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Behandling av immunmetabolisk depression med antiinflammatoriska läkemedel (INFLAMED)

15 september 2026 uppdaterad av: Yuri Milaneschi, Amsterdam UMC, location VUmc

Precisionspsykiatri: Antiinflammatorisk medicin vid immunmetabolisk depression

As the role of (neuro)inflammation in depression is emerging, augmentation of antidepressant treatments with anti-inflammatory drugs such as celecoxib has shown encouraging preliminary results. However, inflammation is not present in all depressed patients. Depression is heterogeneous: patients express diverse and sometimes opposing symptoms and biological profiles. The investigators of the present trial recently introduced the concept of ImmunoMetabolic Depression (IMD), characterized by the clustering of inflammatory/metabolic dysregulations and atypical, energy-related symptoms (hyperphagia, weight gain, hypersomnia, fatigue and leaden paralysis), and present in approximately 30% of cases. Converging evidence suggests that in this subgroup of depression cases, inflammation may exert a crucial pathobiological mechanism, representing therefore an actionable therapeutic target. In this trial IMD will be applied as a tool to personalize treatment, by matching depressed subjects with IMD with a targeted anti-inflammatory add-on treatment.

In this study, 140 persons with IMD will be selected. In this specific group of patients, the investigators will test whether celecoxib add-on (400 mg/d) is more effective than placebo in the treatment of depression through a 12-week double-blind, randomized (1:1), placebo-controlled trial. By selecting specifically depressed patients with IMD, the proposed treatment selectively targets key inflammatory pathophysiological pathways to enhance clinical outcome for depression. This personalized approach is expected to lead to large health gains for a sizable proportion of patients. The main hypothesis is that the group of patients with IMD receiving TAU + celecoxib, as compared to the TAU + placebo, will show a better symptom course over the 12-week follow-up.

Studieöversikt

Detaljerad beskrivning

Rationale: Depression is a major driver of disability and related health-care costs. Available treatment options are far from optimal, with only ~60% response. Developing effective treatments requires new treatment targets to depression pathophysiology. As the role of (neuro)inflammation in depression is emerging, augmentation of antidepressant treatments with anti-inflammatory drugs such as celecoxib has shown encouraging preliminary results. However, inflammation is not present in all depressed patients. Depression is heterogeneous: patients express diverse and sometimes opposing symptoms and biological profiles. The investigators of the present study recently introduced the concept of ImmunoMetabolic Depression (IMD), characterized by the clustering of inflammatory/metabolic dysregulations and atypical, energy-related symptoms (hyperphagia, weight gain, hypersomnia, fatigue and leaden paralysis), and present in 30% of cases. Converging evidence suggests that in this subgroup of depression cases, inflammation may exert a crucial pathobiological mechanism, representing therefore an actionable therapeutic target. In this study IMD will be applied as a tool to personalize treatment, by matching depressed subjects with IMD with a targeted anti-inflammatory add-on treatment. The underlying hypothesis is that this personalized intervention in subjects with IMD, through a reduction of inflammation, lowers depressive symptoms and associated physical fatigue, while increasing functioning compared to placebo.

Objective: Among patients under treatment for depression, 140 persons with IMD will be selected. In this specific group of patients, the investigators will test whether celecoxib add-on (400 mg/d) is more effective than placebo in the treatment of depression through a 12-week double-blind, randomized (1:1), placebo-controlled trial.

Study design:12-week double-blind placebo-controlled randomized clinical trial Study population: 140 persons with major depressive disorder (DMS-5) with atypical, energy-related symptoms (≥6 on IDS atypical, energy-related symptoms) AND low-grade inflammation (CRP>1mg/L) (e.g. ImmunoMetabolic Depression), and under treatment with SSRI or SNRIs.

Intervention: celecoxib add-on (400 mg/d) vs placebo Main study parameters/endpoints: Primary outcome parameter is the difference in trajectories of depression symptoms, as measured with the 30-item Inventory of Depressive Symptomatology - self-report during follow-up. Secondary outcome parameters include amongst others, response on the IDS, remission, anxiety, fatigue, food craving, sleep and adverse side events.

Studietyp

Interventionell

Inskrivning (Faktisk)

94

Fas

  • Fas 3

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studieorter

      • Amsterdam, Nederländerna, 1081 HJ
        • Department of Psychiatry Amsterdam UMC

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

18 år till 65 år (Vuxen, Äldre vuxen)

Tar emot friska volontärer

Nej

Kön som är behöriga för studier

Allt

Beskrivning

Inclusion Criteria:

  • DSM-5 diagnosis of MDD confirmed with clinical interview (MINI-S voor DSM-5 Nederlandse versie 2019)
  • Currently using pharmacotherapy (e.g., SSRI, SNRI, TCA, TetraCA, MAOI, other antidepressant [bupropion, vortioxetine, agomelatine])) and/or psychotherapy. Subjects should be on the current treatment for at least 4 weeks
  • IDS-SR score ≥26 (moderate to severe depressive symptoms) and a score ≥6 on atypical, energy-related symptoms scale from IDS
  • CRP > 1mg/L
  • A female participant is eligible to participate if she is not pregnant or breastfeeding, and one of the following conditions applies: 1) is not a woman of child bearing potential (WOCBP); 2) Is a WOCBP and agrees to use, or is already using, a contraceptive method during the intervention period and up to 1 month after the intervention
  • Signed informed consent

Exclusion Criteria:

  • Contraindications for celecoxib (history of: peptic ulcers, gastrointestinal bleeding, ischemic heart disease, stroke, heart failure, allergic reactions to aspirin/NSAIDs/coxibs; impaired kidney function (creatinine clearance < 30 ml/min), impaired liver function (ALT > 2x ULT)
  • ECT in the past 3 months
  • Being on other psychotropic drugs
  • Clinically overt alcohol/drug dependence or other primary psychiatric diagnoses (schizophrenia, schizoaffective, OCD, or bipolar disorder)
  • Chronic use of anti-inflammatory drugs and corticosteroids
  • Current use of anticoagulants
  • Not speaking Dutch

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Behandling
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Fyrdubbla

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: Celecoxib

Celecoxib 400 mg/day, 2 capsules (200 mg) daily, 12 weeks

Celecoxib add-on (400mg daily) add-on to treatment as usual (standard antidepressant treatment)

Andra namn:
  • Celecoxib, ATC M01AH01
Placebo-jämförare: Placebo

Placebo, 2 capsules daily, 12 weeks

Placebo add-on to treatment as usual (standard antidepressant treatment)

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Depressive symptoms severity
Tidsram: 12 weeks

Depressive symptoms severity measured with the Inventory of Depressive Symptomatology - Self Report (IDS-SR; score ranging from 0 to 84, higher scores indicate higher severity of depressive symptoms). Trajectories of depressive symptoms will be modeled via mixed models including bi-weekly assessments

12 weeks

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Number of participants achieving Response
Tidsram: 12 weeks

Response is defined as 50% reduction in depressive symptoms severity measured with Inventory of Depressive Symptomatology - Self Report (IDS-SR; score ranging from 0 to 84, higher scores indicate higher severity of depressive symptoms)

12 weeks
Number of participants achieving Remission
Tidsram: 12 weeks

Remission is defined as absence of DSM-5 Major Depressive Disorder (MDD), identified using the Mini International Neuropsychiatric Interview - Simplified (MINI-S voor DSM-5 Nederlandse versie 2019)

12 weeks
Symptom profile: atypical, energy-related depressive symptoms (AES)
Tidsram: 12 weeks

AES measured with 5 items (N 4, 12, 14, 20, 30) of the Inventory of Depressive Symptomatology - Self Report (IDS-SR). AES score ranging from 0 to 15, higher scores indicate higher severity of depressive symptoms.

12 weeks

Andra resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Fatigue
Tidsram: 12 weeks

Fatigue measured by the Checklist Individuele Spankracht (CIS), which assess fatigue in 4 subscales: subjective experience of fatigue, reduction in motivation, reduction in activity and reduction in concentration. In each domain, higher scores indicate higher fatigue

12 weeks
Food craving
Tidsram: 12 weeks

Food craving measured with General Food Craving Questionnaire Trait (G-FCQ-T; score ranging from 21 to 126, higher scores indicate more intense food craving)

12 weeks
Daytime sleepiness
Tidsram: 12 weeks

Daytime sleepiness measured with the Epsworth Sleepiness Scale (ESS; score ranging from 0 to 24, higher scores indicates higher propensity to daytime sleepiness)

12 weeks
Night-time sleep
Tidsram: 12 weeks

Sleep Duration measured with items 1,2,3 and 4 (self reports of bed time, asleep time, wake-time, sleep duration) of the Pittsburgh Sleep Quality Index (PSQI)

12 weeks
Anxiety symptoms
Tidsram: 12 weeks

Anxiety symptoms measured with General Anxiety Disorder-7 (GAD-7, score ranging from 0 to 21, higher scores indicate higher anxiety)

12 weeks
Functionality
Tidsram: 12 weeks

General functioning and disability measured with the WHO Disability Schedule (WHODAS, score ranging from 12 to 60, higher scores indicate more disability)

12 weeks
Pain severity
Tidsram: 12 weeks

Pain measured by numeric rating scale (score ranging from 0 to 10, higher scores indicate higher pain)

12 weeks
Therapy compliance
Tidsram: 12 weeks

Pill count

12 weeks
Inflammatory and metabolic blood markers
Tidsram: 12 weeks

CRP, IL-6, TNF-α, cholesterol, triglycerides, glucose

12 weeks
Side effects
Tidsram: 12 weeks

Side effects measured with the list applied in the PREDDICT RCT and theThe Antidepressant Side-Effect Checklist (ASEC-21)

12 weeks

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Samarbetspartners

Utredare

  • Huvudutredare: Yuri Milaneschi, PhD, Amsterdam UMC, location VUmc
  • Huvudutredare: Femke Lamers, PhD, Amsterdam UMC, location VUmc

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Allmänna publikationer

Användbara länkar

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Faktisk)

28 september 2022

Primärt slutförande (Faktisk)

19 juni 2026

Avslutad studie (Faktisk)

19 juni 2026

Studieregistreringsdatum

Först inskickad

3 juni 2022

Först inskickad som uppfyllde QC-kriterierna

8 juni 2022

Första postat (Faktisk)

13 juni 2022

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

21 september 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

15 september 2026

Senast verifierad

1 september 2026

Mer information

Termer relaterade till denna studie

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

JA

IPD-planbeskrivning

Individual data collected during the study of participants explicitly agreeing on this possibility trough written informed consent; data will be de-identified

Tidsram för IPD-delning

Immediately following study closure and publication of the main results, no end date.

Kriterier för IPD Sharing Access

Investigators whose proposed use of the data has been approved by an independent review committee identified for this purpose

IPD-delning som stöder informationstyp

  • STUDY_PROTOCOL

Läkemedels- och apparatinformation, studiedokument

Studerar en amerikansk FDA-reglerad läkemedelsprodukt

Nej

Studerar en amerikansk FDA-reglerad produktprodukt

Nej

produkt tillverkad i och exporterad från U.S.A.

Nej

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