low glycemic index, whole grained rice compounded low protein diet compared to standard low protein diet in patients with chronic kidney disease stage 3-4

Effect of low glycemic index, whole grained rice in CKD stage 3-4: A Double-blinded Randomized Controlled Trial.

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

TCTR

Registry ID

TCTR20211019001

Enrollment

Registered

2021-10-19

Start date

2021-12-06

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

chronic kidney disease stage 3-4 chronic kidney disease dietary phosphorus fibroblast growth factor 23 parathyroid hormone

Interventions

The subjects are assigned to take 2 meals of study menu contained of low glycemic index, whole grained rice and 1 meal of their design which the calories and nutritional dietary plans are designed by

Experimental Biological/Vaccine,Active Comparator Biological/Vaccine

low glycemic index, whole grained rice ,white rice

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Chronic kidney disease stage 3-4 (estimated GFR 15-59 mL/min/1.73 m2)

Exclusion criteria

Exclusion criteria: intact PTH >200 pg/mL serum phosphorus >5.0 mg/dL serum albumin < 3.0 g/dL serum potassium >5.2 mEq/L chronic diarrhea, gut obstruction or bypass surgery of small bowel/large bowel Previous surgery/radiation of parathyroid glands or thyroid glands Prescribed aluminum based, or calcium based medication, active vitamin D or vitamin D analogs

Design outcomes

Primary

Measure	Time frame
parathyroid hormone 3 months pg/mL,Fibroblast growth factor-23 3 months pmol/L	—

Secondary

Measure	Time frame
serum calcium 3 months mg/dL,serum phosphate 3 months mg/dL,Fractional excretion of phosphate 3 months percent	—

Countries

Thailand

Contacts

Public ContactKraiwiporn Kiattisunthorn

Faculty of Medicine Siriraj Hospital

kraiwiporn.kia@mahidol.ac.th0833026678

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026