Painful Diabetic NeuropathyPhase 2/3NCT04689958
The Benefits of Vitamin D 5000 IU as Add on Therapy in the Management of Painful Diabetic Neuropathy Patient
A Phase 2/3 study testing Standard therapy and Vitamin D 5,000IU Oral Tablet in people with Painful Diabetic Neuropathy, run by Duta Wacana Christian University at 1 site in Indonesia.
Trial summary
Diabetic neuropathy is one of the micro-vascular complications of diabetes, 30-50% occurring in all diabetic patients. This complication is one of the major cause of morbidity and mortality in diabetic patientsand leading to a deterioration of their quality life. Read more about this study
- Who is it for?
- Ages 19 years and older
- Conditions the study is for
- Painful Diabetic Neuropathy
- What is being tested?
- Standard therapy and Vitamin D 5,000IU Oral Tablet
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 60 participants
- Where
- 1 siteIndonesia
- Study dates
- 3 Nov 2020to Nov 2021
- Phase
- Phase 2/3
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 19 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Male or female
- Adult age (>18 years old)
- Diagnosed as painful diabetic neuropathy based on validated Diabetic Neuropathy Symptoms (DNS) and Diabetic Neuropathy Examination (DNE)
- Low vitamin D status of <30 ng/ml
Who cannot join
- Subjects with significant renal and liver problem
- Subjects with known hypersensitivity to vitamin D 5000 IU
- Pregnancy and breastfeeding patients
- Patients that enrolled any clinical trial within a month
- Not competent enough in giving approval and answering questionnaires
Trial locations and contacts
1 site in 1 country.
Indonesia1 site, 1 recruiting
- Recruiting
Bethesda Hospital Yogyakarta
Yogyakarta, Special Region of Yogyakarta, 55224
Rizaldy T Pinzon, MD, MSc, PhD, +62 81294638229, drpinzon17@gmail.com
About this study
Official title: The Benefits of Vitamin D 5000 IU as Add on Therapy in the Management of Painful Diabetic Neuropathy Patient: Randomized Clinical Trial
Diabetic neuropathy is one of the micro-vascular complications of diabetes, 30-50% occurring in all diabetic patients. This complication is one of the major cause of morbidity and mortality in diabetic patientsand leading to a deterioration of their quality life. A deficiency of vitamin D [25-hydroxyvitamin D, 25(OH) D] is common in patient with diabetes and low concentrations are associated with the presence and severity of sensory neuropathy in diabetes. Vitamin D deficiency has been shown to be an independent risk factor for diabetic peripheral neuropathy (DPN). Topical and oral vitamin D have been reported significantly reduce the symptoms and the pain of DPN. However, no case control clinical trial have been reported that demonstrate the efficacy of vitamin D supplementation on the symptoms of DPN.
Painful in diabetic neuropathy is a major complication of diabetes, characterized by pain, tingling, burning and cramps in the lower legs and feet with a signification reduction in quality of life. Recently, there shown a significant reduction in the severity of painful diabetic neuropathy after treatment with vitamin D. Patient with diabetes have a poor quality of life compared to person without diabetes. The current study assessed the benefits of add on oral vitamin D 5000 IU on diabetic neuropathy patient to pain impact in daily life.
Read the detailed description
This was randomized clinical trial, active comparator, open label, controlled study from the period of November 2020 - November 2021 at Bethesda Hospital, Yogyakarta, Indonesia.
There were 60 painful diabetic neuropathy patients who fulfilled the inclusion and exclusion criteria. Each subject had been followed up from the first day of medication administration until 8 weeks after medication administration.
Ethical approval number ((kosong)) was obtained from Health Research Ethics Committee, Bethesda Hospital Yogyakarta.
The hypothesis of this study:
- Add on oral vitamin D 5000 IU to standard treatment in patients with painful diabetic neuropathy is more effective in reducing pain and neuropathic symptoms in 8 weeks of treatment compared with standard treatment, b. Add on oral vitamin D 5000 IU to standard treatment in patients with painful diabetic neuropathy is as safe as standard treatment.
- Conditions
- Painful Diabetic Neuropathy
- Being tested
- Standard therapy, Vitamin D 5,000IU Oral Tablet
- Keywords
- Vitamin D, Standard therapy, Neuropathy, Diabetic neuropathy
- Medical subject headings
- Diabetic Neuropathies
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Standard therapyDrug
Gabapentin, pregabalin, or amitriptyline
Vitamin D 5,000IU Oral TabletDrug
Vitamin D 5000 IU oral tablet once daily
| Study group | Role | What they receive |
|---|---|---|
| Experimental Group | Experimental | Receive standard therapy consists of gabapentin, pregabalin, or amitriptyline and vitamin D 5000 IU once daily (experimental group). Receives: Drug: Standard therapy; Drug: Vitamin D 5,000IU Oral Tablet |
| Control Group | Active comparator | Receive standard therapy consists of gabapentin, pregabalin, or amitriptyline Receives: Drug: Standard therapy |
What is being measured
The primary outcome is the main question the study is designed to answer.
Improvement in Visual Analogue Scale (VAS) at week 4
Change in pain impact on daily life as measured by Visual Analogue Scale (VAS) from its baseline value. Visual analogue scale is a continuous scale comprised of a horizontal or vertical line, usually 10 centimeters (100 mm) in length, anchored by 2 verbal descriptors, one for each symptom extreme. The scale is most commonly anchored by "no pain" (score of 0) and "pain as bad as it could be" or "worst imaginable pain" (score of 100). The respondent is asked to place a line perpendicular to the VAS line at the point that represents their pain intensity. Using a ruler, the score is determined by measuring the distance (mm) on the 10-cm line between the "no pain" anchor and the patient's mark, providing a range of scores from 0-100. A higher score indicates greater pain intensity.
Measured: 4 weeks after treatment initiation
Improvement in Visual Analogue Scale (VAS) at week 8
Change in pain impact on daily life as measured by Visual Analogue Scale (VAS) from its baseline and week 4 value. Visual analogue scale is a continuous scale comprised of a horizontal or vertical line, usually 10 centimeters (100 mm) in length, anchored by 2 verbal descriptors, one for each symptom extreme. The scale is most commonly anchored by "no pain" (score of 0) and "pain as bad as it could be" or "worst imaginable pain" (score of 100). The respondent is asked to place a line perpendicular to the VAS line at the point that represents their pain intensity. Using a ruler, the score is determined by measuring the distance (mm) on the 10-cm line between the "no pain" anchor and the patient's mark, providing a range of scores from 0-100. A higher score indicates greater pain intensity.
Measured: 8 weeks after treatment initiation
Improvement in Numeric Pain Scale at week 4
Change in pain impact on daily life as measured by Numeric Pain Scale from its baseline value. Numeric pain scale is a segmented numeric version of the visual analog scale (VAS) in which a respondent selects a whole number (0-10 integers) that best reflects the intensity of his/her pain. Higher scores indicating greater pain intensity.
Measured: 4 weeks after treatment initiation
Improvement in Numeric Pain Scale at week 8
Change in pain impact on daily life as measured by Numeric Pain Scale from its baseline and week 4 value. Numeric pain scale is a segmented numeric version of the visual analog scale (VAS) in which a respondent selects a whole number (0-10 integers) that best reflects the intensity of his/her pain. Higher scores indicating greater pain intensity.
Measured: 8 weeks after treatment initiation
Improvement in Brief Pain inventory at week 4
Change in pain impact on daily life as measured by Brief Pain Inventory from its baseline value. The Brief Pain Inventory evaluates a patient's pain experience through a number of different scales. There are line drawings of the front and back of a human body on which patients mark the location of their pain. Patients are asked to list the treatments or medications that they are using and how much relief they have provided in the past 24 hours. In addition, patients fill out 11 different numeric rating scale that ask about pain intensity (ranging from 0 to 10) and the effect of the pain on their ability to function during various activities of daily living. A higher score indicates greater pain intensity.
Measured: 4 weeks after treatment initiation
Improvement in Brief Pain inventory at week 8
Change in pain impact on daily life as measured by Brief Pain Inventory from its baseline and week 4 value. The Brief Pain Inventory evaluates a patient's pain experience through a number of different scales. There are line drawings of the front and back of a human body on which patients mark the location of their pain. Patients are asked to list the treatments or medications that they are using and how much relief they have provided in the past 24 hours. In addition, patients fill out 11 different numeric rating scale that ask about pain intensity (ranging from 0 to 10) and the effect of the pain on their ability to function during various activities of daily living. A higher score indicates greater pain intensity.
Measured: 8 weeks after treatment initiation
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted30 Dec 2020
- Study start3 Nov 2020
- Primary completionNov 2021 (estimated)
- Study completionNov 2021 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (10)Papers the sponsor has linked to this study.
- Other trials for Painful Diabetic NeuropathyStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 2/3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Model description
- Eligible subjects were randomly allocated to receive any of the following regiments: standard therapy consists of pregabalin, gabapentine, or amitriptyline (control group) or standard therapy and vitamin D 5000 IU tablet once daily (experimental group).
- Masking
- None (open label)
- Enrolment
- 60 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Duta Wacana Christian University
- Sponsor type
- University, hospital or other
- Collaborators
- PT SOHO Global Health Tbk
- Responsible party
- Principal investigator, Rizaldy Taslim Pinzon, Duta Wacana Christian University
- Investigators
- Rizaldy T Pinzon, MD, MSc, PhD, Principal investigator, Duta Wacana Christian University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04689958
- Sponsor's protocol ID
- VITAMIND5000IU
- Status last verified
- Dec 2020
- First submitted
- 19 Dec 2020
- Last updated
- 30 Dec 2020
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Ghadiri-Anari A, Mozafari Z, Gholami S, Khodaei SA, Aboutorabi-Zarchi M, Sepehri F, Nadjarzade A, Rahmanian M, Namiranian N. Dose vitamin D supplementations improve peripheral diabetic neuropathy? A before-after clinical trial. Diabetes Metab Syndr. 2019 Jan-Feb;13(1):890-893. doi: 10.1016/j.dsx.2018.12.014. Epub 2018 Dec 20.
PubMed 30641826Shehab D, Al-Jarallah K, Abdella N, Mojiminiyi OA, Al Mohamedy H. Prospective evaluation of the effect of short-term oral vitamin d supplementation on peripheral neuropathy in type 2 diabetes mellitus. Med Princ Pract. 2015;24(3):250-6. doi: 10.1159/000375304. Epub 2015 Feb 26.
PubMed 25720672Shehab D, Al-Jarallah K, Mojiminiyi OA, Al Mohamedy H, Abdella NA. Does Vitamin D deficiency play a role in peripheral neuropathy in Type 2 diabetes? Diabet Med. 2012 Jan;29(1):43-9. doi: 10.1111/j.1464-5491.2011.03510.x.
PubMed 22050401Soderstrom LH, Johnson SP, Diaz VA, Mainous AG 3rd. Association between vitamin D and diabetic neuropathy in a nationally representative sample: results from 2001-2004 NHANES. Diabet Med. 2012 Jan;29(1):50-5. doi: 10.1111/j.1464-5491.2011.03379.x.
PubMed 21726279Valensi P, Le Devehat C, Richard JL, Farez C, Khodabandehlou T, Rosenbloom RA, LeFante C. A multicenter, double-blind, safety study of QR-333 for the treatment of symptomatic diabetic peripheral neuropathy. A preliminary report. J Diabetes Complications. 2005 Sep-Oct;19(5):247-53. doi: 10.1016/j.jdiacomp.2005.05.011.
PubMed 16112498Lee P, Chen R. Vitamin D as an analgesic for patients with type 2 diabetes and neuropathic pain. Arch Intern Med. 2008 Apr 14;168(7):771-2. doi: 10.1001/archinte.168.7.771. No abstract available.
PubMed 18413561Bell DS. Reversal of the Symptoms of Diabetic Neuropathy through Correction of Vitamin D Deficiency in a Type 1 Diabetic Patient. Case Rep Endocrinol. 2012;2012:165056. doi: 10.1155/2012/165056. Epub 2012 Dec 12.
PubMed 23304571Basit A, Basit KA, Fawwad A, Shaheen F, Fatima N, Petropoulos IN, Alam U, Malik RA. Vitamin D for the treatment of painful diabetic neuropathy. BMJ Open Diabetes Res Care. 2016 Feb 10;4(1):e000148. doi: 10.1136/bmjdrc-2015-000148. eCollection 2016.
PubMed 27026808Alam U, Fawwad A, Shaheen F, Tahir B, Basit A, Malik RA. Improvement in Neuropathy Specific Quality of Life in Patients with Diabetes after Vitamin D Supplementation. J Diabetes Res. 2017;2017:7928083. doi: 10.1155/2017/7928083. Epub 2017 Dec 28.
PubMed 29445752Pinzon RT, Wijaya VO, Veronica V. The Benefits of Add-on Therapy of Vitamin D 5000 IU to the Vitamin D Levels and Symptoms in Diabetic Neuropathy Patients: A Randomized Clinical Trial. J Pain Res. 2021 Dec 19;14:3865-3875. doi: 10.2147/JPR.S341862. eCollection 2021.
PubMed 34984028
Study at a glance
From the registry record, last updated by the sponsor on 30 Dec 2020. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- The Benefits of Vitamin D 5000 IU as Add on Therapy in the Management of Painful Diabetic Neuropathy Patient: Randomized Clinical Trial
- ClinicalTrials.gov ID
- NCT04689958
- Acronym / sponsor ID
- VITAMIND5000IU
- Conditions
- Painful Diabetic Neuropathy
- Keywords
- Vitamin D, Standard therapy, Neuropathy, Diabetic neuropathy
- Phase
- Phase 2/3
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 60 participants (estimated)
- Lead sponsor
- Duta Wacana Christian UniversityUniversity, hospital or other
- Collaborators
- PT SOHO Global Health Tbk
- Study start
- 3 Nov 2020 (actual)
- Primary completion
- Nov 2021 (estimated)
- Study completion
- Nov 2021 (estimated)
- First posted
- 30 Dec 2020 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Diabetic neuropathy is one of the micro-vascular complications of diabetes, 30-50% occurring in all diabetic patients. This complication is one of the major cause of morbidity and mortality in diabetic patientsand leading to a deterioration of their quality life. A deficiency of vitamin D [25-hydroxyvitamin D, 25(OH) D] is common in patient with diabetes and low concentrations are associated with the presence and severity of sensory neuropathy in diabetes. Vitamin D deficiency has been shown to be an independent risk factor for diabetic peripheral neuropathy (DPN). Topical and oral vitamin D have been reported significantly reduce the symptoms and the pain of DPN. However, no case control clinical trial have been reported that demonstrate the efficacy of vitamin D supplementation on the symptoms of DPN.
Painful in diabetic neuropathy is a major complication of diabetes, characterized by pain, tingling, burning and cramps in the lower legs and feet with a signification reduction in quality of life. Recently, there shown a significant reduction in the severity of painful diabetic neuropathy after treatment with vitamin D. Patient with diabetes have a poor quality of life compared to person without diabetes. The current study assessed the benefits of add on oral vitamin D 5000 IU on diabetic neuropathy patient to pain impact in daily life.
Detailed description
This was randomized clinical trial, active comparator, open label, controlled study from the period of November 2020 - November 2021 at Bethesda Hospital, Yogyakarta, Indonesia.
There were 60 painful diabetic neuropathy patients who fulfilled the inclusion and exclusion criteria. Each subject had been followed up from the first day of medication administration until 8 weeks after medication administration.
Ethical approval number ((kosong)) was obtained from Health Research Ethics Committee, Bethesda Hospital Yogyakarta.
The hypothesis of this study:
- Add on oral vitamin D 5000 IU to standard treatment in patients with painful diabetic neuropathy is more effective in reducing pain and neuropathic symptoms in 8 weeks of treatment compared with standard treatment, b. Add on oral vitamin D 5000 IU to standard treatment in patients with painful diabetic neuropathy is as safe as standard treatment.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
- Model description
- Eligible subjects were randomly allocated to receive any of the following regiments: standard therapy consists of pregabalin, gabapentine, or amitriptyline (control group) or standard therapy and vitamin D 5000 IU tablet once daily (experimental group).
| Arm | Type | Receives |
|---|---|---|
| Experimental Group | Experimental | Drug: Standard therapy, Drug: Vitamin D 5,000IU Oral TabletReceive standard therapy consists of gabapentin, pregabalin, or amitriptyline and vitamin D 5000 IU once daily (experimental group). |
| Control Group | Active comparator | Drug: Standard therapyReceive standard therapy consists of gabapentin, pregabalin, or amitriptyline |
Who may qualify
- Ages
- 19 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (4 listed)
- Male or female
- Adult age (>18 years old)
- Diagnosed as painful diabetic neuropathy based on validated Diabetic Neuropathy Symptoms (DNS) and Diabetic Neuropathy Examination (DNE)
- Low vitamin D status of <30 ng/ml
Key exclusion criteria (5 listed)
- Subjects with significant renal and liver problem
- Subjects with known hypersensitivity to vitamin D 5000 IU
- Pregnancy and breastfeeding patients
- Patients that enrolled any clinical trial within a month
- Not competent enough in giving approval and answering questionnaires
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Standard therapyGabapentin, pregabalin, or amitriptyline | Drug | Control Group, Experimental Group |
| Vitamin D 5,000IU Oral TabletVitamin D 5000 IU oral tablet once daily | Drug | Experimental Group |
Primary outcome
Improvement in Visual Analogue Scale (VAS) at week 4
Time frame: 4 weeks after treatment initiation
Change in pain impact on daily life as measured by Visual Analogue Scale (VAS) from its baseline value. Visual analogue scale is a continuous scale comprised of a horizontal or vertical line, usually 10 centimeters (100 mm) in length, anchored by 2 verbal descriptors, one for each symptom extreme. The scale is most commonly anchored by "no pain" (score of 0) and "pain as bad as it could be" or "worst imaginable pain" (score of 100). The respondent is asked to place a line perpendicular to the VAS line at the point that represents their pain intensity. Using a ruler, the score is determined by measuring the distance (mm) on the 10-cm line between the "no pain" anchor and the patient's mark, providing a range of scores from 0-100. A higher score indicates greater pain intensity.
Improvement in Visual Analogue Scale (VAS) at week 8
Time frame: 8 weeks after treatment initiation
Change in pain impact on daily life as measured by Visual Analogue Scale (VAS) from its baseline and week 4 value. Visual analogue scale is a continuous scale comprised of a horizontal or vertical line, usually 10 centimeters (100 mm) in length, anchored by 2 verbal descriptors, one for each symptom extreme. The scale is most commonly anchored by "no pain" (score of 0) and "pain as bad as it could be" or "worst imaginable pain" (score of 100). The respondent is asked to place a line perpendicular to the VAS line at the point that represents their pain intensity. Using a ruler, the score is determined by measuring the distance (mm) on the 10-cm line between the "no pain" anchor and the patient's mark, providing a range of scores from 0-100. A higher score indicates greater pain intensity.
Improvement in Numeric Pain Scale at week 4
Time frame: 4 weeks after treatment initiation
Change in pain impact on daily life as measured by Numeric Pain Scale from its baseline value. Numeric pain scale is a segmented numeric version of the visual analog scale (VAS) in which a respondent selects a whole number (0-10 integers) that best reflects the intensity of his/her pain. Higher scores indicating greater pain intensity.
Improvement in Numeric Pain Scale at week 8
Time frame: 8 weeks after treatment initiation
Change in pain impact on daily life as measured by Numeric Pain Scale from its baseline and week 4 value. Numeric pain scale is a segmented numeric version of the visual analog scale (VAS) in which a respondent selects a whole number (0-10 integers) that best reflects the intensity of his/her pain. Higher scores indicating greater pain intensity.
Improvement in Brief Pain inventory at week 4
Time frame: 4 weeks after treatment initiation
Change in pain impact on daily life as measured by Brief Pain Inventory from its baseline value. The Brief Pain Inventory evaluates a patient's pain experience through a number of different scales. There are line drawings of the front and back of a human body on which patients mark the location of their pain. Patients are asked to list the treatments or medications that they are using and how much relief they have provided in the past 24 hours. In addition, patients fill out 11 different numeric rating scale that ask about pain intensity (ranging from 0 to 10) and the effect of the pain on their ability to function during various activities of daily living. A higher score indicates greater pain intensity.
Improvement in Brief Pain inventory at week 8
Time frame: 8 weeks after treatment initiation
Change in pain impact on daily life as measured by Brief Pain Inventory from its baseline and week 4 value. The Brief Pain Inventory evaluates a patient's pain experience through a number of different scales. There are line drawings of the front and back of a human body on which patients mark the location of their pain. Patients are asked to list the treatments or medications that they are using and how much relief they have provided in the past 24 hours. In addition, patients fill out 11 different numeric rating scale that ask about pain intensity (ranging from 0 to 10) and the effect of the pain on their ability to function during various activities of daily living. A higher score indicates greater pain intensity.
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 30 Dec 2020.
- Background: PubMed 30641826Ghadiri-Anari A, Mozafari Z, Gholami S, Khodaei SA, Aboutorabi-Zarchi M, Sepehri F, Nadjarzade A, Rahmanian M, Namiranian N. Dose vitamin D supplementations improve peripheral diabetic neuropathy? A before-after clinical trial. Diabetes Metab Syndr. 2019 Jan-Feb;13(1):890-893. doi: 10.1016/j.dsx.2018.12.014. Epub 2018 Dec 20.
- Background: PubMed 25720672Shehab D, Al-Jarallah K, Abdella N, Mojiminiyi OA, Al Mohamedy H. Prospective evaluation of the effect of short-term oral vitamin d supplementation on peripheral neuropathy in type 2 diabetes mellitus. Med Princ Pract. 2015;24(3):250-6. doi: 10.1159/000375304. Epub 2015 Feb 26.
- Background: PubMed 22050401Shehab D, Al-Jarallah K, Mojiminiyi OA, Al Mohamedy H, Abdella NA. Does Vitamin D deficiency play a role in peripheral neuropathy in Type 2 diabetes? Diabet Med. 2012 Jan;29(1):43-9. doi: 10.1111/j.1464-5491.2011.03510.x.
- Background: PubMed 21726279Soderstrom LH, Johnson SP, Diaz VA, Mainous AG 3rd. Association between vitamin D and diabetic neuropathy in a nationally representative sample: results from 2001-2004 NHANES. Diabet Med. 2012 Jan;29(1):50-5. doi: 10.1111/j.1464-5491.2011.03379.x.
- Background: PubMed 16112498Valensi P, Le Devehat C, Richard JL, Farez C, Khodabandehlou T, Rosenbloom RA, LeFante C. A multicenter, double-blind, safety study of QR-333 for the treatment of symptomatic diabetic peripheral neuropathy. A preliminary report. J Diabetes Complications. 2005 Sep-Oct;19(5):247-53. doi: 10.1016/j.jdiacomp.2005.05.011.
- Background: PubMed 18413561Lee P, Chen R. Vitamin D as an analgesic for patients with type 2 diabetes and neuropathic pain. Arch Intern Med. 2008 Apr 14;168(7):771-2. doi: 10.1001/archinte.168.7.771. No abstract available.
- Background: PubMed 23304571Bell DS. Reversal of the Symptoms of Diabetic Neuropathy through Correction of Vitamin D Deficiency in a Type 1 Diabetic Patient. Case Rep Endocrinol. 2012;2012:165056. doi: 10.1155/2012/165056. Epub 2012 Dec 12.
- Background: PubMed 27026808Basit A, Basit KA, Fawwad A, Shaheen F, Fatima N, Petropoulos IN, Alam U, Malik RA. Vitamin D for the treatment of painful diabetic neuropathy. BMJ Open Diabetes Res Care. 2016 Feb 10;4(1):e000148. doi: 10.1136/bmjdrc-2015-000148. eCollection 2016.
- Background: PubMed 29445752Alam U, Fawwad A, Shaheen F, Tahir B, Basit A, Malik RA. Improvement in Neuropathy Specific Quality of Life in Patients with Diabetes after Vitamin D Supplementation. J Diabetes Res. 2017;2017:7928083. doi: 10.1155/2017/7928083. Epub 2017 Dec 28.
- Derived from this study: PubMed 34984028Pinzon RT, Wijaya VO, Veronica V. The Benefits of Add-on Therapy of Vitamin D 5000 IU to the Vitamin D Levels and Symptoms in Diabetic Neuropathy Patients: A Randomized Clinical Trial. J Pain Res. 2021 Dec 19;14:3865-3875. doi: 10.2147/JPR.S341862. eCollection 2021.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Rizaldy T Pinzon, MD, MSc, PhD principal investigator
Duta Wacana Christian University
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2/3 study testing Standard therapy and Vitamin D 5,000IU Oral Tablet in people with Painful Diabetic Neuropathy, run by Duta Wacana Christian University at 1 site in Indonesia.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 4 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: status not confirmed, as of the sponsor's last update on 30 Dec 2020. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Indonesia. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this combined phase mean?
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
Contact Rizaldy T Pinzon, MD, MSc, PhD (+62 81294638229, drpinzon17@gmail.com), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Improvement in Visual Analogue Scale (VAS) at week 4 (time frame: 4 weeks after treatment initiation). The study lists 6 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT04689958, which also lists 10 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 Dec 2020.