Eligibility Module

Eligibility Module

The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.

Eligibility Module path is as follows:

Study -> Protocol Section -> Eligibility Module

Eligibility Module


Ignite Creation Date: 2025-12-24 @ 6:43 PM
Ignite Modification Date: 2025-12-24 @ 6:43 PM
NCT ID: NCT01653457
Eligibility Criteria: Inclusion Criteria: 1. Male or female aged between 18 and 65 years. 2. Ability to understand Spanish. 3. Diagnosis of fibromyalgia carried out by a rheumatologist according to the American College of rheumatology criteria (ACR1990). 4. Ability to read and understand the Patient Information Sheet 5. Signature of Informed Consent Form. 6 .In the case of women of childbearing age, commitment not to become pregnant during the entire duration of the study. Exclusion Criteria: 1. Undergoing drug treatment for fibromyalgia. Patients undergoing treatment for fibromyalgia will stop treatment and perform a washout period of one week. During that week the patient may take, if necessary, analgesic such as paracetamol, ibuprofen and other NSAIDS to minimize the influence of medication on brain imaging. 2. Currently taking memantine or having taken memantine during the 2 months prior to recruitment. 3. Another Axis I psychiatric disorder using SCID-I that might hinder adherence to the protocol (e.g.: dementia, alcohol and/or substance abuse/dependence, schizophrenia, chronic delirium, acute depression). 4. Pregnancy or breast-feeding. 5. Hypersensitivity to the active ingredient, memantine, or to the excipients. 6. Medical conditions that require special precautions when administering memantine according to the summary of product characteristics: * Epilepsy. * Circumstances that may cause high urine pH owing to Proteus urinary infection, renal tubular acidosis or vegetarian diet, recent myocardial infarction, congestive heart disease and uncontrolled arterial hypertension. 7. Clinically significant and active evidence of liver or kidney disease, haematological, respiratory, endocrine or cardiovascular disease or disorders (patients with controlled diabetes and patients with controlled hypertension and complete or incomplete right bundle branch block can be included in the study). 8. Use of prescription drugs that may cause relevant drug interactions with memantine according to the summary of product characteristics: NMDAR antagonists (amantadine, ketamine, dextromethorphan), L-Dopa, dopamine agonists and cholinergic agonists. 9. Use of non-permitted concomitant medication during the week prior to the first evaluation visit or when the patient is expected to require treatment (with at least one of the drugs not permitted during the study): antidepressants (duloxetine, venlafaxine, mirtazapine, bupropion, SSRI, etc.), analgesics (pregabalin, gabapentin, opiates, etc.)
Healthy Volunteers: False
Sex: ALL
Minimum Age: 18 Years
Maximum Age: 65 Years
Study: NCT01653457
Study Brief:
Protocol Section: NCT01653457