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Gastroesophageal Reflux Disease

Gastroenterology
24
Pipeline Programs
21
Companies
42
Clinical Trials
2
Approved Products

Pipeline by Development Stage

Preclinical
Phase 1
Phase 1/2
Phase 2
Phase 2/3
Phase 3
On Market
0
4
0
6
0
1
13
Early DiscoveryClinical DevelopmentMarket

Drug Modality Breakdown

Small Molecule
12100%
+ 35 programs with unclassified modality

Gastroenterology is a $7.3B market characterized by mature, blockbuster-driven portfolios with near-term patent cliff risks.

$7.3B marketMature→ Stable30 products15 companies

Key Trends

  • AbbVie dominance with 43% of top-10 product spending (LINZESS, CREON, RINVOQ)
  • Guanylate cyclase activators and JAK inhibitors driving innovation in constipation and IBD
  • Multiple patent expirations 2026–2030 creating biosimilar and generic erosion headwinds

Career Verdict

Gastroenterology offers stable, well-compensated roles but limited growth upside; best for risk-averse professionals seeking established markets over innovation-driven career trajectories.

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

Market Leaders

#1LINZESSStable
$1.8B
AbbVie·Peak7.6yr
#2CREONDeclining
$1.5B
AbbVie·LOE Approaching
#3XIFAXANDeclining
$1.1B
Bausch Health·LOE Approaching
#4RINVOQGrowing
$976M
AbbVie·Peak11.7yr
#5XELJANZ XRStable
$586M
Pfizer·Peak8.2yr

Drug Class Breakdown

Unknown Mechanism
$2.5B(34%)

mature portfolio anchor

Guanylate Cyclase Activators
$1.9B(27%)

well-established class

Pancreatic Enzymes
$1.5B(20%)

facing biosimilar competition

Janus Kinase Inhibitors
$976M(13%)

growing IBD adoption

Proton Pump Inhibitors
$107M(1%)

commoditized

Career Outlook

Stable

Gastroenterology is a stable, mature market anchored by blockbusters with long patent runways (LINZESS to 2034, RINVOQ to 2038) but faces near-term erosion (XELJANZ 2026). Employment growth is modest and concentrated in device/diagnostic firms rather than pure-pharma. Best for professionals seeking predictable revenue streams over high-risk innovation bets.

Breaking In

Target roles at Roche, J&J, or diagnostic-adjacent firms to maximize hiring volume; pure pharma gastro entry points at AbbVie/Pfizer are limited and highly competitive.

For Experienced Professionals

Leverage gastro expertise in broader GI/immunology roles (Takeda, Novartis) or transition to medical devices/diagnostics where hiring is 3x higher than pharma.

In-Demand Skills

IBD and IBS indication expertiseJAK inhibitor pharmacologyMedical device integration (diagnostics, endoscopy)Generic/biosimilar launch readinessReal-world evidence generation

Best For

Medical Science Liaison (IBD/IBS focus)Commercial Manager (Generic Launch)Clinical Operations SpecialistMarket Access/Reimbursement StrategistRegulatory Affairs (small molecule focus)

Hiring Landscape

$70K-$213K

Total hiring across the gastro ecosystem is 1,818 jobs, dominated by engineering (434) and commercial roles (269). Roche leads absolute hiring at 377 roles, followed by Johnson & Johnson (323) and GE HealthCare (293), reflecting broad medical device and diagnostic involvement alongside pharma. AbbVie's gastro-specific hiring (78 jobs) is modest relative to its portfolio dominance.

1,818
Open Roles
4
Companies Hiring
3
Departments

Top Hiring Companies

377Growing
293Stable
78Stable

By Department

Engineering(24%)
$169K
Commercial(15%)
$176K
Manufacturing(10%)
$213K

Manufacturing and commercial roles command premium salaries ($213K and $176K respectively), but total gastro-pharma hiring is concentrated in Roche and J&J, not pure-play GI companies.

On Market (2)

Approved therapies currently available

Takeda
DEXILANTApproved
dexlansoprazole
Takeda
Proton Pump Inhibitor [EPC]oral2009
87M Part D
RABEPRAZOLE SODIUMApproved
rabeprazole
Unknown Company
oral2015

Competitive Landscape

20 companies ranked by most advanced pipeline stage

AstraZeneca
AstraZenecaCAMBRIDGE, United Kingdom
15 programs
2
2
8
EsomeprazolePhase 4Small Molecule1 trial
EsomeprazolePhase 4Small Molecule1 trial
EsomeprazolePhase 4Small Molecule1 trial
EsomeprazolePhase 4Small Molecule1 trial
Esomeprazole 40 mgPhase 41 trial
+10 more programs
Active Trials
NCT01432392Completed1,000Est. Apr 2012
NCT00768443Completed2,674Est. Feb 2009
NCT00536328Terminated938Est. Jun 2008
+12 more trials
Takeda
TakedaTOKYO, Japan
5 programs
1
DEXILANT(Lansoprazole)PHASE_1Small Molecule1 trial
SPD557PHASE_21 trial
SSP-002358PHASE_21 trial
Dexlansoprazole MRPHASE_31 trial
Dexlansoprazole MRPHASE_31 trial
Active Trials
NCT00220818Completed24Est. Jul 2005
NCT01370863Terminated67Est. May 2012
NCT01472939Completed480Est. May 2013
+2 more trials
Pfizer
PfizerNEW YORK, NY
2 programs
1
1
IV pantoprazolePhase 4Small Molecule1 trial
PF-00885706Phase 21 trial
Active Trials
NCT00730665Terminated81Est. Oct 2008
NCT02401035Terminated19Est. Jun 2021
Dr. Falk Pharma
Dr. Falk PharmaGermany - Freiburg
1 program
1
MucofalkPhase 41 trial
Active Trials
NCT01882088Completed36Est. Dec 2016
Angeles Therapeutics
Angeles TherapeuticsCA - Los Angeles
1 program
1
rabeprazolePhase 4Small Molecule1 trial
Active Trials
NCT00304421Completed23Est. Sep 2007
Livzon Pharmaceutical
Livzon PharmaceuticalChina - Zhuhai
2 programs
1
1
10 mg ilaprazolePhase 3Small Molecule1 trial
10 mg ilaprazolePhase 2Small Molecule1 trial
Active Trials
NCT01107938Unknown330
NCT02860624Completed550
ViiV Healthcare
ViiV HealthcareNC - Durham
2 programs
1
1
AH23844Phase 2
LavoltidinePhase 1
Otsuka
OtsukaJapan - Tokushima
1 program
1
CalciumPhase 21 trial
Active Trials
NCT03284177Completed55Est. Dec 2018
Sandoz
SandozAustria - Kundl
1 program
1
AFQ056Phase 11 trial
Active Trials
NCT00414856Completed34
Eisai
EisaiChina - Liaoning
5 programs
E3710PHASE_11 trial
Rabeprazole 20 mgPHASE_21 trial
rabeprazole sodiumPHASE_21 trial
RabeprazolePHASE_3Small Molecule1 trial
rabeprazolePHASE_4Small Molecule
Active Trials
NCT01390714Completed30Est. Oct 2011
NCT00165841Completed200Est. Jun 2008
NCT00132496Completed111Est. Jul 2006
+1 more trials
GSK
GSKLONDON, United Kingdom
2 programs
LavoltidinePHASE_11 trial
AH23844PHASE_21 trial
Active Trials
NCT00551473Completed18
NCT00405119Completed92Est. Mar 2007
Sanofi
SanofiPARIS, France
2 programs
Z0063PHASE_11 trial
Z0063PHASE_11 trial
Active Trials
NCT03065816Completed34Est. May 2017
NCT03069963Completed24Est. Apr 2017
Human BioSciences
Human BioSciencesWV - Martinsburg
1 program
CYP2C19 genotypingN/A
Genome & Company
Genome & CompanyKorea - Suwon
1 program
CYP2C19 genotypingN/A1 trial
Active Trials
NCT02930824Completed185Est. Jul 2019
Colorado Therapeutics
Colorado TherapeuticsCO - Louisville
1 program
ColonoscopyN/A1 trial
Active Trials
NCT02457104Unknown120Est. Dec 2021
Oregon Therapeutics
Oregon TherapeuticsFrance - Paris
1 program
Disease management of gastroesophageal reflux diseaseN/A1 trial
Active Trials
NCT00057174Completed484Est. Jun 2004
UNION therapeutics
UNION therapeuticsDenmark - Hellerup
1 program
the Novel Esophageal Cell Collection DeviceN/A1 trial
Active Trials
NCT06504134Not Yet Recruiting1,000Est. Dec 2027
Phathom Pharmaceuticals
Phathom PharmaceuticalsFLORHAM PARK, NJ
1 program
VonoprazanPHASE_11 trial
Active Trials
NCT06106022Completed22Est. Apr 2024
Ironwood Pharmaceuticals
1 program
IW-3718PHASE_21 trial
Active Trials
NCT02637557Completed282Est. Apr 2017
Parexel
ParexelMA - Boston
1 program
esomeprazole 20 mgPHASE_4

Trial Timeline

Clinical trial activity over time

2021
2022
2023
2024
2025
2026
2027
PfizerIV pantoprazole
Dr. Falk PharmaMucofalk
AstraZenecaesomeprazole 20 mg
AstraZenecaEsomeprazole
AstraZenecaEsomeprazole 40 mg
AstraZenecaEsomeprazole 40mg
AstraZenecaesomeprazole
AstraZenecaEsomeprazole
Angeles Therapeuticsrabeprazole
AstraZenecaEsomeprazole
AstraZenecaEsomeprazole
EisaiRabeprazole
Livzon Pharmaceutical10 mg ilaprazole
TakedaDexlansoprazole MR
TakedaDexlansoprazole MR

Showing 15 of 42 trials with date data

Clinical Trials (42)

Total enrollment: 13,849 patients across 42 trials

NCT02401035PfizerIV pantoprazole

PREA, PK And Safety PASS Study Of IV Pantoprazole In Pediatric Subjects

Start: May 2017Est. completion: Jun 202119 patients
Phase 4Terminated

Phase IV Study of the Impact of Dietary Fibers on Symptoms and Esophageal Motility in Patients With Non-erosive GERD

Start: Apr 2012Est. completion: Dec 201636 patients
Phase 4Completed
NCT01397084AstraZenecaesomeprazole 20 mg

To Assess the Efficacy of Esomeprazole 20mg Once Daily in Subjects Who Still Had Heartburn After Receiving Rabeprazole

Start: Aug 2011Est. completion: Jan 2012107 patients
Phase 4Completed

Local Phase IV, Gastroesophageal Reflux Disease (GERD) Sleep Study US

Start: Apr 2008Est. completion: Jul 2008276 patients
Phase 4Completed
NCT00734097AstraZenecaEsomeprazole 40 mg

A Study of Nexium (Esomeprazole) 40 mg Once Daily in Subjects With Symptoms of Gastroesophageal Reflux Disease (GORD) After Treatment With a Full Dose of Proton Pump Inhibitor (PPI)

Start: Nov 2007Est. completion: Oct 2008314 patients
Phase 4Completed
NCT00410592AstraZenecaEsomeprazole 40mg

Evaluation of 24-Hour Intragastric pH Using Esomeprazole, Lansoprazole, and Pantoprazole in Hispanic Patients With GERD

Start: Oct 2006Est. completion: May 200790 patients
Phase 4Completed

Symptom Adapted Therapy in GERD Patients

Start: Aug 2006Est. completion: Aug 2007441 patients
Phase 4Completed

Esomeprazole in PPI Failures - IMPROVE

Start: Dec 2005Est. completion: Feb 2007450 patients
Phase 4Completed

Comparison of the Nighttime Effects of Two Different Drugs on Subjects With GERD

Start: Jan 2004Est. completion: Sep 200723 patients
Phase 4Completed

Study Comparing the Effects of Esomeprazole Adminstered Orally and Intravenously on Basal and Pentrigastrin-stimulated Acid Output in Subjects With Symptoms of Gastroesophageal Reflux Disease (GERD)

Start: Sep 2002Est. completion: Nov 200260 patients
Phase 4Completed

Open, Randomized, Two Way Crossover Study Comparing the Effect of Esomeprazole Adminstered Orally and iv

Start: Jul 2002Est. completion: Oct 200260 patients
Phase 4Completed
NCT02135107EisaiRabeprazole

A Double-blind Comparative Study of the Efficacy and Safety of E3810 10mg Once and Twice Daily in Maintenance Therapy for PPI Resistant Gastroesophageal Reflux Disease Patients

Start: Sep 2013Est. completion: Jun 2016517 patients
Phase 3Completed

Ilaprazole for the Treatment of Gastroesophageal Reflux Disease (GERD) in Chinese Patients

Start: Dec 2011550 patients
Phase 3Completed
NCT00321984TakedaDexlansoprazole MR

Safety and Efficacy of Dexlansoprazole Modified Release Formulation to Treat Gastroesophageal Reflux Disease

Start: Jun 2006Est. completion: Dec 2006947 patients
Phase 3Completed
NCT00251745TakedaDexlansoprazole MR

Efficacy and Safety of Dexlansoprazole Modified Release Formulation to Treat Heartburn

Start: Dec 2005Est. completion: May 2006908 patients
Phase 3Completed

A Trial of C13-CAC Breath Test in PPI Resistant GERD Patients

Start: Oct 2017Est. completion: Dec 201855 patients
Phase 2Completed

A Trial of IW-3718 for 8 Weeks in Patients With Symptomatic Gastroesophageal Reflux Disease (GERD)

Start: Mar 2016Est. completion: Apr 2017282 patients
Phase 2Completed

Selective 5-HT4 Receptor Agonist and Proton Pump Inhibitor (PPI) in Subjects With Gastroesophageal Reflux Disease (GERD)

Start: Feb 2012Est. completion: May 2013480 patients
Phase 2Completed

An Explorative Trial to Evaluate the Pharmacodynamic Effect of SPD557 on Reflux Parameters in Refractory GERD Patients

Start: Dec 2010Est. completion: May 201267 patients
Phase 2Terminated

Ilaprazole for the Treatment of Gastroesophageal Reflux Disease (GERD) in Chinese Patients

Start: May 2010330 patients
Phase 2Unknown

A Study to Estimate Effect of 4 Different Doses of AZD3355 on Reflux Episodes, Which Patients With Gastroesophageal Reflux Disease (GERD) May Experience

Start: Dec 2009Est. completion: May 201027 patients
Phase 2Completed

Investigate the Effect of Different Doses of Lesogaberan (AZD3355) as add-on to PPI in GERD Patients With Partial Response to PPI

Start: Oct 2009Est. completion: Jul 2010661 patients
Phase 2Completed

Efficacy And Safety Of PF-00885706 For The Relief Of Symptoms In Subjects With Gastro-esophageal Reflux Disease (GERD)

Start: Jan 2008Est. completion: Oct 200881 patients
Phase 2Terminated

A Study To Investigate The Effectiveness Of AH234844 (Lavoltidine) Compared With NEXIUM And Ranitidine.

Start: May 2006Est. completion: Mar 200792 patients
Phase 2Completed
NCT00132496Eisairabeprazole sodium

Treatment of Gastroesophageal Reflux Disease in 12-16 Year Old Patients With Rabeprazole

Start: Aug 2005Est. completion: Jul 2006111 patients
Phase 2Completed
NCT00165841EisaiRabeprazole 20 mg

Maintenance Intermittent Therapy for Symptomatic GERD Patients

Start: Oct 2004Est. completion: Jun 2008200 patients
Phase 2Completed

A Study to Evaluate Vonoprazan in Children Who Have Symptomatic Gastroesophageal Reflux Disease

Start: Nov 2023Est. completion: Apr 202422 patients
Phase 1Completed

PH Metry Study to Compare the Antacid Activity of Z0063 Versus Gaviscon Double Action Tablets, in Healthy Adult Subjects

Start: Feb 2017Est. completion: Apr 201724 patients
Phase 1Completed

Scintigraphy Study to Compare the Antireflux Activity of the Z0063 Versus Gaviscon Double Action Tablets, in Healthy Adult Subjects

Start: Feb 2017Est. completion: May 201734 patients
Phase 1Completed

Pharmacodynamic and Pharmacokinetic Study of E3710 Following Oral Administration to Healthy, Male, Japanese Subjects

Start: Jul 2011Est. completion: Oct 201130 patients
Phase 1Completed

Study to Compare Different Formulations of AZD3355

Start: Apr 2008Est. completion: Jun 200848 patients
Phase 1Completed

Drug Interaction Study Between AZD3355 and Nexium

Start: Mar 2008Est. completion: Jun 200830 patients
Phase 1Completed
NCT00551473GSKLavoltidine

Open-label Comparison of 24hr Gastric pH on Days 1, 2, 7 With Once-daily Administration of Lavoltidine 40 mg.

Start: May 200718 patients
Phase 1Completed

Effects of AFQ056 and Baclofen on Meal-Induced Gastroesophageal Reflux

Start: Aug 200634 patients
Phase 1Completed
NCT00220818TakedaLansoprazole

A Study to Evaluate the Effect of Lansoprazole on Infants With Gastroesophageal Reflux Disease.

Start: Jan 2005Est. completion: Jul 200524 patients
Phase 1Completed
NCT00057174Oregon TherapeuticsDisease management of gastroesophageal reflux disease

Economic Impact of Guidelines for Gastroesophageal Reflux Disease

Est. completion: Jun 2004484 patients
N/ACompleted
NCT06504134UNION therapeuticsthe Novel Esophageal Cell Collection Device

Gastroesophageal Reflux Disease Diagnostic Trial

Start: Jul 2024Est. completion: Dec 20271,000 patients
N/ANot Yet Recruiting
NCT02930824Genome & CompanyCYP2C19 genotyping

Genotype-supported Versus Conventional Proton Pump Inhibitor Dosing

Start: Dec 2016Est. completion: Jul 2019185 patients
N/ACompleted

The Effect of PPI Therapy on Weight, Gut Microbiome, and Expression of GPR41 and GPR43

Start: Jun 2015Est. completion: Dec 2021120 patients
N/AUnknown
NCT01432392AstraZenecaSymptom Control and Impact on Daily Life in Patients With Gastroesophageal Reflux Disease

Symptom Control and Impact on Daily Life in Patients With Gastroesophageal Reflux Disease

Start: Sep 2011Est. completion: Apr 20121,000 patients
N/ACompleted
NCT00768443AstraZenecaSymptoms and Management Strategies in Gastroesophageal Reflux Disease (GERD)

Symptoms and Management Strategies in Gastroesophageal Reflux Disease (GERD)

Start: Sep 2008Est. completion: Feb 20092,674 patients
N/ACompleted
NCT00536328AstraZenecaWhat is the Predictive Value of the Reflux Impact Scale

What is the Predictive Value of the Reflux Impact Scale

Start: Oct 2007Est. completion: Jun 2008938 patients
N/ATerminated

Related Jobs in Gastroenterology

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
21 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.