Drugs / Peginterferon alfa-2a
last change Sep 2026 re-read 9 days ago

Peginterferon alfa-2a

Protein / enzyme biologic

Developed for
chronic hepatitis C virus infection · chronic hepatitis B virus infection · hepatitis C virus infection · HIV infectious disease · hepatitis D virus infection · hepatitis B virus infection · cirrhosis of liver · acquired polycythemia vera
+17 more · acute hepatitis C virus infection · chronic myeloid leukemia · essential thrombocythemia · hepatocellular carcinoma · breast cancer · fibrotic liver disease · melanoma · myelofibrosis · colon carcinoma · hepatitis · infectious disease · membranous glomerulonephritis · metastatic malignant neoplasm · renal cell carcinoma · skin cancer · end stage renal failure · primary myelofibrosis
Investigated by
Hoffmann-La Roche · Roche Pharma AG · National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) · Bristol-Myers Squibb · Gilead Sciences · Vertex Pharmaceuticals Incorporated
+184 more · National Institute of Allergy and Infectious Diseases (NIAID) · National Taiwan University Hospital · Third Affiliated Hospital, Sun Yat-Sen University · Beijing Ditan Hospital · National Cancer Institute (NCI) · First People's Hospital of Foshan · National Science and Technology Council, Taiwan · Peking University · Shenzhen Third People's Hospital · ANRS, Emerging Infectious Diseases · Chugai Pharmaceutical · Department of Health, Executive Yuan, R.O.C. (Taiwan) · First Affiliated Hospital of Kunming Medical University · First People's Hospital, Shunde China · French National Agency for Research on AIDS and Viral Hepatitis · Huazhong University of Science and Technology · Huizhou Municipal Central Hospital · Nanchang University · Novartis · Ruijin Hospital · Tang-Du Hospital · Yuebei People's Hospital · Chinese University of Hong Kong · EIT Pharma, Inc. · Fight AIDS and Infectious Diseases Foundation · Germans Trias i Pujol Hospital · Hospices Civils de Lyon · Hospital Carlos III, Madrid · Kirby Institute · M.D. Anderson Cancer Center · Merck Sharp & Dohme LLC · Myeloproliferative Disorders-Research Consortium · National Institute on Minority Health and Health Disparities (NIMHD) · Novira Therapeutics, Inc. · Replicor Inc. · Ronald Hoffman · Sociedad Andaluza de Enfermedades Infecciosas · Sun Yat-sen University · University Hospital, Bonn · Yonsei University · Alnylam Pharmaceuticals · Ankara University · Arrowhead Pharmaceuticals · Asan Medical Center · Ascletis Pharmaceuticals Co., Ltd. · Azienda Ospedaliera V. Cervello · Azienda Ospedaliera, Lucca · Azienda Ospedaliera, Siracusa · Azienda Ospedaliero Universitaria di Sassari · Azienda Ospedaliero-Universitaria, Catania · Beijing 302 Hospital · BriaCell Therapeutics Corporation · California HIV/AIDS Research Program · Campus-Bio-Medico University · Canadian Institutes of Health Research (CIHR) · Cardarelli Hospital · Careggi University Hospital · Carelon Research · Casa Sollievo della Sofferenza IRCCS · Casa di Cura Mater Dei · Centre Hospitalier Universitaire de Nice · Chang Gung Memorial Hospital · Chungnam National University · Debiopharm International SA · Dermatologic Cooperative Oncology Group · Diakonos Oncology Corporation · Dimension Research · Dr. Conrado Fernandez · Eighth Affiliated Hospital, Sun Yat-sen University · Federico II University · Fondazione IRCCS Policlinico San Matteo di Pavia · Foundation for Liver Research · Gangnam Severance Hospital · Genentech, Inc. · all 190 on the full record

Regulatory milestones approvals, filings & regulatory actions · 10 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansions (8) US (FDA) PEGASYS — 2002-12-03 – 2023-12-11 fda.gov ↗
Approved US (FDA) PEGASYS — 2002-10-16 fda.gov ↗
Approved EU (EMA) Pegasys — 2002-06-20 europa.eu ↗

Trials 227 · started per year

today
EU approved 2002
US approved 2002
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20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT00882193 May 2009 → Jan 2011 chronic hepatitis C virus infection University of Nebraska Terminated No outcome recorded
Phase 112 trials
Phase 1 NCT07389044 Feb 2026 → Apr 2027 expected chronic hepatitis B virus infection IntegerBio Recruiting No outcome recorded
Phase 1 NCT06144697 Jan → Oct 2024 — Bristol-Myers Squibb Terminated No outcome recorded Stop: Business
Phase 1 NCT05535764 Aug 2023 → Aug 2026 overdue myelofibrosis University of Utah Recruiting No outcome recorded
Phase 1 NCT02407080 Apr 2015 → Dec 2018 acquired polycythemia vera, essential thrombocythemia John Mascarenhas Completed No outcome recorded
Phase 1 NCT02401737 Jan 2015 → May 2016 chronic hepatitis B virus infection Novira Therapeutics, Inc. Completed No outcome recorded
Phase 1 NCT02174172 Aug 2014 → Nov 2019 — Hoffmann-La Roche Completed No outcome recorded
Phase 1 NCT02112799 Apr 2014 → May 2016 chronic hepatitis B virus infection Novira Therapeutics, Inc. Completed No outcome recorded
Phase 1 NCT01337375 Mar 2011 → Apr 2012 chronic hepatitis C virus infection Hoffmann-La Roche Completed No outcome recorded
Phase 1 NCT01343186 Jan → May 2011 — Xiamen Amoytop Biotech Co., Ltd. Completed No outcome recorded
Phase 1 NCT01889849 Oct 2010 → Aug 2011 chronic hepatitis C virus infection The Immunobiological Technology Institute (Bio-Manguinhos) / Oswaldo Cruz Foundation (Fiocruz) Completed No outcome recorded
Phase 1/25 trials
Phase 1/2 NCT07288112 Apr 2026 → Jan 2031 expected — Diakonos Oncology Corporation Recruiting No outcome recorded
Phase 1/2 NCT02471430 May 2016 → Aug 2022 HIV infectious disease Massachusetts General Hospital Completed No outcome recorded
Phase 1/2 NCT02646189 Aug 2011 → Aug 2013 chronic hepatitis B virus infection Replicor Inc. Completed No outcome recorded
Phase 1/2 NCT01272310 Jan 2011 → Jan 2012 chronic hepatitis C virus infection Sheba Medical Center Unknown No outcome recorded
Phase 1/2 NCT00423397 Sep 2006 → Jan 2008 skin cancer University of California, San Diego Unknown No outcome recorded
Phase 246 trials · 3 met primary · 4 missed
Phase 2 NCT06092333 Jan 2025 → Feb 2028 expected chronic hepatitis B virus infection National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Active not recruiting No outcome recorded
Phase 2 NCT05941845 Sep 2023 → Sep 2025 membranous glomerulonephritis Centre Hospitalier Universitaire de Nice Terminated No outcome recorded
Phase 2 NCT04798612 Aug 2023 → Aug 2025 colon carcinoma Zealand University Hospital Unknown No outcome recorded
Phase 2 NCT04412863 Jul 2020 → Mar 2024 chronic hepatitis B virus infection Vir Biotechnology, Inc. Completed No outcome recorded
Phase 2 NCT03852433 May 2019 → Apr 2022 hepatitis D virus infection Gilead Sciences Completed Met primary
Phase 2 NCT03575208 Feb 2019 → Mar 2022 chronic hepatitis B virus infection National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Withdrawn No outcome recorded Stop: Enrollment
Phase 2 NCT02577029 Dec 2015 → Dec 2016 hepatitis B virus infection, hepatitis D virus infection Arrowhead Pharmaceuticals Terminated No outcome recorded
Phase 2 NCT02364336 Feb 2015 → May 2018 chronic hepatitis B virus infection National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Completed No outcome recorded
Phase 2 NCT02430194 Dec 2014 → Apr 2017 hepatitis D virus infection EIT Pharma, Inc. Completed No outcome recorded
Phase 2 NCT02430181 Nov 2014 → Sep 2015 hepatitis D virus infection EIT Pharma, Inc. Completed No outcome recorded
Phase 2/34 trials
Phase 2/3 NCT02992704 Aug 2016 → Jan 2020 chronic hepatitis B virus infection Seng Gee Lim Completed No outcome recorded
Phase 2/3 NCT01006031 Oct 2009 → Dec 2011 HIV infectious disease, cirrhosis of liver, hepatitis C virus infection Sociedad Andaluza de Enfermedades Infecciosas Completed No outcome recorded
Phase 2/3 NCT00391638 Jan 2007 → May 2011 HIV infectious disease, hepatitis B virus infection French National Agency for Research on AIDS and Viral Hepatitis Completed No outcome recorded
Phase 2/3 NCT02829775 Jan 2004 → Jan 2008 chronic myeloid leukemia, melanoma, renal cell carcinoma Hoffmann-La Roche Completed No outcome recorded
Phase 352 trials · 3 met primary · 8 missed
Phase 3 NCT07623200 Sep 2026 → Jun 2029 expected essential thrombocythemia Incyte Corporation Recruiting No outcome recorded
Phase 3 NCT06072612 Dec 2023 → Dec 2027 expected breast cancer BriaCell Therapeutics Corporation Recruiting No outcome recorded
Phase 3 NCT01380938 Dec 2018 → Nov 2019 hepatitis Casa Sollievo della Sofferenza IRCCS Completed No outcome recorded
Phase 3 NCT03020082 Jun 2016 → May 2017 chronic hepatitis C virus infection Ascletis Pharmaceuticals Co., Ltd. Completed No outcome recorded
Phase 3 NCT02201459 Aug 2014 → Oct 2022 chronic myeloid leukemia Hospices Civils de Lyon Completed Met primary
Phase 3 NCT02263079 Jun 2014 → Jan 2020 chronic hepatitis B virus infection Hoffmann-La Roche Completed No outcome recorded
Phase 3 NCT01797848 Jun 2014 → Nov 2016 chronic hepatitis C virus infection Bristol-Myers Squibb Withdrawn No outcome recorded
Phase 3 NCT02021643 Dec 2013 → Aug 2016 chronic hepatitis C virus infection Gilead Sciences Completed No outcome recorded
Phase 3 NCT01962441 Sep 2013 → Jan 2015 chronic hepatitis C virus infection Gilead Sciences Completed No outcome recorded
Phase 3 NCT01821963 Apr 2013 → Feb 2014 infectious disease M.D. Anderson Cancer Center Terminated No outcome recorded
Phase 494 trials · 5 met primary · 12 missed
Phase 4 NCT03801538 Jan 2019 → Dec 2020 chronic hepatitis B virus infection Third Affiliated Hospital, Sun Yat-Sen University Unknown No outcome recorded
Phase 4 NCT03253250 Sep 2017 → Jun 2019 chronic hepatitis B virus infection, hepatocellular carcinoma Huashan Hospital Unknown No outcome recorded
Phase 4 NCT03084250 Mar 2017 → Apr 2023 hepatitis B virus infection Shanghai Nanhui Nanhua Hospital Unknown No outcome recorded
Phase 4 NCT03013556 Nov 2016 → Dec 2021 chronic hepatitis B virus infection Ruijin Hospital Unknown No outcome recorded
Phase 4 NCT02894918 Sep 2016 → Jun 2018 chronic hepatitis B virus infection Henan Provincial People's Hospital Unknown No outcome recorded
Phase 4 NCT02908763 Aug 2016 → Sep 2019 chronic hepatitis B virus infection Third Affiliated Hospital, Sun Yat-Sen University Unknown No outcome recorded
Phase 4 NCT02893124 Aug 2016 → Aug 2019 chronic hepatitis B virus infection Third Affiliated Hospital, Sun Yat-Sen University Unknown No outcome recorded
Phase 4 NCT02838810 Jun 2016 → Dec 2019 chronic hepatitis B virus infection Third Affiliated Hospital, Sun Yat-Sen University Unknown No outcome recorded
Phase 4 NCT02745704 Apr 2016 → Apr 2019 chronic hepatitis B virus infection Third Affiliated Hospital, Sun Yat-Sen University Unknown No outcome recorded
Phase 4 NCT03208998 Jan 2016 → Dec 2017 chronic hepatitis B virus infection Beijing Ditan Hospital Unknown No outcome recorded
Phase not applicable12 trials
— NCT03919565 Feb 2019 → Oct 2021 chronic hepatitis B virus infection, fibrotic liver disease Third Affiliated Hospital, Sun Yat-Sen University Unknown No outcome recorded
— NCT03771677 Dec 2018 → Dec 2023 chronic hepatitis B virus infection Sun Yat-sen University Unknown No outcome recorded
— NCT03210506 Jan 2016 → Dec 2017 chronic hepatitis B virus infection Beijing Ditan Hospital Unknown No outcome recorded
— NCT03210493 Jan 2016 → Dec 2017 chronic hepatitis B virus infection Beijing Ditan Hospital Unknown No outcome recorded
— NCT01599130 Jul 2012 → Apr 2014 chronic hepatitis B virus infection Sun Yat-sen University Unknown No outcome recorded
— NCT01639547 Jul 2012 → Jul 2014 chronic hepatitis C virus infection Chang Gung Memorial Hospital Terminated No outcome recorded
— NCT01464281 Oct 2011 → Jun 2016 chronic hepatitis B virus infection The Second Affiliated Hospital of Chongqing Medical University Unknown No outcome recorded
— NCT01471535 May 2008 → Dec 2012 chronic hepatitis B virus infection Beijing Ditan Hospital Completed No outcome recorded
— NCT00252642 Nov 2005 → Sep 2007 chronic hepatitis C virus infection, cirrhosis of liver Virginia Commonwealth University Completed No outcome recorded
— NCT00188240 Aug 2003 → ? hepatitis B virus infection, hepatitis C virus infection University Health Network, Toronto Unknown No outcome recorded
Phase not stated1 trial
— NCT05683548 — chronic hepatitis B virus infection, cirrhosis of liver, esophageal varices, hepatitis D virus infection +1 Replicor Inc. No longer available No outcome recorded
Comparator or background therapy178 trials
Phase 1 NCT05799612 Background Mar → Nov 2024 angiosarcoma M.D. Anderson Cancer Center Withdrawn No outcome recorded Stop: Enrollment
Phase 1 NCT03272009 Background Sep 2017 → Jul 2018 chronic hepatitis B virus infection Enyo Pharma Completed No outcome recorded
Phase 1 NCT02908191 Background Nov 2016 → Mar 2018 chronic hepatitis B virus infection Assembly Biosciences Completed No outcome recorded
Phase 1 NCT01504581 Comparator Mar → Sep 2011 — Hanmi Pharmaceutical Company Limited Completed No outcome recorded
Phase 1 NCT05129644 Comparator Nov 2009 → Jun 2010 — PharmaEssentia Completed No outcome recorded
Show all 178 trials opens the full record — a long page

News releases announcing trial results or a regulatory action · 94

DateIssuerRelease
2026-07-03 Brii Biosciences Limited Results Brii Bio Announces Topline End-of-Treatment Data from Phase 2b ENRICH and ENHANCE Studies for the Treatment of Chronic Hepatitis B briibio.com ↗
End-of-treatment data from ENHANCE did not demonstrate improved HBsAg loss rates compared to ENSURE Cohorts 2 and 3, informing selection of combination regimen going forward
2026-05-27 Brii Biosciences Limited Results Brii Bio Presents Late-Breaking Data from Its Phase 2 ENSURE Study at EASL Congress 2026, Further Supporting the Potential Role of BRII-179 in Achieving Durable Immunological Control of HBV briibio.com ↗
Final results from the ENSURE study demonstrate that the addition of elebsiran resulted in a higher functional cure rate compared with pegylated interferon alfa ( PEG-IFNα ) alone
2026-04-26 Brii Biosciences Limited Results Brii Bio Presents Cross-Study Analysis of Post-Treatment HBsAg Rebound at APASL 2026 briibio.com ↗
Participants achieving HBsAg loss with pegylated interferon alfa ( PEG -IFNα) ± elebsiran or BRII-179 demonstrated favorable off-treatment clinical outcomes, with most HBsAg rebounds <10 IU/mL and HBV DNA rebound infrequent and not associated with clinically significant ALT elevation.
2025-11-10 Brii Biosciences Limited Results Brii Biosciences Presents Late-Breaking Data from Ongoing Phase 2 ENSURE Study at AASLD 2025, Reinforcing BRII-179’s Potential as a Curative Treatment for Chronic Hepatitis B briibio.com ↗
Cohort 4 follow-up confirms durable h epatitis B surface antigen ( HBsAg ) loss at 24 weeks post end of treatment (EOT) in BRII-179 anti-HBs respon ders treated with elebsiran plus pegylated interferon alfa (PEG-IFNα)
2025-11-07 Brii Biosciences Limited Results Brii Biosciences Announces Publication of Phase 2 ENSURE Study Results in Nature Medicine briibio.com ↗
2024-11-15 Vir Biotechnology, Inc. Results Vir Biotechnology Announces Positive End-of-Treatment Results for Tobevibart and Elebsiran Combinations in Chronic Hepatitis B from the MARCH Study at AASLD The Liver Meeting vir.bio ↗
The study demonstrated promising rates of hepatitis B surface antigen (HBsAg) loss (seroclearance) in participants with low baseline HBsAg (<1000 IU/mL) in both combination regimens.
2024-06-07 Brii Biosciences Limited Results Brii Bio Presents New Data from Its Ongoing Phase 2 Chronic Hepatitis B Trials at EASL™ Congress 2024 briibio.com ↗
BRII-179 as add-on therapy induces functional antibody responses and contributes to improved sustained HBsAg loss in PEG-IFN a -treated participants with chronic HBV infection
2024-06-06 Gilead Sciences Results Gilead Announces New England Journal of Medicine Publication of Data that Demonstrate Bulevirtide with PegIFN Achieved Post-Treatment Undetectable HDV RNA gilead.com ↗
Data Published in NEJM Demonstrate 46% of Patients Taking Bulevirtide 10 mg with PegIFN Achieved Post-Treatment Undetectable HDV RNA at Week 24
2024-05-22 Gilead Sciences Results Gilead to Present Latest Research Across Key Liver Disease Indications at the European Association for the Study of the Liver Congress 2024 gilead.com ↗
Bulevirtide in combination with pegylated interferon alfa-2a shows a sustained off-treatment response in the liver
2023-11-13 Vir Biotechnology, Inc. Results Vir Biotechnology to Present New Data from Its Ongoing Phase 2 Chronic Hepatitis Delta and B Trials Today at AASLD’s The Liver Meeting® 2023 vir.bio ↗
Specifically, at 24 weeks, 15.0% and 14.3% of participants achieved HBsAg loss at EOT for VIR-3434 + VIR-2218 and VIR-2218 + VIR-3434 + PEG-IFN-α, respectively.
2023-09-06 Brii Biosciences Limited Results Brii Biosciences Announces Topline Interim Results of Phase 2 Study Evaluating BRII-179 (VBI-2601) in Combination with PEG-IFNα for the Treatment of Chronic Hepatitis B briibio.com ↗
BRII-179 (VBI-2601) as an add-on therapy to standard of care PEG-IFN α increases HBsAg loss rate at the end of treatment and 12 weeks follow up
2023-06-26 Ascletis Pharmaceuticals Co., Ltd. Results Ascletis Announces Poster Presentation of Phase II Study of ASC42 FXR Agonist for Functional Cure of Chronic Hepatitis B at EASL CONGRESS 2023 ascletis.com ↗
In total, 122, 119, and 107 adverse events (AEs) were reported in 10 mg ASC42, 15 mg ASC42 and PBO cohorts, respectively, and most AEs (94.3%) were mild (grade 1) or moderate (grade 2) in severity.

All press releases naming this drug 108 releases

DateIssuerRelease
Show all 108 releases opens the full record — a long page

Evidence & citations 43 cited values

Every value below carries the sentence it was read from. 437 sources stand behind the page.

FieldValueCited text
Known as Peg-interferon alfa-2a “A Phase 2 Rollover Protocol of Telaprevir (VX-950) in Combination With Peginterferon Alfa-2a (Pegasys®) and Ribavirin (Copegus®) in Subjects Enrolled in the Control Group...” NCT00535847 ↗
243

“A Pilot, Open-Label, Multicentre Study Evaluating the Long-Term Safety and Tolerability of a Low-Dose Peginterferon Alfa-2a Maintenance Monotherapy in Chronic Hepatitis C...” NCT02762383 ↗

“Recently the investigators have shown that HBeAg negative patients with high HBV-DNA load and low baseline HBsAg levels had a significantly higher HBsAg clearance (positive...” NCT00973219 ↗

“The purpose of this study is to see if treatment with PEG-interferon-alfa-2a (PEG-IFN) plus ribavirin is a more effective treatment for hepatitis C virus (HCV) than...” NCT00008463 ↗

“The purpose of this study is to determine the safety and efficacy of peginterferon alfa-2a (PEG-2a) in combination with ribavirin (RV) and PEG-2a alone for the treatment of...” NCT00100659 ↗

“Entecavir 0.015 mg/kg/day (up to 0.5 mg maximum daily dose) once daily for 48 weeks and Peginterferon alfa-2a 180 µg/1.73m2 subcutaneously once weekly for 40 weeks beginning 8...” NCT01368497 ↗

“An Open-label Trial of 48-week Peginterferon Alfa-2a (PEGASYS) to Assess the Sustained Response of Chronic Hepatitis B Patients With HBeAg Seroconversion on Nucleot(s)Ide...” NCT02068365 ↗

“Pegasys (peginterferon alfa-2a) given in combination with Copegus (ribavirin) given for 24 weeks or 48 weeks in treatment naïve patients with chronic hepatitis C (CHC).” NCT00188240 ↗

“patients were given peginterferon alfa-2a (40KD) (Pegasys®; Roche, Basel, Switzerland)180 µg by subcutaneous injection once weekly for 120 weeks” NCT01471535 ↗

“We evaluated the safety and efficacy of DCV plus peginterferon alfa-2a/ribavirin (PegIFN/RBV) in HIV-1/HCV genotype-1-coinfected patients.” PMID 28210927 ↗ Feb 2017

“we gave patients peginterferon alfa-2a 45 μg per week combined with nilotinib 600 mg daily until 24 months after interferon initiation.” PMID 26687426 ↗ Jan 2015

Show 233 more sources

Known as alfa “Adult HBeAg+ interferon-naive patients were randomized (1:1) to weekly lambda (180 μg) or peginterferon alfa-2a (alfa) for 48 weeks.” PMID 26739688 ↗ Dec 2015
Known as interferon alfa 2 a “interferon alfa 2 a (pegylated form improving tolerance and maybe enhancing is efficacy)” NCT02201459 ↗
Known as Interféron pégylé alpha -2a “PEGASYS 180μg (Interféron pégylé alpha -2a)” NCT00391638 ↗
Known as PEG “This study is to evaluate the overall efficacy, and safety profile of the triple combination therapy of alisporivir (ALV; DEB025) plus peginterferon alfa-2a (PEG) and ribavirin...” NCT01500772 ↗
13

“This study will assess the safety and efficacy of alisporivir (ALV) and boceprevir (BOC), each in combination with Peginterferon alfa-2a (PEG) and Ribavirin (RBV), in African...” NCT01446250 ↗

“Pegylated interferon alfa-2a (PEG) 180 μg was administered once weekly by subcutaneous injection.” NCT01054729 ↗

“Pegylated interferon alfa-2a (PEG) 180 μg was administered once weekly by subcutaneous injection.” NCT01188772 ↗

“Pegylated interferon alfa-2a (PEG) 180 μg was administered once weekly by subcutaneous injection” NCT02480686 ↗

“Pegylated interferon alfa-2a (PEG) 180 μg administered once weekly by subcutaneous injection” NCT02583685 ↗

“Pegylated interferon alfa-2a (PEG) 180 μg administered once weekly by subcutaneous injection” NCT01641640 ↗

“Pegylated interferon alfa-2a (PEG) 180 μg administered once weekly by subcutaneous injection” NCT01384383 ↗

“Pegylated interferon alfa-2a (PEG) 180 μg administered once weekly by subcutaneous injection” NCT01497366 ↗

“Pegylated interferon alfa-2a (PEG) 180 μg administered once weekly by subcutaneous injection” NCT01329978 ↗

“Peginterferon alfa 2a (PEG) 180 μg administered once weekly by subcutaneous injection” NCT01808248 ↗

Show 3 more sources

Known as PEG-2a “The purpose of this study is to determine the safety and efficacy of peginterferon alfa-2a (PEG-2a) in combination with ribavirin (RV) and PEG-2a alone for the treatment of...” NCT00100659 ↗
Known as peg-IFN “Recently the investigators have shown that HBeAg negative patients with high HBV-DNA load and low baseline HBsAg levels had a significantly higher HBsAg clearance (positive...” NCT00973219 ↗
17

“METHODS: A randomized (1:1) trial of tenofovir disoproxil fumarate (TDF) for 192 weeks with or without peginterferon (PegIFN) alfa-2a for the first 24 weeks, followed by...” PMID 36599136 ↗ Dec 2022

“The purpose of this study is to see if treatment with PEG-interferon-alfa-2a (PEG-IFN) plus ribavirin is a more effective treatment for hepatitis C virus (HCV) than...” NCT00008463 ↗

“Currently, combination therapy with peginterferon (Peg-IFN) and ribavirin (RBV) has become the standard of care for chronic hepatitis C (CHC) patients” NCT00977054 ↗

“We evaluated the safety and efficacy of DCV plus peginterferon alfa-2a/ribavirin (PegIFN/RBV) in HIV-1/HCV genotype-1-coinfected patients.” PMID 28210927 ↗ Feb 2017

“Coinfected and monoinfected patients were enrolled in a treatment trial for pegylated-interferon alpha-2a (peg-IFN) + ribavirin.” PMID 17058240 ↗ Nov 2006

“faldaprevir plus peginterferon alfa-2a/ribavirin (PegIFN/RBV) in treatment-naïve patients with chronic HCV genotype-1 infection.” PMID 27049487 ↗ May 2016

“patients are randomized to receive peginterferon (pegIFN) alfa-2a 180 microg/week plus either weight-based RBV” PMID 20377423 ↗ Apr 2010

“Subjects will be treated for 24 weeks with PEG-IFN (HIV coinfected subjects will received RBV)” NCT00192569 ↗

“nilotinib + pegylated interferon alpha 2a (PEG-IFN).” NCT01294618 ↗

“PEGASYS® (peginterferon alfa-2a, PegIFN)” NCT01937728 ↗

Show 7 more sources

Known as PEG-IFN alfa “Peginterferon Alfa-2a (PEG-IFN alfa)” NCT03852433 ↗
Known as Peg-IFN alfa-2a: Pegasys (Hoffman La-Roche) “Peg-IFN alfa-2a: Pegasys (Hoffman La-Roche)” NCT00977054 ↗
Known as Peg-IFN alpha-2a “comparing the efficacy and safety of telbivudine in combination with PegIFN alpha-2a with telbivudine monotherapy and PegIFN alpha-2a monotherapy.” PMID 25152207 ↗ Aug 2014
5

“Hydroxychloroquine (HCQ), Pegylated Interferon Alpha-2a (Peg-IFN alpha-2a) and Ribavirin” NCT01272310 ↗

“Pegylated Interferon-Alpha-2A (Peg-IFN-Alpha-2A:Pegasys®) on HIV-1 replication” NCT00594880 ↗

“peginterferon alfa (PEG-IFNalpha)-2a 180 microg one time per week (qwk)” PMID 18666223 ↗ Aug 2008

“Peginterferon alpha-2a (PegIFN alpha-2a)” NCT01289782 ↗

“Peginterferon alpha-2a (PegIFN alpha-2a)” NCT01281839 ↗

Known as Peg-IFN-α “Pegylated interferon α-2a(Peg-IFN-α) not only inhibit viral replication, but also play an important role in immune regulation” NCT03210506 ↗
Known as PEG-IFN-α2a “This randomized, prospective, parallel-group clinical trial compared the efficacy and safety of pegylated interferon α-2a (PEG-IFN α-2a) plus ribavirin and PEG-IFN α-2b plus...” PMID 21281434 ↗ Jan 2011
11

“A Multicenter, Single-arm Trial Evaluating the Safety and Efficacy of DEB025/Alisporivir in Combination With Pegylated Interferon-α2a and Ribavirin (Peg-IFNα2a/RBV) in Protease...” NCT01500772 ↗

“Telaprevir (TVR) plus peginterferon-α2a (PEG-IFN-α2a) and ribavirin substantially increases treatment efficacy for genotype 1 chronic hepatitis C virus (HCV) infection versus...” PMID 23685940 ↗ Jul 2013

“As there is currently a lack of consensus on the most appropriate dose and duration of peginterferon alfa-2a (PEG-IFNα-2a) therapy in hepatitis B e antigen (HBeAg)-positive patients” PMID 22045673 ↗ Nov 2011

“Children treated with pegylated interferon alpha-2a (Peg-IFN-α2a) ± ribavirin in the Pediatric Study of Hepatitis C (PEDS-C) trial underwent anthropometric measurements” PMID 22383118 ↗ Jul 2012

“Clinical Trial of the Efficacy of the Combination of Pegylated Interferon (PEG-IFNα-2a) Plus Ribavirin in Egyptian Patients With Untreated Chronic Hepatitis C” NCT00158496 ↗

“Clinical Trial of the Efficacy of Pegylated Interferon (PEG-IFNα-2a) Alone in Egyptian Patients With Acute Hepatitis C” NCT00158522 ↗

“Pegylated interferon alfa-2a (Peg-IFNα-2a) 180 µg/0.5 mL pre-filled syringe administered subcutaneously once a week” NCT02021643 ↗

“Peg-IFNα-2a 180 μg every week, or albIFN 900 or 1200 μg every 2 weeks administered subcutaneously” PMID 20600013 ↗ Jun 2010

“combined with pegylated interferon-α2a plus ribavirin (pegIFN-α2a/RBV) for 48 weeks” PMID 30858739 ↗ Feb 2019

“weekly pegylated (Peg)-IFN-α2b or Peg-IFN-α2a immunotherapy” PMID 34049356 ↗ Oct 2021

Show 1 more source

Known as PEG-IFNa2a “peginterferon alfa-2a (PEGASYS or PEG-IFNa2a) in combination with ribavirin” NCT00402428 ↗
Known as PEG-INF “Peginterferon alpha-2a (PEG-INF) monotherapy: 180 μg subcutaneous injection once a week for 52 weeks.” NCT00412750 ↗
Known as Peg-interféron alpha-2a (PEGASYS) “Peg-interféron alpha-2a (PEGASYS)” NCT01289496 ↗
Known as Pegasys “Pegylated interferon plus ribavirin is the standard first-line treatment in patients with chronic hepatitis C virus (HCV) mono-infection. Although the optimal anti-HCV regimen...” PMID 15563253 ↗ 2004
118

“A Phase 2 Rollover Protocol of Telaprevir (VX-950) in Combination With Peginterferon Alfa-2a (Pegasys®) and Ribavirin (Copegus®) in Subjects Enrolled in the Control Group...” NCT00535847 ↗

“A Phase 2a, 2-Part, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Multicenter Study of Telaprevir in Combination With Peginterferon Alfa-2a (Pegasys®) and...” NCT00983853 ↗

“This study will evaluate the efficacy and safety of capecitabine (Xeloda) in combination with peginterferon alfa-2a (Pegasys) in participants with advanced liver cancer who...” NCT02576964 ↗

“An Open-label Trial of 48-week Peginterferon Alfa-2a (PEGASYS) to Assess the Sustained Response of Chronic Hepatitis B Patients With HBeAg Seroconversion on Nucleot(s)Ide...” NCT02068365 ↗

“Participants randomized to the control group immediately begin treatment with telaprevir + 180ug of peginterferon alfa-2a (Pegasys) per week and either weight based ribavirin.” NCT01890772 ↗

“SYREN Study: A Study of PEGASYS (Peginterferon Alfa-2a (40KD)) Plus Copegus (Ribavirin) in Non-Responder Patients With Chronic Hepatitis C (CHC) Genotype 1.” NCT00412334 ↗

“Latino Study - A Study of PEGASYS (Peginterferon Alfa-2a (40KD)) and COPEGUS (Ribavirin) in Treatment-Naive Patients With Chronic Hepatitis C-Genotype 1.” NCT00107653 ↗

“Pegylated interferon alfa-2a (Pegasys, F. Hoffmann-LaRoche) 180 ug/week plus ribavirin (Robatrol, F. Hoffmann-LaRoche) 1000-1200 mg/day” NCT00495131 ↗

“Peginterferon alfa-2a (Pegasys, F. Hoffman-LaRoche) 180 ug/week plus ribavirin (Copegus, Hoffman-LaRoche) 1000-1200 mg/day” NCT00532701 ↗

“Participants received peginterferon alfa-2a (Pegasys) 180 mcg subcutaneously once per week for 48 weeks.” NCT00436163 ↗

Show 108 more sources

Known as Pegasys (PEG-Interferon alpha-2a) “Pegasys (PEG-Interferon alpha-2a)” NCT00207311 ↗
Known as Pegasys (PEG-interferon-Alfa-2A) “Pegasys (PEG-interferon-Alfa-2A)” NCT01769833 ↗
Known as Pegasys(R) “with Peg-IFN- alfa-2a (Pegasys(R)) (180 mcg SQ qwk)” NCT00892697 ↗
Known as PegasysTM “A Phase II Open-Label Pilot Trial of the Antiretroviral Activity, Safety, and Tolerability of Pegylated Interferon Alfa-2A (40KD) [PegasysTM] in HIV-1 Infected Subjects” NCT00078442 ↗
Known as PegIFN alfa-2a “Merimepodib (MMPD) is an orally administered, inosine monophosphate dehydrogenase inhibitor that has shown antiviral activity in nonresponders with chronic hepatitis C (CHC)...” PMID 19852040 ↗ Dec 2009
15

“Patients with hepatitis B e antigen (HBeAg)-positive CHB who received any NA for at least 72 weeks and had a low level of HBV DNA (≤100 IU/mL) were randomized (1:1) to receive...” PMID 35867702 ↗ Jul 2022

“The combination therapy using pegylated interferons (IFNs) such as PEG-IFN alfa-2a has been shown to have a superior efficacy than that using conventional IFN in the treatment...” NCT00154869 ↗

“Treatment with pegylated interferon (peg-IFN) alfa-2a (40KD) results in hepatitis B "e" antigen (HBeAg) seroconversion 6 months after treatment in up to 36% of HBeAg-positive...” PMID 25190434 ↗ Sep 2014

“open-label subcutaneous treatment with pegylated interferon-alfa-2a (Peg-IFNalfa-2a) 180 μg/wk, or albIFN 900 or 1200 μg every 2 weeks for 24 weeks” PMID 20600017 ↗ Jul 2010

“The patients will receive Peg-IFN-alfa-2a 180 microgram once a week for 24 or 48 weeks; based on the response guided therapy.” NCT01513941 ↗

“Recombinant PEG-IFN alfa-2a is a synthetic version of IFN and is used in hepatitis C virus treatment” NCT00078442 ↗

“standard dose Peg-Interferon alfa-2a (PEG-IFN alfa-2a), Ribavirin (RBV) and Amantadine (AMA)” NCT00299923 ↗

“Participants with HCV received pegylated interferon (PEG-IFN) alfa-2a (180μg/week, n=74)” PMID 21145855 ↗ Nov 2010

“phase III study evaluated peginterferon (PegIFN) alfa-2a treatment” PMID 29689122 ↗ Oct 2018

“180 mcg Peg-IFN alfa-2a (Pegasys) once a week for 48 weeks.” NCT01925820 ↗

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Known as pegIFNα-2a, Pegasys “pegIFNα-2a, Pegasys®” NCT01428063 ↗
1

“PegIFNα-2a (Pegasys)” NCT01290679 ↗

Known as peginterferon “We evaluated HBsAg loss in patients receiving the combination of tenofovir disoproxil fumarate (TDF) and peginterferon α-2a (peginterferon) for a finite duration in a randomized trial.” PMID 26453773 ↗ Oct 2015
1

“To test 2 drugs (VIR-2218 and peginterferon) in people with mild or inactive HBV infection” NCT06092333 ↗

Known as Peginterferon Alfa-2a (40KD) “Latino Study - A Study of PEGASYS (Peginterferon Alfa-2a (40KD)) and COPEGUS (Ribavirin) in Treatment-Naive Patients With Chronic Hepatitis C-Genotype 1.” NCT00107653 ↗
2

“PEGASYS (Peginterferon Alfa-2a (40KD)) Plus Ribavirin” NCT00475072 ↗

“Efficacy and Safety of Peginterferon Alfa-2a (40KD)” PMID 29689122 ↗ Oct 2018

Known as peginterferon alpha-2a “The researchers aim to investigate the ability of peginterferon alpha-2a to achieve surface antigen loss/seroconversion therapy in inactive carriers with persistently normal...” NCT01471535 ↗
31

“GOALS: To evaluate the predictive value of complete early virological response (cEVR) on sustained virological response (SVR) following retreatment with peginterferon alpha-2a...” PMID 23442834 ↗ Oct 2013

“This study will evaluate the safety and effectiveness of combination therapy with peginterferon alpha-2a and ribavirin for treating hepatitis C virus (HCV) infection in...” NCT00085917 ↗

“Two hundred HCV-1 patients were randomized (1:1) to either 24 or 48 weeks of peginterferon-alpha-2a (180 microg/week) and ribavirin (1000-1200 mg/day) with a 24-week follow-up.” PMID 18508296 ↗ Jun 2008

“Pilot Study on Efficacy and Tolerance of Peg-interferon Alpha-2a (Pegasys) Added to Tenofovir DF and Emtricitabine (Truvada) in AGHBe Positive HBV-HIV Co-infected Patients.” NCT00391638 ↗

“Peginterferon alpha-2a (40KD) is a modified form of interferon alpha-2a consisting of a branched polyethylene glycol (PEG) chain covalently bound to interferon alpha-2a.” NCT00172809 ↗

“Eligible patients were given peginterferon alpha-2a, 180 ug subcutaneous once weekly and weight-based oral ribavirin” NCT00028093 ↗

“Subjects will receive low dose peginterferon alpha-2a on the same day as cell inoculation.” NCT06471673 ↗

“Induction Doses of Peginterferon Alpha-2a (40 KD) (270 μg/Week)” NCT00356486 ↗

NCT01289496 ↗

NCT00088504 ↗

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