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Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immune and Hormone Response to Influenza Vaccine

ClinicalTrials.gov ID: NCT01978262

Public ClinicalTrials.gov record NCT01978262. 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 6, 2026, 2:41 PM 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 Pilot Study of the Immune Response to Influenza Vaccination and Effect on Reproductive Hormones

Brief summary

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

The purpose of this pilot research project is to look at the effect of the inactivated influenza vaccine (seasonal flu shot) on early signs of immune or germ-fighting response known as cytokines or signal molecules. The investigators also want to see if the timing of vaccine administration has any effect on women's reproductive hormones. The investigators hypothesis is that influenza vaccine given right before ovulation may change the hormone levels usually seen after ovulation. Thi

Study identification

NCT ID
NCT01978262
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Enrollment
103 participants

Conditions and interventions

Conditions

Interventions

Biological

Eligibility (public fields only)

Age range
18 Years to 39 Years
Sex
Female
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 30, 2013
Primary completion
Jul 31, 2017
Completion
Jul 31, 2017
Last update posted
Dec 26, 2018

2013 – 2017

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Center for Immunization Research; Johns Hopkins Bloomberg School of Public Health Baltimore Maryland 21205

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 NCT01978262, 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, 2018 · Synced Sep 6, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01978262 live on ClinicalTrials.gov.

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