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Doxycycline Hyclate Delayed-Release 200 mg for Chlamydia

Phase 4
Waitlist Available
Led By Anne Luetkemeyer, MD
Research Sponsored by University of California, San Francisco
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Condomless anal or oral sexual contact with ≥ 1 male sex-at-birth partners in the past 12 months
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up 1 year
Awards & highlights

Study Summary

This trial is testing whether taking an antibiotic called doxycycline immediately after sex can reduce the risk of STIs.

Eligible Conditions
  • Chlamydia
  • Syphilis
  • Gonorrhea

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
Select...
You had unprotected oral or anal sex with a male in the last year.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~1 year
This trial's timeline: 3 weeks for screening, Varies for treatment, and 1 year for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Incidence of GC, CT or syphilis

Trial Design

2Treatment groups
Experimental Treatment
Active Control
Group I: Doxy PEPExperimental Treatment1 Intervention
Doxycycline 200mg in addition to standard of care STI testing and treatment
Group II: ControlActive Control1 Intervention
The control arm will consist of standard of care STI testing and treatment

Find a Location

Who is running the clinical trial?

San Francisco Department of Public HealthOTHER_GOV
35 Previous Clinical Trials
33,714 Total Patients Enrolled
University of California, San FranciscoLead Sponsor
2,491 Previous Clinical Trials
11,929,943 Total Patients Enrolled
University of WashingtonOTHER
1,724 Previous Clinical Trials
1,820,750 Total Patients Enrolled

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

Are researchers currently looking for volunteers to join the trial?

"As per clinicaltrials.gov, this particular medical study is not enrolling patients at present time; the original posting date was November 26th 2019 and it was last revised on May 23rd 2022. However, there are 861 other research studies that currently require patient recruitment."

Answered by AI

Has the FDA given assent to Doxycycline Hyclate Delayed-Release 200 mg?

"The safety of Doxycycline Hyclate Delayed-Release 200 mg is rated a 3 by Power, which reflects the approval status granted to this therapeutic agent after Phase 4 trials."

Answered by AI

How many participants is this clinical trial accepting at the present time?

"At present, no further cohorts are being recruited for this investigation. The trial commenced on November 26th 2019 and concluded on May 23rd 2022. If you're looking to join other studies, 822 clinical trials related to gonorrhea are now inviting patients; 39 research projects that employ Doxycycline Hyclate Delayed-Release 200 mg as a treatment option currently have open recruitment slots."

Answered by AI

In what medical scenarios is Doxycycline Hyclate Delayed-Release 200 mg typically prescribed?

"Doxycycline Hyclate Delayed-Release 200 mg is usually prescribed for severe acne, yet it can also play a part in managing conditions such as trachoma, disease and klebsiella infections."

Answered by AI

Has Doxycycline Hyclate Delayed-Release 200 mg been trialed before in a medical setting?

"Doxycycline Hyclate Delayed-Release 200 mg was initially tested in 2010 at Uganda Ministry of Health: selected Arua and Nebbi district health centres. Since then, 159 such studies have been completed with 39 more currently underway - many of them based out of Seattle, Washington."

Answered by AI
Recent research and studies
~119 spots leftby Mar 2025