Combined Blood Pressure Medication and Activity Scheduling for Low Mood

Recruiting now · Early Phase 1 · Has a placebo group

Conditions studied: Emotional Processing, Mood

In brief

This study explores the effects of 7-day losartan (50mg) versus placebo with brief behavioural activation on emotional processing in young volunteers low in positive mood

Key facts

Study ID

NCT07017023

Run by

University of Oxford

People needed

76

Starts

2025-07-08

Expected to finish

2026-12-31

Last updated by the study team

2025-07-24

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Willing and able to provide informed consent
• Aged 18-65 years
• Self-reported low levels of positive mood
• Sufficient written and spoken English skills to understand study procedures
• Normal or corrected to normal vision and hearing
• Access to a computer and reliable internet connection

You may not qualify if…

• Antidepressant treatment or medication in last three months
• Currently receiving cognitive-behavioural therapy with behavioural activation
• History of psychosis or bipolar disorder
• History of substance dependence
• Use of illegal drugs in last 3 months
• First-degree relative with history of psychosis or bipolar disorder
• Current or past hospitalisation for mental health reasons
• BDI-II score >30
• Judged to be currently at clinical risk of suicide
• Past suicide attempt
• CNS-medication last 6 weeks (including in another study)
• Severely underweight or overweight in a manner that renders them unsuitable for the study in the opinion of the study medic
• Current blood pressure or other heart medication
• Diagnosis of intravascular fluid depletion or dehydration
• History of angioedema
• Impaired kidney function (based on self-report)
• Very low blood pressure following established definitions (at least three consecutive measurements of blood pressure under standardised conditions where either the systolic or the diastolic blood pressure or both are below 90/60 mmHg (in accordance with established standard definitions: https://www.nhs.uk/cond...-pressure-hypotension/)
• Current diagnosis of a developmental disorder (e.g. ADHD, Tourette's syndrome, severe learning disability) according to self-report, where in the opinion of the study team such difficulties would likely interfere with compliance or task performance
• Current diagnosis of a neurological disorder (e.g. epilepsy, MS) according to self-report
• Lifetime history of systemic infection, or clinically significant hepatic, cardiac, obstructive respiratory, renal, cerebrovascular, metabolic, endocrine or pulmonary disease or disorder which, in the opinion of the investigator, may put the participant at risk when participating, or may influence compliance or task performance
• Pregnancy (urine pregnancy test during Baseline Visit), breast feeding or plans to become pregnant during study participation
• Heavy use of cigarettes (smoke > 20 cigarettes per day)
• Severe lactose intolerance (due to losartan containing some lactose monohydrate)

Where it is running

• Warneford Hospital, University of Oxford — Oxford, Oxfordshire, United Kingdom (enrolling)

Full record on ClinicalTrials.gov

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