Skip to main content

Hepatitis A

Infectious Diseases
19
Pipeline Programs
7
Companies
22
Clinical Trials
0
Approved Products

Pipeline by Development Stage

Preclinical
Phase 1
Phase 1/2
Phase 2
Phase 2/3
Phase 3
On Market
0
0
0
1
0
5
13
Early DiscoveryClinical DevelopmentMarket

Drug Modality Breakdown

Vaccine
11100%
+ 26 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·Peak8.1yr
#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.

Competitive Landscape

7 companies ranked by most advanced pipeline stage

ViiV Healthcare
ViiV HealthcareNC - Durham
13 programs
1
5
5
Havrix®Phase 4
Havrix™Phase 4
Havrix™Phase 4
TwinrixPhase 4
hepatitis A vaccinePhase 4Vaccine
+8 more programs
Sinovac Biotech
Sinovac BiotechChina - Beijing
7 programs
6
2 doses of HAVPhase 41 trial
HealivePhase 41 trial
Healive+HealivePhase 41 trial
Healive® Lot 1Phase 41 trial
Inactivated HAV vaccinePhase 4Vaccine1 trial
+2 more programs
Active Trials
NCT02002065Completed332Est. Jun 2014
NCT06576024Completed392Est. Apr 2025
NCT06058416Active Not Recruiting1,092Est. Dec 2029
+4 more trials
Sharp Therapeutics
Sharp TherapeuticsPA - Pittsburgh
1 program
1
VAQTA®Phase 41 trial
Active Trials
NCT00326183Completed1,800Est. Jan 2008
MSD
MSDIreland - Ballydine
1 program
1
VAQTA®Phase 4
GSK
GSKLONDON, United Kingdom
13 programs
Data collectionN/A1 trial
Hepatitis AN/A1 trial
PneumococcalPHASE_21 trial
Combined Vi polysaccharide typhoid vaccine and hepatitis A vaccine- HepatyrixPHASE_3Vaccine1 trial
GSK Biologicals 2-dose inactivated hepatitis A vaccinePHASE_3Vaccine1 trial
+8 more programs
Active Trials
NCT02112890Completed1,603Est. May 2016
NCT00237991Completed600
NCT00338351Completed240Est. Oct 2006
+10 more trials
Combined Therapeutics
1 program
Ursodeoxycholic AcidN/A1 trial
Active Trials
NCT07525401Not Yet Recruiting88Est. Oct 2026
Merck & Co.
Merck & Co.RAHWAY, NJ
1 program
VAQTA®PHASE_4

Trial Timeline

Clinical trial activity over time

2021
2022
2023
2024
2025
2026
2027
2028
2029
Sinovac Biotech2 doses of HAV
Sinovac BiotechHealive
GSKHavrix®
Sinovac BiotechInactivated Hepatitis A vaccine
Sinovac BiotechHealive+Healive
Sinovac BiotechInactivated HAV vaccine
GSKTwinrix
Sharp TherapeuticsVAQTA®
Sinovac BiotechHealive® Lot 1
GSKHavrix™
GSKHavrix™
GSKhepatitis A vaccine
GSKHavrix™
GSKHavrix®
GSKGSK Biologicals 2-dose inactivated hepatitis A vaccine

Showing 15 of 22 trials with date data

Clinical Trials (22)

Total enrollment: 16,854 patients across 22 trials

Immunogenicity and Safety of Inactivated Hepatitis A Vaccine in HIV-infected People

Start: Dec 2023Est. completion: Apr 2025392 patients
Phase 4Completed

Immunogenicity and Safety of Hepatitis A Among People Aged 18-50 Years Old

Start: Oct 2023Est. completion: Dec 20291,092 patients
Phase 4Active Not Recruiting

Immunogenicity and Persistence of GlaxoSmithKline (GSK) Biologicals' Havrix® in Healthy Adult Subjects Vaccinated at Infancy Under the Hepatitis A Universal Mass Vaccination (UMV) Program in Israel

Start: May 2018Est. completion: Jan 20190
Phase 4Withdrawn
NCT02445703Sinovac BiotechInactivated Hepatitis A vaccine

Comparison of Immunization Schedules of Inactivated Hepatitis A Vaccine and Combined Hepatitis A and Hepatitis B Vaccine

Start: May 2014Est. completion: Jun 2016301 patients
Phase 4Completed

Immunogenicity and Interchangeability of Two Inactivated Hepatitis A Vaccines

Start: Apr 2010Est. completion: May 2011303 patients
Phase 4Completed
NCT01865968Sinovac BiotechInactivated HAV vaccine

Comparison of Immunogenicity and Safety of Inactivated and Live Attenuated Hepatitis A Vaccines in Young Adults

Start: Oct 2008Est. completion: Sep 2012239 patients
Phase 4Completed

Evaluation of Immune Memory to Twinrix or Comparator by Challenge Dose Administration 4 Years After Primary Vaccination

Start: May 2008Est. completion: Nov 2008506 patients
Phase 4Completed

Hepatitis A Vaccine, Inactivated and Measles, Mumps, Rubella and Varicella Virus Vaccine Live Safety Study (V251-066)(COMPLETED)

Start: Mar 2007Est. completion: Jan 20081,800 patients
Phase 4Completed

Safety, Immunogenicity, and Immune Persistence Study of an Inactivated Hepatitis A Vaccine

Start: Mar 2006Est. completion: Oct 2017400 patients
Phase 4Completed

Long-Term Immune Persistence of GlaxoSmithKline Biologicals' Inactivated Hepatitis A Vaccine, Injected According to 0, 6-month Schedule

Start: Jan 2004Est. completion: Mar 201378 patients
Phase 4Completed

Long-Term Immune Persistence of GlaxoSmithKline Biologicals' Inactivated Hepatitis A Vaccine Injected According to a 0, 12-month Schedule

Start: Jan 2004Est. completion: Mar 2013135 patients
Phase 4Completed
NCT00139113GSKhepatitis A vaccine

Immunogenicity Study of an Inactivated Hepatitis A Vaccine in Infants and Young Children

Start: Sep 1996Est. completion: Jun 2001248 patients
Phase 4Completed

Immunogenicity and Safety of Havrix™ Co-Administered With a Diphtheria, Tetanus and Pertussis and a Haemophilus b Vaccine in Children Aged 15 Months

Start: Nov 2003Est. completion: Dec 2007468 patients
Phase 3Completed

Immunogenicity & Safety of Hepatitis A Vaccine Co-admin With a Measles/Mumps/Rubella & a Varicella Vaccine in Children

Start: Oct 2003Est. completion: Jun 20091,474 patients
Phase 3Completed
NCT00197002GSKGSK Biologicals 2-dose inactivated hepatitis A vaccine

Immune Response & Safety of a Hepatitis A Vaccine Given Together With a Pneumococcal Vaccine in Healthy Children 15 m of Age

Start: Sep 2003Est. completion: Jan 2006521 patients
Phase 3Completed
NCT00197249GSKCombined Vi polysaccharide typhoid vaccine and hepatitis A vaccine- Hepatyrix

Comparative Study in Healthy Adults Aged 18-50 Yrs Administered With Hepatyrix or Havrix+Typherix or Tiphim Vi, to Compare Reactogenicity & Immunogenicity

Start: May 2002Est. completion: Nov 20051,034 patients
Phase 3Completed
NCT00119743GSKundecavalent pneumococcal-protein D conjugate vaccine

A Efficacy Against Otitis Media in Children With 11 Valent Pneumococcal Vaccine

Start: Oct 2000Est. completion: Jun 20045,000 patients
Phase 3Terminated
NCT00338351GSKPneumococcal

Safety and Immunogenicity Study of GlaxoSmithKline (GSK) Biologicals' 10-valent Pneumococcal Conjugate Vaccine.

Start: Apr 2006Est. completion: Oct 2006240 patients
Phase 2Completed

Comparative Evaluation of Oral Ursodeoxycholic Acid in Reducing Bilirubin Levels Among Patients With Acute Viral Hepatitis

Start: Apr 2026Est. completion: Oct 202688 patients
N/ANot Yet Recruiting
NCT02112890GSKData collection

Study to Assess Seroprevalence of Hepatitis A, Hepatitis B and Bordetella Pertussis in Mexico

Start: Dec 2014Est. completion: May 20161,603 patients
N/ACompleted
NCT02002065Sinovac BiotechInactivated HAV vaccine

The Fifth-year Follow-up Study for the Phase IV Clinical Trial of Hepatitis A Vaccine in Healthy Children

Start: Oct 2008Est. completion: Jun 2014332 patients
N/ACompleted
NCT00237991GSKHepatitis A

Safety of GlaxoSmithKline (GSK) Biologicals Hepatitis A Vaccine in Korean Population

Start: Jun 2005600 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

5 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.