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A Study of Complement 3 Glomerulopathy (C3G) Patients Treated With Iptacopan Through an Early Access Program in Spain (ROUTE-C3G)

16 septembre 2026 mis à jour par: Novartis Pharmaceuticals

Clinical Experience With Iptacopan in Adult Patients With Complement 3 Glomerulopathy (C3G): A Multicenter, Observational, Retrospective Study of Patients Treated Through an Early Access Program in Spain

This study aims to characterize the patient profiles and the clinical experience of iptacopan treatment in adult patients with C3G treated through an early access program (EAP) in Spain.

Aperçu de l'étude

Statut

Pas encore de recrutement

Les conditions

Type d'étude

Observationnel

Inscription (Estimé)

35

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Coordonnées de l'étude

Sauvegarde des contacts de l'étude

  • Nom: Novartis Pharmaceuticals

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

  • Adulte
  • Adulte plus âgé

Accepte les volontaires sains

Non

Méthode d'échantillonnage

Échantillon non probabiliste

Population étudiée

Adult patients with a diagnosis of C3G who have received at least one dose of iptacopan through an EAP from 01 October 2020 through 30 June 2025.

La description

Inclusion criteria:

  1. Adult patients (≥18 years).
  2. Biopsy-confirmed C3G.
  3. Patients who have received at least one dose of iptacopan through an EAP from October 2020 to June 2025.

Exclusion criteria:

1. Patients treated with iptacopan through an EAP for indications other than C3G.

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

Cohortes et interventions

Groupe / Cohorte
Iptacopan Cohort
Adult patients with C3G who received iptacopan through an EAP in Spain.

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Hauteur
Délai: Ligne de base
Ligne de base
Lester
Délai: Ligne de base
Ligne de base
Tension artérielle
Délai: Ligne de base
Pression artérielle systolique et diastolique.
Ligne de base
Données démographiques de référence
Délai: Valeur initiale
Valeur initiale
Number and Percentage of Patients by Clinical Characteristic
Délai: Baseline

Clinical characteristics include:

  • Kidney status
  • History of dialysis
  • Presence of edema
  • Comorbidities
  • C3G histology subtype
  • Previous medication
  • Vaccination status
  • Receipt of antibiotic prophylaxis in addition to vaccination
  • History of severe infections
Baseline
Duration of Antibiotic Prophylaxis
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number of Hospitalizations due to Severe Infection Before Iptacopan Initiation
Délai: Baseline
Baseline
Age at C3G Diagnosis
Délai: Baseline
Baseline
Number and Percentage of Patients by Clinical Features at First C3G Diagnosis
Délai: Baseline

Clinical features include:

  • Clinical presentation (nephrotic, nephritic, isolated non-nephrotic proteinuria, asymptomatic urinary abnormalities)
  • Presence of pathogenic variants in complement-related genes
  • Presence of autoantibodies against complement components
Baseline
Age at Last Kidney Transplantation Before Iptacopan Initiation
Délai: Baseline
Baseline
Number of Kidney Transplants Before Iptacopan Initiation
Délai: Baseline
Baseline
Number and Percentage of Patients by Clinical Features of Last Kidney Transplant Before Iptacopan Initiation
Délai: Baseline

Clinical features include:

  • Previous recurrence with kidney failure
  • Kidney donor type
  • Highly sensitized (yes/no)
  • Immediate graft function
  • Type of induction therapy
  • Type of maintenance immunosuppressive (IS) therapy
  • Kidney transplant rejection episode and type of rejection
Baseline
Duration of Cold Ischemia for the Last Kidney Transplant Before Iptacopan Initiation
Délai: Baseline
Baseline
Post-Kidney Transplant Estimated Glomerular Filtration Rate (eGFR)
Délai: Baseline
Baseline
Number and Percentage of Patients by Type of Biopsy Performed to Confirm Recurrence of C3G After Kidney Transplant
Délai: Baseline
Baseline
Duration Between Last Kidney Transplant and Biopsy Confirmed C3G Recurrence
Délai: Baseline
Baseline
eGFR at Last Post-transplant C3G Recurrence
Délai: Baseline
Baseline
Serum Albumin Concentration at Last Post-transplant C3G Recurrence
Délai: Baseline
Baseline
Urine Protein-Creatine Ratio (UPCR) From First-Morning Void (FMV) at Last Post-transplant C3G Recurrence
Délai: Baseline
Baseline
Proteinuria-24h at Last Post-transplant C3G Recurrence
Délai: Baseline
Total protein excretion from 24-hour collection.
Baseline
Serum Complement Component 3 (C3) Concentration at Last Post-transplant C3G Recurrence
Délai: Baseline
Baseline

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
UPCR FMV During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
UPCR-24h During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
UPCR from 24-hour collection.
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Proteinuria-24h During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Total protein excretion from 24-hour collection.
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Urine Albumin-to-Creatinine Ratio (UACR) FMV During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
UACR-24h During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
UACR from 24-hour collection.
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Albuminuria-24h During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Total albumin excretion from 24-hour collection.
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Serum Albumin Concentration During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Serum Creatinine Concentration During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
eGFR During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Difference Between Post- and Pre-Iptacopan Treatment eGFR Slopes
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients With Kidney Failure
Délai: Months 3, 6, 9, 12, 18, 24, 30, and 36
Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients With a Kidney Transplant During Follow-up
Délai: Months 3, 6, 9, 12, 18, 24, 30, and 36
Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients Who Initiate Dialysis During Follow-up
Délai: Months 3, 6, 9, 12, 18, 24, 30, and 36
Months 3, 6, 9, 12, 18, 24, 30, and 36
Red Blood Cells (RBC) Count per High Power Field (HPF) During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients by Intensity of C3 Deposit in Direct Immunofluorescence (DIF) During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36

DIF intensity:

  • 0 (negative)
  • +1 (mild)
  • +2 (moderate)
  • +3 (strong)
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients by Type of Antibody Used for DIF at Each Biopsy During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients by Presence of Globally Sclerotic Glomeruli and Glomeruli With Crescents at Each Biopsy During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Percentage of Globally Sclerotic Glomeruli and Glomeruli With Crescents at Each Biopsy During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients by Degree of Interstitial Fibrosis/Tubular Atrophy (IF/TA) at Each Biopsy During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36

Degree of IF/TA categories:

  • None
  • Mild (<25%)
  • Moderate (25-50%)
  • Severe (>50%)
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients by Presence of Arteriosclerosis or Arteriolosclerosis at Each Biopsy During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients by Light Microscopy Pattern at Each Biopsy During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36

Light microscopy patterns:

  • Membranoproliferative glomerulonephritis (MPGN)
  • Diffuse endocapillary glomerulonephritis (GN)
  • Mesangial proliferative GN
  • Diffuse sclerosing GN
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients by Presence of Double Contours at Each Biopsy During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients by Presence of Leukocyte Infiltration at Each Biopsy During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Serum C3 Concentration During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Serum Complement Component 4 (C4) Concentration During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Serum Soluble Membrane Attach Complex (sC5b-9) Concentration During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Total Complement Function Assay (CH50) Concentration During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Daily Iptacopan Dose During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number of Missed or Delayed Doses During Iptacopan Treatment
Délai: Months 3, 6, 9, 12, 18, 24, 30, and 36
Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients With Missed or Delayed Doses During Iptacopan Treatment
Délai: Months 3, 6, 9, 12, 18, 24, 30, and 36
Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients Who Discontinued Iptacopan Treatment
Délai: Months 3, 6, 9, 12, 18, 24, 30, and 36
Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients by Reason for Iptacopan Treatment Discontinuation
Délai: Months 3, 6, 9, 12, 18, 24, 30, and 36
Months 3, 6, 9, 12, 18, 24, 30, and 36
Time to Iptacopan Treatment Discontinuation
Délai: Months 3, 6, 9, 12, 18, 24, 30, and 36
Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients by Type of Concomitant Therapies
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Treatment Dose of Concomitant Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients on the Maximum Tolerated Dose of Concomitant Treatment: Renin-angiotensin System (RAS) Blockade
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients by Reason for Stopping Concomitant Treatment
Délai: Months 3, 6, 9, 12, 18, 24, 30, and 36
Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients With Adverse Events of Special Interest (AESI)
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
AESIs include infections by encapsulated bacteria, thyroid abnormality, testicular abnormality, hypersensitivity reaction, malignancy, and thrombocytopenia.
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients With Severe AESI
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36

AESI include infections by encapsulated bacteria, thyroid abnormality, testicular abnormality, hypersensitivity reaction, malignancy, and thrombocytopenia.

Infections are categorized as severe if present with any of the following: fever with shivers/chills; headache with fever; fever with rash; fever with chest pain and cough; fever with breathlessness/fast breathing; fever with high heart rate; headache with nausea/vomiting; headache with stiff neck/back; confusion; body aches with flu-like symptoms; clammy skin; eyes sensitive to light.
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients Hospitalized due to an AESI
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
AESIs include infections by encapsulated bacteria, thyroid abnormality, testicular abnormality, hypersensitivity reaction, malignancy, and thrombocytopenia.
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Length of Stay in Hospital
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Number and Percentage of Patients who Die During Iptacopan Treatment
Délai: Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36
Baseline, Months 3, 6, 9, 12, 18, 24, 30, and 36

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Parrainer

Novartis Pharmaceuticals

Les enquêteurs

  • Directeur d'études: Novartis Pharmaceuticals, Novartis Pharmaceuticals

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Estimé)

21 septembre 2026

Achèvement primaire (Estimé)

15 décembre 2026

Achèvement de l'étude (Estimé)

15 décembre 2026

Dates d'inscription aux études

Première soumission

14 mai 2026

Première soumission répondant aux critères de contrôle qualité

14 mai 2026

Première publication (Réel)

20 mai 2026

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

17 septembre 2026

Dernière mise à jour soumise répondant aux critères de contrôle qualité

16 septembre 2026

Dernière vérification

1 septembre 2026

Plus d'information

Termes liés à cette étude

Mots clés

Termes MeSH pertinents supplémentaires

Autres numéros d'identification d'étude

  • CLNP023B1ES01

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