- ICH GCP
- US-Register für klinische Studien
- Klinische Studie NCT03572140
Safety of Sofosbuvir ,Daclatasvir in HCV Patients and RAVS in Resistent and Relapsed Cases (RAVs)
Safety of Sofosbuvir Plus Daclatasvir in Patients With Chronic Hepatitis c Virus and Assessment of Resistance Associated Variants in Resistant and Relapsed Cases
To identify side effects of Sofosbuvir/ Daclatasvir treatment regimen of chronic HCV GT-4 infection.
- To assess the occurrence and the prevalence of RAVs in patients with treatment failure and relapse after sofosbuvir and daclatasvir with assessment of their types .
- To examine the GT4 subtypes by phylogenetic analysis and baseline sequence variability among subtypes and their potential impact on treatment outcome and development of viral resistance in patients who received a regimen of Sofosbuvir/ Daclatasvir for treatment of chronic HCV GT-4.
- To assess the differences in patient demographics across GT4 subtypes.
Studienübersicht
Status
Bedingungen
Intervention / Behandlung
Detaillierte Beschreibung
Hepatitis C virus (HCV) chronically infects approximately 120-130 million individuals worldwide .Mortality related to HCV infection has been estimated at approximately 300,000 deaths per year..
Direct antiviral agents (DAAs) effectively eradicate HCV and rapidly improve residual liver functions. Current HCV eradication rates have exceeded 90% in a very short time .
Hepatitis C virus genotype 4 (GT4) is genetically diverse, with 17 confirmed subtypes, and comprises approximately 13% of infections worldwide [3]. In Egypt, GT4 accounts for approximately 90% of infections, with subtype 4a predominating .
Sofosbuvir and daclatasvir are generally well tolerated with only a few adverse effects reported.
Hepatitis C virus resistant associated variants (RAVs) are seen in most patients who do not achieve sustained virological response (SVR). These resistance-associated mutations depend on the class of direct-acting antiviral drugs used and also vary between hepatitis C virus genotypes and subtypes.
Donaldson et al performed an analysis on four phase III clinical trials in search of common RAVs against sofosbuvir, discovering L159F, C316N, and V321A were associated with virological failure. Interestingly, this study also verified S282R mutation as associating with failure.
NS5A RAVs can be very common, with Y93H detected in up to 15% of the population and L31M in up to 6.3%. Other RAVs tend to also be fairly common detected in approximately 0.3%-3.5% of the population
Studientyp
Einschreibung (Voraussichtlich)
Kontakte und Standorte
Studienkontakt
- Name: Rasha Ali, Assistant lecturer
- Telefonnummer: 01062821017
- E-Mail: rasha.maree77@gmail.com
Studieren Sie die Kontaktsicherung
- Name: hellal hetta, Lecturer
- Telefonnummer: 01002386255
- E-Mail: hellalhetta@yahoo.com
Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Probenahmeverfahren
Studienpopulation
Beschreibung
Inclusion Criteria:
- Anti HCV positive patients either chronic HCV or liver cirrhosis. • Detectable HCV RNA by quantitative polymerase chain reaction (PCR) prior to treatment
Exclusion Criteria:
- Co-infection with hepatitis B virus .
- Presence of malignancy before treatment.
- End-stage liver disease (Child score more than 9).
- Major co-morbid disease e.g heart failure
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
Kohorten und Interventionen
Gruppe / Kohorte |
Intervention / Behandlung |
---|---|
group A
RAVS IN resistent cases after daclatasvir plus sofosbuvir treatment
|
assessment of RAVS in relapsed and resistant cases after sofosbuvir plus daclatasvir regimen
|
group B
RAVS IN relapsed cases after daclatasvir plus sofosbuvir treatment
|
assessment of RAVS in relapsed and resistant cases after sofosbuvir plus daclatasvir regimen
|
Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
---|---|---|
relevance of HC RAVs to the outcomes of therapy with Sofosbuvir in treatment of egyptian patients infected with HCV genotype 4
Zeitfenster: baseline
|
that may be used in the future to predict the response to Sofosbuvir and this will save a huge cost for Egypt .
|
baseline
|
Mitarbeiter und Ermittler
Sponsor
Ermittler
- Hauptermittler: Ahlam Farghaly, Professor, Assiut University
- Hauptermittler: haidi ramadan, Lecturer, Assiut University
Publikationen und hilfreiche Links
Allgemeine Veröffentlichungen
- Conti F, Buonfiglioli F, Scuteri A, Crespi C, Bolondi L, Caraceni P, Foschi FG, Lenzi M, Mazzella G, Verucchi G, Andreone P, Brillanti S. Early occurrence and recurrence of hepatocellular carcinoma in HCV-related cirrhosis treated with direct-acting antivirals. J Hepatol. 2016 Oct;65(4):727-733. doi: 10.1016/j.jhep.2016.06.015. Epub 2016 Jun 24.
- Ben Ari Z. [Chronic hepatitis C infection--eradication of the virus]. Harefuah. 2014 Jul;153(7):392-3, 433. Hebrew.
- Reig M, Marino Z, Perello C, Inarrairaegui M, Ribeiro A, Lens S, Diaz A, Vilana R, Darnell A, Varela M, Sangro B, Calleja JL, Forns X, Bruix J. Unexpected high rate of early tumor recurrence in patients with HCV-related HCC undergoing interferon-free therapy. J Hepatol. 2016 Oct;65(4):719-726. doi: 10.1016/j.jhep.2016.04.008. Epub 2016 Apr 13.
- Kamal SM, Nasser IA. Hepatitis C genotype 4: What we know and what we don't yet know. Hepatology. 2008 Apr;47(4):1371-83. doi: 10.1002/hep.22127.
- Di Lello FA, Neukam K, Parra-Sanchez M, Plaza Z, Soriano V, Cifuentes C, Mira JA, Poveda E, Pineda JA. Hepatitis C virus genotype 4 in Southern and Central Spain does not originate from recent foreign migration waves. J Med Virol. 2013 Oct;85(10):1734-40. doi: 10.1002/jmv.23657. Epub 2013 Jul 16.
- Donaldson EF, Harrington PR, O'Rear JJ, Naeger LK. Clinical evidence and bioinformatics characterization of potential hepatitis C virus resistance pathways for sofosbuvir. Hepatology. 2015 Jan;61(1):56-65. doi: 10.1002/hep.27375. Epub 2014 Nov 20.
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn (Voraussichtlich)
Primärer Abschluss (Voraussichtlich)
Studienabschluss (Voraussichtlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Tatsächlich)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Tatsächlich)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Andere Studien-ID-Nummern
- RAVS in HCV
Arzneimittel- und Geräteinformationen, Studienunterlagen
Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt
Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt
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