Treatment
Doxycyclin clinical trials
We’re tracking 37 recruiting studies that include Doxycyclin, each written for real people, not researchers, below.
Recruiting studies
- NCT05061732RecruitingPhase 4
Treatment and follow-up study for Helicobacter pylori infection
This trial studies how to eradicate Helicobacter pylori (a germ in the stomach) and monitor follow-up results after treatment. You may be a candidate if you have confirmed infection and have not taken certain stomach medicines or antibiotics recently.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06809829Recruiting
Doxycycline gel sponge for front tooth implants
This trial tests whether a special sponge containing doxycycline (a type of antibiotic) placed around a new implant in the front of the mouth helps it heal better. It's for people who need a single tooth replaced in the upper front area.
Kafrelsheikh, KafrelsheikhAges 18–50 - NCT03462329Recruiting
Study of expectations after Lyme disease symptoms
This study enrolls people diagnosed with early Lyme disease (erythema migrans) to learn how people’s expectations about symptoms may affect what happens after treatment. Your experience and beliefs will be compared to see if they relate to post-Lyme symptoms.
LjubljanaAges 18 years+ - NCT03956446Recruiting
Testing blood antibody patterns in tick-borne brain and Lyme illness
This study looks at blood antibody test results in adults who may have tick-borne encephalitis and also signs of Lyme disease. It may help researchers understand how these infections relate and which lab patterns fit different illnesses.
LjubljanaAges 18 years+ - NCT04310930RecruitingPhase 2/Phase 3
Find the best treatment plan for a lung infection
This study looks for the best way to treat Mycobacterium abscessus (MABS), a difficult lung infection. You may join a treatment group, or first join an observation group and possibly move into treatment later if you meet the criteria.
Kogarah, New South WalesAges Any age - NCT04504123RecruitingPhase 2
Doxycycline eye treatment for persistent wet macular degeneration fluid
This trial tests whether an “MMP-9 inhibitor” medicine given as doxycycline (a tetracycline-type antibiotic) can reduce persistent leaking and fluid in wet age-related macular degeneration. It may help people whose wet AMD is not fully controlled even after several anti-VEGF injections.
Iowa City, IowaAges 50–99 - NCT05972772RecruitingPhase 2/Phase 3
Test study drugs to clear rickettsia infections
This study tests antibiotics to help your body clear rickettsia-related illnesses like murine typhus or scrub typhus. It may help reduce symptoms and shorten how long you feel sick, based on how well the infection clears.
Vientiane, VientaineAges 18 years+ - NCT06414408RecruitingEarly Phase 1
Doxy-PEP study for STI prevention
This trial studies whether giving the antibiotic doxycycline right after sex (known as Doxy-PEP) can prevent STIs. It asks participants to provide hair, blood, and urine samples and follow specific guidelines about hair and condom use.
San Francisco, CaliforniaAges 18 years+ - NCT06468462RecruitingPhase 4
Comparing STI prevention strategies for Kenyan men
This study tests two ways to prevent STIs in men who have sex with men in Kenya: taking antibiotics only when you have symptoms, or taking a single antibiotic pill (doxycycline) shortly after sex. It aims to find which approach works better for keeping you healthy.
KisumuAges 18–29 - NCT04297592Enrolling by invitationPhase 4
Antibiotics to prevent infection after hip or knee replacement
This trial studies whether giving antibiotics before and/or after surgery can lower the chance of a serious joint infection after elective hip or knee replacement. It’s aimed at people at higher risk for infection.
Iowa City, IowaAges 18–99 - NCT06778083Recruiting
Antibiotic to prevent STIs and its effect on resistance
This study looks at taking doxycycline to prevent sexually transmitted infections (STIs) in men who have sex with men. It focuses on how this approach might affect the body's resistance to antibiotics.
LondonAges 18 years+ - NCT07215325RecruitingPhase 4
Can doxycycline prevent STIs in men?
This trial tests if taking doxycycline after sex can lower the risk of getting sexually transmitted infections (STIs) in men who have sex with men and are at higher risk.
Atlanta, GeorgiaAges 18 years+ - NCT01631617RecruitingPhase 2
Atopic dermatitis treatments and how they affect skin
This Phase 2 study tests different treatments for atopic dermatitis (eczema) by looking at changes in skin health. It may help people find safer, more effective ways to control moderate to severe eczema and related skin infections.
Bethesda, MarylandAges 2–50
Common questions
- Are there clinical trials studying Doxycyclin?
- Yes. Clin2 currently lists 37 recruiting studies that include Doxycyclin, drawn from the U.S. registry and rewritten for real people so you can see what each is testing and who it's for.
- How do I know if I qualify for a Doxycyclin trial?
- Each study lists its own eligibility criteria — rules about condition, age, and prior treatments. On every Clin2 trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Is Doxycyclin an approved treatment?
- A drug being studied in a trial may be investigational (still being tested) or already approved and being studied for a new use. Each study page explains what phase it's in. Clin2 does not provide medical advice — talk with your doctor about whether Doxycyclin or a specific trial is right for you.
Related treatments
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. A drug appearing here is being studied in a trial and may be investigational. Talk with your doctor about whether a specific treatment or trial is right for you.