E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
We investigated, in a population of patients with breast cancer, the combined effect of azithrocyn, docyciclin and vitamin C on biomarkers associated with cell proliferation |
In una popolazione con tumore precoce alla mammella sarà investigato ll'effetto combinato di azitromicina, doxiciclina e vitamina C sui bomarcatori associati alla proliferazione cellulare. |
|
E.1.1.1 | Medical condition in easily understood language |
women with breasat cancer who require a surgical treatment of the disease |
donne con tumore al seno che necessitano di trattamento chirurgico |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10079328 |
E.1.2 | Term | Breast tumor excision |
E.1.2 | System Organ Class | 100000004865 |
|
E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
to assess whether the DAV combination treatment reduces the proliferative activity of ther tumor, measured with an immunohistochemical method using anti-ki67 antibody |
valutare se il trattamento di combinazione DAV riduce l’attività proliferativa del tumore, misurata con metodica immunoistochimica con anticorpo anti ki67. |
|
E.2.2 | Secondary objectives of the trial |
(1) to evaluate the effect of the DAV combination treatment with respect to changes in stem cell markers (ALDH, CD44 / 24), differentiation (nuclear and histological grade), mitochondrial mass (TOMM20), senescence (beta -galactosidase, lipofuscin), of apoptosis (Cleaved caspase 3, TUNEL assay), of angiogenesis (CD31), of regulation of the cell cycle (p27), measured with immunistochemical method, comparing the values on the tumor tissue obtained with preoperative biopsy and subsequently on whole tumor surgically removed; (2) to evaluate the molecular basis of possible resistance to antibiotic treatment; (3) identify and monitor the presence of circulating tumor cells (CTC); (4) assessing the effect of treatment on disease-free interval; (5) assessing whether the DAV combination treatment is more effective than the Doxycycline alone therapy (6) assessing the safety and tolerability of the DAV regime. |
Obiettivi secondari: (1) valutare l’effetto del trattamento di combinazione DAV rispetto alle variazioni dei marcatori di staminalità (ALDH, CD44/24), di differenziamento (grado nucleare ed istologico), di massa mitocondriale (TOMM20), di senescenza (beta-galattosidasi, lipofuscina), di apoptosi (Cleaved caspase 3, TUNEL assay), di angiogenesi (CD31), di regolazione del ciclo cellulare (p27), misurati con metodica immunistochimica, confrontandone i valori sul tessuto tumorale ottenuto con biopsia preoperatoria e successivamente sull’intero tumore asportato chirurgicamente; (2) valutare le basi molecolari della eventuale resistenza al trattamento antibiotico; (3) individuare e monitorare la presenza di cellule tumorali circolanti (CTC); (4) valutare l’effetto del trattamento sull’intervallo libero di malattia; (5) valutare se il trattamento di combinazione DAV risulta più efficace rispetto alla terapia con la sola Doxiciclina (6) valutare la sicurezza e tollerabilità del regime DAV. |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
(1) accession through informed consent; (2) WHO Performance Status 0-1; (3) ability to swallow; (4) adult females; (5) Clinical stage 1-3 AJCC; (6) planned surgical intervention in accordance with the timing of the trial; (7) normal kidney and liver function; (8) diagnosis of invasive carcinoma verified by biopsy. |
Criteri di inclusione: (1) adesione tramite consenso informato; (2) WHO Performance Status 0-1; (3) capacità di deglutire conservata; (4) femmine adulte; (5) Stadio clinico 1-3 operabile sec. AJCC; (6) intervento chirurgico programmato in accordo con i tempi della sperimentazione; (7) funzionalità renale ed epatica nella norma; (8) diagnosi di carcinoma invasivo accertata tramite biopsia. |
|
E.4 | Principal exclusion criteria |
(1) previous treatments for breast cancer or other malignancies (except malignant skin tumors other than melanoma); (2) surgical treatments or antibiotics in the 4 weeks prior to entering the trial; (3) known intolerance or allergy to the drugs being tested; (4) presence of severe or uncontrolled systemic diseases; (5) concomitant neoadjuvant therapy; (6) surgery scheduled less than two weeks after the signing of the informed consent; (7) pregnancy or breastfeeding; (8) concomitant therapies with drugs capable of interacting with Doxycycline, Azithromycin or Vitamin C; (9) inability to understand and to wish; (10) homeless patients; (11) history of abuse or dependence on alcohol and / or drugs; (12) deficiency of the enzyme glucose 6P dehydrogenase. |
(1) precedenti trattamenti per carcinoma mammario o altre neoplasie maligne (ad esclusione di tumori maligni della cute diversi dal melanoma); (2) trattamenti chirurgici o antibiotici nelle 4 settimane precedenti all’ingresso nella sperimentazione; (3) intolleranza o allergia note ai farmaci in sperimentazione; (4) presenza di malattie sistemiche severe o non controllate; (5) concomitante terapia neoadiuvante; (6) intervento chirurgico programmato a meno di due settimane dalla firma del consenso informato; (7) gravidanza o allattamento; (8) terapie concomitanti con farmaci capaci di interagire con la Doxiciclina, la Azitromicina o la Vitamina C, inclusi i contraccettivi; (9) incapacità di intendere e di volere; (10) pazienti senza fissa dimora; (11) storia d abuso o di dipendenza da alcol e/o droga; (12) deficienza dell’enzima glucosio 6P deidrogenasi. |
|
E.5 End points |
E.5.1 | Primary end point(s) |
Reduction in Ki67 expression in post-treatment tumor samples compared to pre-treatment tumor core biopsies (from the same patient). Post-treatment samples will also be compared with untreated samples |
il trattamento di combinazione DAV riduce l’attività proliferativa del tumore, misurata con metodica immunoistochimica con anticorpo anti ki67. |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
End points will be evaluated at the diagnosis (bioptic material, pretreatment evaluation) and in the surgically-removed tumour tissue (post-treatment evaluation). |
Lendpoint sarà valutato alla diagnosi (materiale bioptico, valutazioni pretrattamento) e nel tessuto tumorale rimosso tramite chirurgia ( valutazione post trattamento) |
|
E.5.2 | Secondary end point(s) |
In post-treatment compared to pre-treatment patient tumor samples, as well as in post-treatment compared to untreated patient tumor samples: • Reduction in cancer stem cell markers (ALDH, CD44/24) • Increase in tumor differentiation markers (Nuclear grading and histological grading) • Reduction in mitochondrial markers (such as TOMM20) • Reduction in angiogenesis markers (CD31) • Reduction in senescence markers (beta-galactosidase and lipofuscin) • Increase in apoptotic markers (p27, cleaved caspase 3 and TUNEL) In post-treatment compared to pre-treatment patient blood samples: • Decreased levels of circulating tumor cells In post-treatment compared to pre-treatment patients: • Tumor mass is decreased In post-treatment compared to untreated patient tumor samples: • Alterations in genetic profiling • Alterations in proteomics profiling In post-treatment compared to untreated patients: • Elevated blood levels and tumor tissue levels of DAV (doxycycline, azithromycin and vitamin C) • Blood levels of CA15.3 are <30 U/ml at follow up every 4 months for the first 3 years and then every 6 months for the following two years • Radiological follow up (yearly mammography and ultrasound) show no signs of recurrence for 5 years In tumor samples from post-treatment patients compared to treated patients from the ABC trial using z-test for two proportions. • The reduction in cancer stem cells markers is enhanced as compared to data collected with the ABC trial |
Endpoint secondari: (1) il trattamento di combinazione DAV riduce i marcatori di staminalità (ALDH, CD44/24), modifica il differenziamento (grado nucleare ed istologico), riduce la massa mitocondriale (TOMM20), modifica i marcatori di senescenza (beta-galattosidasi, lipofuscina), di apoptosi (Cleaved caspase 3, TUNEL assay), di angiogenesi (CD31), di regolazione del ciclo cellulare (p27), misurati con metodica immunistochimica; (2) delineare le basi molecolari della eventuale resistenza al trattamento di combinazione DAV; (3) il trattamento di combinazione DAV riduce il numero di cellule tumorali circolanti (CTC); (4) il trattamento di combinazione DAV allunga l’intervallo libero di malattia; (5) il trattamento di combinazione DAV risulta più efficace rispetto alla terapia con la sola Doxiciclina (6) il trattamento di combinazione DAV risulta sicuro e tollerabile. |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
End points will be evaluated at the diagnosis (bioptic material, pretreatment evaluation) and in the surgically-removed tumour tissue (post-treatment evaluation). |
Gli endpoints saranno valutati alla diagnosi (materiale bioptico, valutazione pretrattamento) e nel tessuto tumorale rimosso dopo intervento chirurgico ( valutazione post trattamento) |
|
E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | No |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
nessun trattamento |
any treatment |
|
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.4.1 | Number of sites anticipated in Member State concerned | 1 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | Information not present in EudraCT |
E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
|
For each patient, the study will be completed at the end of treatment and of follow up. The study will be considered concluded when patient enrollment is completed. This decision will be made by the investigators. |
Per ogni paziente lo studio sarà considerato concluso alla fine del trattamento e del follow up. Lo studio sarà considerato concluso quando l'arruolamento sarà completato. La decisione sarà presa dai ricercatori. |
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 7 |
E.8.9.1 | In the Member State concerned months | 0 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 7 |
E.8.9.2 | In all countries concerned by the trial months | 0 |
E.8.9.2 | In all countries concerned by the trial days | 0 |