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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04789876
Other study ID # HEC 2019/011
Secondary ID NMRR-19-3825-453
Status Completed
Phase N/A
First received
Last updated
Start date November 1, 2019
Est. completion date February 29, 2020

Study information

Verified date March 2021
Source Taylor's University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This multi-centred randomized, open label-controlled trial consists of hemodialysis (HD) patients identified with hyperphosphatemia (>1.78mmol/L). The intervention group received a phosphate mobile app and the control group received one-off dietary counselling for 12 weeks. Serum phosphate was measured pre-and post-intervention.


Description:

This study is a multi-centred randomized, open label-controlled trial where a total of 66 HD patients (33 intervention vs 33 control) with hyperphosphatemia were recruited from government, private and non-governmental organization settings. Patients who consented were subjected to screening for identification of hyperphosphatemia and other eligibility criteria. Patients who fulfilled the inclusion criteria were grouped according to shift and block randomized to either the intervention or control group using a web-based randomiser. The intervention group received a phosphate mobile app for 12 weeks and the control group received one-off phosphate counselling delivered by a dietitian with a phosphate booklet. During the 12 weeks study period, patients in both control and intervention groups were assessed at baseline and 12 weeks for changes in serum phosphorus, serum corrected calcium, phosphate knowledge, dietary intake and phosphate binder adherence. These parameters were compared at baseline and 12 weeks for within- and between-group.


Recruitment information / eligibility

Status Completed
Enrollment 74
Est. completion date February 29, 2020
Est. primary completion date February 29, 2020
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Patients aged 18 years old and above. - Patients were undergoing maintenance HD treatment for more than three months. - Patients were on hemodialysis treatment for 4 hours per session, three times a week. - Kt/V value (a numerical formula value to determine hemodialysis treatment adequacy. K is dialyser clearance of urea, t is dialysis time, and V is the volume of distribution of urea, approximately equal to the patient's total body water) is 1.2 and above each session. - Patients were able to read English or Malay or Mandarin. - Patients were on the single type of phosphate binder. - Patients were having serum phosphorus above 1.78mmol/l and above for more than three months. - Patients were not seen by a dietitian for the past one year for phosphate education. - Patients did not have ward admission for the past three months. - Patients did not have dementia or developmental delay. - Patients owned and able to use a smartphone. - Patients were able to use at least one comprehensive mobile application independently. - Patients had access to the internet/data plan. - Patients were willing to adhere to all study requirements and protocol. - Patients were willing to accept the publication of data without exposing their name. Exclusion Criteria: - Patients were on incremental or acute hemodialysis. - Patients had ward admission three months prior to the study and during the study period. - Patients were terminally ill. - Patients had cognitive impairment or physical disabilities (visual, hand dexterity, etc.) hindering interview and PMA utilisation. - Patients had visual impairment or blind hindering the interview or the use of PMA. - Patients were unable to self-care and dependent. - Patients stayed in an institutionalised setting. - Patients had undergone parathyroidectomy.

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Phosphate mobile app
The phosphate mobile app has the features of i) matching phosphate binder with dietary phosphate intake, ii) educational videos of phosphate management, iii) food database with local food items, iv) record-keeping and goal setting.
Behavioral:
One-off dietary counselling with a phosphate booklet
One-off 45-minute dietary counselling delivered by a dietitian at the baseline of the study. Patients received a complimentary phosphate booklet after the counselling session. The phosphate booklet contains similar educational information as per the phosphate mobile app excluding the matching of phosphate binder with dietary phosphate information.

Locations

Country Name City State
Malaysia Pusat Rawatan Dialisis Islah Batu Caves Selangor
Malaysia Hospital Kuala Lumpur Kuala Lumpur
Malaysia National Kidney Foundation Malaysia Petaling Jaya Selangor

Sponsors (1)

Lead Sponsor Collaborator
Taylor's University

Country where clinical trial is conducted

Malaysia, 

References & Publications (8)

Chan MW, Cheah HM, Mohd Padzil MB. Multidisciplinary education approach to optimize phosphate control among hemodialysis patients. Int J Clin Pharm. 2019 Oct;41(5):1282-1289. doi: 10.1007/s11096-019-00878-4. Epub 2019 Jul 13. — View Citation

Elder GJ, Malik A, Lambert K. Role of dietary phosphate restriction in chronic kidney disease. Nephrology (Carlton). 2018 Dec;23(12):1107-1115. doi: 10.1111/nep.13188. — View Citation

Fakih El Khoury C, Crutzen R, Schols JMGA, Halfens RJG, Karavetian M. A Dietary Mobile App for Patients Undergoing Hemodialysis: Prospective Pilot Study to Improve Dietary Intakes. J Med Internet Res. 2020 Jul 20;22(7):e17817. doi: 10.2196/17817. — View Citation

Ketteler M, Block GA, Evenepoel P, Fukagawa M, Herzog CA, McCann L, Moe SM, Shroff R, Tonelli MA, Toussaint ND, Vervloet MG, Leonard MB. Diagnosis, Evaluation, Prevention, and Treatment of Chronic Kidney Disease-Mineral and Bone Disorder: Synopsis of the Kidney Disease: Improving Global Outcomes 2017 Clinical Practice Guideline Update. Ann Intern Med. 2018 Mar 20;168(6):422-430. doi: 10.7326/M17-2640. Epub 2018 Feb 20. — View Citation

Milazi M, Bonner A, Douglas C. Effectiveness of educational or behavioral interventions on adherence to phosphate control in adults receiving hemodialysis: a systematic review. JBI Database System Rev Implement Rep. 2017 Apr;15(4):971-1010. doi: 10.11124/ — View Citation

Reddy V, Symes F, Sethi N, Scally AJ, Scott J, Mumtaz R, Stoves J. Dietitian-led education program to improve phosphate control in a single-center hemodialysis population. J Ren Nutr. 2009 Jul;19(4):314-20. doi: 10.1053/j.jrn.2008.11.001. — View Citation

Umeukeje EM, Mixon AS, Cavanaugh KL. Phosphate-control adherence in hemodialysis patients: current perspectives. Patient Prefer Adherence. 2018 Jul 4;12:1175-1191. doi: 10.2147/PPA.S145648. eCollection 2018. Review. — View Citation

Vrdoljak I, Panjkota Krbavcic I, Bituh M, Leko N, Pavlovic D, Vrdoljak Margeta T. The impact of education and cooking methods on serum phosphate levels in patients on hemodialysis: 1-year study. Hemodial Int. 2017 Apr;21(2):256-264. doi: 10.1111/hdi.12468 — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Changes in serum phosphorus Effect of intervention on serum phosphorus Baseline, 12 weeks
Secondary Changes in phosphate knowledge A questionnaire used to assess phosphate knowledge and contained 18 questions related to phosphate treatment, disease pathophysiology, dialysis treatment, phosphate binder, dietary phosphate and responsibility. The questionnaire was an expert validated phosphate questionnaire with back-to-back-translation for English, Malay, and Chinese questionnaire. Each correct response was awarded 1 point, and all correct answers were summed to achieve a total score. The possible total score ranged from 0 to 18. All subjects completed this questionnaire at baseline and 12-week after the intervention. Baseline, 12 weeks
Secondary Changes in dietary intake Dietary energy intake (kcal/day and kcal/kg body weight/day), dietary protein intake (g/day and g/kg body weight/day) and dietary phosphate (mg/day) assessed using a 3-day dietary record method at baseline and 12-week after the intervention. Baseline, 12 weeks
Secondary Changes in phosphate binder adherence Phosphate binder adherence measured using the 4-item Morisky Medication Adherence Scale (MMAS) at baseline and 12-week after the intervention. Baseline, 12 weeks
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