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Study to Evaluate the Safety, Tolerability and Immunogenicity of INO-4700 for Middle East Respiratory Syndrome Coronavirus (MERS-CoV) in Healthy Volunteers

A Phase 2a, randomized, blinded, placebo-controlled, multi-center trial to evaluate the safety, tolerability and immunological profile of INO-4700 administered by intradermal (ID) injection followed by electroporation (EP) using the CELLECTRATM 2000 device in healthy adult volunteers

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
PACTR
Registry ID
PACTR202012691703415
Enrollment
542
Registered
2020-12-09
Start date
2021-05-01
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Healthy Volunteers - MERS COV Vaccine

Interventions

INO4700 followed by Electroporation

Sponsors

Inovio Pharmaceuticals Inc
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; Able and willing to comply with all study procedures; Screening laboratory results within normal limits; 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); Be post-menopausal or be surgically sterile or have a partner who is sterile or use medically effective contraception with a failure rate of < 1% per year when used consistently and correctly from screening until 1 month 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 1 month following last dose; History of respiratory diseases such as asthma, chronic obstructive pulmonary disease (COPD) or chronic bronchitis; 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 the prevention of MERS or severe acute respiratory syndrome (SARS); Prior exposure to MERS-CoV or camels; Participants who participate in MERS-201 Part 1 cannot participate in MERS-201 Part 2; Fewer than two acceptable sites available for ID injection and EP considering the deltoid and anterolateral quadriceps muscles; Prisoner or participants who are compulsorily detained (involuntary incarceration); Current or anticipated concomitant immunosuppressive therapy (excluding inhaled, topical skin and/or eye drop-containing corticosteroids) prior to dosing. Systemic corticosteroids must be discontinued at least 3 months prior to first dose; Reported active drug or alcohol or substance abuse or dependence.

Design outcomes

Primary

MeasureTime frame
Frequency of Adverse Events in Part 1;Percentage of Participants with Adverse Events in Part 1;Frequency of Injection Site Reactions in Part 1;Percentage of Participants with injection Site Reactions in Part 1;Frequency of Adverse Events of Special Interest (AESIs) in Part 1;Percentage of Participants with Adverse Events of Special Interest (AESIs) in Part 1;Geometric Mean Titers (GMTs) of MERS-CoV Antigen Specific Binding Antibodies in Part 1;Percentage MERS-CoV Antigen Specific Neutralizing Antibodies in Part 1;Percentage Antigen Specific Cellular Immune Response in Part 1;Percentage of Seroconverted Participants in Part 1;Percentage of Participants with Overall Immune Response in Part 1;Frequency of Adverse Events in Part 2;Percentage of Participants with Adverse Events in Part 2;Frequency of Injection Site Reactions in Part 2;Percentage of Participants with Injection Site Reactions in Part 2;Frequency of Adverse Events of Special Interest (AESIs) in Part 2;Percentage of Participants with Adverse Events of Special Interest (AESIs) in Part 2;Geometric Mean Titers (GMTs) of MERS-CoV Antigen Specific Binding Antibodies in Part 2;Percentage MERS-CoV Antigen Specific Neutralizing Antibodies in Part 2;Percentage Antigen Specific Celluar Immune Response in Part 2;Percentage of Seroconverted Participants in Part 2;Percentage of Participants with Overall Immune Response in Part 2

Countries

Kenya

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Aug 9, 2026