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Dose-ranging Study: Safety, Tolerability and Immunogenicity of INO-4500 in Healthy Volunteers in Ghana

Dose-Ranging Study to Evaluate the Safety, Tolerability and Immunogenicity of INO-4500 in Combination With Electroporation in Healthy Volunteers in Ghana

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
PACTR
Registry ID
PACTR201910864382850
Enrollment
220
Registered
2019-10-18
Start date
2021-01-15
Completion date
Unknown
Last updated
2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Lassa Fever

Interventions

INO 4500 Group A
INO 4500 Group B
Placebo Group D

Sponsors

Inovio Pharmaceuticals
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Judged to be healthy by the Investigator on the basis of medical history, physical examination and vital signs performed at Screening; Negative tests for Hepatitis B surface antigen (HBsAg), Hepatitis C antibody and Human Immunodeficiency Virus (HIV) antibody; Screening electrocardiogram (ECG) deemed by the Investigator as having no clinically significant findings (e.g. Wolff-Parkinson-White syndrome); Must meet one of the following criteria with respect to reproductive capacity: Surgically sterile or have a partner who is sterile (i.e., vasectomy in males or tubal ligation, absence of ovaries and/or uterus in females). In the case of vasectomy, participants should wait six (6) months post-vasectomy prior to enrolling. Women who are post-menopausal as defined by absence of menstruation for = 12 months. Use of medically effective contraception when used consistently and correctly from Screening until three (3) months following last dose.

Exclusion criteria

Exclusion criteria: Pregnant or breastfeeding, or intending to become pregnant or father children within the projected duration of the trial starting with the Screening visit until three (3) months following last dose; Positive serum pregnancy test during Screening or positive urine pregnancy test prior to any dosing; Is currently participating in or has participated in a study with an investigational product within 30 days preceding Day 0; Previous receipt of an investigational vaccine product for prevention of Lassa Fever; Audiometry testing that demonstrates a hearing level threshold of 30dB or greater for any frequency tested between 500 Hz - 8000Hz; Fewer than two acceptable sites available for ID injection and EP considering the deltoid and anterolateral quadriceps muscles; Current or anticipated concomitant immunosuppressive therapy; Fever with or without cough or any other concurrent illness which the PI feels is contraindicated to clinical trial participation.

Design outcomes

Primary

MeasureTime frame
Number of Participants with Adverse Events (AEs) ;Number of Participants with Injection Site Reactions;Number of Participants with Adverse Events of Special Interest (AESIs);Change from Baseline in Antigen Specific Binding Antibody titers;Change from Baseline in Lassa virus (LASV) Neutralizing Antibodies

Secondary

MeasureTime frame
Change from Baseline in Interferon-Gamma Response Magnitude

Countries

Ghana

Contacts

Public ContactSusan;Kwadwo Adu Amankwah;Koram

Noguchi Memorial Institute for Medical Research;Noguchi Memorial Institute for Medical Research

SAdu-Amankwah@noguchi.ug.edu.gh;KKoram@noguchi.ug.edu.gh233244734811;233302501178

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026