TRIAL RESULTS · SIDE EFFECTS

Exenatide side effects

ANSWER

In 24 placebo-controlled trials with posted results, the most common side effects of Exenatide were headache 1.9% (placebo 1.3%), Non-cardiac chest pain 1.1% (placebo 1.0%), osteoarthritis 0.9% (placebo 1.0%). Read from ClinicalTrials.gov on 2026-10-03. Not medical advice.

Trial register

Trials with posted results

65

with an arm on Exenatide, of 383 registered

Against placebo

24

placebo-controlled trials

People in those trials

9,989

on Exenatide · 9,478 on placebo

Read

2026-10-03

ClinicalTrials.gov

VS PLACEBO

Most common side effects, Exenatide beside placebo

All 1448 reported events
Headache1.9%1.3%
Non-cardiac chest pain1.1%1.0%
Osteoarthritis0.9%1.0%
Dizziness0.8%0.4%
Constipation0.8%0.3%
Dyspepsia0.8%0.3%
Chronic obstructive pulmonary disease0.7%0.7%
Fatigue0.6%0.1%
Back pain0.5%0.6%
Sinusitis0.5%0.2%

Share of people with each side effect in 24 placebo-controlled trials with posted results: 9,989 people on Exenatide (all doses), 9,478 on placebo, same trials. Listed only when reported for at least half of the people on Exenatide. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

ALL TRIALS

The 100 most reported of 1448 side effects reported

Every trial with posted results and an arm on Exenatide (n ≥ 20), all phases, by people affected. Placebo is shown where placebo-controlled trials reported the same event. Comparator arms are not counted.

Side effectOrgan systemExenatidePlaceboTrials
NauseaGastrointestinal disorders20.6% (1,701 of 8,249)9.1%43
DiarrhoeaGastrointestinal disorders10.3% (737 of 7,124)6.0%28
VomitingGastrointestinal disorders10.0% (736 of 7,371)4.6%38
NasopharyngitisInfections and infestations11.3% (688 of 6,103)6.3%27
HeadacheNervous system disorders4.3% (640 of 14,769)1.3%41
Upper respiratory tract infectionInfections and infestations13.1% (443 of 3,392)6.6%16
ConstipationGastrointestinal disorders2.7% (339 of 12,687)0.3%23
DyspepsiaGastrointestinal disorders2.3% (282 of 12,445)0.3%24
Urinary tract infectionInfections and infestations6.8% (226 of 3,317)5.4%14
Injection site noduleGeneral disorders8.2% (226 of 2,773)3.8%10
Back painMusculoskeletal and connective tissue disorders2.1% (221 of 10,766)0.6%18
SinusitisInfections and infestations2.1% (205 of 9,602)0.2%12
DizzinessNervous system disorders1.8% (203 of 10,980)0.4%20
ArthralgiaMusculoskeletal and connective tissue disorders1.9% (202 of 10,733)0.3%17
Injection site pruritusGeneral disorders8.0% (177 of 2,202)2.0%8
InfluenzaInfections and infestations6.1% (172 of 2,806)3.2%13
Decreased appetiteMetabolism and nutrition disorders5.3% (168 of 3,160)3.1%13
BronchitisInfections and infestations1.6% (163 of 10,411)0.1%13
FatigueGeneral disorders1.5% (147 of 9,552)0.1%12
HypertensionVascular disorders5.2% (138 of 2,643)1.9%9
OsteoarthritisMusculoskeletal and connective tissue disorders1.3% (135 of 10,231)1.0%8
HypoglycemiaMetabolism and nutrition disorders27.0% (132 of 488)16.7%7
Pain in extremityMusculoskeletal and connective tissue disorders1.4% (131 of 9,645)0.3%11
DiarrheaGastrointestinal disorders12.8% (120 of 936)8.9%11
nauseaGastrointestinal disorders50.9% (116 of 228)25.5%4
CoughRespiratory, thoracic and mediastinal disorders1.2% (109 of 9,282)0.3%13
Non-cardiac chest painGeneral disorders1.0% (96 of 9,813)1.0%8
Gastrooesophageal reflux diseaseGastrointestinal disorders1.0% (95 of 9,379)0.1%7
Injection site indurationGeneral disorders10.4% (93 of 893)-2
Gastroenteritis viralInfections and infestations9.5% (86 of 907)2.4%2
Musculoskeletal painMusculoskeletal and connective tissue disorders1.0% (83 of 8,278)0.1%4
Abdominal pain upperGastrointestinal disorders0.9% (81 of 9,335)0.1%11
Abdominal painGastrointestinal disorders0.8% (77 of 9,451)0.1%11
Oedema peripheralGeneral disorders0.8% (73 of 9,189)0.3%6
Lipase increasedInvestigations4.2% (72 of 1,730)3.0%6
Oropharyngeal painRespiratory, thoracic and mediastinal disorders3.7% (71 of 1,912)5.3%9
NephrolithiasisRenal and urinary disorders0.7% (68 of 10,200)0.2%10
FallInjury, poisoning and procedural complications0.7% (67 of 9,731)0.2%7
Injection site erythemaGeneral disorders5.0% (67 of 1,346)2.1%5
Muscle spasmsMusculoskeletal and connective tissue disorders0.7% (63 of 8,825)0.0%6
Injection site bruisingGeneral disorders7.0% (63 of 902)5.1%2
Abdominal discomfortGastrointestinal disorders4.9% (62 of 1,265)5.4%6
HypoglycaemiaMetabolism and nutrition disorders3.3% (61 of 1,860)0.3%8
DepressionPsychiatric disorders0.7% (61 of 8,890)0.2%5
decreased appetiteMetabolism and nutrition disorders31.7% (57 of 180)23.6%2
CataractEye disorders0.6% (56 of 8,789)0.0%5
Injection Site NoduleGeneral disorders10.1% (56 of 556)0.0%2
ContusionInjury, poisoning and procedural complications0.7% (54 of 8,173)0.1%2
InsomniaPsychiatric disorders5.5% (52 of 940)2.0%4
Chronic obstructive pulmonary diseaseRespiratory, thoracic and mediastinal disorders0.6% (49 of 7,968)0.7%4
GastroenteritisInfections and infestations1.8% (48 of 2,640)0.3%9
Injection site reactionGeneral disorders18.0% (48 of 267)11.1%7
AnaemiaBlood and lymphatic system disorders0.5% (47 of 9,525)0.4%6
ArthritisMusculoskeletal and connective tissue disorders0.6% (47 of 8,173)0.0%2
AnxietyPsychiatric disorders0.5% (46 of 9,306)0.0%8
MyalgiaMusculoskeletal and connective tissue disorders4.8% (46 of 960)1.1%4
Large intestine polypGastrointestinal disorders0.5% (46 of 8,404)0.1%3
RashSkin and subcutaneous tissue disorders0.5% (45 of 8,575)0.0%5
PancreatitisGastrointestinal disorders0.4% (44 of 9,914)0.3%9
DyslipidaemiaMetabolism and nutrition disorders6.5% (44 of 678)-1
Seasonal allergyImmune system disorders5.1% (42 of 829)-1
Tooth infectionInfections and infestations5.1% (42 of 829)-1
Diabetes mellitusMetabolism and nutrition disorders5.1% (42 of 829)-1
Benign prostatic hyperplasiaReproductive system and breast disorders0.4% (40 of 8,933)0.1%4
Herpes zosterInfections and infestations0.4% (39 of 8,754)0.0%4
hunger decreaseMetabolism and nutrition disorders97.5% (39 of 40)10.3%1
ToothacheGastrointestinal disorders4.1% (38 of 917)0.0%3
headacheNervous system disorders11.8% (38 of 322)23.6%3
Tooth abscessInfections and infestations4.0% (37 of 934)-3
Ligament sprainInjury, poisoning and procedural complications4.5% (37 of 829)-1
ConjunctivitisInfections and infestations4.0% (36 of 903)1.2%3
BursitisMusculoskeletal and connective tissue disorders0.4% (36 of 8,284)0.0%3
Sinus congestionRespiratory, thoracic and mediastinal disorders3.8% (36 of 937)3.8%3
NAUSEAGastrointestinal disorders45.0% (36 of 80)1.2%1
diarrheaGastrointestinal disorders9.7% (35 of 362)16.4%4
Upper Respiratory Tract InfectionRespiratory, thoracic and mediastinal disorders6.6% (34 of 513)7.3%2
LacerationInjury, poisoning and procedural complications0.4% (32 of 8,245)0.0%4
Gastrointestinal haemorrhageGastrointestinal disorders0.3% (31 of 8,886)0.5%4
TendonitisMusculoskeletal and connective tissue disorders0.3% (29 of 8,578)0.0%3
Ear infectionInfections and infestations3.2% (28 of 881)-2
Blood glucose decreasedInvestigations19.4% (28 of 144)11.4%1
EpistaxisRespiratory, thoracic and mediastinal disorders0.3% (27 of 8,173)0.1%2
Basal cell carcinomaNeoplasms benign, malignant and unspecified (incl cysts and polyps)0.3% (27 of 8,173)0.3%2
HypercholesterolaemiaMetabolism and nutrition disorders3.3% (27 of 829)-1
Prostate cancerNeoplasms benign, malignant and unspecified (incl cysts and polyps)0.3% (26 of 10,061)0.4%8
OnychomycosisInfections and infestations3.1% (26 of 829)-1
FlatulenceGastrointestinal disorders2.8% (24 of 870)1.8%6
Intervertebral disc protrusionMusculoskeletal and connective tissue disorders0.2% (23 of 9,246)0.2%6
AnorexiaMetabolism and nutrition disorders5.6% (23 of 411)1.2%3
VOMITINGGastrointestinal disorders28.7% (23 of 80)0.0%1
Pancreatic carcinomaNeoplasms benign, malignant and unspecified (incl cysts and polyps)0.2% (21 of 9,719)0.2%7
Back PainMusculoskeletal and connective tissue disorders4.6% (21 of 453)1.6%2
DyspnoeaRespiratory, thoracic and mediastinal disorders0.2% (20 of 9,388)0.2%6
vomitingGastrointestinal disorders11.1% (20 of 180)1.8%2
refluxGastrointestinal disorders15.7% (20 of 127)16.4%1
Gastrointestinal events, myalgia, fatigueGastrointestinal disorders69.0% (20 of 29)75.0%1
upper respiratory tract infectionInfections and infestations3.7% (19 of 510)-3
Coronary artery diseaseCardiac disorders0.4% (18 of 4,581)0.4%12
IndurationGeneral disorders8.4% (18 of 215)-1
dizzinessNervous system disorders12.7% (18 of 142)-1

Source: ClinicalTrials.gov posted results, read 2026-10-03. A trial lists events above its own reporting threshold, so a rare event may be missing from some trials. Not medical advice.

FDA LABEL

What the FDA label says

Exenatide ANDA206697 · label of 2026-05-27 Regulator

The most common adverse reactions leading to withdrawal for exenatide-treated patients were nausea (3% of patients) and vomiting (1%).

Serious reactions the label warns about: Acute Pancreatitis, Never Share an Exenatide Pen Between Patients, Hypoglycemia with Concomitant Use of Insulin Secretagogues or Insulin, Acute Kidney Injury Due to Volume Depletion, Severe Gastrointestinal Adverse Reactions, Immunogenicity, Hypersensitivity, Drug-Induced Thrombocytopenia.

Full label, section 6, on DailyMed

Byetta NDA021773 · label of 2025-09-02 Regulator

The most common adverse reactions leading to withdrawal for BYETTA-treated patients were nausea (3% of patients) and vomiting (1%).

Full label, section 6, on DailyMed

QUESTIONS

Does exenatide cause headache?

In 24 placebo-controlled trials with posted results, 1.9% of people on exenatide reported headache, against 1.3% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

Does exenatide cause Non-cardiac chest pain?

In 24 placebo-controlled trials with posted results, 1.1% of people on exenatide reported Non-cardiac chest pain, against 1.0% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

Does exenatide cause osteoarthritis?

In 24 placebo-controlled trials with posted results, 0.9% of people on exenatide reported osteoarthritis, against 1.0% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

Does exenatide cause dizziness?

In 24 placebo-controlled trials with posted results, 0.8% of people on exenatide reported dizziness, against 0.4% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

Does exenatide cause constipation?

In 24 placebo-controlled trials with posted results, 0.8% of people on exenatide reported constipation, against 0.3% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

REGISTERED STUDIES

383 registered clinical trials of Exenatide

The 10 most recently updated are listed.

NCT05663515
A Pan-European Post-Authorisation Safety Study: Risk of Pancreatic Cancer Among Type 2 Diabetes Patients Who Initiated Exenatide as Compared With Those Who Initiated Other Non-Glucagon-Like Peptide 1 Receptor Agonists Based Glucose Lowering Drugs
Status: RECRUITING · Updated 2026-09-24
NCT06725693
Glucagon-like Peptide-1 Receptor PET/CT in GLP-1R Related Disease
Status: RECRUITING · Updated 2026-09-08
NCT05220917
Comparative Effectiveness and Safety of Four Second Line Pharmacological Strategies in Type 2 Diabetes Study
Status: ACTIVE_NOT_RECRUITING · Updated 2026-08-13
NCT07702461
Determination of Resistance Training Status for Patients on Glucagon-Like Peptide-1 Receptor Agonists
Status: RECRUITING · Updated 2026-07-24
NCT07497399
Targeting Agonists of Glucagon-like Peptide-1 Receptor for Multiple Sclerosis
Status: RECRUITING · Updated 2026-07-17
NCT05356104
GLP-1 Analogue in Preventing Progression of Small Vessel Disease (GAPP-SVD)
Status: RECRUITING · Updated 2026-06-05
NCT02860923
Efficacy and Safety of Exenatide in the Treatment of Hypothalamic Obesity After Craniopharyngioma Therapy
Status: COMPLETED · Updated 2026-05-22
NCT02042664
Effect of GLP-1 Receptor (GLP-1R) Agonists on Cardiac Function and on Epicardial Adipose Tissue (EAT) Volume and on Myocardial TG Content in Obese Diabetics
Status: COMPLETED · Updated 2026-05-07
NCT04232969
Exenatide Once Weekly Over 2 Years as a Potential Disease Modifying Treatment for Parkinson's Disease
Status: COMPLETED · Updated 2026-05-06
NCT05482789
Exenatide Pharmacokinetics and Pharmacodynamics in Gestational Diabetes
Status: RECRUITING · Updated 2026-04-20

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