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Preventive Treatment of OxaLiplatin Induced peripherAl neuRopathy in Adjuvant Colorectal Cancer (POLAR-A)

E

Egetis Therapeutics

Status and phase

Terminated
Phase 3

Conditions

Chemotherapy-induced Peripheral Neuropathy
Colorectal Cancer

Treatments

Other: Placebo
Drug: Calmangafodipir (5 µmol/kg)

Study type

Interventional

Funder types

Industry

Identifiers

NCT04034355
2017-004707-43 (EudraCT Number)
PP06489

Details and patient eligibility

About

This study is to evaluate PledOx for prevention of chronic chemotherapy induced peripheral neuropathy induced by oxaliplatin in patients with Stage III or high-risk Stage II colorectal cancer (CRC).

Full description

This is a Phase 3, multicenter, double-blind, placebo-controlled study with PledOx for prevention of chronic CIPN induced by oxaliplatin in patients with Stage III or high-risk Stage II colorectal cancer (CRC).

Patients with CRC, who are indicated for adjuvant modified FOLFOX6 (mFOLFOX6) chemotherapy for up to 6 months, will be randomized in a 1:1 ratio to 1 of 2 treatment arms:

  • Arm A: PledOx (5 µmol/kg) + mFOLFOX6 chemotherapy
  • Arm B: Placebo + mFOLFOX6 chemotherapy

Before March 2nd., 2020, the investigational medicinal product (IMP; i.e. PledOx or placebo) was administered by an intravenous (i.v.) infusion on the first day of each chemotherapy cycle. IMP was not to be administered if mFOLFOX6 was not given to the patient.

If a patient later discontinues oxaliplatin, treatment with 5-FU/folinate and IMP may be continued.

As of March 2nd., all patients have to stop IMP but may continue mFOLFOX6.

Enrollment

301 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Signed informed consent form before any study related assessments and willing to follow all study procedures.
  2. Male or female aged ≥18 years.
  3. Pathologically confirmed adenocarcinoma of the colon or rectum including: Stage III carcinoma (any T N1,2 M0) or Stage II carcinoma (T3,4 N0 M0).
  4. The patient has undergone curative (R0) surgical resection performed within 12 weeks prior to randomization
  5. The patient has a postsurgical carcinoembryonic antigen (CEA) level ≤1.5 x upper limit of normal (ULN, in current smokers, CEA level ≤2.0 x ULN is allowed).
  6. No prior anti-cancer therapy for CRC except radiotherapy or concomitant chemo-radiotherapy using a fluoropyrimidine alone for locoregional rectal cancer.
  7. Patient indicated for up to 6 months of oxaliplatin-based chemotherapy and without pathological findings of a neurologic exam performed prior to oxaliplatin treatment according to local practice.
  8. Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
  9. Adequate hematological parameters: hemoglobin ≥100 g/L, absolute neutrophil count ≥1.5 x 109 /L, platelets ≥100 x 109 /L.
  10. Adequate renal function: creatinine clearance >50 cc/min using the Cockcroft and Gault formula or measured.
  11. Adequate hepatic function: total bilirubin ≤1.5 x ULN (except in the case of known Gilbert's syndrome); aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤3 x ULN.
  12. Baseline blood manganese (Mn) level <2.0 x ULN.
  13. For patients with a history of diabetes mellitus, HbA1c ≤7%.
  14. Negative pregnancy test for women of child-bearing potential (WOCBP).
  15. For men and WOCBP, use of adequate contraception (oral contraceptives, intrauterine device or surgically sterile) while on study drug and for at least 6 months after completion of study therapy.

Exclusion criteria

  1. Any evidence of metastatic disease.
  2. Any unresolved toxicity by National Cancer Institute-Common Terminology Criteria for Adverse Events Version (NCI-CTCAE) v.4.03 >Grade 1 from previous anti-cancer therapy (including radiotherapy), except alopecia.
  3. Any grade of neuropathy from any cause.
  4. Any evidence of severe or uncontrolled systemic diseases (e.g., unstable or uncompensated respiratory, cardiac, unresolved bowel obstruction, hepatic or renal disease).
  5. Chronic infection or uncontrolled serious illness causing immunodeficiency. Patients with known history of chronic hepatitis B can be enrolled if they are asymptomatic and an acute and active HBV infection can be excluded.
  6. Any history of seizures.
  7. A surgical incision that is not healed.
  8. Known hypersensitivity to any of the components of mFOLFOX6 and, if applicable, therapies to be used in conjunction with the chemotherapy regimen or any of the excipients of these products.
  9. History of other malignancies (except for adequately treated basal or squamous cell carcinoma or carcinoma in situ) within 5 years, unless the patient has been disease free for that other malignancy for at least 2 years.
  10. Known dihydropyrimidine dehydrogenase deficiency.
  11. Pre-existing neurodegenerative disease (e.g., Parkinson's, Alzheimer's, Huntington's) or neuromuscular disorder (e.g., multiple sclerosis, amyotrophic lateral sclerosis, polio, hereditary neuromuscular disease).
  12. Major psychiatric disorder (major depression, psychosis), alcohol and/or drug abuse.
  13. Patients with a history of second or third degree atrioventricular block or a family heredity.
  14. A history of a genetic or familial neuropathy.
  15. Treatment with any investigational drug within 30 days prior to randomization.
  16. Pregnancy, lactation or reluctance to using contraception.
  17. Any other condition that, in the opinion of the Investigator, places the patient at undue risk.
  18. Previous exposure to mangafodipir or calmangafodipir.
  19. Welders, mine workers or other workers in occupations (current or past) where high Mn exposure is likely.

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

301 participants in 2 patient groups, including a placebo group

PledOx (5 µmol/kg)
Experimental group
Description:
Calmangafodipir 5 µmol/kg
Treatment:
Drug: Calmangafodipir (5 µmol/kg)
Placebo
Placebo Comparator group
Description:
0.9% sodium chloride in 20 mL vials
Treatment:
Other: Placebo

Trial documents
2

Trial contacts and locations

65

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Data sourced from clinicaltrials.gov

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