Age | Protocol Compliance Ability
Item
men and women 18 years of age or greater and able to comply with the study protocol.
boolean
C0001779 (UMLS CUI [1])
C0525058 (UMLS CUI [2,1])
C0085732 (UMLS CUI [2,2])
Estimated Glomerular Filtration Rate | Chronic Kidney Disease Stage | Estimated Glomerular Filtration Rate Study Subject Normal
Item
egfr within appropriate target ranges (15-40 ml/min/m² for late stage ckd stage 3 stage 4, and egfr > 60 ml/min/m² for normal subjects)
boolean
C3811844 (UMLS CUI [1])
C1561643 (UMLS CUI [2,1])
C2074731 (UMLS CUI [2,2])
C3811844 (UMLS CUI [3,1])
C0681850 (UMLS CUI [3,2])
C0205307 (UMLS CUI [3,3])
Renal function Stable | Estimated Glomerular Filtration Rate
Item
stable kidney function defined as an egfr which remains within a 10ml/min range over a 3 to 6 month period prior to study enrollment. this will be determined from historical laboratory data.
boolean
C0232804 (UMLS CUI [1,1])
C0205360 (UMLS CUI [1,2])
C3811844 (UMLS CUI [2])
Protocol Compliance Willing
Item
willing to follow study protocol
boolean
C0525058 (UMLS CUI [1,1])
C0600109 (UMLS CUI [1,2])
Comprehension Study Protocol | Compliance behavior
Item
have a level of understanding and willingness to cooperate with all visits and procedures as described by the study personnel
boolean
C0162340 (UMLS CUI [1,1])
C2348563 (UMLS CUI [1,2])
C1321605 (UMLS CUI [2])
Patient's condition stable | Absence Condition Protocol Compliance Difficult | Absence Malignant Neoplasms | Absence Metabolic Diseases | Absence Gastrointestinal Disease
Item
overall stable medical condition, defined as no malignancy, metabolic condition or gastrointestinal condition that would make it difficult to comply with the study protocol and complete both dietary study periods
boolean
C1282982 (UMLS CUI [1])
C0332197 (UMLS CUI [2,1])
C0348080 (UMLS CUI [2,2])
C0525058 (UMLS CUI [2,3])
C0332218 (UMLS CUI [2,4])
C0332197 (UMLS CUI [3,1])
C0006826 (UMLS CUI [3,2])
C0332197 (UMLS CUI [4,1])
C0025517 (UMLS CUI [4,2])
C0332197 (UMLS CUI [5,1])
C0017178 (UMLS CUI [5,2])
Informed Consent
Item
able to read the consent form and provide informed consent.
boolean
C0021430 (UMLS CUI [1])
Serum calcium normal | Normal serum phosphorus | Vitamin D Analog Absent | Calcium supplement Absent | Phosphate Binder Absent
Item
serum calcium and phosphorus within the normal range off of vitamin d analogues, calcium supplements, and phosphate binders for 1 month.
boolean
C0858094 (UMLS CUI [1])
C1859276 (UMLS CUI [2])
C2917444 (UMLS CUI [3,1])
C0332197 (UMLS CUI [3,2])
C3661604 (UMLS CUI [4,1])
C0332197 (UMLS CUI [4,2])
C2267031 (UMLS CUI [5,1])
C0332197 (UMLS CUI [5,2])
Age
Item
1. age less than 18 years
boolean
C0001779 (UMLS CUI [1])
Pregnancy | Pregnancy, Planned | Breast Feeding
Item
are pregnant, plan on becoming pregnant during the study period, or breast-feeding, if female.
boolean
C0032961 (UMLS CUI [1])
C0032992 (UMLS CUI [2])
C0006147 (UMLS CUI [3])
Refusal to Participate
Item
patient declines participation.
boolean
C1136454 (UMLS CUI [1])
Malabsorption gastrointestinal | Short Bowel Syndrome | Frequent vomiting | Gastroparesis
Item
gi malabsorption, short bowel syndrome, frequent vomiting, or gastroparesis.
boolean
C3714745 (UMLS CUI [1,1])
C0521362 (UMLS CUI [1,2])
C0036992 (UMLS CUI [2])
C1857202 (UMLS CUI [3])
C0152020 (UMLS CUI [4])
Parathyroid Hormone synthetic | Glucocorticoids | Calcitonin | Diphosphonates
Item
subject receiving synthetic parathyroid hormone, glucocorticoids, calcitonin or bisphosphonates.
boolean
C0030520 (UMLS CUI [1,1])
C1883254 (UMLS CUI [1,2])
C0017710 (UMLS CUI [2])
C0006668 (UMLS CUI [3])
C0012544 (UMLS CUI [4])