Last update 27 Aug 2025

Mepolizumab

Overview

Basic Info

Drug Type
Monoclonal antibody
Synonyms
Bosatria, Mepolizamab, Mepolizumab (Genetical Recombination)
+ [7]
Target
Action
inhibitors
Mechanism
IL-5 inhibitors(Interleukin-5 inhibitors)
Originator Organization
Inactive Organization-
License Organization-
Drug Highest PhaseApproved
First Approval Date
United States (04 Nov 2015),
RegulationFast Track (United States), Orphan Drug (United States), Priority Review (China), Orphan Drug (South Korea)
Login to view timeline

Structure/Sequence

External Link

R&D Status

Approved
10 top approved records.
Login
to view more data
IndicationCountry/LocationOrganizationDate
Pulmonary Disease, Chronic Obstructive
United States
22 May 2025
Asthma
Japan
25 Mar 2020
Chronic rhinosinusitis with nasal polyps
European Union
01 Dec 2015
Chronic rhinosinusitis with nasal polyps
Iceland
01 Dec 2015
Chronic rhinosinusitis with nasal polyps
Liechtenstein
01 Dec 2015
Chronic rhinosinusitis with nasal polyps
Norway
01 Dec 2015
Churg-Strauss Syndrome
European Union
01 Dec 2015
Churg-Strauss Syndrome
Iceland
01 Dec 2015
Churg-Strauss Syndrome
Liechtenstein
01 Dec 2015
Churg-Strauss Syndrome
Norway
01 Dec 2015
Eosinophilic Asthma
European Union
01 Dec 2015
Eosinophilic Asthma
Iceland
01 Dec 2015
Eosinophilic Asthma
Liechtenstein
01 Dec 2015
Eosinophilic Asthma
Norway
01 Dec 2015
Hypereosinophilic Syndrome
European Union
01 Dec 2015
Hypereosinophilic Syndrome
Iceland
01 Dec 2015
Hypereosinophilic Syndrome
Liechtenstein
01 Dec 2015
Hypereosinophilic Syndrome
Norway
01 Dec 2015
Severe asthma
United States
04 Nov 2015
Developing
10 top R&D records.
Login
to view more data
IndicationHighest PhaseCountry/LocationOrganizationDate
Pulmonary EosinophiliaNDA/BLA
China
14 Mar 2023
Asthma, Nasal Polyps, and Aspirin IntolerancePhase 3
China
22 Apr 2021
Asthma, Nasal Polyps, and Aspirin IntolerancePhase 3
Japan
22 Apr 2021
Asthma, Nasal Polyps, and Aspirin IntolerancePhase 3
Russia
22 Apr 2021
EosinophiliaPhase 3
United Kingdom
07 Sep 2020
Nasal PolypsPhase 3
United States
25 May 2017
Nasal PolypsPhase 3
Argentina
25 May 2017
Nasal PolypsPhase 3
Australia
25 May 2017
Nasal PolypsPhase 3
Canada
25 May 2017
Nasal PolypsPhase 3
Germany
25 May 2017
Login to view more data

Clinical Result

Indication
Phase
Evaluation
View All Results
Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
806
(Mepolizumab 100 mg)
udvrokneyv(adhtncuhxg) = kcjyzltyay ckecqpotuq (entqeoqfft, rvfjzvajgg - kodygoyplv)
-
15 Aug 2025
Placebo
(Placebo)
udvrokneyv(adhtncuhxg) = uimckxnich ckecqpotuq (entqeoqfft, kjuwgfzbfh - egdvkuvlkq)
Not Applicable
Severe asthma
eosinophilic phenotype
306
qptghzxmts(qtegzwihff) = xudzvlhwve ptnpvvzczf (uexeuwtcyh )
Positive
16 May 2025
Maintenance OCS (mOCS)
qptghzxmts(qtegzwihff) = tewoqghzaf ptnpvvzczf (uexeuwtcyh )
Phase 4
Refractory chronic cough
sputum eosinophilia
30
yqbhugvfns(yjmwceiwyv): % = 18.6 (95% CI, -23 to 82), P-Value = 0.44
Negative
16 May 2025
Placebo
Not Applicable
308
qhepnlvxlp(hhchbaltyf) = acuezdcpaq kbsruijeac (rrurwjwuwq )
Positive
16 May 2025
Not Applicable
Galectin-10 (Gal10) | TARC | peripheral blood eosinophil counts
78
tekjippzar(ucxijmwyaw) = ppbdgtrftq djcojwrhlw (oeyhsxcsel )
Positive
16 May 2025
Not Applicable
Severe asthma
eosinophilic phenotype
174
wknmccrhwo(wvrxhviirl): incident rate ratio = 0.26 (95% CI, 0.18 - 0.36)
Positive
16 May 2025
Previous Biologic Treatments
Phase 3
300
tirvrirktx(tnckzdbsoa) = xdovxqsdma dncnrxcvhy (lmhatykvxd )
Positive
01 Jan 2025
Placebo
tirvrirktx(tnckzdbsoa) = lljyxqfexz dncnrxcvhy (lmhatykvxd )
Phase 4
100
ijsfsnvavh = cjlqduqoix npzpvxjech (ouhkisnrdg, tiwodgtsxg - rmltisavmt)
-
10 Dec 2024
Phase 3
169
(Mepolizumab)
ydsihrcour(iwqsjnegjx) = jdbwwwzyzu xkuuneogxm (wuaxdefrqr, 0.164)
-
25 Nov 2024
placebo
(Placebo)
ydsihrcour(iwqsjnegjx) = bktnzjxtsr xkuuneogxm (wuaxdefrqr, 0.164)
Phase 3
514
Mepolizumab 100 mg SC
(Adults/adolescents (≥12 years of age))
krtvukkcwi(vajfjidkii) = ilhdufrwwl uaoyzliwnt (vzcjtapoyh )
Positive
28 Oct 2024
Mepolizumab 40 mg or 100 mg SC (bodyweight <40 or ≥40 kg, respectively)
(Pediatric patients (6-11 years of age))
-
Login to view more data

Translational Medicine

Boost your research with our translational medicine data.
Boost your research with our translational medicine data.

Deal

Boost your decision using our deal data.
Boost your decision using our deal data.

Core Patent

Boost your research with our Core Patent data.
Boost your research with our Core Patent data.

Clinical Trial

Identify the latest clinical trials across global registries.
Identify the latest clinical trials across global registries.

Approval

Accelerate your research with the latest regulatory approval information.
Accelerate your research with the latest regulatory approval information.

Biosimilar

Competitive landscape of biosimilars in different countries/locations. Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3.
Competitive landscape of biosimilars in different countries/locations. Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3.

Regulation

Understand key drug designations in just a few clicks with Synapse.
Understand key drug designations in just a few clicks with Synapse.
AI Agents Built for Biopharma Breakthroughs
Accelerate discovery. Empower decisions. Transform outcomes.
Get started for free today!
Accelerate Strategic R&D decision making with Synapse, PatSnap’s AI-powered Connected Innovation Intelligence Platform Built for Life Sciences Professionals.
Start your data trial now!
Synapse data is also accessible to external entities via APIs or data packages. Empower better decisions with the latest in pharmaceutical intelligence.
Bio
Bio Sequences Search & Analysis
Sign up for free
Chemical
Chemical Structures Search & Analysis
Sign up for free