Clinical trial NCT06306248: Immune Activation, Neural Plasticity and Depression
Official title: Adjusting Immune Activation to Reinstate Neural Plasticity and Promote the Beneficial Effect of Non-pharmacological Interventions
Study type: OBSERVATIONAL
Overall status: RECRUITING
Conditions: Mood Disorders
Major Depressive Disorder
Sleep Deprivation
Lead sponsor: IRCCS San Raffaele
Sponsor class: OTHER
First posted: 2024-03-12
Enrollment: 60
Sex: ALL
Minimum age (years): 18
Maximum age (years): 65
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Observational model: COHORT
Time perspective: PROSPECTIVE
Sampling method: NON_PROBABILITY_SAMPLE
Study population: Patients diagnosed with major depressive disorder

Brief summary: Major depressive disorder (MDD) is a chronic, recurring and potentially life-threatening illness that affects up to 10% of the population across the globe.Increasing evidence indicates a clear link between immune dysfunction and MDD.Moreover, an activation of inflammatory pathways is associated to a lack of clinical response to antidepressants. Thus, the regulation of inflammation represents a potential approach to modulate the link between the living environment and antidepressant outcome. Light therapy combined with sleep deprivation hastens recovery, with benefits that can be perceived by patients during the first week of treatment. Alteration of the sleep-wake cycle and of sleep structure are core symptoms of MDD.The aims of the present project are (i) to show that neural plasticity and the environmental context are moderating factors of the therapeutic outcome of immune modulation and (ii) to exploit their interplay to set up novel and effective therapeutic strategies for MDD.This is a observational prospective study with non-invasive add-on procedures (Magnetic Resonance without contrast). In this study, 60 patients with a depressive episode in course of MDD and treated with a chronobiological intervention including total sleep deprivation (TSD) + light therapy (LT), as performed in clinical practice, will be studied. All participants enrolled in the study will receive Treatment As Usual (TAU), i.e., pharmacotherapy, chronobiological intervention plus clinical management. Drug prescription will be performed during the clinical management sessions.The study will have a total duration of 24 months. Each subject will participate in the study for 6 months, will undergo Magnetic Resonance Imaging (MRI) and clinical evaluation at baseline, after one week of chronobiological treatment and at 6 months follow-up.


Eligibility criteria: Inclusion Criteria:

* A depressive episode according to Diagnostic and Statistical Manual of Mental Disorders (DSM-5) criteria in the course of MDD with:

  * HDRS score \> 17
  * Age 18-65 years;
  * In treatment with TSD+LT
* Signed informed consent, able to understand, speak and write the national language

Exclusion Criteria:

* History of bipolar disorder, schizophrenia, schizoaffective disorder, psychosis not otherwise specified; anorexia or bulimia nervosa;
* Taking following medications: antipsychotics, anticonvulsants, mood stabilizers; stimulants
* Active infection requiring antibiotics therapy;
* Immunosuppressed patient or other chronic diseases
* Signs of active infection requiring treatment
* Use of anti-inflammatory medication on a regular basis for a chronic inflammatory/autoimmune Disorder. Forbidden treatment: corticosteroids, Non Steroidal Anti-inflammatory Drugs, immunosuppressant IV-Ig based treatment
* Ongoing fever, infection treated by antibiotics or uncontrolled diabetes type I or II;
* Existing cancer or history of cancer in the last 5 years (except skin epidermoid cancer or in-situ cervix cancer);
* Known HIV infection or clinically manifest Acquired Immune Deficiency Syndrome (AIDS), Parkinson's or Alzheimer's disease, or any other serious condition likely to interfere e with the conduct of the trial;
* Abuse of drugs or alcohol in the past 6 months Other exclusion criteria related to the MRI procedure include
* Aneurysm clip
* Implanted neural stimulator
* Implanted cardiac pacemaker or auto-defibrillator
* Cochlear implant
* Ocular foreign body (e.g., metal shavings)
* Any implanted device (pumps, infusion devices, etc)
* Shrapnel injuries

Primary outcomes:
measure: BENEFICIAL EFFECT OF total sleep deprivation in inflamed vs non inflamed patients.
timeFrame: at baseline, 1 week follow-up, 6 months follow up
Secondary outcomes:
measure: Neurobiological markers of prediction and progression of antidepressant treatment
timeFrame: from baseline to 6 months follow up
Other outcomes:
Locations:
city: Milan
country: Italy
facility: IRCCS Ospedale San Raffaele
state: Mi
Study officials:
affiliation: IRCCS Ospedale San Raffaele
name: Sara Poletti, PhD
role: PRINCIPAL_INVESTIGATOR
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