Clinical Trial to Evaluate the Safety and Immunogenicity of the V2 Apex-Directed Immunogens DV201P-RNA and DV202B1-RNA in Adult Participants Without HIV

Recruiting now · Phase 1

Conditions studied: HIV

In brief

This is a phase 1, multicenter, open-label, dose escalation, first-in-human (FIH) trial to evaluate the safety and immunogenicity of DV201P-RNA and DV202B1-RNA, immunogens designed to induce HIV-1 envelope (Env) V2 apex-specific broadly neutralizing antibodies (V2 apex bnAbs). Both vaccines consist of a modified mRNA encapsulated in lipid nanoparticles (LNP) that when translated in cells produces HIV-1 Env gp150 transmembrane trimers. The trial will enroll adult volunteers without HIV and in overall good health.

Key facts

Study ID

NCT07390474

Run by

National Institute of Allergy and Infectious Diseases (NIAID)

People needed

40

Starts

2026-03-25

Expected to finish

2027-12-14

Last updated by the study team

2026-08-06

Who can join

Age: 18 and older, up to 55. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Demonstrates an understanding of the study and is able and willing to complete the informed consent process.
• At least 18 years old at screening and up to 55 years old on day of enrollment.
• Available for clinic follow-up through the last clinic visit.
• Willing to undergo study procedures as outlined in the schedule of procedures (Appendix A).
• Agrees not to enroll in another study of an investigational agent during participation in the trial. If a potential participant is already enrolled in another clinical trial, approvals from the other trial sponsor and the HVTN 322 PSRT are required prior to enrollment into HVTN 322.
• In good general health according to the clinical judgment of the site investigator.
• Physical examination and laboratory results without clinically significant findings that would interfere with assessment of safety or reactogenicity in the clinical judgment of the site investigator.
• Agrees to discuss their potential for HIV acquisition and agrees to HIV prevention counseling.
• Hemoglobin (Hgb):
• 11.0 g/dL for women
• 13.0 g/dL for men
• White blood cell (WBC) count of 2,500 to 12,000/mm3. WBC over 12,000/mm3 is not exclusionary if further evaluation shows general good health and if PSRT approval is granted.
• Platelet count of 125,000 to 550,000/mm3.
• Alanine aminotransferase (ALT) <2.5× the upper limit of institutional reference range.
• Serum creatinine ≤1.1× the upper limit of normal (ULN) based on the institutional normal range.
• Total measured serum calcium level >8.5 mg/dL.
• Systolic blood pressure of 90 to <140 mm Hg and diastolic blood pressure of 50 to <90 mm Hg at screening visit. The average blood pressure between the screening visit and the enrollment visit must be below 140 mm Hg systolic and 90 mmHg diastolic. A single measurement of ≥160 mm Hg systolic or ≥100 mm Hg diastolic during the current study evaluation is exclusionary.
• HIV test results by one of the following options:
• Negative US Food and Drug Administration (FDA)-approved enzyme immunoassay (EIA) or chemiluminescent microparticle immunoassay (CMIA) or
• Negative results on two different brands of HIV rapid tests (one of which must be FDA-approved)
• Negative for anti-Hepatitis C virus (HCV) Abs or negative HCV nucleic acid test (NAT) if anti-HCV Abs are detected.
• Negative for Hepatitis B surface antigen (Ag).
• For women of pregnancy potential:
• Must agree to use effective means of contraception from at least 21 days prior to enrollment through 8 weeks after their last scheduled vaccination timepoint (see Appendix D).
• Must have a negative beta human chorionic gonadotropin (β-HCG) pregnancy test (urine or serum) on day of enrollment.

You may not qualify if…

• Women who are breastfeeding or pregnant.
• Body mass index (BMI) ≥40. Enrollment of individuals with BMI ≥40 who are in good health, as assessed by the site investigator, may be considered by PSRT approval.
• Diabetes mellitus (DM). Type 2 DM controlled with diet alone (and confirmed by HgbA1c ≤8% within the last 6 months) or a history of isolated gestational diabetes are not exclusionary. Enrollment of individuals with type 2 DM that is well controlled on hypoglycemic agent(s) may be considered by the PSRT on a case-by-case basis, provided that the HgbA1c is ≤8% within the last 6 months (sites may draw these at screening).
• Previous or current recipient of an investigational HIV vaccine (previous placebo/control recipients are not excluded).
• Receipt of non-HIV investigational vaccine(s) received within the last 1 year. Exceptions include vaccines that have subsequently undergone licensure or Emergency Use Authorization (EUA) by the FDA or World Health Organization (WHO) Emergency Use Listing (EUL), or if outside the US, by the national Regulatory Authority (RA) authorizing this clinical trial.
• Congenital or acquired immunodeficiency, including systemic medication use likely to impair immune response to vaccine in the opinion of the site investigator, such as glucocorticoid use or prednisone dose of ≥10 mg/day, within 3 months prior to enrollment.
• Blood products or immunoglobulin within 16 weeks prior to enrollment; receipt of immunoglobulin within 16 weeks prior to enrollment requires PSRT approval.
• Receipt of any of the following within 4 weeks prior to enrollment:
• Live replicating vaccine
• Any mRNA-based vaccine with FDA licensure, FDA EUA, or WHO EUL
• ACAM2000 vaccine >28 days prior with a vaccination scab still present
• Receipt of any vaccine that is not covered in exclusion criterion #8 within 14 days prior to enrollment. Please note this includes replication-incompetent vaccines such as the Jynneos vaccine for the prevention of mpox (formerly known as monkeypox) disease.
• History of myocarditis and/or pericarditis.
• Initiation of Ag-based immunotherapy for allergies within the past year (stable immunotherapy is not exclusionary); inclusion of participants who initiated immunotherapy within the previous year requires PSRT approval.
• Receipt of investigational research agents with a half-life of 7 or fewer days within 4 weeks prior to enrollment. (Receipt of an investigational research agent with a half-life of 7 or fewer days more than 4 weeks prior to enrollment is not exclusionary.) If a potential participant has received investigational agents with a half-life of more than 7 days (or unknown half-life) within the past year, PSRT approval is required for enrollment.
• History of serious reaction (eg, hypersensitivity, anaphylaxis) to any mRNA vaccine, including Comirnaty (Pfizer) and Spikevax (Moderna), or to any drug administered systemically as a polyethylene glycol containing LNP, including doxorubicin (Doxil, Caelyx, ThermoDox), cisplatin (Lipoplatin), and irinotecan (Onivyde).
• Hereditary angioedema, acquired angioedema, or idiopathic forms of angioedema.
• Urticarial episode (idiopathic or known etiology) within the past year.
• History of chronic urticaria.
• History of urticaria previously associated with immunization.
• Bleeding disorder diagnosed by a clinician that would make study procedures a contraindication.
• History of seizure(s) within the past 3 years. Also exclude if volunteer has used medications in order to prevent or treat seizure(s) at any time within the past 3 years.
• Asplenia or functional asplenia.
• Active duty and reserve US military personnel.
• Any other chronic or clinically significant condition that, in the clinical judgment of the investigator, would jeopardize the safety or rights of the study participant, including but not limited to clinically significant forms of substance use or alcohol use disorder(s), serious psychiatric disorders, any suicide attempt within the past year (if between 1 and 2 years, consult PSRT for approval), or cancer that, in the clinical judgment of the site investigator, has potential for recurrence (excluding basal cell carcinoma).

Where it is running

• The Ponce de Leon Center CRS (Site ID 5802) — Atlanta, Georgia, United States (enrolling)
• The Hope Clinic of the Emory Vaccine Research Center; Emory University — Decatur, Georgia, United States (enrolling)
• Beth Israel Deaconess Medical Center VCRS (BIDMC VCRS Site # 32077) — Boston, Massachusetts, United States (enrolling)
• Columbia P&S CRS (Site ID: 30329) — New York, New York, United States (enrolling)
• University of Rochester Vaccines to Prevent HIV Infection CRS (Site ID 31467) — Rochester, New York, United States (enrolling)
• Penn Prevention CRS (Site ID 30310) — Philadelphia, Pennsylvania, United States (enrolling)
• University of Pittsburgh CRS — Pittsburgh, Pennsylvania, United States (enrolling)

Full record on ClinicalTrials.gov

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