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Colchicine for å redusere symptomene dine og lavere nivåer av betennelse, nullgjøre effektiv CPPD -sykdomsbehandling (CRYSTALLIZE)

16. september 2026 oppdatert av: Sara Tedeschi, M.D., M.P.H., Brigham and Women's Hospital

En randomisert, dobbeltblind, multisite placebokontrollert studie av kolkisin i kalsiumpyrofosfatavsetningssykdom

The goal of this clinical trial is to learn if colchicine reduces levels of proteins indicating inflammation in the blood in individuals with calcium pyrophosphate deposition (CPPD) disease. The trial will also test the effect of colchicine on joint symptoms in CPPD disease. The main questions it aims to answer are:

  • Does colchicine reduce the level of interleukin 18 (IL-18) in the blood of individuals with CPPD disease?
  • Does colchicine reduce pain scores in individuals with CPPD disease?

Researchers will compare colchicine once daily to a placebo (a look-alike pill that contains no drug) to see if colchicine works to treat CPPD disease.

Participants will:

  • Take colchicine or a placebo every day for 6 months
  • Visit the clinic 3 times in 6 months for joint examinations, surveys, and blood tests. Each visit will last 2-3 hours.
  • Speak on the telephone with researchers for about 4 times over 6 months. Each phone call will last about 5 minutes.

Studieoversikt

Studietype

Intervensjonell

Registrering (Antatt)

150

Fase

  • Fase 2

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studer Kontakt Backup

  • Navn: Brenna Sharp de Flores, Senior Research Coordinator
  • Telefonnummer: 617-732-6277
  • E-post: bsharp@bwh.harvard.edu

Studiesteder

    • Alabama
      • Birmingham, Alabama, Forente stater, 35233
        • Rekruttering
        • University of Alabama - Birmingham
        • Ta kontakt med:
        • Ta kontakt med:
          • Clementino Vong Do Rosario, Clinical Research Coordinator
          • Telefonnummer: (205) 975-6410
          • E-post: cvongdorosario@uabmc.edu
        • Hovedetterforsker:
          • Angelo Gaffo, MD, MsPH
    • California
      • Los Angeles, California, Forente stater, 90095
        • Rekruttering
        • University of California - Los Angeles
        • Ta kontakt med:
        • Ta kontakt med:
        • Hovedetterforsker:
          • John Fitzgerald, MD, PhD
    • Massachusetts
      • Boston, Massachusetts, Forente stater, 02118
        • Rekruttering
        • Boston University Medical Center/Boston Medical Center
        • Ta kontakt med:
          • Sayali Dhamne, Clinical Research Coordinator
          • Telefonnummer: (617) 358-9655
          • E-post: scdhamne@bu.edu
        • Ta kontakt med:
          • Sneha Sinha, Clinical Research Coordinator
          • E-post: sneha@bu.edu
        • Hovedetterforsker:
          • Tuhina Neogi, MD
        • Underetterforsker:
          • Maureen Dubreil, MD
      • Boston, Massachusetts, Forente stater, 02118
        • Rekruttering
        • Brigham and Women's Hospital
        • Ta kontakt med:
          • Brenna Sharp de Flores, Senior Research Coordinator
          • Telefonnummer: 617-732-6277
          • E-post: bsharp@bwh.harvard.edu
        • Hovedetterforsker:
          • Sara Tedeschi, MD, MPH
    • Wisconsin
      • Milwaukee, Wisconsin, Forente stater, 53226
        • Rekruttering
        • Medical College of Wisconsin
        • Ta kontakt med:
          • Kiley Timler, Clinical Research Coordinator
          • Telefonnummer: (414) 955-6875
          • E-post: ktimler@mcw.edu
        • Hovedetterforsker:
          • Ann Rosenthal, MD, FACP
        • Underetterforsker:
          • Viktoriya Sabchyshyn, DO

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

40 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • Provide written informed consent
  • Fulfill ACR/EULAR 2023 CPPD classification criteria
  • Acute or chronic joint inflammation currently or in the past 3 months, not attributable to another condition (Joint Inflammation defined as: At least 1 joint this is swollen, red, or warm to the touch; with or without corresponding tenderness)
  • Pain visual analog scale (pain VAS) >=30 at screening

Exclusion Criteria:

  • Age <40 years

  • Chronic diarrhea

  • Gout, rheumatoid arthritis, psoriatic arthritis, or cirrhosis

  • Ongoing use of colchicine and unwilling to undergo a 30-day wash-out period (note: patients using colchicine at screening can enroll if they agree to a 30-day wash-out before randomization)

  • Pregnant or breast-feeding

  • Use of methotrexate, hydroxychloroquine, tocilizumab or canakinumab in the past 4 weeks

  • Use of anakinra, oral glucocorticoid, or intra-articular steroid in the past 1 week

  • Ongoing use of strong CYP3A4 inhibitors per FDA package insert for colchicine

  • Ongoing use of P-glycoprotein inhibitors per FDA package insert for colchicine

  • Known allergy to colchicine

  • Planned joint surgery in the next 6 months

  • CPPD clinical presentation isolated to Crowned Dens Syndrome with no additional peripheral joint involvement

  • Screening labs with any of the following:

    1. Hemoglobin < 9 g/dL
    2. WBC <3 x 10^9/L
    3. Platelets <110 x10^9/L
    4. Creatinine clearance (CrCl) <30 mL/min
    5. ALT or AST >3x upper limit of normal (ULN)
  • Patient is considered by investigator to be an unsuitable candidate for the study for any reason

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Firemannsrom

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Placebo komparator: Placebo

Placebo

Placebo capsule, taken by mouth once daily

Eksperimentell: Colchicine

Colchicine

Colchicine 0.6mg tab, overencapsulated to match placebo capsule, taken by mouth once daily

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Interleukin 18 (IL-18)
Tidsramme: Baseline and Week 24

Serum IL-18

Baseline and Week 24

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Serum IL-1b
Tidsramme: Baseline and Week 24

Serum IL-1b

Baseline and Week 24
Serum IL-17A
Tidsramme: Baseline and Week 24

Serum IL-17A

Baseline and Week 24
High-sensitivity C-reactive protein (hsCRP)
Tidsramme: Baseline and Week 24

High-sensitivity C-reactive protein in blood

Baseline and Week 24
IL-1b gene signature expression in PBMCs
Tidsramme: Baseline and Week 24

Expression of a panel of genes involved in IL-1b production or signaling, as percentage of total gene expression per cell

Baseline and Week 24
Immune cell population frequencies
Tidsramme: Baseline and Week 24

Immune cell clusters among PBMCs

Baseline and Week 24
Pain visual analog scale (pain VAS)
Tidsramme: Baseline, Week 12, Week 24

Severity of pain from CPPD disease/pseudogout, both at rest and with activity, in the past 7 days (range 0-100mm, with 0 indicating no pain)

Baseline, Week 12, Week 24
Brief Pain Inventory (Short Form)
Tidsramme: Baseline, Week 12, Week 24

Brief Pain Inventory includes two sub-scores: Pain Severity Score (range 0-10, with 0 indicating no pain in the past 24 hours) and Pain Interference Score (range 0-10, with 0 indicating no interference in the past 24 hours)

Baseline, Week 12, Week 24
Pain in the past week (PEG [pain intensity [P], interference with enjoyment of life [E], and interference with general activity [G])
Tidsramme: Baseline, Week 12, Week 24

3 question instrument, range 0-10, with 0 indicating no pain and no interference in the past week

Baseline, Week 12, Week 24
Patient Reported Outcome Measurement Information System (PROMIS)-Physical Function
Tidsramme: Baseline, Week 12, Week 24

PROMIS-Physical Function Short Form 10a (T-score range 0-100, with higher scores indicating better physical function)

Baseline, Week 12, Week 24
Patient Global Assessment of Response to Treatment
Tidsramme: Week 12, Week 24

5 point Likert scale

Week 12, Week 24
Patient Global Assessment
Tidsramme: Baseline, Week 12, Week 24

Patient Global Assessment of CPPD Disease Activity (range: 0-10)

Baseline, Week 12, Week 24
Physician Global Assessment
Tidsramme: Baseline, Week 12, Week 24

Physician's Global Assessment of CPPD Disease Activity (range: 0-10)

Baseline, Week 12, Week 24
Flare count
Tidsramme: Week 12, Week 24

Number of acute calcium pyrophosphate crystal arthritis flares

Week 12, Week 24
Adverse events
Tidsramme: Week 12, Week 24

Number of expected adverse events and unexpected adverse events

Week 12, Week 24
Tender Joint Count
Tidsramme: Baseline, Week 12, Week 24

Tender Joint Count

Baseline, Week 12, Week 24
Swollen Joint Count
Tidsramme: Baseline, Week 12, Week 24

Swollen Joint Count

Baseline, Week 12, Week 24

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

12. august 2026

Primær fullføring (Antatt)

30. april 2030

Studiet fullført (Antatt)

30. september 2030

Datoer for studieregistrering

Først innsendt

26. februar 2025

Først innsendt som oppfylte QC-kriteriene

26. februar 2025

Først lagt ut (Faktiske)

3. mars 2025

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

21. september 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

16. september 2026

Sist bekreftet

1. juli 2026

Mer informasjon

Begreper knyttet til denne studien

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Ja

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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