Clinical trials: Doxycycline
Contraceptives, Oral
A Study of Continuous Oral Contraceptives and Doxycycline
The purpose of this study is to learn if the study drug, doxycycline, can decrease the amount of unplanned vaginal bleeding that women commonly experience when taking combined oral contraception (COC)- pills with estrogen and…
- Trial name
- NCT00480532
- Testing
- Lybrel, Doxycycline, Oracea
- Where
- 2 sites in United States
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Phototoxicity
Phototoxicity of Frequently Prescribed Medicines
This pilot trial aims to study 10 selected commonly prescribed medicines with different grade of phototoxic potential. As there is no currently established way to assess phototoxic potential in a systematic and quantitative way…
- Trial name
- Phototox (NCT06710600)
- Testing
- Single oral dose of selected medicines, respectively, UVA and UVB radiation
- Where
- Austria
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Breast Carcinoma, Endometrial Clear Cell Adenocarcinoma
Metformin Hydrochloride and Doxycycline in Treating Patients With Localized Breast or Uterine Cancer
This phase II trial studies how well metformin hydrochloride works together with doxycycline in treating patients with localized breast or uterine cancer.
- Conditions
- Breast Carcinoma, Endometrial Clear Cell Adenocarcinoma, Endometrial Serous Adenocarcinoma, Uterine Corpus Cancer
- Trial name
- NCT02874430
- Testing
- Metformin Hydrochloride, Doxycycline
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Ras-wildtype Colorectal Cancer
Comparison of Two Preemptive Treatment Strategies of Panitumumab Mediated Skin Toxicity and Assessment of QoL in Patient With Ras-wt Colorectal Cancer
80 - 90 % of the patients treated with anti-EGFR antibodies (panitumumab or cetuximab) experience skin toxicity, mostly acne like skin rash.
- Trial name
- NCT01668498
- Testing
- Erythromycin, Doxycycline
- Where
- Germany
- Volunteers
- 88 people
- Sponsor
- AIO-Studien-gGmbH
Periodontitis, Adult
To Evaluate the Effects of Systemic Probiotics & Antibiotics and Local Application of Antibiotics As an Adjuvant to NSPT
Background: Periodontitis is defined as "an inflammatory disease of the supporting tissues of the teeth caused by specific microorganisms or groups of specific microorganisms, resulting in progressive destruction of the…
- Trial name
- NCT06570863
- Testing
- Antibiotics(doxycycline), Probiotics, Metronidazole gel 25%
- Where
- Pakistan
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Dr fizza khalid
Polycystic Ovarian Syndrome (PCOS), Irregular Menstrual Cycles
Effect of a Commonly Used Antibiotic, Doxycycline, in Women With Polycystic Ovarian Syndrome
The purpose of this study is to study the effect of a commonly used antibiotic, doxycycline, on the production of ovarian hormones and menstrual cycles in women with Polycystic Ovarian Syndrome (PCOS).
- Conditions
- Polycystic Ovarian Syndrome (PCOS), Irregular Menstrual Cycles, Androgen Excess
- Trial name
- MI-PCOS (NCT01788215)
- Testing
- doxycycline, Sugar Pill
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Aneurysms, Arteriovenous Malformations
Tetracycline-Derivatives for Treatment of Cerebral Arteriovenous Malformations and Aneurysms
The purpose of this pilot study is to investigate the use of minocycline and doxycycline as medical therapy for inoperable or partially treated arteriovenous malformations (AVMs) and giant aneurysms.
- Trial name
- NCT00243893
- Testing
- minocycline, doxycycline
- Where
- United States
- Volunteers
- 26 people
- Sponsor
- University of California, San Francisco
Optic Disc Swelling
Antiacne Medications Pseudotumor Cerebri
The exact incidence of optic disc swelling and idiopathic intracranial hypertension in patients using antiacne medication is not known so far.
- Trial name
- AAMPTC (NCT02149615)
- Testing
- Retinal nerve fibre layer measurement
- Where
- Switzerland
- Volunteers
- 310 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Acute Infection
Short-Term Use of Antibiotics and Adherence Level
Objectives: To evaluate the impact of educational intervention on antibiotic short-term adherence . Methods: A prospective randomized controlled study was conducted in a tertiary hospital in Jordan.
- Trial name
- NCT05293977
- Testing
- Routine care by the dispensing pharmacist, Pharmaceutical education/counseling about prescribed antibiotic
- Where
- Jordan
- Volunteers
- 589 people
- Sponsor
- Jordan University of Science and Technology
STIs Prevention
Impact of the Daily Doxycycline Pre-exposure Prophylaxis (PrEP) on the Incidence of Syphilis, Gonorrhoea and Chlamydia
1. This study is a non-randomized observational cohort trial using before and after comparison to evaluate intervention 2. It would mimic the conditions that would occur outside a clinical trial. 2.
- Trial name
- Syphilaxis (NCT03709459)
- Testing
- Doxycycline
- Where
- 4 sites in Australia
- Volunteers
- 100 people
- Sponsor
- Kirby Institute
Acne Vulgaris
Comparing Sarecycline and Doxycycline Effects on the Skin and Gut Bacteria in Acne.
This study is being done to help better understand how the gut and skin bacteria of the body change when people with acne are treated with Sarecycline or Doxycycline.
- Trial name
- NCT07544251
- Testing
- Sarecycline, Doxycycline
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Integrative Skin Science and Research
Bacterial Infection Due to Helicobacter Pylori (H. Pylori)
High Dose Dual Therapy (HDDT) for Eradication of Helicobacter Pylori Infection
The investigators will performed a large-scale multi center trial to compare the efficacy of a high-dose dual therapy (HDDT) with that of standard therapies in treatment-naive (n = 300) patients with Hp infection.
- Trial name
- HDDT (NCT02553083)
- Testing
- Nexium 40 mg, amoxicillin 1.5 gr, doxycycline 200 mg
- Where
- Israel
- Volunteers
- 300 people
- Sponsor
- Rabin Medical Center
Sexually Transmitted Infection (STI) Prevention, Antibiotic Prophylaxis
STI Prophylaxis and Emergence of Antimicrobial Resistance
The goal of this observational study is to understand the risk of antibiotic resistance and changes in the human microbiome (bacteria that live inside and on us), if people use antibiotics to prevent sexually transmitted…
- Conditions
- Sexually Transmitted Infection (STI) Prevention, Antibiotic Prophylaxis, Antibiotic Resistance, Bacterial, Microbiome
- Trial name
- SPEAR (NCT06778083)
- Where
- United Kingdom
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- University College, London
Non Small Cell Lung Cancer (NSCLC)
Study Of Dacomitinib (PF-00299804) In Advanced NSCLC Patients (Post Chemo Or Select First Line) To Evaluate Prophylactic Intervention On Derm And GI AEs And PRO
To assess the impact of prophylactic treatment on the incidence of adverse events in advanced NSCLC patients (post chemotherapy) treated with dacomitinib daily as a single agent.
- Trial name
- ARCHER 1042 (NCT01465802)
- Testing
- Dacomitinib, Doxycycline, Probiotic
- Where
- 81 sites in United States, South Korea
- Volunteers
- 236 people
- Sponsor
- Pfizer
Mansonella Perstans Infection, Buruli Ulcer
Concomitant Infections of Mansonella Perstans in Tuberculosis and Buruli Ulcer Disease Patients From Ghana
This study will determine the influence of doxycycline treatment against Wolbachia/M. perstans on immunity against concomitant mycobacterial infections in healthy M. perstans infected individuals.
- Conditions
- Mansonella Perstans Infection, Buruli Ulcer, Tuberculosis, Co-infection
- Trial name
- Map2Co (NCT02281643)
- Testing
- Doxycycline
- Where
- Ghana
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Kwame Nkrumah University of Science and Technology
Malaria
Artemisinin Resistance in Bangladesh
A randomized, controlled clinical trial conducted in Southeastern Bangladesh using artesunate monotherapy to determine the baseline sensitivity of P. falciparum to artemisinins.
- Trial name
- NCT00639873
- Testing
- Artesunate, quinine-doxycycline
- Where
- Bangladesh
- Volunteers
- 126 people
- Sponsor
- Medical University of Vienna
Nasal Polyps, Chronic Rhinosinusitis With Nasal Polyps
Role of Doxycycline in Chronic Rhinosinusitis With Nasal Polyps
To evaluate the efficacy of Doxycycline as an adjunct to systemic steroids in the treatment of chronic rhinosinusitis with nasal polyps
- Trial name
- NCT05157412
- Testing
- Doxycycline 100 mg Oral Tablet, Prednisolone 20 mg
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Assiut University
Acne Vulgaris
Comedone Extraction and Oral Doxycycline In The First Line Treatment of Moderate Acne Vulgaris
The objective of the study was to evaluate the effectiveness of comedone extraction compared to oral antibiotics as the main therapy of moderate acne vulgaris (MAV); and to determine the expression of HIF-1 alpha by examining the…
- Trial name
- NCT04206631
- Testing
- Doxycycline Capsule, Comedone extraction
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Universitas Indonesia
COVID-19
Safety and Efficacy of Doxycycline and Rivaroxaban in COVID-19
This is an exploratory study to evaluate the efficacy of Doxycycline (200mg on D1 to D7) and Rivaroxaban (15 mg daily on D1 to D7) versus the combination of Hydroxychloroquine (400 mg on D1 to D7) and Azithromycin (500 mg on D1…
- Trial name
- DOXYCOV (NCT04715295)
- Testing
- Doxycycline Tablets, Rivaroxaban 15Mg Tab, Hydroxychloroquine and Azithromycin
- Where
- Cameroon
- Volunteers
- 200 people
- Sponsor
- Yaounde Central Hospital
Chronic Pelvic Pain Syndrome, Bladder Pain Syndrome
Chronic Bladder Pain Syndrome in Women: Can Doxycycline Help? A Prospective Study
Chronic bladder pain syndrome is a chronic disabling disorder characterized by chronic pelvic pain, pressure or discomfort perceived to be related to the urinary bladder accompanied by at least one other urinary symptom such as…
- Trial name
- NCT01879930
- Testing
- doxycycline
- Where
- Switzerland
- Volunteers
- 5 people
- Sponsor
- Insel Gruppe AG, University Hospital Bern