaglutide), increases in pulse rate at Week 26 were less in Japanese subjects with lower (<70kg) vs. higher (270 kg) body weights (-0.92 bpm, 95% CI: -1.84, -0.00; p=0.05).19°”
Clinical (Medical) Review · PDF p. 157 · read by OCR · fda.gov ↗
95%p=0.05
Safety
Most common adverse reactions
“The most common adverse reactions, reported in >=5% of patients treated with MOUNJARO are nausea, diarrhea, decreased appetite, vomiting, constipation, dyspepsia, and abdominal pain.”
Prescribing information, supplement 052 · PDF p. 1 · fda.gov ↗
Adverse events the documents discuss most
- thyroid C-cell tumors 541 mentions
- anti-drug antibodies 466 mentions
- hypersensitivity 460 mentions
- hypoglycemia 403 mentions
- acute pancreatitis 375 mentions
- gallbladder disease 276 mentions
- diabetic retinopathy complications 274 mentions
- gastrointestinal adverse reactions 218 mentions
Dosing on the label
“Recommended Dosage: See prescribing information.”
Prescribing information, supplement 052 · PDF p. 40 · fda.gov ↗
FDA documents read
Checked against FDA's copies on September 29, 2026. The sha256 is the fingerprint of the file that was read: download it from fda.gov and compare. Quotes come from the text of each file as read; pages FDA stored as images were read by OCR and are marked.
Generated automatically (auto): the trials, names and dates are drafted from the documents by rules, with no language model; see the method.
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