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Hepatitis B Virus

Infectious Diseases
4
Pipeline Programs
7
Companies
36
Clinical Trials
1
Approved Products

Pipeline by Development Stage

Preclinical
Phase 1
Phase 1/2
Phase 2
Phase 2/3
Phase 3
On Market
0
1
0
1
0
1
1
Early DiscoveryClinical DevelopmentMarket

Drug Modality Breakdown

Monoclonal Antibody
250%
Vaccine
125%
Small Molecule
125%
+ 8 programs with unclassified modality

Infectious Diseases is an $11.9B market dominated by HIV and hepatitis C treatments in their peak revenue phases, reflecting a mature but stable therapeutic area.

$11.9B marketMature→ Stable30 products15 companies

Key Trends

  • HIV antiretroviral dominance: Nucleoside Reverse Transcriptase Inhibitors account for 44% of spending
  • Patent cliff pressure: $2.8B in revenue from major products facing LOE between 2027–2031
  • High trial velocity: 9,337 active trials indicate sustained pipeline development despite market maturity

Career Verdict

Infectious Diseases offers stable, well-compensated roles with strong commercial demand, but limited growth upside—ideal for risk-averse professionals seeking established franchises rather than high-growth opportunities.

AI-generated market analysis based on FDA, CMS, ClinicalTrials.gov, and hiring data

Market Leaders

#1BIKTARVYStable
$3.2B
Gilead Sciences·Peak10.5yr
#2EPCLUSAStable
$877M
Gilead Sciences·Peak8.2yr
#3TIVICAYDeclining
$657M
GSK·Peak4.1yr
#4TRIUMEQDeclining
$632M
GSK·Peak4.1yr
#5GENVOYAStable
$626M
Gilead Sciences·Peak6.9yr

Drug Class Breakdown

Nucleoside Reverse Transcriptase Inhibitors
$5.2B(44%)

backbone of HIV treatment, stable demand

RNA Replicase Inhibitors
$1.8B(15%)

hepatitis C treatment, mature market

Cytochrome P450 3A Inhibitors
$1.4B(12%)

boosting agents in combination regimens

P-Glycoprotein Inhibitors
$343M(3%)

niche mechanism, limited growth

Career Outlook

Stable

Infectious Diseases offers predictable career progression and above-average compensation in Commercial roles, supported by 780 current openings and sustained demand from market incumbents. However, patent cliffs affecting $2.8B in near-term revenue (2027–2031) will compress margins and slow hiring after 2028, particularly in Commercial support and field-based roles. The area is best suited for mid-career professionals seeking stability over rapid growth, with limited appeal for early-career scientists pursuing innovation-driven research.

Breaking In

Enter via Commercial or Manufacturing roles at GSK, Sanofi, or Becton Dickinson to build market expertise and commanding salaries ($160K–$237K); avoid pure R&D tracks unless you target specific mechanisms like long-acting injectables.

For Experienced Professionals

Experienced professionals should pursue Market Access, Medical Affairs, or Commercial Leadership roles where patent cliff expertise commands premium compensation; consider consulting or biotech transition if R&D innovation is your priority.

In-Demand Skills

Market access and payer strategyBrand management in generic-transition environmentsManufacturing scale-up and supply chain optimizationMedical science liaison (MSL) capabilities for physician engagementHealth economics and real-world outcomes analysis

Best For

Brand ManagerMarket Access ManagerMedical Science LiaisonSales DirectorManufacturing EngineerHealth Economics Analyst

Hiring Landscape

$160K–$275K

Infectious Diseases hiring is heavily weighted toward Commercial roles (247 positions, 32% of total), reflecting mature market dynamics focused on market access and brand management. GSK and Becton Dickinson lead hiring (214 and 188 roles), but Gilead Sciences—the market leader by revenue—shows surprisingly low hiring (25 roles), signaling efficiency-driven operations. Salary progression favors Commercial ($275K avg) over R&D ($184K avg), indicating career acceleration through sales and marketing functions.

780
Open Roles
5
Companies Hiring
4
Departments

Top Hiring Companies

214Growing
100Stable
61Stable
51Growing

By Department

Commercial(32%)
$275K
Engineering(16%)
$237K
Manufacturing(14%)
$160K
Research & Development(9%)
$184K

Strong Commercial hiring with premium salaries suggests Infectious Diseases is an excellent landing spot for brand, sales, and market access professionals, but limited R&D hiring indicates reduced innovation investment.

On Market (1)

Approved therapies currently available

Bristol Myers Squibb
BARACLUDEApproved
entecavir
Bristol Myers Squibb
oral2005
3M Part D

Competitive Landscape

7 companies ranked by most advanced pipeline stage

Bristol Myers Squibb
3 programs
1
BaracludePHASE_11 trial
BARACLUDE(Entecavir)PHASE_2Small Molecule5 trials
pegIFNPHASE_21 trial
Active Trials
NCT03083821Completed6Est. Dec 2017
NCT01594905Unknown90Est. Apr 2014
NCT01356901Completed230Est. Jan 2015
+4 more trials
Sandoz
SandozAustria - Kundl
1 program
1
TelbivudinePhase 31 trial
Active Trials
NCT00805675Completed83
Kite Pharma
Kite PharmaCA - El Segundo
2 programs
1
1
EmtricitabinePhase 21 trial
TAFPhase 11 trial
Active Trials
NCT02296853Completed20Est. Apr 2015
NCT00476463Completed24Est. Dec 2008
Allergy Therapeutics
Allergy TherapeuticsUK - West Sussex
2 programs
Non-Framed-OfferedN/A1 trial
CemiplimabPHASE_1_2Monoclonal Antibody1 trial
Active Trials
NCT00739752Completed1,747Est. Oct 2007
NCT04046107Withdrawn0Est. Sep 2027
Gilead Sciences
Gilead SciencesFOSTER CITY, CA
2 programs
TAFPHASE_1
EmtricitabinePHASE_2
Dynavax Technologies
Dynavax TechnologiesCA - Emeryville
1 program
Adjuvanted Hepatitis B VaccineN/AVaccine1 trial
Active Trials
NCT04385524Withdrawn0Est. Feb 2021
Regeneron
RegeneronTARRYTOWN, NY
1 program
CemiplimabPHASE_1_2Monoclonal Antibody

Trial Timeline

Clinical trial activity over time

2021
2022
2023
2024
2025
2026
2027
Bristol Myers SquibbEntecavir
Bristol Myers SquibbEntecavir
Bristol Myers SquibbEntecavir
Bristol Myers SquibbEntecavir
Bristol Myers SquibbEntecavir
Bristol Myers SquibbEntecavir
Bristol Myers SquibbEntecavir
SandozTelbivudine
Bristol Myers SquibbEntecavir
Bristol Myers SquibbEntecavir
Bristol Myers SquibbEntecavir
Bristol Myers SquibbEntecavir
Bristol Myers SquibbEntecavir
Bristol Myers SquibbEntecavir
Bristol Myers SquibbEntecavir

Showing 15 of 36 trials with date data

Clinical Trials (36)

Total enrollment: 21,019 patients across 36 trials

Entecavir Plus Tenofovir Combination in Subjects With Multi-drug Resistant Chronic Hepatitis B Virus Infection

Start: Aug 2012Est. completion: Apr 201490 patients
Phase 4Unknown

Entecavir Plus Adefovir in Lamivudine-Resistant Patients

Start: Dec 2009Est. completion: Jun 20140
Phase 4Withdrawn

Prophylactic Use of Entecavir for Non-Hodgkin's Lymphoma Patients With Resolved Hepatitis B

Start: Apr 2009Est. completion: Nov 201280 patients
Phase 4Completed

Antiviral Therapy in Hepatitis B Virus (HBV)-Related Advanced Liver Disease Patients

Start: Jan 2009Est. completion: Jul 2015462 patients
Phase 4Unknown

Suboptimal Responders to Adefovir Switching to Entecavir

Start: Jul 2008Est. completion: Jan 2011228 patients
Phase 4Completed

Entecavir Intensification for Persistent HBV Viremia in HIV-HBV Infection

Start: Apr 2008Est. completion: May 201010 patients
Phase 4Completed

Pegasys Plus Entecavir Versus Entecavir Alone for Hepatitis Be Antigen-Positive Chronic Hepatitis B

Start: Jan 2008Est. completion: Feb 2014294 patients
Phase 4Unknown

Effects of Telbivudine and Tenofovir Disoproxil Fumarate Treatment on the Hepatitis B Virus DNA Kinetics in CHB

Start: Nov 200883 patients
Phase 3Completed

A Phase IIIb Study to Compare Entecavir Plus Tenofovir vs. Adefovir Added to Continuing Lamivudine Therapy in Adult Patients With Lamivudine-Resistant Hepatitis B Infection

Start: Aug 2008Est. completion: Feb 20094 patients
Phase 3Terminated

Entecavir Plus Adefovir Combination Therapy Versus Entecavir Monotherapy vs Therapy With Adefovir Plus Lamivudine for Chronic Hepatitis B Infected Subjects With Lamivudine-resistant Virus

Start: Mar 2008Est. completion: Jul 2012629 patients
Phase 3Completed

Entecavir Plus Tenofovir Combination Therapy Versus Entecavir Monotherapy in Naive Subjects With Chronic Hepatitis B

Start: Apr 2007Est. completion: Oct 2010669 patients
Phase 3Completed

Antiviral Activity of Entecavir in Patients Receiving Liver Transplant Due to Chronic Hepatitis B Virus Infection

Start: Apr 2007Est. completion: Mar 2011109 patients
Phase 3Completed

Continue Entecavir Rollover From China

Start: May 2004Est. completion: Aug 2007600 patients
Phase 3Completed

Comparison of Entecavir to Adefovir in Chronic Hepatitis B Virus (HBV) Patients With Hepatic Decompensation

Start: Aug 2003Est. completion: May 2013195 patients
Phase 3Completed

A Phase III Study of Entecavir vs Lamivudine in Chronic Hepatitis B Subjects With Incomplete Response to Lamivudine

Start: Jan 2002Est. completion: Feb 2005
Phase 3Completed

A Phase III Study of Entecavir vs Lamivudine in Adults With Chronic Hepatitis B Infection and Positive for Hepatitis B E Antigen

Start: Dec 2001Est. completion: Feb 2005
Phase 3Completed

A Phase III Study of Entecavir vs Lamivudine in Adults With Chronic Hepatitis B Infection and Negative for Hepatitis B e Antigen

Start: Nov 2001Est. completion: May 2005
Phase 3Completed

Study of Adding Entecavir to Current Lamivudine Therapy in HIV and HBV Co-Infected Patients

Start: Sep 2002Est. completion: Oct 2005
Phase 2/3Completed

Dose Ranging Study of Pegylated Interferon Lambda in Patients With Hepatitis B and Positive for the Hepatitis B e Antigen

Start: Nov 2010Est. completion: Dec 2013197 patients
Phase 2Completed

Efficacy of Tenofovir and Emtricitabine in ARV-naive Patients With HIV/HBV Co-infection

Start: Apr 2005Est. completion: Dec 200824 patients
Phase 2Completed

An Open-Label Rollover Study of Entecavir (BMS-200475) in Adults With Chronic Hepatitis B Infection

Start: Dec 2003Est. completion: Dec 2006282 patients
Phase 2Completed

A Phase II Dose Response Study in Japan in Chronic Hepatitis B

Start: Aug 2003Est. completion: Mar 2005120 patients
Phase 2Completed

A Study in Japan of the Safety and Antiviral Activity With Chronic Hepatitis B Infection

Start: Feb 2003Est. completion: Feb 200560 patients
Phase 2Completed

Study in Japan of the Safety And Antiviral Activity in Adults With Chronic Hepatitis B Current Lamivudine Therapy

Start: Dec 2002Est. completion: Feb 200584 patients
Phase 2Completed

Safety and Antiviral Activity of Entecavir in Participants With Chronic Hepatitis B Following Monotherapy in Other Entecavir Trials

Start: Jan 2001Est. completion: Apr 20111,053 patients
Phase 2Completed

Safety and Immunotherapeutic Activity of Cemiplimab in Participants With HBV on Suppressive Antiviral Therapy

Start: Jan 2024Est. completion: Sep 20270
Phase 1/2Withdrawn

A Study of Entecavir in Pediatric Patients With Chronic Hepatitis B Virus (HBV)-Infection

Start: Jun 2007Est. completion: Sep 201764 patients
Phase 1/2Completed

A Study to Provide a Better Understanding of Baraclude's Pharmacokinetic Properties in a Real World Clinical Setting

Start: May 2017Est. completion: Dec 20176 patients
Phase 1Completed

Study to Evaluate the Pharmacokinetics of Tenofovir Alafenamide (TAF) in Adults With Normal Hepatic Function and Adults With Severe Hepatic Impairment

Start: Dec 2014Est. completion: Apr 201520 patients
Phase 1Completed
NCT04385524Dynavax TechnologiesAdjuvanted Hepatitis B Vaccine

Use of Dynavax Heplisav B in Healthcare Workers Previously Vaccinated With 3-dose Vaccine Who Failed to Demonstrate Seroprotection

Start: Jun 2020Est. completion: Feb 20210
N/AWithdrawn

Persistence, Adherence and Clinical Effectiveness of Entecavir in Chronic Hepatitis B Patients

Start: Jan 2011Est. completion: Jan 2015230 patients
N/ACompleted

Hepatitis B Virus (HBV) Viral Suppression by Entecavir in Adefovir Partial Responders

Start: May 2008Est. completion: Oct 201160 patients
N/ACompleted

Study of Entecavir in Patients With Chronic Hepatitis B Virus (HBV) Infection

Start: Dec 2006Est. completion: Oct 201612,522 patients
N/ACompleted

Entecavir for Subjects With Chronic Hepatitis B Infection: An Early Access Program

Start: Sep 2003Est. completion: Aug 2008
N/ANo Longer Available

Interventions to Increase HBV Vaccinations in Sexually Transmitted Disease (STD) Clinics

Start: Jun 2003Est. completion: Oct 20071,747 patients
N/ACompleted

A Phase IIIb: Long-Term Outcomes for Hepatitis B (HepB) Patients in Some Previous Entecavir (ETV) Trials

Start: Feb 2003Est. completion: Sep 20101,097 patients
N/ACompleted

Related Jobs in Infectious Diseases

Phase Legend

PreclinicalLab & animal studies
Phase 1Safety & dosing
Phase 2Efficacy testing
Phase 3Large-scale trials
On MarketApproved & available

Key Insights

1 late-stage (Phase 3) programs, potential near-term approvals
7 companies competing in this space

The information on this page is for informational purposes only and should not be used as a substitute for professional medical advice. Drug information is sourced from FDA, DailyMed, and other government databases. Adverse event data from FAERS does not establish causation. Always consult a healthcare professional for medical decisions.