Drugs / Mesdopetam
last change Jun 2026 re-read 3 minutes ago

Mesdopetam

also known as IRL790

Small molecule targets DRD3 via inhibition

Developed for
Parkinson disease
Investigated by
Integrative Research Laboratories AB · The Clinical Trial Company

Trials 3

20172018201920202021202220232024202520262027
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 1/21 trial
Phase 1/2 NCT03531060 Nov 2016 → Apr 2017 Parkinson disease Integrative Research Laboratories AB Completed No outcome recorded
Phase 22 trials · 2 missed
Phase 2 NCT04435431 Oct 2020 → Dec 2022 Parkinson disease Integrative Research Laboratories AB Completed Missed primary
Phase 2 NCT03368170 Apr 2018 → Jun 2019 Parkinson disease Integrative Research Laboratories AB Completed Missed primary

News releases announcing trial results or a regulatory action · 28

DateIssuerRelease
2026-06-16 Integrative Research Laboratories AB Results IRLAB presents integrated analysis of mesdopetam data at international conference – confirms robust efficacy results in the Phase II studies irlab.se ↗
The analysis confirms mesdopetam’s anti-dyskinetic effect across a broad range of statistical models – a conclusion that strengthens the project’s attractiveness in ongoing partnering discussions.
2025-12-11 Integrative Research Laboratories AB Regulatory The European Patent Office intends to grant a new patent for IRLAB’s mesdopetam. irlab.se ↗
2025-05-13 Integrative Research Laboratories AB Regulatory IRLAB is granted a patent expanding the patent protection for the drug candidate mesdopetam in the US irlab.se ↗
2025-03-12 Integrative Research Laboratories AB Results IRLAB publishes preclinical data on mesdopetam in the esteemed European Journal of Neuroscience irlab.se ↗
2025-02-27 Integrative Research Laboratories AB Results IRLAB publishes Phase IIb data on mesdopetam in Movement Disorders Clinical Practice irlab.se ↗
The data analyses showed clinically meaningful and dose-dependent anti-dyskinetic effects of mesdopetam, although the primary efficacy endpoint, good ON-time, was not met in this Phase IIb study.
2025-02-20 Integrative Research Laboratories AB Regulatory IRLAB receives positive feedback from EMA confirming alignment with FDA on Phase III program for Mesdopetam irlab.se ↗
IRLAB Therapeutics AB (Nasdaq Stockholm: IRLAB a company discovering and developing novel treatments for Parkinson’s disease, today announces that the European Medicines Agency (EMA) has provided positive feedback on the company’s proposed design for the Phase III program of mesdopetam.
2025-01-23 Integrative Research Laboratories AB Regulatory IRLAB has received a waiver from the EMA regarding pediatric studies with mesdopetam in Parkinson’s Disease irlab.se ↗
EMA’s Paediatric Committee (“PDCO”) recommended, and EMA has granted, a waiver for mesdopetam for all pediatric subsets of the pediatric population to treat Parkinson’s disease.
2024-10-29 Integrative Research Laboratories AB Results IRLAB reports continued progress ahead of the mesdopetam Phase III program irlab.se ↗
a meta-analysis recently presented at the MDS scientific conference confirms the pronounced effect against levodopa-induced dyskinesias in people with Parkinson’s disease.
2024-03-19 Integrative Research Laboratories AB Results IRLAB’s mesdopetam displays antipsychotic properties in an advanced model of Parkinson’s disease psychosis irlab.se ↗
The studies concluded that mesdopetam displays key features associated with antipsychotic efficacy in this PD-P model and should be further explored as a potential novel treatment option for psychosis in Parkinson’s disease.
2024-02-22 Integrative Research Laboratories AB Regulatory IRLAB has completed a successful End-of-Phase 2 meeting with the FDA on the design of the Phase III program for mesdopetam irlab.se ↗
The discussions during the meeting indicate alignment between the FDA and IRLAB on the design of the Phase III program.
2024-01-03 Integrative Research Laboratories AB Regulatory IRLAB is granted an end-of-Phase 2 meeting with the FDA for the Phase III-ready mesdopetam program irlab.se ↗
Gothenburg, Sweden, January 3, 2024 – IRLAB Therapeutics AB (Nasdaq Stockholm: IRLAB A), a company discovering and developing novel treatments for Parkinson’s disease, today announced that the US FDA has granted IRLAB an end-of-Phase 2 meeting for the mesdopetam program on February 20, 2024.
2023-12-18 Integrative Research Laboratories AB Regulatory IRLAB submits request for an end-of-Phase 2 meeting with the FDA for the Phase III-ready mesdopetam program irlab.se ↗

All press releases naming this drug 49 releases

DateIssuerRelease

Evidence & citations 6 cited values

Every value below carries the sentence it was read from. 4 sources stand behind the page.

FieldValueCited text
Known as Mesdopetam ClinicalTrials.gov intervention name — accepted as the source's own label NCT03368170 ↗
1

NCT04435431 ↗

Known as IRL790 ClinicalTrials.gov intervention name — accepted as the source's own label NCT03531060 ↗
Action Inhibit “Dopamine D3 receptor antagonist” CHEMBL4594447 ↗
Modality Small molecule “Mesdopetam (IRL790) is an experimental small molecule compound” NCT03368170 ↗
Route Oral “Capsule 2.5 mg, oral administration” NCT03368170 ↗
Target DRD3 “Dopamine D3 receptor antagonist” CHEMBL4594447 ↗