Simvastatin add-on Treatment to Standard Antidepressant Therapy in Patients With Comorbid Obesity and Major Depression (SIMCODE)

  • STATUS
    Recruiting
  • End date
    Jun 26, 2023
  • participants needed
    160
  • sponsor
    Charite University, Berlin, Germany
Updated on 1 March 2022
diabetes
cardiovascular disease
insulin
ketamine
body mass index
depression
bipolar disorder
psychiatric disorder
antidepressants
psychotropic drugs
suicide
depressive episode
schizophrenia
major depressive disorder
citalopram
bariatric surgery
electroconvulsive therapy
antidepressant therapy

Summary

Major depressive disorder (MDD) and obesity are major contributors to impaired health worldwide. Statins are among the most prescribed medications with well-established safety and efficacy. Statins are recommended in primary prevention of cardiovascular disease, which has been linked to both MDD and obesity. Moreover, statins are promising candidates to treat MDD because a meta-analysis of pilot randomized controlled trials has found antidepressive effects of statins as adjunct therapy to antidepressants. However, no study so far has tested the antidepressive potential of statins in patients with MDD and comorbid obesity. Therefore, we hypothesize that Simvastatin add-on to standard antidepressant Escitalopram will improve depression to a greater extent than add-on placebo in patients with comorbid obesity and major depression. We will randomize 160 obese MDD patients at 8 recruiting centers to either Simvastatin or placebo as add-on to Escitalopram for 12 weeks. If successful, our trial would have immediate impact on clinical practice given the fact that Simvastatin and Escitalopram are available as inexpensive generic drugs with established safety.

Details
Condition Depressive Disorder, Major, Obesity
Treatment simvastatin 40mg, Placebo Oral Tablet
Clinical Study IdentifierNCT04301271
SponsorCharite University, Berlin, Germany
Last Modified on1 March 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Written informed consent is present
The patient has the capacity to give consent (He/she is able to understand the nature and anticipated effects/side effects of the proposed medical intervention)
The patient has a major depressive episode according to DSM 5 (Diagnostic and Statistical Manual of Mental Disorders 5th Edition)
The patient has a score of 18 in the Montgomery-Asberg Depression Rating Scale (MADRS)
The patient has a body mass index 30
The patient's age is between 18 and 65 years ( 18 und 65)
The patient has not given childbirth within the 6 months prior to study entry and is not breastfeeding
In case of non-psychotropic medication: The patient received stable pharmacological medication for at least 14 days prior to study entry (any changes in medication dose or frequency of therapy must be answered with no)
The patient did not take antidepressants during the last 7 days prior to study entry (discontinuation of effective medication to enable study participation is prohibited)
The patient did not receive prior treatment with Escitalopram in index episode
The patient had less than three (<3) trials with antidepressants in index episode
The patient does not have a history of non-response to Escitalopram
The patient did not receive treatment with ketamine, irreversible MAO inhibitor (e.g. tranylcypromine), electroconvulsive therapy (ECT) or other stimulatory treatments in index episode
The patient does not meet any of the following criteria: schizophrenia, schizoaffective disorder, bipolar disorder
The patient is not diagnosed with dementia and does not have moderate or severe impairment of general cognitive function according to clinical impression
The patient does not have clinically relevant elevated liver enzymes [GOT or GPT > 3 x upper limit normal (ULN)] and does not have elevated Carbohydrate Deficient Transferrin (CDT) 2.4 %
The patient does not meet the criteria for alcohol use disorder (DSM-5: 303.90; ICD-10: F10.20) or substance use disorder (DSM-5: 304; ICD-10: F11.20 - F19.20) in M.I.N.I. for DSM-5 and a urine/serum drug screening is negative (except for benzodiazepines and opiates)
The patient does not have a history of suicide attempt
The patient does not have diagnosed epilepsy or increased bleeding diathesis or a history of angle closure glaucoma or other glaucomas
The patient did not have bariatric surgery prior to study entry
The patient does not have a known allergy or contraindication against Escitalopram or Simvastatin
The patient does not meet any of the following criteria: hereditary muscle disease, known history of rhabdomyolysis, elevated creatine kinase (CK) outside of the sex-specific reference intervals, history of muscular symptoms under treatment with statins or fibrates
The patient does not have elevated TSH level outside of the age- and sex-specific refer-ence intervals
The patient does not have insulin-dependent diabetes mellitus
The patient does not have uncontrolled hepatic disorder, renal or cardiovascular disease
The patient does not have untreated hypothyroidism
The patient does not have a history of myocardial infarction or stroke
The patient does not have symptomatic peripheral arterial disease
The patient does not have monogenic familial hypercholesterolemia
The patient does not have clinically significant laboratory abnormalities
The patient did not participate in other interventional trials during the 6 months before and at the time of this trial
The patient is not an employee of the investigator study site, or a family member of the employees or the investigator, or otherwise dependent on the sponsor, the investigator or the investigator study site

Exclusion Criteria

The patient has current use of statins (for visits 2-6 applies: except for IMP Simvastatin)
The patient has current use of antidepressants (for visits 2-6 applies: except for standard medication Escitalopram)
The patient has acute suicidal tendencies (MADRS Item 10 > 4)
The patient uses potent CYP3A4-inhibitors (e.g. clarithromycin, erythromycin, HIV protease inhibitors - see "Risks, adverse drug reactions, drug interactions, restrictions, contraindications, procedures in case of emergency")
The patient uses potent CYP3A4 inductors (Carbamazepine, Efavirenz, Nevirapine, Etravirine)
The patient uses Fibrates, Amiodarone, Amlodipine, Verapamil, Fluconazol, Diltiazem, Fusidic acid, Niacin or Lomitapide or BCRP-Inhibitors (e.g. Elbasvir or Grazoprevir)
The patient uses Gemfibrozil, Ciclosporin or Danazol
The patient has known hypersensitivity to other ingredients of Simvastatin and Escitalopram [butylated hydroxyanisole, microcrystalline celluose, citric acid, starch, lactose, magnesium stearate, hypromellose, talc, titanium dioxide, iron oxides, colloidal silicon dioxide, croscarmellose sodium, polyethylene glycol]
The patient uses medication that is associated with QTc-prolongation [antiarrhythmics class IA and III, antipsychotics (e.g. Haloperidol), phenothiazines, tricyclic antidepressants, antibiotics (e.g. Moxifloxacin), and certain antihistaminergic drugs (e.g. Astemizol, Mizolastine)]
The patient has clinically significant abnormalities in 12-lead ECG (e.g. QTc-prolongation 500 ms or increase 60 ms from baseline visit)
The patient is pregnant
The patient with childbearing potential is not willing to use an acceptable form of contraception (defined as Pearl index < 1)
The patient has current use of psychotropic medication (e.g. antipsychotics, anticonvulsants, lithium or St. John's Wort) except for benzodiazepines, non-benzodiazepines and opiates
The patient uses nonselective, irreversible monoamine oxidase (MAO) inhibitor (e.g. Tranylcypromine) or selective, reversible inhibitor of monoamine oxidase A (e.g. Moclobemide) or the nonselective, reversible monoamine oxidase inhibitor Linezolid
The patient is unwilling to consent to saving, processing and propagation of pseudonymized medical data for study reasons
The patient is legally detained in an official institution
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