12-Month Efficacy and Safety of Diepalrestat in Adults With Diabetic Peripheral Neuropathy, a DB, Placebo-Controlled Study (DE-DPN)
Twelve-Month Chronic Efficacy and Safety of Diepalrestat in Adult Subjects With Diabetic Peripheral Neuropathy (DPN), A Randomized, Double-Blind, Placebo-Controlled Study
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Fase 2
- Fase 3
Kontakter og lokationer
Studiesteder
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Arkhangelsk, Den Russiske Føderation, 163000
- Northern State Medical University
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Cherepovets, Den Russiske Føderation, 162600
- Health Services Severstal
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Ekaterinburg, Den Russiske Føderation, 620014
- Clinic of Neurology
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Kemerovo, Den Russiske Føderation, 650066
- Kemerovo Regional Clinical Hospital
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Moscow, Den Russiske Føderation, 119034
- Endocrinology Dispensary
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Moscow, Den Russiske Føderation, 119049
- Morozovskaya Children City Hospital of Moscow
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Moscow, Den Russiske Føderation, 119435
- I M Sechenov First Moscow State Medical University
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Moscow, Den Russiske Føderation, 119435
- IM Sechenov First Moscow State Medical University
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Moscow, Den Russiske Føderation, 119991
- IM Sechenov First Moscow State Medical University
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Moscow, Den Russiske Føderation, 121374
- City Clinical Hospital No 71
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Moscow, Den Russiske Føderation, 125367
- Central Clinical Hospital No 1 of JSC Russian Railway
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Moscow, Den Russiske Føderation, 127206
- City Clinical Hospital No 50
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Moscow, Den Russiske Føderation, 127486
- The Federal Bureau of Medical and Social Expertise
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Perm, Den Russiske Føderation, 614107
- Perm State Medical Academy
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Petrozavodsk, Den Russiske Føderation, 185019
- VA Baranov Respublical Hospital
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Rostov-on-Don, Den Russiske Føderation, 344022
- Rostov State Medical University
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Saratov, Den Russiske Føderation, 410053
- City Polyclinic No 20
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St Petersburg, Den Russiske Føderation, 191186
- Imc Sogaz
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St Petersburg, Den Russiske Føderation, 194295
- Medical Center Reavita
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St Petersburg, Den Russiske Føderation, 195257
- City Hospital of the Holy Martyr Elizabeth
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St Petersburg, Den Russiske Føderation, 198510
- Nikolaev Hospital
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Ufa, Den Russiske Føderation, 450000
- Bashkir State Medical University
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Ulyanovsk, Den Russiske Føderation, 432057
- Central City Clinical Hospital
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Volgograd, Den Russiske Føderation, 400131
- State Medical University
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Yaroslavl, Den Russiske Føderation, 150000
- Regional Clinical Hospital
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Yaroslavl, Den Russiske Føderation, 150003
- NV Solovyov Clinical Emergency Hospital
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Sestroretsk
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St Petersburg, Sestroretsk, Den Russiske Føderation, 197706
- City Hospital No 40 of the Kurortny District
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Patients with type 1 or type 2 diabetes mellitus that is controlled by oral or parenteral hypoglycemic agents or diet.
- Patients with diabetes that is stable and controlled (HbA1C ≤ than 10 %) with no new symptoms associated with diabetes within previous 3 months.
- Patients diagnosed with neuropathy who have abnormalities in 2 of 3 categories (signs, symptoms, and objective tests of nerve conduction studies or quantitative sensory threshold testing).
- Patients on pain medication (prescribed analgesics), stable for at least 3 months before study entry or pain treatment naive.
- Patients with at least mild painful symptoms of diabetic neuropathy for at least 1 year duration, but not longer than 10 years duration.
- Able to withstand the fundus evaluation during ophthalmology testing
Exclusion Criteria:
- A condition that would preclude a patient for participation in the study in opinion of investigator, e.g., unstable medical status including glycemic control and blood pressure.
- Any neurological disorder that may confound assessment of diabetic peripheral neuropathy such as radiculopathies. multiple sclerosis, myelopathies.
- Ongoing severe peripheral arterial diseases, skin ulcers, or amputation in the lower extremities.
- Neuropathy findings due to any of the following: alcohol abuse, liver or renal disease, toxic exposure, endocrine, metabolic or nutritional disorders, inflammatory diseases, or monoclonal gammopathies.
- Patients with absent peroneal nerve response.
- Other pain that may confound assessment of neuropathic pain.
- Previous participation in any studies of investigational drugs within 1 month preceding Day 0 (excluding vitamins and minerals
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Firedobbelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
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Aktiv komparator: Group 1 150 mg
150 mg diepalrestat choline administered as twice daily dosing morning and evening with an oral tablet of either 150 mg diepalrestat choline or placebo
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aldose reductase inhibitor
Andre navne:
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Aktiv komparator: Group 2 300 mg
300 mg diepalrestat choline administered as twice daily dosing morning and evening with an oral tablet of 150 mg diepalrestat choline
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aldose reductase inhibitor
Andre navne:
|
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Placebo komparator: Group 3
Tablet administered twice daily morning and evening containing placebo
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Placebo
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
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change from baseline in peroneal motor nerve conduction velocity
Tidsramme: 12 months
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12 months
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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change from baseline in patient-reported Visual Acuity Scales
Tidsramme: 12 months
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Patients' perception of pain, numbness, tingling, weakness of the foot, ataxia, upper limb symptoms and sensory symptoms assessed by pinprick, light touch, vibration, and temperature
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12 months
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change from baseline in patient-reported responses to Toronto Clinical Neuropathy Score (TCNS)
Tidsramme: 12 months
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TCNS component measures of symptomatic changes in pain, numbness and other measures
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12 months
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change from baseline in quality of life administered by SF-36 instrument
Tidsramme: 12 months
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patient global impression of quality of life assessed by the SF-36 short form
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12 months
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change from baseline in median conduction velocity measurements
Tidsramme: 12 months
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conduction velocity measures including median MNCV,
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12 months
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change in visual acuity compared to baseline
Tidsramme: 12 months
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Change in visual acuity over 12 months compared to baseline, change in diabetic retinopathy in the dilated eye
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12 months
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change from baseline in MFWL conduction velocity measurement
Tidsramme: 12 months
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change from baseline in median F wave latency (MFWL)
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12 months
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change from baseline in VPT conduction velocity measurement
Tidsramme: 12 months
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change from baseline in Vibration Perception Threshold (VPT)
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12 months
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Studieleder: Julia Mockot, MD, NeuroMax Ltd.
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
- Sygdomme i nervesystemet
- Sygdomme i det endokrine system
- Diabetes komplikationer
- Diabetes mellitus
- Neuromuskulære sygdomme
- Sygdomme i det perifere nervesystem
- Diabetiske neuropatier
- Molekylære mekanismer for farmakologisk virkning
- Antimetabolitter
- Gastrointestinale midler
- Hypolipidæmiske midler
- Lipidregulerende midler
- Nootropiske midler
- Lipotrope midler
- Cholin
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- NM-ARI-231
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
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