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Telisotuzumab Side Effects

The most commonly reported side effects of telisotuzumab include off label use, pneumonia, and pneumonitis, based on 44 FDA adverse event reports from 2013 to 2025.

Telisotuzumab side effects

Percentages show how often each reaction appears relative to total reports for telisotuzumab.

1
Off Label Use9.1%4
2
Pneumonia9.1%4
3
Pneumonitis9.1%4
4
Neuropathy Peripheral6.8%3
5
General Physical Health Deterioration6.8%3
6
Keratitis6.8%3
7
Nausea4.5%2
8
Diarrhoea4.5%2
9
Abdominal Pain4.5%2
10
Myelosuppression4.5%2
11
Respiratory Tract Infection4.5%2
12
Febrile Neutropenia4.5%2
13
Anaemia4.5%2
14
Sepsis4.5%2
15
Urinary Tract Infection4.5%2

These are voluntary reports and do not establish that telisotuzumab caused these reactions.

Report severity

72.7%Serious32 reports
47.7%Hospitalizations21 reports
9.1%Fatal4 reports

Seriousness is determined by the reporter, not by OpenClaim.

Telisotuzumab drug interactions

Other drugs that appear in adverse event reports alongside telisotuzumab. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.

Also suspected

1
Levoleucovorin25.0%11
2
Fluorouracil25.0%11
3
Bevacizumab20.5%9
4
Docetaxel13.6%6
5
Etanercept2.3%1
6
Bendamustine-hydrochloride2.3%1
7
Budesonide2.3%1
8
Nivolumab2.3%1
9
Megestrol-acetate2.3%1
10
Adalimumab2.3%1
11
Pertuzumab2.3%1
12
Trastuzumab2.3%1
13
Osimertinib-mesylate2.3%1
14
Prednisone2.3%1

Taken alongside

1
Acetaminophen20.5%9
2
Ondansetron15.9%7
3
Pantoprazole-sodium15.9%7
4
Oxycodone13.6%6
5
Fluticasone9.1%4
6
Dexamethasone9.1%4
7
Folic-acid9.1%4
8
Prochlorperazine9.1%4
9
Levothyroxine-sodium6.8%3
10
Bisoprolol-fumarate6.8%3
11
Atorvastatin-calcium6.8%3
12
Amoxicillin6.8%3
13
Clavulanate-potassium6.8%3
14
Sodium-chloride6.8%3
15
Tramadol-hydrochloride4.5%2

Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.

Who reports telisotuzumab side effects

47.7% of telisotuzumab adverse event reports involve female patients and 40.9% involve male patients. The largest age group is adult at 62%. These figures reflect who reports side effects, not underlying risk.

Sex

Female47.7%
Male40.9%
Unknown11.4%

Age group

< 20.0%
2–110.0%
12–170.0%
18–6462.1%
65+37.9%

What is telisotuzumab used for

Conditions and purposes for which patients were taking telisotuzumab when the adverse event was reported.

Adenocarcinoma GastricBreast Cancer MetastaticColorectal CancerLung AdenocarcinomaLung Cancer MetastaticLung Neoplasm MalignantNeoplasmNeoplasmNon-small Cell Lung CancerProduct Used For Unknown IndicationProduct Used For Unknown Indication

Telisotuzumab brand names and reporting trend

Telisotuzumab is sold under the brand name Emrelis.

Brand names

Emrelis40

Quarterly reports (20132025)

20132025

An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.

Taking telisotuzumab with another medication?

Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.