CDC-9 Inactivated Rotavirus Vaccine (IRV) Intramuscular (IM) Phase 1 Clinical Trial in Healthy Adults

Completed · Phase 1 · Has a placebo group

Conditions studied: Rotavirus Infections

In brief

This is a study of CDC-9 inactivated rotavirus vaccine (IRV) for intramuscular administration (IM) in healthy adults aged 18 to 45 years at two dose levels in a 3-dose series. The purpose is to determine if it is safe and if the recipient's immune system responds to the vaccine.

Key facts

Study ID: NCT06485258
Run by: Centers for Disease Control and Prevention
People needed: 50
Starts: 2024-08-06
Expected to finish: 2026-02-04
Last updated by the study team: 2026-05-26

Who can join

Age: 18 and older, up to 45. Sex: any. Healthy volunteers: accepted.

You may qualify if…

Provides written informed consent prior to any study procedures being performed.
Be able to understand and agrees to comply with planned study procedures and be available for all study visits.
Subject is between the ages of 18 - 45 years, inclusive, on the day of signing informed consent.
Agrees to collection of venous blood per protocol.
Body Mass Index 18.0 - 35.9 kg/m² at the time of screening.
Subject is in good health as determined by vital signs, medical history, and targeted physical examination, and the judgment of the investigator.
Clinical screening laboratory evaluations (White blood cell (WBCs), hemoglobin (Hgb), platelets (plts), absolute neutrophil count (ANC), alanine transaminase (ALT), aspartate transaminase (AST), Alkaline Phosphatase (ALP), Total Bilirubin (T. Bili), and creatinine (Cr) are within acceptable normal reference ranges.
Women of childbearing potential¹ must agree to use or have practiced true abstinence² or use at least one acceptable primary form of contraception.³,⁴
Note: These criteria are applicable to females in a heterosexual relationship and child-bearing potential (i.e., the criteria do not apply to subjects in a same sex relationship).¹Not of childbearing potential - post-menopausal females (defined as having a history of amenorrhea for at least one year) or a documented status as being surgically sterile (hysterectomy, bilateral oophorectomy, tubal ligation/salpingectomy, or Essure® placement). ²True abstinence is 100% of time no sexual intercourse (male's penis enters the female's vagina). ³Acceptable forms of primary contraception include monogamous relationship with a vasectomized partner who has been vasectomized for 180 days or more prior to the subject's first vaccination, intrauterine devices, birth control pills, and injectable/implantable/insertable hormonal birth control products. ⁴Must use at least one acceptable primary form of contraception for at least 30 days prior to the first vaccination and at least one acceptable primary form of contraception for 60 days after the last vaccination.
Women of childbearing potential must have a negative urine or serum pregnancy test within 24 hours prior to each vaccination.
Male subjects of childbearing potential⁵: use of condoms to ensure effective contraception with a female partner of childbearing potential from first vaccination until 60 days after the last vaccination.
⁵Biological males who are post-pubertal and considered fertile until permanently sterile by bilateral orchiectomy or vasectomy.
Male subjects agree to refrain from sperm donation from the time of first vaccination until 60 days after the last vaccination.
Oral temperature is less than or equal to 100.4°F (38.0°C).
Pulse no greater than 100 beats per minute.
Systolic BP is 85 to 145 mmHg, inclusive.
Must agree to have samples stored for secondary research.
The subject must agree to refrain from donating blood or plasma during the study.

You may not qualify if…

Subject has an acute illness with fever (temperature >100.4 °F) within 72 hours prior to enrollment or >3 looser-than-normal stools or any vomiting within 7 days prior to enrollment.
Positive pregnancy test either at screening or just prior to each vaccine administration.
Female subject who is breastfeeding or plans to breastfeed from the time of the first vaccination through 60 days after the last vaccination.
Has any medical disease or condition that, in the opinion of the site PI or appropriate sub-investigator, precludes study participation.⁶
⁶Including acute, subacute, intermittent, or chronic medical disease or condition that would place the subject at an unacceptable risk of injury, render the subject unable to meet the requirements of the protocol, or may interfere with the evaluation of responses or the subject's successful completion of this trial. Chronic medical conditions which are stable, with no escalation in medication doses or new medications administered in the preceding 3 months, will not be considered exclusionary.
Presence of self-reported or medically documented significant medical or psychiatric condition(s) as determined by the investigator.
Has a positive test result for hepatitis B surface antigen, hepatitis C virus antibody, or HIV types 1 or 2 antibodies at screening.
Currently enrolled in or plans to participate in another clinical trial with an investigational agent⁷ that will be received during the study-reporting period.
⁷Including licensed or unlicensed vaccine, drug, biologic, device, blood product, or medication.
Has a history of hypersensitivity or severe allergic reaction (e.g., anaphylaxis, generalized urticaria, angioedema, other significant reaction) to any vaccine component or any previous licensed or unlicensed vaccines.
Chronic use (more than 14 continuous days) of any medications that may be associated with impaired immune responsiveness.⁸
⁸Including, but not limited to, systemic corticosteroids exceeding 10 mg/day of prednisone equivalent, allergy injections, immunoglobulin, interferon, immunomodulators, cytotoxic drugs, or other similar or toxic drugs during the preceding 6-month period prior to vaccine administration (Day 1). The use of low dose topical, ophthalmic, inhaled, and intranasal steroid preparations will be permitted.
Received immunoglobulins and/or any blood or blood products within the 6 months before the study.
Has a history of alcohol abuse or other recreational drug (excluding cannabis) use within 6 months before the first vaccine administration.
Received or plans to receive a licensed, live vaccine within 4 weeks before the first dose until 4 weeks after the last study vaccination.
Received or plans to receive a licensed, inactivated vaccine within 2 weeks before the first dose until 4 weeks after the last study vaccination.
Subject has previously received a rotavirus vaccine or has had a diagnosis of rotavirus disease within the past 10 years.
Subject has a prior clinically significant history of or active/ongoing gastrointestinal disease including hospitalization for gastroenteritis or prior diagnosis of intussusception.
Subject has a history of an open lesion (e.g., laceration, abrasion), scar, tattoo, or rash in the areas of the planned vaccination site, which will interfere with the assessment of reactogenicity.

Where it is running

Emory Children's Center - Vaccine Research Clinic — Atlanta, Georgia, United States

Full record on ClinicalTrials.gov

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