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Colchicine for Amyotrophic Lateral Sclerosis (Co-ALS)

A

Azienda Ospedaliero-Universitaria di Modena

Status and phase

Completed
Phase 2

Conditions

Amyotrophic Lateral Sclerosis

Treatments

Drug: Placebo Oral Tablet
Drug: Colchicine 1 MG Oral Tablet

Study type

Interventional

Funder types

Other

Identifiers

Details and patient eligibility

About

The study evaluates the effects of two different Colchicine doses (0.01mg/kg/day or 0.005 mg/kg/day) compared to placebo in Amyotrophic Lateral Sclerosis (ALS) patients. Disease progression as defined by changes in ALSFRS-r is the primary outcome measure. Other measures of clinical progression and survival, together with safety and tolerability of Colchicine in ALS patients will be assessed.

Full description

Recent evidence supports the disruption of the ubiquitin-proteasome-system and autophagy as central events in ALS. ALS is characterized by the presence of misfolded proteins prone to oligomerize into aggregates, which exert a toxic effect by affecting several intracellular functions. Heat shock protein B8 (HSPB8) recognizes and promotes the autophagy-mediated removal of misfolded mutant SOD1 and TDP-43 fragments from ALS motor neurons (MNs). Moreover, HSPB8-BAG3-HSP70 maintains the so called "granulostasis", a surveillance mechanism that avoids the conversion of dynamic stress granules (SGs) into aggregation-prone assemblies, which are a hallmark of ALS.

Colchicine enhances the expression of HSPB8 and of several autophagy players while blocking TDP-43 accumulation in neurons. Moreover, given the cross-talk between infalmmation and autophagy, the well-known antinflammatory action of Cochicine may contribute to cell homeostasis.

Based on these premises, this is a phase II randomized, double-blind, placebo-controlled, multicenter (9 MND Centres in Italy: 2 centres in Milan, Pavia, Turin, Modena, Padua, Rome, Naples, Bari), clinical trial to test efficacy of Colchicine in ALS.

Enrollment

54 patients

Sex

All

Ages

18 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patients diagnosed with a laboratory supported, clinically "probable" or "definite" amyotrophic lateral sclerosis according to the Revised El Escorial criteria (Brooks, 2000)
  • Sporadic ALS
  • ALS phenotypes: classic or bulbar
  • Female or male patients aged between 18 and 80 years old
  • Disease duration from symptoms onset no longer than 18 months at the screening visit
  • Patients treated with a stable dose of Riluzole (100 mg/day) for at least 30 days prior to screening
  • Patients with a weight > 50 kg and a BMI ≥18
  • Patients with a FVC (Forced Vital Capacity) equal or more than 65 % predicted normal value for gender, height, and age at the screening visit Patients able and willing to comply with study procedures as per protocol
  • Patients able to understand, and capable of providing informed consent at screening visit prior to any protocol-specific procedures
  • Use of highly effective contraception

Exclusion criteria

  • Prior use of Colchicine
  • Prior allergy/sensitivity to Colchicine
  • Receiving Colchicine or other anti-inflammatory drugs (such as corticosteroids, methotrexate, anti-neoplastic, Interleukin 1-1b antagonist, Tumor necrosis factor-alpha inhibitor)
  • Receiving food or co-medications such as strong-moderate cytochrome P450 3A4 inhibitors that will result in elevated plasma level of Colchicine
  • Inflammatory disorders (SLE, Rheumatoid arthritis, connective tissue disorder) or chronic infections (HIV, hepatitis B or C infection) or significant history of malignancy
  • Severe renal (eGFR< 30ml/min/1.73m2), or liver failure or liver aminotransferase (ALT/AST > 2x Upper limit of normal),
  • Existing blood dyscrasia (e.g., myelodysplasia)
  • White blood cells<4,000/mm³, platelets count<100,000/mm³, hematocrit<30%
  • Severe comorbidities (heart, renal, liver failure), autoimmune diseases or any type of interstitial lung disease
  • Patients who underwent non invasive ventilation, tracheotomy and /or gastrostomy
  • Women who are pregnant or breastfeeding
  • Participation in pharmacological studies within the last 30 days before screening
  • Patients with the following ALS phenotypes: flail arm, flail leg, UMN-p, respiratory, PLS, progressive muscular atrophy.
  • Patients with familial ALS defined as presence of at least one first degree family member (parents/son/daughter/brother/sister) affected by ALS.
  • Patients with known pathogenic mutations (SOD1, TARDBP, FUS, C9ORF72).

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

54 participants in 3 patient groups, including a placebo group

Colchicine 0.01mg/kg/day + Riluzole 100 mg
Active Comparator group
Description:
Oral colchicine will be administered at fast, at specified dose pro kilograms for 30 weeks, while taking Riluzole 100 mg/day
Treatment:
Drug: Colchicine 1 MG Oral Tablet
Drug: Colchicine 1 MG Oral Tablet
Colchicine 0.005 mg/kg/day + Riluzole 100 mg
Active Comparator group
Description:
Oral colchicine will be administered at fast, at specified dose pro kilograms for 30 weeks, while taking Riluzole 100 mg/day
Treatment:
Drug: Colchicine 1 MG Oral Tablet
Drug: Colchicine 1 MG Oral Tablet
Placebo + Riluzole 100 mg
Placebo Comparator group
Description:
Placebo pills will be administered at fast, while taking Riluzole 100 mg/day
Treatment:
Drug: Placebo Oral Tablet

Trial contacts and locations

8

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Data sourced from clinicaltrials.gov

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