MedPath

Efficacy and Safety of the Prophylactic Use of Doxycycline +/- Vitamin K Cream

Phase 2
Completed
Conditions
Metastatic Colorectal Cancer
Interventions
Device: Reconval K1 Cream
Device: Reconval Cream
Registration Number
NCT01345526
Lead Sponsor
Universitätsmedizin Mannheim
Brief Summary

The aim of this Phase 2, two-arm, randomized, double blind placebo controlled study is to evaluate the efficacy of combination therapy of doxycycline and Vitamin K1 compared to doxycycline plus placebo for the prevention of acne-like skin rash in mCRC patients receiving first line cetuximab treatment.

Detailed Description

The aim of this Phase 2, two-arm, randomized, double blind placebo controlled study is to evaluate the efficacy of combination therapy of doxycycline and Vitamin K1 compared to doxycycline plus placebo for the prevention of acne-like skin rash in mCRC patients receiving first line cetuximab treatment.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
124
Inclusion Criteria
  • Written informed consent must be given
  • Patient ≥ 18 years
  • Histologically proven and measurable metastatic adenocarcinoma of the colon or rectum (according to modified RECIST criteria v.1.1)
  • Patients eligible for Erbitux and FOLFIRI treatment K-Ras wild type tumour
  • Metastatic disease
  • Life expectancy of at least 12 weeks
  • WHO performance status of 0 or 1
  • Effective contraception for both male and female patients if the risk of conception exists
  • Adequate organ function
  • Adequate bone marrow, hepatic and renal function (Hemoglobin > 10.0 g/dL, platelet count > 100 x 109/L, absolute neutrophil count > 1.5 x 109/L; ALAT, ASAT < 2.5 x ULN (upper limit of normal range) or < 5x ULN in case of liver metastasis; Alkaline phosphatase < 2.5 x ULN; Total bilirubin < 1.5 x ULN; Creatinine clearance > 50 mL/min (calculated according to Cockcroft and Gault formula)).
Exclusion Criteria
  • Prior treatment for metastatic disease (adjuvant therapy with 5-FU/oxaliplatin based regimens) allowed if stopped 6 months prior to registration on study
  • Prior treatment with EGFR inhibitor
  • Surgery (excluding diagnostic biopsy) or irradiation within 4 weeks prior to study entry
  • Administration of any investigational drug or agent/procedure, i.e. participation in another trial within 4 weeks before beginning treatment with study drugs
  • Concurrent chronic systemic immune therapy, chemotherapy, radiation therapy or hormone therapy not indicated in the study protocol
  • Any active dermatological condition > grade 1 at baseline possibly interfering with or influencing the results or conduct of the present study
  • Brain metastasis (known or suspected)
  • Significant impairment of intestinal resorption (e.g. chronic diarrhea, inflammatory bowel disease)
  • Any other uncontrolled concomitant illness, including serious uncontrolled intercurrent infection
  • Severe or uncontrolled cardiovascular disease (congestive heart failure NYHA III or IV, unstable angina pectoris, history of myocardial infarction within the last twelve months, significant arrhythmias)
  • Known allergy or any other adverse reaction to any of the study drugs or to any related compound.
  • Any organ allograft requiring immunosuppressive therapy.
  • Pregnancy (absence to be confirmed by serum/urine beta human chorion gonadotrophin (HCG)) or breast-feeding.
  • Other previous malignancy within 5 years, with exception of a history of a previous basal cell carcinoma of the skin or pre-invasive carcinoma of the cervix surgically cured or adequately treated.
  • Known drug abuse / alcohol abuse
  • Legal incapacity or limited legal capacity
  • Any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and followup schedule; those conditions should be discussed with the patient before registration in the trial.
  • Medical or psychological condition which, in the opinion of the investigator, would not permit the patient to complete the study or meaningfully sign informed consent.
  • Known M. Meulengracht (Gilbert´s disease) or DPD-insufficiency
  • Known coagulation disorders
  • Ongoing or planned treatment with coumarin derivates

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Metastatic colorectal cancer, Doxycycline, Vitamin K1 CreamReconval K1 Cream-
Metastatic colorectal cancer, Doxycycline, CreamReconval Cream-
Primary Outcome Measures
NameTimeMethod
PFS rate, toxicity, complianceWeek 8
Occurrence of acne-like skin rash grade ≥ 2 (according to the CTCAE) version 4.02) during the 8 weeks of skin treatment.Week 8
Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (2)

Institute of Oncology Ljubljana

🇸🇮

Ljubljana, Slovenia

Unversity Hospital Mannheim

🇩🇪

Mannheim, Germany

© Copyright 2025. All Rights Reserved by MedPath