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Study identifier: NCT05641623 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

OSU6162 as add-on in SSRI/SNRI-resistant Depression

Condition: Depression · Depressive Disorder, Treatment-Resistant · Depressive Disorder  ·  Sponsor: Göteborg University

PhasePhase 2
Planned participants180
Who can joinAll sexes, 25 Years to 65 Years
Healthy volunteersNo

About this study

This is a randomised, placebo-controlled, parallel-group trial comparing OSU6162 at flexible dosage with placebo as add-on to treatment with an SSRI/SNRI in patients with depression that have not responded to treatment with an SSRI/SNRI per se for at least 6 weeks. The study will last for 6 weeks, after which those not having responded will leave the trial and those having responded will be offered to continue treatment without unblinding for another 4 weeks. Optional Substudy 1 and 2: Baseline and treatment-associated change in reward-related striatal activity per fMRI-assessment. (Substudy 1). Brain signal variability per fMRI-assessment. (Substudy 1). Probabilistic Reward Task (PRT). (Substudy 2). While assessment of the efficacy and safety of OSU6162 is the main objective of this study, possible differences between the two treatment groups with respect to a number of biomarkers in serum will also be explored. Multicenter trial: Multiple sites four Gothenburg, Lund, Stockholm and Uppsala.

This description comes directly from the study's public registry record.

Talk to the study team

Elias Eriksson, Professor  ·  +46 709 555055  ·  elias.eriksson@neuro.gu.se

Jakob Näslund, MD, PhD  ·  +46 702 947960  ·  jakob.naslund@vgregion.se

Always discuss trial participation with your own doctor first.

Locations (4)

Skåne University Hospital Psychiatry LundLund, Skåne County, SwedenRecruiting
Sahlgrenska University HospitalGothenburg, Västra Götaland County, SwedenRecruiting
North Stockholm psychiatry Stockholm regionStockholm, SwedenNot Yet Recruiting
Uppsala University Hospital Department of neuroscienceUppsala, SwedenNot Yet Recruiting

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Source record: clinicaltrials.gov/study/NCT05641623