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Completed Phase 1 Interventional Accepts healthy volunteers

PfSPZ Challenge in Healthy Malaria-Naïve Adults in the United States

ClinicalTrials.gov ID: NCT02773979

Public ClinicalTrials.gov record NCT02773979. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 9, 2026, 6:44 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 1 Dose Escalation Trial to Assess the Safety and Efficacy of Infectious (Replication-intact), Cryopreserved Plasmodium Falciparum Sporozoites (PfSPZ Challenge) Administered by Direct Venous Inoculation Under Chloroquine Cover (PfSPZ-CVac) on Varying Schedules in Healthy Malaria-Naïve Adults in the United States

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This phase I trial of the replication-intact PfSPZ Challenge vaccine given under CQ cover will enroll 28 healthy volunteers to receive PfSPZ or placebo, as well as suppressive doses of chloroquine (CQ)on varying schedules. 10 weeks post 3rd immunization subjects will be subjected to controlled human malarial infection. The primary objective of this study is to evaluate the safety and tolerability of escalating doses of Sanaria PfSPZ Challenge administered by DVI on varying schedules to healthy malaria-naïve adults taking suppressive doses of CQ (PfSPZ-CVac).

Study identification

NCT ID
NCT02773979
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Enrollment
28 participants

Conditions and interventions

Interventions

Drug · Biological · Other

Eligibility (public fields only)

Age range
18 Years to 45 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 11, 2016
Primary completion
Jan 21, 2018
Completion
Jan 21, 2018
Last update posted
Dec 26, 2019

2016 – 2018

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Kaiser Permanente Washington Health Research Institute - Vaccines and Infectious Diseases Seattle Washington 98101-1466

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02773979, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Dec 26, 2019 · Synced Sep 9, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02773979 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →