Tirzepatide

Also known as: Mounjaro · Zepbound · LY3298176

FDA-approved

Last verified: October 30, 2026

At a glance

FDA approval FDA-approved 2 applications
Randomized controlled trials 137 of 2,748 publications on PubMed
Registered clinical trials 312 208 active
Adverse event reports 160,934 28,681 classified as serious
  • Tirzepatide is an FDA-approved drug, marketed as Mounjaro, Zepbound (first approval: May 13, 2022).
  • PubMed lists 2,748 publications mentioning it, including 137 randomized controlled trials and 78 animal-only studies.
  • ClinicalTrials.gov lists 312 registered studies testing it (208 active).
  • FDA's adverse event system (FAERS) holds 160,934 reports mentioning it; 28,681 classified as serious. Reports do not prove causation.

Research topics

  • Glucagon-Like Peptide-1 Receptor Agonists 51
  • Obesity 51
  • Semaglutide 42
  • Diabetes Mellitus, Type 2 34
  • Hypoglycemic Agents 34
  • Glucagon-Like Peptides 30
  • Weight Loss 29
  • Anti-Obesity Agents 21
  • Body Mass Index 11
  • Liraglutide 11

Most frequent MeSH subject headings in the latest PubMed records (English, as indexed).

Regulatory status

Drugs@FDA applications

Application Product Status First approval Sponsor
NDA215866 MOUNJARO, MOUNJARO (AUTOINJECTOR), MOUNJARO KWIKPEN Approved, marketed May 13, 2022 ELI LILLY AND CO
NDA217806 ZEPBOUND, ZEPBOUND (AUTOINJECTOR), ZEPBOUND KWIKPEN Approved, marketed November 8, 2023 ELI LILLY AND CO

Source: Drugs@FDA (openFDA) · verified October 30, 2026 · API query

FDA compounding safety list

Not on FDA's list of bulk drug substances that may present significant safety risks in compounding.

Source: FDA.gov — Category 2 bulk drug substances · verified October 30, 2026

Removal of a substance from a regulatory list does not mean it has been approved. A "research use only" label does not make a product safe or legal for human use.

Scientific publications

  • All publications 2,748
  • Human (MeSH) 1,483
  • Animal only 78
  • Clinical trials 148
  • Randomized controlled trials 137
  • Systematic reviews & meta-analyses 224
  • Case reports 166
  • Retracted 1

Counts are PubMed records that mention the peptide in the title or abstract. Categories overlap, and a mention is not the same as testing the peptide as a treatment. Each number opens the exact PubMed search. Effects seen in laboratory or animal studies may not occur in humans. A registered clinical trial does not show that a substance is effective or safe.

Latest publications

Source: PubMed (NCBI) · verified October 30, 2026

Clinical trials

Registered
312
Active
208
With posted results
47

Conditions studied

  • Obesity 114
  • Overweight 36
  • Type 2 Diabetes 26
  • Obesity & Overweight 25
  • Diabetes Mellitus, Type 2 19
  • Type 2 Diabetes Mellitus 11
  • Obesity (Disorder) 9
  • Healthy 9
  • Obesity and Overweight 7
  • Weight Loss 7
  • Obesity and Obesity-related Medical Conditions 6
  • Tirzepatide 5
Study Status Phase Start
Efficacy, Safety, and Treatment Satisfaction of Once-Weekly Tirzepatide in Obese Type 2 Diabetic Patients
NCT07728318 Akhtar Saeed Medical and Dental College
Not yet recruiting N/A December 12, 2027
Tirzepatide for the Treatment of Cannabis Use Disorder
NCT07265752 Brigham and Women's Hospital
Not yet recruiting Phase 2 March 1, 2027
Effects of Tirzepatide on Gut Microbiota and Gastrointestinal Function After Drug Withdrawal in Obese Patients
NCT07847515 Nanjing First Hospital, Nanjing Medical University
Not yet recruiting — February 1, 2027
GLP-1/GIP Receptor Agonists in Obesity-Related HFpEF: The GLIDE-HF Registry
NCT07787936 Miedziowe Centrum Zdrowia SA
Not yet recruiting — January 1, 2027
Preoperative Optimization With Tirzepatide, Ketogenic Diet, or Standard Care Before One Anastomosis Gastric Bypass Surgery
NCT07622992 Mario Musella MD
Not yet recruiting — January 1, 2027
Efficacy of Tirzepatide for Weight Management in Patients With Suboptimal Weight Loss After Bariatric Surgery: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial
NCT07829198 Universidade do Porto
Not yet recruiting Phase 3 Jan 2027
Tirzepatide in Women With Obesity and Endometrial Intra-epithelial Neoplasia or Grade 1 Endometrial Cancer
NCT07078838 UNC Lineberger Comprehensive Cancer Center
Not yet recruiting Phase 2 Jan 2027
A Clinical Study to Evaluate the Effects of Enicepatide Versus Tirzepatide in Participants With Type 2 Diabetes and Inadequate Blood Sugar Control on Oral Glucose-Lowering Medications
NCT07889648 Hoffmann-La Roche
Not yet recruiting Phase 3 December 1, 2026
Tirzepatide for the Treatment of Concurrent Type 1 Diabetes and Overweight or Obesity
NCT06180616 Royal North Shore Hospital
Not yet recruiting Phase 2 Dec 2026
A Study of EloraTZP in Adult Participants With Obesity Without Type 2 Diabetes
NCT07881432 Eli Lilly and Company
Not yet recruiting Phase 3 Dec 2026
Show 40 more studies
Study Status Phase Start
Trial of Tirzepatide for the Treatment of Cannabis Use Disorder
NCT07468552 National Institute on Drug Abuse (NIDA)
Not yet recruiting Phase 2 November 15, 2026
SYNCHRONIZE®-START- A Study to Test Whether Survodutide Helps People Living With Overweight or Obesity Who do Not Have Diabetes to Lose Weight
NCT07855900 Boehringer Ingelheim
Not yet recruiting Phase 3 November 7, 2026
A Study of SYH2069 Injection in Participants With T2DM Not Controlled With Diet/Exercise Alone or Metformin
NCT07796477 CSPC Ouyi Pharmaceutical Co., Ltd.
Not yet recruiting Phase 2 November 6, 2026
Effectiveness of Combined GLP-1/GIP Dual Agonist Therapy and Structured Exercise on Skeletal Muscle Morphology, Quality, and Physical Function in Overweight and Obese Individuals
NCT07609160 Acibadem University
Not yet recruiting N/A November 1, 2026
Tirzepatide and Levonorgestrel IUD Therapy for EIN and Early-Stage Endometrial Cancer
NCT07812636 Milton S. Hershey Medical Center
Not yet recruiting Early phase 1 November 1, 2026
Comparing Different Medication Regimens to Maintaining Weight Loss Among Adults With Obesity Using GLP-1s
NCT07832084 Jing Luo
Not yet recruiting Phase 4 November 1, 2026
Metabolic Surgery for Atrial Fibrillation Elimination
NCT07027969 Ali Aminian
Not yet recruiting Phase 4 November 1, 2026
A Study of Weight Loss Intervention With Tirzepatide and Progestin Intrauterine Device to Treat Endometrial Hyperplasia and Grade 1 Endometrial Cancer
NCT07349641 National Cancer Institute (NCI)
Not yet recruiting Phase 2 November 1, 2026
Dietary, Medication, and Endoscopic Interventions for Post-Bariatric Hypoglycemia
NCT07878494 Stanford University
Not yet recruiting N/A November 1, 2026
Impact of GLP-1 Receptor Agonist Therapy on Alcohol Pharmacokinetics
NCT07758231 University of Wisconsin, Madison
Not yet recruiting Phase 1 Nov 2026
Effectiveness and Safety of Tirzepatide Among Participants With Obesity With or Without Type 2 Diabetes Mellitus (T2DM)
NCT07099742 Dr. Md. Alimur Reza
Not yet recruiting — Nov 2026
A Study of EloraTZP in Adult Participants With Obesity or Overweight and Type 2 Diabetes
NCT07881458 Eli Lilly and Company
Not yet recruiting Phase 3 Nov 2026
Mechanisms of Weight Loss: Tirzepatide vs Semaglutide
NCT07900074 McMaster University
Recruiting Phase 4 October 31, 2026
A Real-world Study of Treatment Retention and Adherence to Secukinumab in Patients With Plaque Psoriasis (PsO) With or Without Glucagon-like Peptide-1 Receptor Agonist (GLP-1 RA) Co-therapy
NCT07881783 Novartis Pharmaceuticals
Not yet recruiting — October 30, 2026
Effects of Tirzepatide on Esophagogastric Junction Mechanics, Reflux Burden, and Gastric Physiology in Adults With Obesity
NCT07893457 Mayo Clinic
Not yet recruiting Phase 4 October 26, 2026
Randomized Controlled Trial of Tirzepatide for Methamphetamine Use Disorder
NCT07825857 University of Texas Southwestern Medical Center
Recruiting Phase 2 October 23, 2026
Impact of Using a GLP1 on Treatment Related Side Effects of Lung Cancer Patients Receiving Lorlatinib
NCT07782359 University of Chicago
Recruiting Phase 1 October 22, 2026
Metabolic Effects of Switching From Injectable Semaglutide to Tirzepatide
NCT07889453 LMC Diabetes & Endocrinology Ltd.
Active, not recruiting — October 15, 2026
PROACT AYA: Preventing Overweight/Obesity-Associated Cardiotoxicity With Tirzepatide In Adolescent And Young Adult Cancer Survivors - A Phase 2 Single-Arm, Single-Center Feasibility Study
NCT07874828 M.D. Anderson Cancer Center
Recruiting Phase 2 October 14, 2026
A Research Study Investigating How Adults With Overweight or Obesity, With or Without Type 2 Diabetes, Tolerate Switching to a New Treatment (Zenagamtide) From Their Current Tirzepatide Medication
NCT07868354 Novo Nordisk A/S
Recruiting Phase 1 October 8, 2026
Resistance Training to Prevent Muscle Loss During Treatment With Tirzepatide
NCT07777575 Technical University of Munich
Recruiting Phase 4 October 7, 2026
Tirzepatide Versus Positive Airway Pressure for the Treatment of Obstructive Sleep Apnoea: A Randomised Comparative Effectiveness Trial
NCT07846865 Woolcock Institute of Medical Research
Not yet recruiting Phase 2, Phase 3 October 1, 2026
Real-World Outcomes of Tirzepatide in Pakistani Adults With Obesity, Prediabetes, and Type 2 Diabetes
NCT07809568 Universiti Sains Malaysia
Not yet recruiting — October 1, 2026
Clinical and Neurobehavioral Changes With Weight Loss Drug Discontinuation and Reinitiation
NCT07387796 The University of Texas at Dallas
Recruiting N/A Oct 2026
Tirzepatide and Organ-specific Biological Aging
NCT07906041 Atria Research and Global Health Institute (ARGHI)
Enrolling by invitation Phase 2 Oct 2026
A Study to Learn About Switching to a Monthly Study Medicine Called Berobenatide (PF-08653944) to Help Keep Weight Off in People With Overweight or Obesity
NCT07845500 Pfizer
Recruiting Phase 3 September 30, 2026
Efficacy, Safety, and Pharmacokinetics of Tirzepatide (LY3298176) Once Weekly Versus Placebo in Pediatric Participants 6 to Less Than 12 Years of Age Who Have Obesity (ADVANCE-SURMOUNT-KIDS)
NCT07817875 Eli Lilly and Company
Recruiting Phase 3 September 25, 2026
NAION in Non-Diabetic Obese Patients Using GLP-1 Receptor Agonists: A Real-World Study
NCT07846956 Istanbul Saglik Bilimleri University
Not yet recruiting — September 21, 2026
Tirzepatide in Thrombectomy-Treated Acute Ischemic Stroke: A Randomized Trial
NCT07734792 yifang zhu
Not yet recruiting Phase 2, Phase 3 September 20, 2026
Tirzepatide for Treatment of CCCA
NCT07734870 Johns Hopkins University
Recruiting Phase 2 September 15, 2026
A Study of Tirzepatide (LY3298176) in Participants With Type 1 Diabetes Mellitus and Overweight or Obesity
NCT07803744 Eli Lilly and Company
Recruiting Phase 1 September 11, 2026
Effect of Tirzepatide on Recurrence of Atrial Fibrillation After Catheter Ablation in Obese Patients
NCT07715929 Yunlong Wang
Not yet recruiting Phase 4 September 1, 2026
Pragmatic Trial to Study the Cost-Effectiveness of MyPhenome-RX Test to Guide Anti-Obesity Pharmacotherapy
NCT07728812 Phenomix Sciences
Not yet recruiting N/A September 1, 2026
Tirzepatide for Ileal Pouch-anal Anastomosis (IPAA) and Chronic High Bowel Frequency (I8F-NS-X008)
NCT07756359 University of North Carolina, Chapel Hill
Not yet recruiting Phase 4 Sep 2026
Dual GIP/GLP-1 Receptor Agonist in Obese Women Before Frozen Embryo Transfer
NCT07811895 RenJi Hospital
Not yet recruiting N/A Sep 2026
GLP-1 Agonists for Lung Function Improvement and Muscle Restoration in COPD
NCT07747805 The Cleveland Clinic
Not yet recruiting Phase 2 August 28, 2026
A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of ASC35 Injection in Participants With Obesity or Overweight
NCT07842640 Ascletis Pharma (China) Co., Limited
Recruiting Phase 1 August 27, 2026
Tirzepatide in Idiopathic Intracranial Hypertension Trial
NCT07191873 Duke University
Recruiting Phase 4 August 25, 2026
An Open-Label Tirzepatide Trial for Comorbid Obesity and Stimulant Use Disorder
NCT07693608 University of Texas Southwestern Medical Center
Active, not recruiting Phase 2 August 19, 2026
Salivary Function and Dental Changes During GLP-1 Therapy
NCT07720466 Bilecik Seyh Edebali Universitesi
Not yet recruiting — August 17, 2026

All 312 studies on ClinicalTrials.gov ↗

Source: ClinicalTrials.gov · verified October 30, 2026

Adverse event reports

Reports
160,934
Serious
28,681
With death outcome
900

Most reported reactions

  • Incorrect dose administered 29,676
  • Nausea 17,120
  • Injection site pain 13,914
  • Diarrhoea 10,033
  • Extra dose administered 9,609
  • Off label use 8,958
  • Vomiting 8,294
  • Drug ineffective 6,977
  • Constipation 6,509
  • Injection site haemorrhage 5,281
  • Injection site erythema 5,218
  • Fatigue 4,790

Adverse event reports do not prove that the substance caused these effects. Side effects not listed here may still occur. Reaction terms are MedDRA terms as reported to FAERS.

Source: FDA FAERS (FAERS data as of July 30, 2026) · verified October 30, 2026 · API query

FDA prescribing information

Official US prescribing information. Dosing sections are intentionally not shown.

Boxed warning Zepbound, ZEPBOUND, Zepbound KwikPen · August 28, 2026
Original FDA text (English) WARNING: RISK OF THYROID C-CELL TUMORS In rats, tirzepatide causes dose-dependent and treatment-duration-dependent thyroid C-cell tumors at clinically relevant exposures. It is unknown whether ZEPBOUND causes thyroid C-cell tumors, including medullary thyroid carcinoma (MTC), in humans as human relevance of tirzepatide-induced rodent thyroid C-cell tumors has not been determined [see Warnings and Precautions ( 5.1 ) and Nonclinical Toxicology ( 13.1 )]. ZEPBOUND is contraindicated in patients with a personal or family history of MTC or in patients with Multiple Endocrine Neoplasia syndrome type 2 (MEN 2) [see Contraindications ( 4 )] . Counsel patients regarding the potential risk for MTC with the use of ZEPBOUND and inform them of symptoms of thyroid tumors (e.g., a mass in the neck, dysphagia, dyspnea, persistent hoarseness). Routine monitoring of serum calcitonin or using thyroid ultrasound is of uncertain value for early detection of MTC in patients treated with ZEPBOUND [see Contraindications ( 4 ) and Warnings and Precautions ( 5.1 )]. WARNING: RISK OF THYROID C-CELL TUMORS See full prescribing information for complete boxed warning. In rats, tirzepatide causes thyroid C-cell tumors. It is unknown whether ZEPBOUND causes thyroid C-cell tumors, including medullary thyroid carcinoma (MTC), in humans as the human relevance of tirzepatide-induced rodent thyroid C-cell tumors has not been determined ( 5.1 , 13.1 ). ZEPBOUND is contraindicated in patients with a personal or family history of MTC or in patients with Multiple Endocrine Neoplasia syndrome type 2 (MEN 2). Counsel patients regarding the potential risk of MTC and symptoms of thyroid tumors ( 4 , 5.1 ).
  • Zepbound, ZEPBOUND, Zepbound KwikPen HUMAN PRESCRIPTION DRUG Eli Lilly and Company August 28, 2026
  • Mounjaro, Mounjaro KwikPen HUMAN PRESCRIPTION DRUG Eli Lilly and Company August 27, 2026
  • MOUNJARO HUMAN PRESCRIPTION DRUG A-S Medication Solutions July 29, 2026
  • MOUNJARO HUMAN PRESCRIPTION DRUG A-S Medication Solutions July 29, 2026
  • MOUNJARO HUMAN PRESCRIPTION DRUG A-S Medication Solutions July 29, 2026
  • MOUNJARO HUMAN PRESCRIPTION DRUG A-S Medication Solutions July 29, 2026
  • MOUNJARO HUMAN PRESCRIPTION DRUG A-S Medication Solutions July 29, 2026
  • MOUNJARO HUMAN PRESCRIPTION DRUG A-S Medication Solutions July 29, 2026

Source: DailyMed / openFDA

Change history

No changes since monitoring began on October 30, 2026.