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Diabetic Neuropathy PeripheralDIALOXYNCT03354806

Peripheral Analgesia in Painful Diabetic Neuropathy

A study testing Continuous peripheral nerve blocks and Analgesic treatment in people with Diabetic Neuropathy Peripheral and Neuropathic Pain, run by Centre Hospitalier Universitaire de la Réunion.

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial summary

Chronic obliterative arteriopathy of the inferior limbs is a frequent condition observed in diabetics. The later stages induce pain at rest and trophic disorders (ulcer, gangrene) that lead to chronic limb ischemia. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Continuous peripheral nerve blocks and Analgesic treatment
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
0 participants
Where
No sites listed yet
Study dates
Jun 2018to Dec 2019
Phase
Interventional
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 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Hospitalized patient
  • Diabetics with chronic obliterative arteriopathy of the inferior limbs
  • Permanent limb ischaemia with a TcPO2 of the front-foot of at least 10 mmHg under atmospheric conditions
  • Lack of surgical revascularization
  • No contraindication to hyperbaric therapy
  • Signed informed consent

Who cannot join

  • Contraindication to ropivacaine
  • Conditions that could alter hyperbaric measurements (anemia < 8 g/dl, cardiac or respiratory insufficiency)
  • patients with planned limb amputation

About this study

Chronic obliterative arteriopathy of the inferior limbs is a frequent condition observed in diabetics. The later stages induce pain at rest and trophic disorders (ulcer, gangrene) that lead to chronic limb ischemia. Without possible surgical revascularization ,pain management and tissue healing are used to avoid amputation.

Prevalence of diabetes is twice higher in Reunion Island than in metropolitan France. As a consequence, the rate co-morbobidities, such as chronic obliterative arteriopathy of the inferior limbs, is also increases.

This study compares the efficiency of two analgesic treatments in diabetics with forefoot injuries.

Read the detailed description

Patients are allocated in two groups regarding :

  • their eligibility to analgesic treatment using continuous peripheral nerve blocks
  • the unability of usual pain management to reduce their pain (pain visual analogic scale equal to or more than 4).

When patient 's response to pharmacological analgesic treatment is sufficient (pain visual analogic scale equal to or less than 3), patient is allocated to the control group.

Patients of experimental group received a continous analgesic treatment for 6 weeks using ropivacaine (2mg/ml, flow rate 7 ml/h).

Patients of control group received an analgesic treatment according the recommended pain ladder of World Health Organization (WHO). Opioids for mild-to-moderate pain are used in combination with a non-opioid analgesic, such as paracetamol, at the second step of the ladder. If regular maximum doses of opioids for mild-to-moderate pain do not achieve adequate analgesia, then they should be replaced with an opioid for moderate-to-severe pain, such as morphine.

Efficiency of both treatment is assessed the improvement of oxygen level in the tissue below the skin of the injured forefoot through the study.

Being tested
Continuous peripheral nerve blocks, Analgesic treatment
Medical subject headings
Neuralgia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Continuous peripheral nerve blocksProcedure or surgery

    6 weeks-ropivacaine treatment delivered by continuous peripheral nerve blocks Transcutaneous oxygen measurement is assessed on day 2, week 3 and week 6 under atmospheric and hyperbaric conditions

  • Analgesic treatmentProcedure or surgery

    6 weeks-analgesic treatment according to WHO's pain relief ladder Transcutaneous oxygen measurement is assessed on day 2, week 3 and week 6 under atmospheric and hyperbaric conditions

Study groups in NCT03354806
Study groupRoleWhat they receive
Continuous peripheral nerve blocksExperimentalRopivacaine-continous treatment using catheters for continous sciatic nerve blocks
Receives: Procedure: Continuous peripheral nerve blocks
Analgesic treatmentActive comparatorPharmacological pain management in accordance with WHO's pain relief ladder
Receives: Procedure: Analgesic treatment

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Foot tissue oxygenation on day 2

    Measurement of transcutaneous oxygen tension (TcPO2) at room conditions

    Measured: on day 2

Secondary outcomes (3)
  1. Foot tissue oxygenation in hyperaemia-induced condition on day 2

    Measurement of transcutaneous oxygen tension (TcPO2) under hyperbaric conditions

    Measured: on day 2

  2. Foot tissue oxygenation on week 6

    Measurement of transcutaneous oxygen tension (TcPO2) at room conditions

    Measured: on week 6

  3. Foot tissue oxygenation in hyperaemia-induced condition on day 2

    Measurement of transcutaneous oxygen tension (TcPO2) under hyperbaric conditions

    Measured: on week 6

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted28 Nov 2017
  2. Study startJun 2018 (estimated)
  3. Primary completionSep 2019 (estimated)
  4. Study completionDec 2019 (estimated)

Why it stopped: january 2019

Resources

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 N/A
Primary purpose
Supportive care
Allocation
Non-randomised
Intervention model
Parallel groups
Model description
Comparative, monocentric study including 2 parallel groups. Patient's allocation is based on recommended criteria for catheters for continuous peripheral nerve blocks uses such as anlagesic treatment (ropivacain) tolerance and acceptance or analgesic treatment refusal
Masking
None (open label)
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03354806
Sponsor's protocol ID
2016/CHU/05
Acronym
DIALOXY
Status last verified
Mar 2019
First submitted
22 Nov 2017
Last updated
7 Mar 2019
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A study testing Continuous peripheral nerve blocks and Analgesic treatment in people with Diabetic Neuropathy Peripheral and Neuropathic Pain, run by Centre Hospitalier Universitaire de la Réunion.

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 6 inclusion and 3 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: withdrawn, as of the sponsor's last update on 7 Mar 2019. Status can change between updates, so confirm with the study contact before making plans.

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.

Are results available for this study?

The study was withdrawn before enrolling participants, so there are no results.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Foot tissue oxygenation on day 2 (time frame: on day 2). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 7 Mar 2019.

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