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Modality Choice Before and After Failure for the Treatment of Painful Diabetic Neuropathy (MCPAIN)

25 augusti 2026 uppdaterad av: Brian Callaghan, University of Michigan

Modality Choice Before and After Failure for the Treatment of Painful Diabetic Neuropathy (MCPAIN)

The research team will perform a comparative-effectiveness sequential, multiple assignment, randomized trial in painful diabetic neuropathy (PDN) patients for 8 total months, divided into two 4-month stages. 600 participants 18+ with PDN will be enrolled in this study. The main goal is to compare the utility of three modalities (oral, topical, and behavioral) for initial PDN treatment, and to compare the utility of switching modalities versus continuing with the same modality for non-responders. Pain and discontinuation will be assessed weekly, whereas other outcomes will be assessed monthly for 8 months.

Studieöversikt

Studietyp

Interventionell

Inskrivning (Beräknad)

600

Fas

  • Fas 4

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studiekontakt

Studieorter

    • California
      • Stanford, California, Förenta staterna, 94305
    • Florida
      • Jacksonville, Florida, Förenta staterna, 32209
    • Illinois
      • Chicago, Illinois, Förenta staterna, 60612
        • Rush University Medical Center
        • Kontakt:
        • Huvudutredare:
          • Rabia Malik
    • Iowa
      • Iowa City, Iowa, Förenta staterna, 52242
    • Louisiana
      • New Orleans, Louisiana, Förenta staterna, 70118
        • Tulane University
        • Huvudutredare:
          • Vivian Fonseca
    • Maryland
      • Baltimore, Maryland, Förenta staterna, 21224
        • Johns Hopskins University
        • Huvudutredare:
          • Eva Tseng
    • Michigan
      • Ann Arbor, Michigan, Förenta staterna, 48104
        • University of Michigan
        • Huvudutredare:
          • Lynn Ang, MD
        • Kontakt:
    • Minnesota
      • Minneapolis, Minnesota, Förenta staterna, 55455
        • University of Minnesota
        • Kontakt:
        • Huvudutredare:
          • Pitcha Choompongpod
      • Minneapolis, Minnesota, Förenta staterna, 55407
        • Allina Health-Neurosciences Research
        • Kontakt:
        • Huvudutredare:
          • Goel Vasudha
      • Rochester, Minnesota, Förenta staterna, 55902
        • Mayo Clinic Rochester
        • Huvudutredare:
          • Kamal Shouman
    • Missouri
      • Columbia, Missouri, Förenta staterna, 65201
    • Nebraska
    • New York
      • New York, New York, Förenta staterna, 10027
        • Columbia University
      • New York, New York, Förenta staterna, 10065
    • North Carolina
      • Chapel Hill, North Carolina, Förenta staterna, 27599
      • Durham, North Carolina, Förenta staterna, 27708
    • Oregon
      • Portland, Oregon, Förenta staterna, 97239
        • Oregon Health & Science University
        • Huvudutredare:
          • Rodica Busui
        • Kontakt:
    • Pennsylvania
      • Titusville, Pennsylvania, Förenta staterna, 16354
        • University of Pittsburgh
        • Kontakt:
        • Kontakt:
        • Huvudutredare:
          • Holly Thomas
    • Tennessee
      • Nashville, Tennessee, Förenta staterna, 37208
        • Meharry Medical College
        • Kontakt:
      • Nashville, Tennessee, Förenta staterna, 37235
        • University of Vanderbilt
    • Texas
      • Edinburg, Texas, Förenta staterna, 78539
        • DHR Health Institute for Research and Development
        • Kontakt:
        • Huvudutredare:
          • Marcel Twahirwa
      • McKinney, Texas, Förenta staterna, 75071
        • BaylorScott & White University Medical Center
        • Kontakt:
        • Huvudutredare:
          • Dana Bleakney
    • Wisconsin

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

  • Vuxen
  • Äldre vuxen

Tar emot friska volontärer

Nej

Beskrivning

Inclusion Criteria:

  • Diabetes
  • Painful Diabetic Neuropathy (confirmed at screening visit)
  • Willing to accept random treatment assignment to any of the proposed interventions

Exclusion Criteria:

  • Pregnancy or plans to become pregnant during the study
  • History of neuropathy from causes other than diabetes as determined through medical and family history, physical and neurologic examinations
  • HbA1c >10%
  • Participation in an experimental medication trial within 3 months of starting the study
  • Undergoing therapy for malignant disease other than basal-cell or squamous-cell skin cancer
  • Medical or psychiatric reason for not being a study candidate according to the site PI's discretion
  • Contraindications preventing trialing two interventions within any of the 3 modalities
  • Cirrhosis of the liver

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Behandling
  • Tilldelning: Randomiserad
  • Interventionsmodell: Crossover tilldelning
  • Maskning: Ingen (Open Label)

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: Oral Medication then New Oral Medication
Participants randomized to oral medications, and are considered non-responders at 4 months will be rerandomized to a new treatment modality (oral, topical, behavioral). Those re-randomized to oral medications will select a new oral medication for the next 4 months.

Participants will work with their physician to select an oral medication from a list commonly used to treat PDN. Patients will follow standard of care dosing and tapering of the assigned drug.

Serotonin-Norepinephrine Reuptake Inhibitors (SNRI's): Duloxetine, Venlafaxine, Desvenlafaxine Tricyclic Antidepressants (TCAs): Amitriptyline, Nortriptyline Gabapentinoids: Gabapentin, Pregabalin Sodium Channel Blockers: Oxcarbazepine, Lamotrigine, Lacosamide

Experimentell: Oral Medication then Same Oral Medication
Participants randomized to oral medications, and are considered responders at 4 months will continue with the same oral medication for the next 4 months.

Participants will work with their physician to select an oral medication from a list commonly used to treat PDN. Patients will follow standard of care dosing and tapering of the assigned drug.

Serotonin-Norepinephrine Reuptake Inhibitors (SNRI's): Duloxetine, Venlafaxine, Desvenlafaxine Tricyclic Antidepressants (TCAs): Amitriptyline, Nortriptyline Gabapentinoids: Gabapentin, Pregabalin Sodium Channel Blockers: Oxcarbazepine, Lamotrigine, Lacosamide

Experimentell: Oral Medication then Topical Medication
Participants randomized to oral medications, and are considered non-responders at 4 months will be rerandomized to a new treatment modality (oral, topical, behavioral). Those re-randomized to topical medications will select a topical medication for the next 4 months.

Participants will work with their physician to select an oral medication from a list commonly used to treat PDN. Patients will follow standard of care dosing and tapering of the assigned drug.

Serotonin-Norepinephrine Reuptake Inhibitors (SNRI's): Duloxetine, Venlafaxine, Desvenlafaxine Tricyclic Antidepressants (TCAs): Amitriptyline, Nortriptyline Gabapentinoids: Gabapentin, Pregabalin Sodium Channel Blockers: Oxcarbazepine, Lamotrigine, Lacosamide

Participants will work with their physician to select a topical medication from a list commonly used to treat PDN.

0.075% capsaicin cream (4 times daily) 4-5% lidocaine patches (1-4 patches every 24 hours)

Experimentell: Oral Medication then Cognitive Behavioral Therapy
Participants randomized to oral medications, and are considered non-responders at 4 months will be re-randomized to a new treatment modality (oral, topical, behavioral). Those re-randomized to a behavioral intervention will begin self-guided CBT for the next 4 months.

Participants will work with their physician to select an oral medication from a list commonly used to treat PDN. Patients will follow standard of care dosing and tapering of the assigned drug.

Serotonin-Norepinephrine Reuptake Inhibitors (SNRI's): Duloxetine, Venlafaxine, Desvenlafaxine Tricyclic Antidepressants (TCAs): Amitriptyline, Nortriptyline Gabapentinoids: Gabapentin, Pregabalin Sodium Channel Blockers: Oxcarbazepine, Lamotrigine, Lacosamide

Participants will work with study team to begin web-based, self-guided CBT (non-significant risk device) or traditional (one on one) CBT with a therapist (behavioral, not a device).
Experimentell: Topical Medication then New Topical Medication
Participants randomized to topical medications, and are considered non-responders at 4 months will be rerandomized to a new treatment modality (oral, topical, behavioral). Those re-randomized to topical medications will select a new topical medication for the next 4 months.

Participants will work with their physician to select a topical medication from a list commonly used to treat PDN.

0.075% capsaicin cream (4 times daily) 4-5% lidocaine patches (1-4 patches every 24 hours)

Experimentell: Topical Medication then Same Topical Medication
Participants randomized to topical medications, and are considered responders at 4 months will continue with the same topical medication for the next 4 months.

Participants will work with their physician to select a topical medication from a list commonly used to treat PDN.

0.075% capsaicin cream (4 times daily) 4-5% lidocaine patches (1-4 patches every 24 hours)

Experimentell: Topical Medication then Oral Medication
Participants randomized to topical medications, and are considered non-responders at 4 months will be re-randomized to a new treatment modality (oral, topical, behavioral). Those re-randomized to oral medications will select an oral medication for the next 4 months.

Participants will work with their physician to select an oral medication from a list commonly used to treat PDN. Patients will follow standard of care dosing and tapering of the assigned drug.

Serotonin-Norepinephrine Reuptake Inhibitors (SNRI's): Duloxetine, Venlafaxine, Desvenlafaxine Tricyclic Antidepressants (TCAs): Amitriptyline, Nortriptyline Gabapentinoids: Gabapentin, Pregabalin Sodium Channel Blockers: Oxcarbazepine, Lamotrigine, Lacosamide

Participants will work with their physician to select a topical medication from a list commonly used to treat PDN.

0.075% capsaicin cream (4 times daily) 4-5% lidocaine patches (1-4 patches every 24 hours)

Experimentell: Topical Medication then Cognitive Behavioral Therapy
Participants randomized to topical medications, and are considered non-responders at 4 months will be re-randomized to a new treatment modality (oral, topical, behavioral). Those re-randomized to a behavioral intervention will begin self-guided CBT for the next 4 months.

Participants will work with their physician to select a topical medication from a list commonly used to treat PDN.

0.075% capsaicin cream (4 times daily) 4-5% lidocaine patches (1-4 patches every 24 hours)

Participants will work with study team to begin web-based, self-guided CBT (non-significant risk device) or traditional (one on one) CBT with a therapist (behavioral, not a device).
Experimentell: Cognitive Behavioral Therapy then Same Cognitive Behavioral Therapy
Participants randomized to behavioral interventions will all begin with self-guided CBT. If considered responders at 4 months they will continue with self-guided CBT for the next 4 months.
Participants will work with study team to begin web-based, self-guided CBT (non-significant risk device) or traditional (one on one) CBT with a therapist (behavioral, not a device).
Experimentell: Cognitive Behavioral Therapy then New Cognitive Behavioral Therapy
Participants randomized to behavioral interventions will all begin with self-guided CBT. If considered non-responders at 4 months, they will be rerandomized to a new treatment modality (oral, topical, behavioral). Those re-randomized to a behavioral intervention will begin traditional CBT for the next 4 months.
Participants will work with study team to begin web-based, self-guided CBT (non-significant risk device) or traditional (one on one) CBT with a therapist (behavioral, not a device).
Experimentell: Cognitive Behavioral Therapy then Oral Medication
Participants randomized to behavioral interventions will all begin with self-guided CBT. Non-responders at 4 months will be re-randomized to a new treatment modality (oral, topical, behavioral). Those re-randomized to oral medications will select an oral medication for the next 4 months.

Participants will work with their physician to select an oral medication from a list commonly used to treat PDN. Patients will follow standard of care dosing and tapering of the assigned drug.

Serotonin-Norepinephrine Reuptake Inhibitors (SNRI's): Duloxetine, Venlafaxine, Desvenlafaxine Tricyclic Antidepressants (TCAs): Amitriptyline, Nortriptyline Gabapentinoids: Gabapentin, Pregabalin Sodium Channel Blockers: Oxcarbazepine, Lamotrigine, Lacosamide

Participants will work with study team to begin web-based, self-guided CBT (non-significant risk device) or traditional (one on one) CBT with a therapist (behavioral, not a device).
Experimentell: Cognitive Behavioral Therapy then Topical Medication
Participants randomized to behavioral interventions will all begin with self-guided CBT. Non-responders at 4 months will be re-randomized to a new treatment modality (oral, topical, behavioral). Those re-randomized to topical medications will select a topical medication for the next 4 months.

Participants will work with their physician to select a topical medication from a list commonly used to treat PDN.

0.075% capsaicin cream (4 times daily) 4-5% lidocaine patches (1-4 patches every 24 hours)

Participants will work with study team to begin web-based, self-guided CBT (non-significant risk device) or traditional (one on one) CBT with a therapist (behavioral, not a device).

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Patient-centered utility function as a measure for efficacy and tolerability
Tidsram: Up to 8 months.
Efficacy and tolerability will be assessed and measured as utility function. Utility function ranges from 0-1.75, 0 being the lowest utility function and 1.75 being the highest utility function. Utility function that is a composite of efficacy (0-1) and discontinuation (0-1).
Up to 8 months.

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Pain intensity
Tidsram: Up to 8 months.
Pain intensity as measured by first question of the "Pain, Enjoyment, General Activity" (PEG) numeric rating scale, where a score of 0 is no pain and 10 is the worst pain imaginable.
Up to 8 months.
Pain interference
Tidsram: Up to 8 months.
Pain interference as measured by the sum of the second two questions of the "Pain, Enjoyment, General Activity" (PEG) numeric rating scale, where a score of 0 is no interference with daily life and 20 is the complete interference with daily life.
Up to 8 months.
Discontinuation
Tidsram: Up to 8 months
Rate of treatment discontinuation for any reason, including withdrawal From enrollment to end of treatment at 8 months.
Up to 8 months
Related adverse events
Tidsram: Up to 8 months.
Adverse events reported by local sites and determined to be related to the treatment.
Up to 8 months.
Physical functioning/Quality of Life (QOL)
Tidsram: Up to 8 months.
Physical function/QOL as measured by the Patient-Reported Outcomes Measurement Information System (PROMIS) Physical functioning Short Form 6b, a 5 question questionnaire. Each question is measured with a likert scale, where 5 is "without any difficulty" and 1 is "unable to do"
Up to 8 months.
Neuropathy specific QOL
Tidsram: Up to 8 months
Neuropathy Quality of Life (NeuroQOL) evaluates symptoms and function in regard to quality of life over the past four weeks. Range 1-15, higher score indicates neuropathy having a greater impact on quality of life.
Up to 8 months
Depression
Tidsram: Up to 8 months
As measured by the Patient Health Questionnaire (PHQ-2), a two-question questionnaire where each depression symptom is scored on a scale of 0-3, where 0 is "not at all" and 3 is "nearly every day". The total score range is 0-6 where the higher score indicates more depression symptoms.
Up to 8 months
Anxiety
Tidsram: Up to 8 months
As measured by the General Anxiety Disorder (GAD-2), a two-question questionnaire where each anxiety symptom is scored on a scale of 0-3, where 0 is "not at all" and 3 is "nearly every day". The total score range is 0-6 where the higher score indicates more anxiety symptoms.
Up to 8 months
Sleep
Tidsram: Up to 8 months
Sleep Quality represented by the sum of scores on the PROMIS Sleep Disturbance 6a and an additional question regarding sleep duration.
Up to 8 months
Pain Catastrophizing
Tidsram: Up to 8 months
As measured by the Pain Catastrophizing Scale Short Form 6, where a score of 0 is catastrophizing "not at all" and 52 is catastrophizing "all the time"
Up to 8 months
Global treatment satisfaction
Tidsram: Up to 8 months
As measured by Patient Global Impression of Change (PGIC), a single question on a scale of 0-6, where 0 is "very much improved" and 6 is "very much worse".
Up to 8 months
Substance use screener
Tidsram: Up to 8 months
As measured by the Tobacco, Alcohol, Prescription Medications, and other Substance (TAPS 1) questionnaire, which is five questions on a scale of 0-4, where 0 is "daily or almost daily use" and 4 is "never use".
Up to 8 months

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Utredare

  • Huvudutredare: Brian Callaghan, MD, University of Michigan

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Beräknad)

1 september 2026

Primärt slutförande (Beräknad)

1 augusti 2030

Avslutad studie (Beräknad)

1 augusti 2031

Studieregistreringsdatum

Först inskickad

25 augusti 2026

Först inskickad som uppfyllde QC-kriterierna

25 augusti 2026

Första postat (Faktisk)

31 augusti 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

31 augusti 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

25 augusti 2026

Senast verifierad

1 augusti 2026

Mer information

Termer relaterade till denna studie

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

JA

IPD-planbeskrivning

Full, de-identified datasets will be deposited in a PCORI-designated repository at study completion. Study team will follow all rules and regulations of the funding agency, which can be found here: https://www.pcori.org/about/governance/pcoris-policy-data-management-and-data-sharing

Tidsram för IPD-delning

At the time of publication of the research project's primary results in a peer-reviewed journal - for at least 7 years

Kriterier för IPD Sharing Access

A data requestor that submits a data request will be evaluated for its overall qualifications and experience (e.g., across a proposed team of specified individuals) to achieve the stated research purpose underlying the data request. Neither PCORI nor the Awardee investigators will provide technical assistance directly to data requestors. However, either party may provide input to the repository upon request.

IPD-delning som stöder informationstyp

  • STUDY_PROTOCOL
  • ICF
  • CSR

Läkemedels- och apparatinformation, studiedokument

Studerar en amerikansk FDA-reglerad läkemedelsprodukt

Ja

Studerar en amerikansk FDA-reglerad produktprodukt

Ja

produkt tillverkad i och exporterad från U.S.A.

Nej

Denna information hämtades direkt från webbplatsen clinicaltrials.gov utan några ändringar. Om du har några önskemål om att ändra, ta bort eller uppdatera dina studieuppgifter, vänligen kontakta register@clinicaltrials.gov. Så snart en ändring har implementerats på clinicaltrials.gov, kommer denna att uppdateras automatiskt även på vår webbplats .

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