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Fotoferesi extracorporea nella sclerosi sistemica cutanea diffusa precoce

L'efficacia dell'ECP nella sclerosi sistemica cutanea diffusa

The purpose of this study is to assess feasibility, safety and preliminary efficacy of Extracorporeal Photopheresis in the treatment of active diffuse cutaneous systemic sclerosis (dcSSc). This pilot study will help to determine if further study (a RCT) is justified.

Panoramica dello studio

Stato

Reclutamento

Condizioni

Intervento / Trattamento

Descrizione dettagliata

Systemic sclerosis (SSc, Scleroderma) is a multisystem autoimmune disease characterized by widespread vascular injury and progressive fibrosis of the skin and internal organs. There is no effective treatment for the majority of patients with diffuse scleroderma (diffuse cutaneous systemic sclerosis; dcSSc). Only few therapies have shown modest benefits in regard to some specific organ pathologies. In the early stage of dcSSc, it may be possible to reverse inflammation and reduce the probability of irreversible fibrosis via significant immune modulation as later, often the fibrosis doesn't improve with treatment.

This is a pilot study that will treat 15 participants with dcSSc who meet the eligibility criteria. The objective of the study is to determine if the benefit of Extracorporeal photopheresis (ECP) and safety are favorable in order to consider and help in the design of a randomized controlled trial (RCT). This is a Phase II study that is uncontrolled and patients will remain on their background immunosuppressive treatment unless if contraindicated for safety or drug interactions. The trial is powered to show a mean change in skin thickness measured with modified Rodnan skin score (mRSS) of ≥5 over one year, in an uncontrolled, unblinded study. The Health Assessment Questionnaire Disability Index (HAQ-DI), patient and physician global scores, inflammatory markers, and combined response index in SSc (CRISS) will all be exploratory outcomes. Other outcomes such as changes in cells on skin biopsies from baseline to end of the trial will be explored if the study is positive.

Tipo di studio

Interventistico

Iscrizione (Stimato)

15

Fase

  • Fase 2

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

Backup dei contatti dello studio

Luoghi di studio

    • Ontario
      • London, Ontario, Canada, N6A4V2
        • Reclutamento
        • Rheumatology Clinic, St. Joseph's Health Care
        • Contatto:

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

18 anni e precedenti (Adulto, Adulto più anziano)

Accetta volontari sani

No

Sessi ammissibili allo studio

Tutto

Descrizione

Inclusion Criteria:

  1. Patients with SSc, aged 18 years or older, and:
  2. Subjects must meet the ACR/EULAR classification criteria for SSc (2013).
  3. Early dcSSc (within 5 years of first non-Raynaud's phenomenon symptom) or any other dcSSc patients who have at least one of the signs of disease activity: mRSS of 15 or more, presence of tendon friction rubs, elevated inflammatory markers thought to be due to active dcSSc and not related to other issues such as infection or ILD with FVC% predicted <80% or HRCT showing ILD thought to be from SSc.
  4. Able to give informed consent.

Exclusion Criteria:

  1. Poor pulmonary function (FVC<40% and/or DLCO<30%).
  2. Class IV PAH or PH.
  3. Clinically significant cardiac disease.
  4. Significant concurrent, uncontrolled medical condition including, but not limited to, renal, cardiac, hepatic, pancreatic, hematological, gastrointestinal, endocrine, pulmonary, neurological, cerebral or psychiatric disease; and cancer (i.e. co-existing melanoma, basal cell, or squamous cell skin carcinoma).
  5. Chronic or ongoing active infectious disease requiring systemic treatment, including active tuberculosis (TB) infection.
  6. Seropositivity for human immunodeficiency virus (HIV) at study entry.
  7. Active viral infection with viral replication of hepatitis B or C virus at study entry.
  8. Thrombophilia.
  9. Contraindications to heparin including history of heparin-induced thrombocytopenia (HIT) or heparin-induced thrombocytopenia and thrombosis (HITTS), history of thrombocytopenia with pentosan polysulfate, known hypersensitivity to heparin or pork products.
  10. Low Platelet count (less than 100,000 per mm3).
  11. Aphakia (absence or loss of the eye's lens and has not been replaced with an artificial lens), because of the significantly increased risk of retinal damage due to the absence of lenses.
  12. Severe anemia (hemoglobin <70g/L).
  13. High white blood cell count (greater than 25000 mm3).
  14. A history of surgical spleen removal.
  15. A history of a light sensitive disease state, i.e. lupus erythematosus, porphyria cutanea tarda, erythropoietic protoporphyria, variegate porphyria, xeroderma pigmentosum and albinism.
  16. Previous idiosyncratic reactions to psoralen compounds.
  17. Patients who are using photosensitizing drugs such as anthralin, coal tar or coal tar derivatives, griseofulvin, phenothiazines, nalidixic acid, halogenated salicylanilides (bacteriostatic soaps), sulfonamides, tetracyclines, thiazides, and certain organic staining dyes such as methylene blue, toluidine blue, rose bengal and methyl orange.
  18. Treatment with more than 2 immunosuppressants (including mofetil mycophenolate, methotrexate, cyclophosphamide, biologics) at study entry.
  19. Pregnancy, breast feeding or child bearing potential without practicing highly effective contraception (and partners for men in the study).
  20. Patients known or suspected of not being able to comply with a study protocol (e.g. due to alcoholism, drug dependency or psychological disorder).
  21. Participation in another clinical trial within six weeks before randomization in this study.
  22. Previous use of Extracorporeal photopheresis.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: N / A
  • Modello interventistico: Assegnazione di gruppo singolo
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Administration of Extracorporeal Photopheresis Treatment

Duration of treatment: 48 weeks. Treatments occur on 2 consecutive days every 4 weeks.

Dose of UVADEX: Treatment Volume x 0.017 = mL of UVADEX for each treatment Treatment Volume (TV) is defined as: The total volume of Buffy Coat plus prime solution that will undergo photoactivation.

Route of administration: Extracorporeal

Drug Intervention using a medical device. The ECP device is already licensed in Canada. License No.7703. ECP treatment, using the drug UVADEX, will be given on 2 consecutive days every 4 weeks for a total of 26 treatment days (48 weeks).

Altri nomi:
  • ECP
  • 8 mop

The phase II aspect of the study refers to the drug, methoxsalen. Methoxsalen is being used off label from the currently approved indications in the monograph. The study is proposing to use methoxsalen in combination with with extracorporeal photopheresis for the treatment of diffuse cutaneous systemic sclerosis. Treatment will be given in addition to standard of care medications for SSc.

Altri nomi:
  • 8 mop

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change in skin thickness measured by modified Rodnan Skin Score
Lasso di tempo: 48 weeks

modified Rodnan Skin Score (mRSS): is a standard outcome measure for skin disease in SSc and calculated by measuring skin thickness in 17 different body sites (each site scored 0-3, with a total possible additive score of 51). A higher skin score (or a higher "skin thickness") and progression of this score, is predictive of internal organ involvement and mortality. While a lower or improving (lessening) score is associated with favorable outcomes, including better survival.

48 weeks

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change in the modified Rodnan Skin Score
Lasso di tempo: 12, 24 and 36 weeks

modified Rodnan Skin Score (mRSS): is a standard outcome measure for skin disease in SSc and calculated by measuring skin thickness in 17 different body sites (each site scored 0-3, with a total possible additive score of 51). A higher skin score (or a higher "skin thickness") and progression of this score, is predictive of internal organ involvement and mortality. While a lower or improving (lessening) score is associated with favorable outcomes, including better survival.

12, 24 and 36 weeks
Combined Response Index in diffuse cutaneous systemic sclerosis score
Lasso di tempo: 24 weeks

CRISS score: It is calculated according to changes from the start of a study, compared to an endpoint, by using the modified Rodnan Skin Score (mRSS), the Health Assessment Questionnaire - Disability Index (HAQ-DI), patient and physician global assessment of scleroderma-related health, and forced vital capacity. A CRISS score of ≥ 0.6 indicates likelihood that a patient improved on treatment.

Will be calculated with baseline data and to define disease progression at 6 months.

24 weeks
Change in Forced Vital Capacity
Lasso di tempo: 6 and 12 months

Change in Pulmonary Function as measured by percentage of Improving or worsening FVC.

The FVC (Forced vital Capacity) is the total amount of air exhaled during the FEV (Forced expiratory volume) test.

6 and 12 months
Change in the diffusing capacity for carbon monoxide
Lasso di tempo: 6 and 12 months

Change in Pulmonary Function as measured by percentage of Improving or worsening DLCO.

The DLCO (diffusing capacity of the lungs for carbon monoxide) measures the ability of the lungs to transfer gas from inhaled air to the red blood cells in pulmonary capillaries.

6 and 12 months
Change in physician global assessment of disease activity
Lasso di tempo: 12, 24, 36 and 48 weeks

Measured on a Visual Analogue Scale (VAS) from 0-10, with 0 being no disease activity and 10 being the worst possible disease activity.

12, 24, 36 and 48 weeks
Change in physician global assessment of disease severity
Lasso di tempo: 12, 24, 36 and 48 weeks

Measured on a Visual Analogue Scale (VAS) from 0-10, with 0 being no disease severity and 10 being the worst possible disease severity.

12, 24, 36 and 48 weeks
Change in physician global assessment of disease damage
Lasso di tempo: 12, 24, 36 and 48 weeks

Measured on a Visual Analogue Scale (VAS) from 0-10, with 0 being no disease damage and 10 being the worst possible disease damage.

12, 24, 36 and 48 weeks
Change in patient global assessment of health status
Lasso di tempo: 12, 24, 36 and 48 weeks

Measured on a Visual Analogue Scale (VAS) from 0-100, with 0 being no overall effect of disease on participant, and 100 being the worst possible overall effect of disease on participant.

This is a patient reported outcome.

12, 24, 36 and 48 weeks
Change in Scleroderma Health Assessment Questionnaire
Lasso di tempo: 12, 24, 36 and 48 weeks

The SHAQ combines the disability and pain scales of the HAQ (HAQ-DI), with five scleroderma-specific Visual Analogue Scales for: digital ulcers, Raynaud's phenomenon, gastrointestinal (GI) symptoms, lung symptoms, and overall disease severity.

The HAQ-DI yields a score of 0-3, that indicates the extent of the respondent's functional limitations.

Each VAS score is scaled from 0 to 3, with 0 being no symptoms and 3 being the worst possible symptom severity.

A composite VAS score is not created nor are the individual VAS scores incorporated into the HAQ DI score. Typically, each VAS score is reported individually. There is a proposed way to obtain a combined score obtained by pooling the 8 domains of the HAQ DI and the 5 VASs; however, this approach has not yet been widely accepted.

This is a patient reported outcome.

12, 24, 36 and 48 weeks
Change in serum concentrations C-Reactive Protein
Lasso di tempo: 12, 24, 36 and 48 weeks

Change in serum concentrations of the acute phase reactant, CRP

CRP aids in the evaluation of stress, trauma, infection, inflammation, surgery & associated diseases. Blood levels of C-Reactive Protein (CRP) are known to rise in acute disease to a level of up to 50 mg/L in the presence of slight to moderate inflammatory process. Values >50 mg/L indicate high and extensive inflammatory activity.

12, 24, 36 and 48 weeks
Change in serum concentrations of Erythrocyte Sedimentation Rate
Lasso di tempo: 12, 24, 36 and 48 weeks

Change in serum concentrations of the acute phase reactant, ESR

Reference ranges:

Male: 0-10 mm/h Female: 0-20 mm/h

A faster-than-normal rate may indicate inflammation in the body. Inflammation is part of the immune response system. The higher the number, the higher the likelihood of inflammation.

12, 24, 36 and 48 weeks

Altre misure di risultato

Misura del risultato
Misura Descrizione
Lasso di tempo
Complicanze infettive
Lasso di tempo: valutato per la durata del trattamento fino a 48 settimane e fino a 1 mese dopo il trattamento
valutato per la durata del trattamento fino a 48 settimane e fino a 1 mese dopo il trattamento
Regimen-related toxicities
Lasso di tempo: assessed for duration of treatment up to 48 weeks, and up to 12 weeks post-treatment

Adverse Events (AEs) >= Grade 3 and assessed by the investigator as 1 of the following: related or unrelated to treatment

assessed for duration of treatment up to 48 weeks, and up to 12 weeks post-treatment
Change in peripheral levels of T-cell activation marker - sIL-2R
Lasso di tempo: 12, 24, 36 and 48 weeks

interleukin 2 receptor (sIL-2R)

Serum sIL-2R level is a sensitive and quantitative marker of circulating peripheral blood mononuclear cell activation.

Normal range of serum sIL-2R is below 2500 pg/ml. High levels may be found in conditions associated with T-cell activation.

12, 24, 36 and 48 weeks
Change in peripheral levels of fibrillogenesis - amino terminal propeptide of type III collagen
Lasso di tempo: 12, 24, 36 and 48 weeks

Amino-terminal propeptide of procollagen type III (PIIINP) is generated during the synthesis of type III collagen. PIIINP is a non-specific marker of soft tissue injury.

PIIINP in serum has been shown to correlate with fibrillogenesis, and thus to be a potential direct marker of type III collagen deposition.

PIIINP reference range Adult (>19 years): 1.2 - 4.2 ug/L

12, 24, 36 and 48 weeks
Change in CD3-positive cell count (T-cell marker) in skin biopsies of involved forearm skin
Lasso di tempo: 24 and 48 weeks

Measured by immunohistochemistry (IHC) as the percentage of CD3-positive cells per total number of cells/mm2.

Reference rage not established (there is no range, we are looking for a stat significant change (decrease) from baseline)

24 and 48 weeks
Change in myofibroblast count in skin biopsies of involved forearm skin
Lasso di tempo: 24 and 48 weeks

Myofibroblasts are cells involved in the inflammatory response to injury. Myofibroblasts play an active role in collagen synthesis, and correlate with clinical measures of disease activity in SSc.

Measured by immunohistochemistry (IHC) as the percentage of alpha-SMA-positive cells per total number of cells/mm2.

Reference range not established

24 and 48 weeks

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Collaboratori

Investigatori

  • Investigatore principale: Dr. Janet E Pope, MD PhD, University of Western Ontario, Division of Rheumatology, St. Joseph's Health Care, London, Ontario, Canada

Pubblicazioni e link utili

La persona responsabile dell'inserimento delle informazioni sullo studio fornisce volontariamente queste pubblicazioni. Questi possono riguardare qualsiasi cosa relativa allo studio.

Pubblicazioni generali

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

14 maggio 2025

Completamento primario (Stimato)

1 luglio 2028

Completamento dello studio (Stimato)

1 luglio 2029

Date di iscrizione allo studio

Primo inviato

1 giugno 2021

Primo inviato che soddisfa i criteri di controllo qualità

22 luglio 2021

Primo Inserito (Effettivo)

3 agosto 2021

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

1 ottobre 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

28 settembre 2026

Ultimo verificato

1 settembre 2026

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • ECR-CAN-011068

Piano per i dati dei singoli partecipanti (IPD)

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INDECISO

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

Sì

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

Sì

prodotto fabbricato ed esportato dagli Stati Uniti

Sì

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .