- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT00404508
A Phase II Study of Epigenetic Therapy to Overcome Chemotherapy Resistance in Refractory Solid Tumors
A Phase II Study of Epigenetic Therapy With Hydralazine and Magnesium Valproate to Overcome Chemotherapy Resistance in Refractory Solid Tumors
Chemotherapy resistance, either innate or acquired requires for its development, expression changes on a large number of genes therefore, it has been hypothesized that epigenetic-mediated changes could be the responsible driving force for chemotherapy resistance. Aberrant DNA methylation and histone deacetylation are the main epigenetic alterations hence, their reversal by inhibitors of DNA methylation and histone deacetylases (HDACs) may overcome resistance in refractory solid tumors.
Patients will be treated with hydralazine and magnesium valproate starting from day -7 until chemotherapy ends which consists on the same pre-study protocol regimen on which patients progressed. Response and toxicity were evaluated. Global DNA methylation and HDAC activity were evaluated in the peripheral blood cells, as well as the plasma levels of valproic acid and hydralazine.
Studieoversikt
Status
Forhold
Intervensjon / Behandling
Detaljert beskrivelse
Studietype
Registrering
Fase
- Fase 2
Kontakter og plasseringer
Studiesteder
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Tlalpan
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Mexico City, Tlalpan, Mexico, 14080
- National Institute of Cancerología
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Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Beskrivelse
Inclusion Criteria:
- Aged18 years and older.
- Histologically proven malignant solid tumors who were receiving their second, third or fourth line of palliative chemotherapy and who showed at the second or third course progressive disease as their maximum response according to the RECIST criteria or to the IGCG CA125 criteria in case of ovarian cancer patients.
- Measurable disease defined by 1 of the following criteria: Any unidimensional measurable lesion ≥ 10 mm by standard MRI or CT scan for solid tumors; or at least 1 non-measurable lesion that is evaluable by nuclear medicine, tumor markers, or other reliable measures.
- Eastern Cooperative Oncology Group (ECOG) performance status ≤2; Absolute leukocyte count (≥4000/mm3), platelets ≥100,000/mm3, hemoglobin ≥9.0 g/dL; total bilirubin, aspartate amino transferase (AST) and alanine amino transferase (ALT) <1.5 the upper normal limit (UNL), creatinine ≤1.2 mg/dL or a calculated creatinine clearance of ≥60 mL/min.
- Life expectancy of more than three months,
- Written informed consent.
Exclusion Criteria:
- History of allergy to hydralazine or valproate.
- Past or present condition of rheumatic disease, central nervous system disease, heart failure from aortic stenosis and postural hypotension as diagnosed by a physician.
- Previous use of the experimental drugs (hydralazine and magnesium valproate)
- Pregnancy or breast-feeding.
- Uncontrolled systemic disease or infection.
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Behandling
- Tildeling: Ikke-randomisert
- Intervensjonsmodell: Enkeltgruppeoppdrag
- Masking: Ingen (Open Label)
Hva måler studien?
Primære resultatmål
Resultatmål |
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Sikkerhet
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Clinical benefit (complete response, partial response and stable disease)
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Sekundære resultatmål
Resultatmål |
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Global DNA-metylering
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HDAC inhibition
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Gene promoter demethylation from serum DNA
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Samarbeidspartnere og etterforskere
Etterforskere
- Studieleder: Alfonso Duenas-Gonzalez, MD PhD, National Institute of Cancerología
Publikasjoner og nyttige lenker
Studierekorddatoer
Studer hoveddatoer
Studiestart
Studiet fullført
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Anslag)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Anslag)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Ytterligere relevante MeSH-vilkår
- Neoplasmer
- Fysiologiske effekter av legemidler
- Nevrotransmittere agenter
- Molekylære mekanismer for farmakologisk virkning
- Antihypertensive midler
- Vasodilaterende midler
- Sentralnervesystemdepressiva
- Enzymhemmere
- Beroligende midler
- Psykotropiske stoffer
- GABA-agenter
- Antikonvulsiva
- Antimaniske midler
- Valproinsyre
- Hydralazin
Andre studie-ID-numre
- 005/32/DII
Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .
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LMU KlinikumRekrutteringPompes sykdom (sen debut) | FSHD | Spinal muskelatrofi type 3 | InklusjonskroppsmyosittTyskland