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New malaria vaccine for pregnant women enters human testing

NCT ID NCT02658253

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early-stage trial tested a vaccine called PRIMVAC, designed to prevent malaria during pregnancy. Researchers gave three different doses to 68 healthy adults in France and Burkina Faso to check safety and immune response. The vaccine targets a protein that helps malaria parasites attach to the placenta.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
PRIMVAC vaccine (a protein from the malaria parasite) with either Alhydrogel or GLA-SE adjuvant
What this could lead to
If successful, this could lead to a vaccine that protects pregnant women from placental malaria, preventing severe complications for mothers and babies.
What could go wrong
This is an early Phase 1 trial with only 68 participants, focused on safety and immune response, not yet on preventing disease. The vaccine may not produce strong enough immunity or could cause side effects.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

68 people

The number who actually took part.

Start date

Jan 2016

Finished

Feb 2019

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 35 years

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion criteria (FRANCE): * Written informed consent (must be obtained prior initiation of any study related intervention) * Female of age ≥18 years to ≤35 years * Healthy as a result of review of medical history and/or clinical examination at the time of screening and clinical judgment of the investigator * Available for the duration of the trial (15 months) * Willingness to use reliable contraceptive methods such as: birth control pills or birth control patches or vaginal ring, diaphragm, IUD (intrauterine device), condom, progestin implant or injection, or surgical sterilization (hysterectomy, bilateral oophorectomy, tubal ligation) prior to enrollment at V0 and up to 4 weeks after last vaccination (V6) * Volunteer reachable by phone during the entire study duration * Individuals affiliated to a social security regimen * Volunteer registered in the French Health ministry computerized file and authorized to participate in a clinical trial Exclusion criteria (FRANCE): * Pregnancy ongoing as determined by a positive blood test or breastfeeding or lactation. * Intention to become pregnant during the trial * Volunteers who are not able to understand and to follow all required study procedures for the whole period of the study in the opinion of the investigator. * Volunteers with history of any illness that, in the opinion of the investigator, might interfere with the results of the study or pose additional risk to the subjects due to participation in the study. * Volunteers participating in any clinical trial with another investigational product 28 days prior to first study visit or intent to participate in another clinical study at any time during the conduct of this study. * History of psychiatric condition that may affect participation in the study (i.e. depression, anti-depressant treatment). * Prior receipt of an investigational malaria vaccine or any other investigational vaccine likely to impact on interpretation of the study data based on investigator's judgment. * Any history of malaria infection. * Travel to a malaria endemic region during the study period or within the six months preceding enrolment in the study. * Volunteer has had medical, occupational, or family problems as a result of alcohol or illicit drug use during the past 12 months. * History of allergic disease or reactions likely to be exacerbated by any component of the vaccine. * History of a serious adverse reaction to any vaccine, including Guillain-Barre Syndrome. * Administration or planned administration of a vaccine or gammaglobulin not foreseen by the clinical trial protocol within 30 days prior to the first immunization and up to 4 weeks after the last immunization. * Volunteers with a known bleeding diathesis, or any condition that may be associated with a prolonged bleeding time. * Administration of immunoglobulins and/or any blood products within the three months preceding the inclusion. * Any confirmed or suspected immunosuppressive or immunodeficient state; asplenia; recurrent, severe infections and chronic (more than 14 days) immunosuppressant medication within the past 3 months (inhaled and topical steroids are allowed) * Seropositive for hepatitis B virus surface antigen (HBsAg) * Seropositive for hepatitis C virus (antibodies to HCV) * Seropositive for human immunodeficiency virus (antibodies to HIV 1-2) * Any other serious chronic illness requiring hospital specialist supervision. * Any clinically significant abnormal finding on screening biochemistry or hematology blood tests or urinalysis * Symptoms, physical signs or laboratory values suggestive of systemic disorders, including infectious renal, hepatic, cardiovascular, pulmonary, cutaneous, immunodeficiency, psychiatric and other conditions, which could interfere with the interpretation of the trial results or compromise the health of the volunteers. * Volunteer under guardianship or legal incapacitation. Inclusion criteria (BURKINA FASO): * Written informed consent (must be obtained prior initiation of any study related intervention) * Nulligest Female of age ≥18 years to ≤35 years * Healthy as a result of review of medical history and/or clinical examination at the time of screening and clinical judgment of the investigator * Available for the duration of the trial (15 months) * Willingness to use reliable contraceptive methods such as: birth control pills or birth control patches or vaginal ring, diaphragm, IUD (intrauterine device), condom, progestin implant or injection, or surgical sterilization (hysterectomy, bilateral oophorectomy, tubal ligation) prior to enrollment at V0 and up to 4 weeks after last vaccination (V6) Exclusion criteria (BURKINA FASO): * Pregnancy ongoing as determined by a positive urinary test * Intention to become pregnant during the trial * Volunteers who are not able to understand and to follow all required study procedures for the whole period of the study in the opinion of the investigator. * Volunteers with history of any illness that, in the opinion of the investigator, might interfere with the results of the study or pose additional risk to the subjects due to participation in the study. * Volunteers participating in any clinical trial with another investigational product 28 days prior to first study visit or intent to participate in another clinical study at any time during the conduct of this study. * History of psychiatric condition that may affect participation in the study (i.e. depression, anti-depressant treatment). * Prior receipt of an investigational malaria vaccine or any other investigational vaccine likely to impact on interpretation of the trial data, based on investigator's judgment. * Volunteer has had medical, occupational, or family problems as a result of alcohol or illicit drug use during the past 12 months. * History of allergic disease or reactions likely to be exacerbated by any component of the vaccine. * History of a serious adverse reaction to any vaccine, including Guillain-Barre syndrome. * Administration or planned administration of a vaccine or gammaglobulin not foreseen by the clinical trial protocol within 30 days prior to the first immunization and up to 4 weeks after the last immunization. * Volunteers with a known bleeding diathesis, or any condition that may be associated with a prolonged bleeding time. * Administration of immunoglobulins and/or any blood products within the three months preceding the inclusion. * Any confirmed or suspected immunosuppressive or immunodeficient state; asplenia; recurrent, severe infections and chronic (more than 14 days) immunosuppressant medication within the past 3 months (inhaled and topical steroids are allowed). * Seropositive for hepatitis B virus surface antigen (HBsAg). * Seropositive for hepatitis C virus (antibodies to HCV). * Seropositive for human immunodeficiency virus (antibodies to HIV 1-2). * Any other serious chronic illness requiring hospital specialist supervision. * Any clinically significant abnormal finding on screening biochemistry or hematology blood tests or urinalysis * Symptoms, physical signs or laboratory values suggestive of systemic disorders, including renal, hepatic, cardiovascular, pulmonary, cutaneous, immunodeficiency, psychiatric and other conditions, which could interfere with the interpretation of the trial results or compromise the health of the volunteers. * Volunteer under guardianship or legal incapacitation.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • CIC 1417

    Paris, 75679, France

  • CNRFP

    Ouagadougou, BP 2208, Burkina Faso

More trials for these conditions

Other studies related to the condition(s) this trial covers.