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 @ 11:54 PM
Ignite Modification Date: 2025-12-24 @ 11:54 PM
NCT ID: NCT01858051
Eligibility Criteria: Inclusion Criteria: * Male or female * Age ≥18 years * English or Spanish speaking * Scheduled for preoperative clinic assessment * Scheduled to have elective hip or knee joint replacement surgery * Not taking more than 1000 IU of either cholecalciferol or ergocalciferol daily Exclusion Criteria: * Unable to provide consent * Inability to comply with study protocol * History of anemia (hematocrit \<25%) * History of renal stones or hypercalcemia * Conditions that can cause hypercalcemia (e.g. metastatic cancer, sarcoidosis, myeloma) * Medications that affect vitamin D metabolism (e.g. anti-epileptics, tuberculosis medication) * Already enrolled or planning to enroll in a research study that would conflict with full participation in the current study or confound the observation or interpretation of the study findings
Healthy Volunteers: False
Sex: ALL
Minimum Age: 18 Years
Maximum Age: 100 Years
Study: NCT01858051
Study Brief:
Protocol Section: NCT01858051