TRIAL RESULTS · SIDE EFFECTS

Lanreotide side effects

ANSWER

In 5 placebo-controlled trials with posted results, the most common side effects of Lanreotide were diarrhoea 19.5% (placebo 23.6%), abdominal pain 16.8% (placebo 15.9%), fatigue 12.2% (placebo 14.6%). Read from ClinicalTrials.gov on 2026-10-03. Not medical advice.

Trial register

Trials with posted results

18

with an arm on Lanreotide, of 125 registered

Against placebo

5

placebo-controlled trials

People in those trials

437

on Lanreotide · 258 on placebo

Read

2026-10-03

ClinicalTrials.gov

VS PLACEBO

Most common side effects, Lanreotide beside placebo

All 553 reported events
Diarrhoea19.5%23.6%
Abdominal pain16.8%15.9%
Fatigue12.2%14.6%
Nausea11.0%12.0%
Vomiting10.8%7.8%
Headache10.7%9.4%
Hypertension8.8%5.6%
Arthralgia8.0%8.2%
Back pain8.0%10.3%
Decreased appetite8.0%8.6%

Share of people with each side effect in 5 placebo-controlled trials with posted results: 437 people on Lanreotide (all doses), 258 on placebo, same trials. Listed only when reported for at least half of the people on Lanreotide. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

ALL TRIALS

The 100 most reported of 553 side effects reported

Every trial with posted results and an arm on Lanreotide (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 systemLanreotidePlaceboTrials
DiarrhoeaGastrointestinal disorders32.3% (321 of 995)23.6%13
Abdominal painGastrointestinal disorders16.4% (168 of 1,026)15.9%14
NauseaGastrointestinal disorders13.7% (141 of 1,026)12.0%14
HeadacheNervous system disorders13.2% (111 of 841)9.4%11
FatigueGeneral disorders12.1% (109 of 898)14.6%13
CholelithiasisHepatobiliary disorders12.6% (90 of 717)6.4%8
ConstipationGastrointestinal disorders9.0% (87 of 963)9.7%14
VomitingGastrointestinal disorders9.6% (83 of 868)7.8%12
Abdominal pain upperGastrointestinal disorders9.3% (79 of 846)8.1%11
DizzinessNervous system disorders8.3% (66 of 795)2.1%9
ArthralgiaMusculoskeletal and connective tissue disorders8.0% (64 of 805)8.2%10
Abdominal distensionGastrointestinal disorders17.5% (63 of 360)6.8%5
Weight decreasedInvestigations7.7% (59 of 767)6.4%9
HypertensionVascular disorders7.0% (58 of 834)5.6%11
Back painMusculoskeletal and connective tissue disorders7.2% (55 of 765)10.3%11
Decreased appetiteMetabolism and nutrition disorders7.2% (55 of 760)8.6%9
NasopharyngitisInfections and infestations7.1% (53 of 743)11.6%8
Upper respiratory tract infectionInfections and infestations9.9% (53 of 538)4.7%5
HyperglycaemiaMetabolism and nutrition disorders7.3% (51 of 701)2.3%8
AstheniaGeneral disorders7.0% (48 of 684)6.6%9
FlatulenceGastrointestinal disorders6.8% (48 of 701)6.5%7
AnaemiaBlood and lymphatic system disorders5.0% (43 of 859)1.7%10
Urinary tract infectionInfections and infestations5.1% (40 of 791)7.3%10
AlopeciaSkin and subcutaneous tissue disorders7.6% (40 of 525)3.9%6
DyspnoeaRespiratory, thoracic and mediastinal disorders5.0% (32 of 642)5.2%8
CoughRespiratory, thoracic and mediastinal disorders4.9% (31 of 627)4.3%8
PyrexiaGeneral disorders4.1% (30 of 723)4.3%9
Injection site painGeneral disorders6.7% (28 of 418)4.0%5
Oedema peripheralGeneral disorders4.3% (26 of 598)5.2%7
Abdominal discomfortGastrointestinal disorders5.3% (25 of 468)3.4%6
Musculoskeletal painMusculoskeletal and connective tissue disorders4.5% (25 of 554)2.7%6
Blood glucose increasedInvestigations10.8% (24 of 222)0.0%3
Muscle spasmsMusculoskeletal and connective tissue disorders5.5% (23 of 418)2.2%4
Injection site indurationGeneral disorders10.3% (23 of 224)-2
FlushingVascular disorders3.6% (22 of 618)4.3%8
AnxietyPsychiatric disorders4.6% (22 of 477)1.2%6
Sinus bradycardiaCardiac disorders9.8% (22 of 224)-2
InsomniaPsychiatric disorders5.1% (21 of 412)2.7%8
Pain in extremityMusculoskeletal and connective tissue disorders3.5% (20 of 576)2.2%7
RashSkin and subcutaneous tissue disorders7.7% (18 of 234)4.0%4
Oropharyngeal painRespiratory, thoracic and mediastinal disorders3.8% (16 of 418)4.5%5
DyspepsiaGastrointestinal disorders6.3% (16 of 254)2.7%5
Disease progressionGeneral disorders5.6% (15 of 268)0.0%2
Influenza like illnessGeneral disorders3.2% (14 of 439)1.2%5
HypokalaemiaMetabolism and nutrition disorders3.4% (13 of 388)3.0%8
Gamma-glutamyltransferase increasedInvestigations3.3% (13 of 397)0.0%4
Diabetes mellitusMetabolism and nutrition disorders5.4% (13 of 239)5.3%3
Aspartate aminotransferase increasedInvestigations3.2% (12 of 372)0.0%5
Renal cystRenal and urinary disorders5.4% (12 of 224)-2
Injection Site PainGeneral disorders20.3% (12 of 59)-1
Gastrointestinal sounds abnormalGastrointestinal disorders9.4% (12 of 128)-1
PruritusSkin and subcutaneous tissue disorders4.3% (11 of 256)5.1%5
HypothyroidismEndocrine disorders4.5% (11 of 246)-3
Alanine aminotransferase increasedInvestigations10.5% (11 of 105)-3
Thyroid massEndocrine disorders8.6% (11 of 128)-1
Injection site noduleGeneral disorders4.6% (10 of 217)6.4%4
Musculoskeletal chest painMusculoskeletal and connective tissue disorders7.1% (10 of 141)7.7%3
Abdominal PainGastrointestinal disorders11.6% (10 of 86)4.0%2
Hepatic cystHepatobiliary disorders4.5% (10 of 224)-2
ToothacheGastrointestinal disorders6.0% (10 of 168)-2
Rectal tenesmusGastrointestinal disorders5.6% (10 of 179)3.8%2
Blood bilirubin increasedInvestigations10.6% (10 of 94)0.0%2
Gastrointestinal disorderGastrointestinal disorders11.1% (10 of 90)-1
HypotensionVascular disorders3.5% (9 of 259)3.8%5
SciaticaNervous system disorders2.0% (9 of 453)1.2%5
DepressionPsychiatric disorders3.3% (9 of 275)0.0%5
BronchitisInfections and infestations4.8% (9 of 189)9.6%3
Blood triglycerides increasedInvestigations2.9% (9 of 307)0.0%3
Abdominal Pain UpperGastrointestinal disorders15.3% (9 of 59)-1
DyslipidaemiaMetabolism and nutrition disorders9.4% (9 of 96)-1
HypoglycaemiaMetabolism and nutrition disorders1.5% (8 of 541)1.4%6
DehydrationMetabolism and nutrition disorders2.5% (8 of 320)0.8%5
MyalgiaMusculoskeletal and connective tissue disorders2.7% (8 of 298)5.5%5
Lower respiratory tract infectionInfections and infestations3.0% (8 of 266)0.0%2
Chest discomfortGeneral disorders4.5% (8 of 179)0.0%2
White blood cell count decreasedInvestigations9.6% (8 of 83)-2
Back PainMusculoskeletal and connective tissue disorders13.6% (8 of 59)-1
AnorexiaMetabolism and nutrition disorders36.4% (8 of 22)-1
Clinically significant postoperative pancreatic fistulaSurgical and medical procedures8.2% (8 of 98)-1
Death NOSGeneral disorders15.7% (8 of 51)-1
Bilirubin conjugated increasedInvestigations18.6% (8 of 43)-1
PneumoniaInfections and infestations2.1% (7 of 332)1.7%6
GastroenteritisInfections and infestations2.2% (7 of 320)3.1%4
Chest painGeneral disorders3.0% (7 of 237)3.8%4
Dry mouthGastrointestinal disorders4.2% (7 of 165)3.8%4
HypertriglyceridaemiaMetabolism and nutrition disorders1.9% (7 of 363)1.2%3
Injection site swellingGeneral disorders3.1% (7 of 224)-2
Gallbladder enlargementHepatobiliary disorders5.5% (7 of 128)-1
Protein urine presentInvestigations5.5% (7 of 128)-1
Intestinal obstructionGastrointestinal disorders1.3% (6 of 461)1.4%5
SteatorrhoeaGastrointestinal disorders2.7% (6 of 225)6.8%4
NeutropeniaBlood and lymphatic system disorders3.2% (6 of 188)-3
PollakiuriaRenal and urinary disorders3.0% (6 of 199)0.0%3
PalpitationsCardiac disorders4.9% (6 of 123)0.0%3
Ear infectionInfections and infestations6.7% (6 of 90)-2
ThrombocytopeniaBlood and lymphatic system disorders6.5% (6 of 92)-2
Blood cholesterol increasedInvestigations6.6% (6 of 91)0.0%2
Dyspnoea exertionalRespiratory, thoracic and mediastinal disorders6.6% (6 of 91)7.7%2
Glycosylated haemoglobin increasedInvestigations7.2% (6 of 83)-2
Pancreatic enzymes decreasedInvestigations5.9% (6 of 101)0.0%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

LANREOTIDE ACETATE ANDA217193 · label of 2025-02-01 Regulator

Most common adverse reactions are: Acromegaly (>5%): diarrhea, cholelithiasis, abdominal pain, nausea and injection site reactions.

Full label, section 6, on DailyMed

SOMATULINE DEPOT NDA022074 · label of 2024-10-11 Regulator

Most common adverse reactions are: Acromegaly (>5%): diarrhea, cholelithiasis, abdominal pain, nausea and injection site reactions.

Full label, section 6, on DailyMed

QUESTIONS

Does lanreotide cause diarrhoea?

In 5 placebo-controlled trials with posted results, 19.5% of people on lanreotide reported diarrhoea, against 23.6% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

Does lanreotide cause abdominal pain?

In 5 placebo-controlled trials with posted results, 16.8% of people on lanreotide reported abdominal pain, against 15.9% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

Does lanreotide cause fatigue?

In 5 placebo-controlled trials with posted results, 12.2% of people on lanreotide reported fatigue, against 14.6% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

Does lanreotide cause nausea?

In 5 placebo-controlled trials with posted results, 11.0% of people on lanreotide reported nausea, against 12.0% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

Does lanreotide cause vomiting?

In 5 placebo-controlled trials with posted results, 10.8% of people on lanreotide reported vomiting, against 7.8% on placebo. Source: ClinicalTrials.gov, read 2026-10-03. Not medical advice.

REGISTERED STUDIES

125 registered clinical trials of Lanreotide

The 10 most recently updated are listed.

2024-516616-24-00
A Phase 3 randomized 3-arm trial (double-blind Debio 4126, placebo control, and open-label Debio 4126), to assess the efficacy and safety of Debio 4126, a 12-week octreotide formulation, in patients with acromegaly previously treated with somatostatin analogs.
Status: UNKNOWN · Updated 2026-09-23
NCT06878664
Randomized Interval Assessment Trial of Lu177-Dotatate in Slowly Progressive G1-2 Advanced Midgut Neuroendocrine Tumors
Status: RECRUITING · Updated 2026-09-16
2023-509334-19-00
Trial title: Phase 1b/3 global, randomized, controlled, open-label trial comparing treatment with RYZ101 to standard of care (SoC) therapy in subjects with inoperable, advanced, somatostatin receptor expressing (SSTR+), well-differentiated gastro-enteropancreatic neuroendocrine tumors (GEP-NETs) that have progressed following prior 177Lu-labelled somatostatin analogue (177Lu-SSA) therapy (ACTION-1)
Status: UNKNOWN · Updated 2026-08-31
2023-508723-12-00
A randomized, multi-center, open-label, active-controlled Phase 3 trial to assess the efficacy and safety of octreotide subcutaneous depot (CAM2029) versus octreotide LAR or lanreotide ATG in patients with gastroenteropancreatic neuroendocrine tumors
Status: UNKNOWN · Updated 2026-08-10
NCT07087054
Carcinoid Syndrome Efficacy Study Featuring an Oral Daily Paltusotine Regimen
Status: RECRUITING · Updated 2026-08-04
NCT05050942
A Trial to Assess Efficacy and Safety of Octreotide Subcutaneous Depot in Patients With GEP-NET
Status: ACTIVE_NOT_RECRUITING · Updated 2026-07-28
2023-505884-35-00
Absorbed Tumor Dose in Peptide Receptor Radionuclide Therapy with long-acting Somatostatin Analogues - ATSA trial
Status: UNKNOWN · Updated 2026-06-17
NCT07534371
Analysis of Optimal Treatment Sequencing of Surufatinib and Somatostatin Analogs in Neuroendocrine Tumors: A Retrospective Cohort Study
Status: ACTIVE_NOT_RECRUITING · Updated 2026-04-16
NCT05048901
Cabozantinib and Lanreotide as Treatment for Gastroenteropancreatic Neuroendocrine Tumors
Status: RECRUITING · Updated 2026-04-09
NCT02127437
Lanreotide In Polycystic Kidney Disease Study
Status: COMPLETED · Updated 2026-04-08

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