Lassa fever

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ORPHA:99824A96.2
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6Active trials28Specialists8Treatment centers

Where are you in your journey?

UniteRare data is sourced from FDA.gov, ClinicalTrials.gov, Orphanet, OMIM, and NORD.
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Overview

Also known as:

Clinical phenotype terms— hover any for plain English:

Increased circulating IgM levelHP:0003496ViremiaHP:0020071MenometrorrhagiaHP:0400008PharyngitisHP:0025439
Orphanet ↗NORD ↗

FDA & Trial Timeline

6 events
Feb 2026ARN-75039 Lassa Fever Treatment in West Africa

Arisan Therapeutics, Inc. — PHASE2

TrialRECRUITING
May 2025ISTH/ANRS 0409s INTEGRATE Lassa Fever Study

Irrua Specialist Teaching Hospital — PHASE2, PHASE3

TrialRECRUITING
Jan 2025DMID 23-0015; Lassa Fever CVD 1000

Wilbur Chen, MD, MS — PHASE1

TrialACTIVE NOT RECRUITING
Mar 2024A Lassa Fever Vaccine Trial in Adults and Children Residing in West Africa

International AIDS Vaccine Initiative — PHASE2

TrialRECRUITING
Feb 2024LAssa Fever Adjunct Treatment With DEXamethasone

Bernhard Nocht Institute for Tropical Medicine — PHASE2

TrialRECRUITING
Apr 2018Lassa Fever Clinical Course and Prognostic Factors in Nigeria

Alliance for International Medical Action

TrialACTIVE NOT RECRUITING

Data sourced from FDA regulatory filings and ClinicalTrials.gov. Updated periodically.

Treatments

No FDA-approved treatments are currently listed for Lassa fever.

6 clinical trialsare actively recruiting — trials can provide access to cutting-edge therapies.

View clinical trials →

Clinical Trials

6 recruitingView all trials with filters →
Phase 23 trials
LAssa Fever Adjunct Treatment With DEXamethasone
Phase 2
Actively Recruiting
PI: Stephan Günther, Prof. (Bernhard Nocht Institute for Tropical Medicine) · Sites: Irrua, Edo · Age: 1899 yrs
A Lassa Fever Vaccine Trial in Adults and Children Residing in West Africa
Phase 2
Actively Recruiting
· Sites: Accra; Monrovia +1 more · Age: 070 yrs
ARN-75039 Lassa Fever Treatment in West Africa
Phase 2
Actively Recruiting
PI: Ken McCormack, PhD (Arisan Therapeutics, Inc.) · Sites: Carlsbad, California; Owo, Ondo State +2 more · Age: 1899 yrs
Phase 11 trial
DMID 23-0015; Lassa Fever CVD 1000
Phase 1
Active
· Sites: Baltimore, Maryland · Age: 1850 yrs
Other1 trial
Lassa Fever Clinical Course and Prognostic Factors in Nigeria
Active
PI: Denis Malvy, MD, PhD (Inserm 1219 - Infectious Diseases in Ressource Lim) · Sites: Abakaliki, Ebonyi State; Owo, Ondo State

Specialists

Showing 25 of 28View all specialists →
SM
Sylvanus OKOGBENIN, MD
Specialist
PI on 1 active trial
MM
Marie MD JASPARD, MD
Specialist
PI on 1 active trial
SP
Stephan Günther, Prof.
Specialist
PI on 1 active trial
MF
Mammen Mammen, MD, FACP, FIDSA
FORT GEORGE G MEADE, MD
Specialist
PI on 1 active trial
RM
Ruth McCabe
Specialist
1 Lassa fever publication
DS
Derek R Stein
Specialist
1 Lassa fever publication
AB
Antoinette R Bell-Kareem
Specialist
1 Lassa fever publication
AS
Allison R Smither
Specialist
1 Lassa fever publication
PD
Patrick Doohan
Specialist
1 Lassa fever publication
TN
Tristan M Naidoo
Specialist
1 Lassa fever publication
JH
Joseph T Hicks
Specialist
1 Lassa fever publication
SB
Sangeeta Bhatia
PITTSBURGH, PA
Specialist
1 Lassa fever publication
KM
Kelly McCain
FORT WAYNE, IN
Specialist
1 Lassa fever publication
DJ
David Jorgensen
LITTLE FALLS, MN
Specialist
1 Lassa fever publication
BW
Bryce M Warner
ANCHORAGE, AK
Specialist
1 Lassa fever publication
DG
Donald S Grant
MACY, NE
Specialist
2 Lassa fever publications
RG
Robert F Garry
Specialist
4 Lassa fever publications
SP
Sylvanus Okogbenin, Prof
Specialist
PI on 1 active trial
OM
Oladele O Ayodeji, MD
Specialist
PI on 1 active trial
OD
Oluwafemi Ayodeji, Dr
Specialist
PI on 1 active trial
PD
Peter Akhideno, Dr
Specialist
PI on 1 active trial
BM
Bonaventure Orizu, MD
Specialist
PI on 2 active trials
DP
Denis Malvy, MD, PhD
Specialist
PI on 1 active trial
HM
Heinrich U Feldmann, M.D.
Specialist
PI on 2 active trials
SG
Swati B Gupta
Specialist
2 Lassa fever publications

Treatment Centers

8 centers
🏥 NORD

Baylor College of Medicine Rare Disease Center

Baylor College of Medicine

📍 Houston, TX

🏥 NORD

Stanford Medicine Rare Disease Center

Stanford Medicine

📍 Stanford, CA

🔬 UDN

NIH Clinical Center Undiagnosed Diseases Program

National Institutes of Health

📍 Bethesda, MD

🔬 UDN

UCLA UDN Clinical Site

UCLA Health

📍 Los Angeles, CA

🔬 UDN

Baylor College of Medicine UDN Clinical Site

Baylor College of Medicine

📍 Houston, TX

🔬 UDN

Harvard/MGH UDN Clinical Site

Massachusetts General Hospital

📍 Boston, MA

🏥 NORD

Mayo Clinic Center for Individualized Medicine

Mayo Clinic

📍 Rochester, MN

👤 Mayo Clinic Center for Individualized Medicine

🏥 NORD

UCLA Rare Disease Day Program

UCLA Health

📍 Los Angeles, CA

Travel Grants

No travel grants are currently matched to Lassa fever.

Search all travel grants →NORD Financial Assistance ↗

Community

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Latest news about Lassa fever

Disease timeline:

New recruiting trial: ARN-75039 Lassa Fever Treatment in West Africa

A new clinical trial is recruiting patients for Lassa fever

New recruiting trial: A Lassa Fever Vaccine Trial in Adults and Children Residing in West Africa

A new clinical trial is recruiting patients for Lassa fever

New recruiting trial: ISTH/ANRS 0409s INTEGRATE Lassa Fever Study

A new clinical trial is recruiting patients for Lassa fever

New recruiting trial: LAssa Fever Adjunct Treatment With DEXamethasone

A new clinical trial is recruiting patients for Lassa fever

Caregiver Resources

NORD Caregiver Resources

Support, advocacy, and financial assistance for caregivers of rare disease patients.

Mental Health Support

Rare disease caregiving can be isolating. Connect with counseling and peer support.

Family & Caregiver Grants

Financial assistance programs specifically for caregivers of rare disease patients.

Social Security Disability

Learn how rare disease patients may qualify for SSDI/SSI benefits.

Common questions about Lassa fever

Are there clinical trials for Lassa fever?

Yes — 6 recruiting clinical trials are currently listed for Lassa fever on UniteRare. See the clinical trials section on this page for phase, sponsor, and site details sourced from ClinicalTrials.gov.

Which specialists treat Lassa fever?

25 specialists and care centers treating Lassa fever are listed on UniteRare, sourced from ClinicalTrials.gov principal investigators, published research, and the NPPES NPI registry.