TRIAL RESULTS · SIDE EFFECTS

Cagrilintide side effects

ANSWER

In 1 placebo-controlled trial with posted results, the most common side effects of Cagrilintide were nausea 29.0% (placebo 14.8%), COVID-19 16.1% (placebo 13.1%), constipation 16.1% (placebo 13.1%). Read from ClinicalTrials.gov on 2026-10-03. Not medical advice.

Trial register

Trials with posted results

1

with an arm on Cagrilintide, of 66 registered

Against placebo

1

placebo-controlled trials

People in those trials

31

on Cagrilintide · 61 on placebo

Read

2026-10-03

ClinicalTrials.gov

VS PLACEBO

Most common side effects, Cagrilintide beside placebo

All 35 reported events
Nausea29.0%14.8%
COVID-1916.1%13.1%
Constipation16.1%13.1%
Diarrhoea16.1%6.6%
Fatigue9.7%1.6%
Gastrooesophageal reflux disease9.7%1.6%
Vomiting9.7%1.6%
Back pain6.5%3.3%
Eructation6.5%0.0%
Gastroenteritis6.5%6.6%

Share of people with each side effect in 1 placebo-controlled trial with posted results: 31 people on Cagrilintide (all doses), 61 on placebo, same trials. Listed only when reported for at least half of the people on Cagrilintide. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

ALL TRIALS

All 35 side effects reported

Every trial with posted results and an arm on Cagrilintide (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 systemCagrilintidePlaceboTrials
NauseaGastrointestinal disorders29.0% (9 of 31)14.8%1
COVID-19Infections and infestations16.1% (5 of 31)13.1%1
ConstipationGastrointestinal disorders16.1% (5 of 31)13.1%1
DiarrhoeaGastrointestinal disorders16.1% (5 of 31)6.6%1
FatigueGeneral disorders9.7% (3 of 31)1.6%1
Gastrooesophageal reflux diseaseGastrointestinal disorders9.7% (3 of 31)1.6%1
VomitingGastrointestinal disorders9.7% (3 of 31)1.6%1
Back painMusculoskeletal and connective tissue disorders6.5% (2 of 31)3.3%1
EructationGastrointestinal disorders6.5% (2 of 31)0.0%1
GastroenteritisInfections and infestations6.5% (2 of 31)6.6%1
HiccupsRespiratory, thoracic and mediastinal disorders6.5% (2 of 31)0.0%1
SinusitisInfections and infestations6.5% (2 of 31)0.0%1
Upper respiratory tract infectionInfections and infestations6.5% (2 of 31)8.2%1
ArthralgiaMusculoskeletal and connective tissue disorders3.2% (1 of 31)4.9%1
DizzinessNervous system disorders3.2% (1 of 31)6.6%1
Injection site reactionGeneral disorders3.2% (1 of 31)3.3%1
Acute sinusitisInfections and infestations0.0% (0 of 31)3.3%1
Blood creatine phosphokinase increasedInvestigations0.0% (0 of 31)3.3%1
ConjunctivitisInfections and infestations0.0% (0 of 31)4.9%1
CoughRespiratory, thoracic and mediastinal disorders0.0% (0 of 31)3.3%1
Decreased appetiteMetabolism and nutrition disorders0.0% (0 of 31)4.9%1
Diabetes mellitusMetabolism and nutrition disorders0.0% (0 of 31)3.3%1
DyspepsiaGastrointestinal disorders0.0% (0 of 31)3.3%1
FallInjury, poisoning and procedural complications0.0% (0 of 31)3.3%1
HeadacheNervous system disorders0.0% (0 of 31)9.8%1
NephrolithiasisRenal and urinary disorders0.0% (0 of 31)4.9%1
Pain in extremityMusculoskeletal and connective tissue disorders0.0% (0 of 31)3.3%1
Urinary tract infectionInfections and infestations0.0% (0 of 31)4.9%1
Acute myocardial infarctionCardiac disorders0.0% (0 of 31)1.6%1
Chest painGeneral disorders0.0% (0 of 31)1.6%1
Coronary artery diseaseCardiac disorders0.0% (0 of 31)1.6%1
Deep vein thrombosisVascular disorders0.0% (0 of 31)1.6%1
HypotensionVascular disorders0.0% (0 of 31)1.6%1
Loss of consciousnessNervous system disorders0.0% (0 of 31)1.6%1
Pulmonary embolismRespiratory, thoracic and mediastinal disorders0.0% (0 of 31)1.6%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.

QUESTIONS

Does cagrilintide cause nausea?

In 1 placebo-controlled trial with posted results, 29.0% of people on cagrilintide reported nausea, against 14.8% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

Does cagrilintide cause COVID-19?

In 1 placebo-controlled trial with posted results, 16.1% of people on cagrilintide reported COVID-19, against 13.1% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

Does cagrilintide cause constipation?

In 1 placebo-controlled trial with posted results, 16.1% of people on cagrilintide reported constipation, against 13.1% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

Does cagrilintide cause diarrhoea?

In 1 placebo-controlled trial with posted results, 16.1% of people on cagrilintide reported diarrhoea, against 6.6% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

Does cagrilintide cause fatigue?

In 1 placebo-controlled trial with posted results, 9.7% of people on cagrilintide reported fatigue, against 1.6% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

REGISTERED STUDIES

66 registered clinical trials of Cagrilintide

The 10 most recently updated are listed.

2025-524249-29-00
A placebo-controlled comparability study to compare two presentations of cagrilintide for weight management in participants with overweight or obesity
Status: UNKNOWN · Updated 2026-10-01
NCT05567796
A Research Study to See How Well CagriSema Helps People With Excess Body Weight Lose Weight
Status: ACTIVE_NOT_RECRUITING · Updated 2026-09-30
NCT06323174
A Research Study to See How Much CagriSema Lowers Blood Sugar and Body Weight Compared to Placebo in People With Type 2 Diabetes Treated With Diet and Exercise
Status: COMPLETED · Updated 2026-09-30
NCT07011667
A Research Study to Look at How Well CagriSema Helps People Living With Obesity Lose Weight and Maintain Weight Loss in the Long-term
Status: ACTIVE_NOT_RECRUITING · Updated 2026-09-30
NCT07253285
A Research Study on How Well Cagrilintide and CagriSema Work in Children and Adolescents With Excess Body Weight
Status: RECRUITING · Updated 2026-09-30
NCT07564414
A Research Study to Look at How Two Different Doses of CagriSema and One Dose of Semaglutide Help People Living With Obesity With or Without Type 2 Diabetes Lose Weight
Status: RECRUITING · Updated 2026-09-30
NCT06131372
A Research Study to See if Kidney Damage in People With Chronic Kidney Disease and Type 2 Diabetes Living With Overweight or Obesity Can be Reduced by CagriSema Compared to Semaglutide, Cagrilintide and Placebo
Status: COMPLETED · Updated 2026-09-24
2025-521384-12-00
A research study to compare blood levels of cagrilintide after multiple doses of different versions of cagrilintide in adults with overweight or obesity
Status: UNKNOWN · Updated 2026-09-21
NCT06797869
A Research Study to Investigate the Effects of CagriSema Compared to Placebo in People With Type 2 Diabetes and Painful Diabetic Peripheral Neuropathy
Status: COMPLETED · Updated 2026-09-10
NCT07010432
The Role of the Amylin Analogue Cagrilintide in Bone Metabolism
Status: RECRUITING · Updated 2026-09-10

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