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 @ 6:47 PM
Ignite Modification Date: 2025-12-24 @ 6:47 PM
NCT ID: NCT02251457
Eligibility Criteria: Inclusion Criteria: * Diagnosis of myotonia congenital, paramyotonia congenital or Myotonic Dystrophy Type 1 established by genetic testing in the subject or in a first-degree relative. * Clinically evident myotonia Exclusion Criteria: * Contraindications to ranolazine use: * for fungus infection: ketoconazole (Nizoral), itraconazole (Sporanox, Onmel) * for infection: clarithromycin (Biaxin) * for depression: nefazodone * for HIV: nelfinavir (Viracept), ritonavir (Norvir), lopinavir and ritonavir (Kaletra), indinavir (Crixivan), saquinavir (Invirase). * for tuberculosis (TB): rifampin (Rifadin), rifabutin (Mycobutin), rifapentine (Priftin) * for seizures: phenobarbital, phenytoin (Phenytek, Dilantin, Dilantin-125), carbamazepine (Tegretol) * the herbal supplement St. John's wort * you have scarring (cirrhosis) of your liver * Concurrent use of mexiletine, lacosamide, acetazolamide, phenytoin, quinine, procainamide, Saint John wort or tocainide. Patients who were previously treated with these medications may participate. They need to be off of the medication for at least a week prior to enrollment. * QTc \>470 ms for men and \>480 ms for women. * Women who are pregnant or breastfeeding * Direct family history of sudden cardiac death
Healthy Volunteers: False
Sex: ALL
Minimum Age: 18 Years
Maximum Age: 100 Years
Study: NCT02251457
Study Brief:
Protocol Section: NCT02251457