Pelvic Congestion SyndromeNCT07472504
Embolization of Ovarian Vein and Pelvic Venous Reservoir for Treatment of Secondary Pelvic Congestion Syndrome
A study testing embolization therapy in people with Pelvic Congestion Syndrome, run by Mark Magdy Zekry.
Trial summary
Transcatheter Embolization of Ovarian Vein and Pelvic Venous Reservoir for Treatment of Pelvic Congestion Syndrome Secondary to May-Thurner Syndrome. This study aims to prospectively evaluate the short-term clinical outcomes and the incidence of post-embolization stenting for residual symptoms. Read more about this study
- Who is it for?
- Ages 18 to 50 years, women only
- Conditions the study is for
- Pelvic Congestion Syndrome
- What is being tested?
- embolization therapy
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 100 participants
- Where
- No sites listed yet
- Study dates
- 1 Mar 2026to 1 Dec 2027
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 50 years
- Women only
- No healthy volunteers
- Adult
Who may be able to join
- • Adult females aged 18 -60 years.
- Clinical symptoms consistent with PCS >6 months refractory to conservative treatment(e.g., chronic pelvic pain (CPP) of at least 6 months duration, unresponsive to conventional pain management strategies and worsening with standing, dyspareunia, pelvic heaviness, presence of vulvar/perineal/thigh varices and ovarian point tenderness during examination in patients with history of post-coital pain).
- Symptom Correlation: Pelvic pain is deemed to be significantly attributable to the identified iliac venous compression after multidisciplinary assessment for exclusion of the other causes of chronic pelvic pain (e.g., gynaecologist, urologist, pain specialist).
- Imaging-confirmed non-thrombotic iliac venous outflow stenosis or occlusion with ovarian and/or pelvic venous reservoir reflux (e.g., cross-sectional area reduction on direct CT venography, MR venography or digital subtraction angiography)
- Informed Consent: Willingness and ability to provide written informed consent prior to study-specific procedures.
- Adherence to Follow-up: Willingness and ability to comply with scheduled follow-up visits and study procedures.
Who cannot join
- Primary Pelvic Congestion Syndrome (PCS) only: Patients with significant pelvic venous reflux (e.g., ovarian or internal iliac vein reflux) without demonstrable and significant iliac venous outflow obstruction (i.e., primary PCS without secondary component).
- Pelvic Congestion Syndrome secondary to Nutcracker syndrome.
- Acute Deep Vein Thrombosis (DVT) on the affected side or known uncontrolled hypercoagulable states.
- Contraindications to Anticoagulation: Known severe coagulopathy or absolute contraindications to the required antiplatelet and/or anticoagulant therapy post-stenting.
- Pregnancy.
- Severe Systemic Illness: Patients with severe, uncontrolled systemic diseases (e.g., severe renal failure, uncontrolled heart failure, uncontrolled hypertension, severe liver dysfunction) that would preclude safe participation in an invasive procedure or confound symptom assessment.
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- Active Infection: Any active systemic or localized infection, particularly at the access site.
- Malignancy: Known active malignancy, especially pelvic malignancy, which could be the primary cause of pelvic pain or venous compression.
- Other Dominant Causes of Pelvic Pain: Clear evidence of other treatable and dominant causes of chronic pelvic pain (e.g., severe endometriosis, adenomyosis, large uterine fibroids, severe interstitial cystitis, inflammatory bowel disease) that have not been adequately addressed or where these conditions are considered the primary source of pain.
- Known Allergy: Documented severe allergy to contrast media or any components of the embolizing materials that cannot be managed.
- Inability to Consent or Cooperate: Patients with cognitive impairment, psychological instability, or uncooperative behavior that would prevent informed consent or adherence to study procedures and follow-up.
About this study
Official title: Transcatheter Embolization of Ovarian Vein and Pelvic Venous Reservoir for Treatment of Pelvic Congestion Syndrome Secondary to May-Thurner Syndrome.
Transcatheter Embolization of Ovarian Vein and Pelvic Venous Reservoir for Treatment of Pelvic Congestion Syndrome Secondary to May-Thurner Syndrome.
This study aims to prospectively evaluate the short-term clinical outcomes and the incidence of post-embolization stenting for residual symptoms.
Read the detailed description
Pelvic congestion syndrome (PCS) is characterized by chronic non- cyclical pelvic pain lasting for more than six months. While ovarian vein reflux is a well-known cause, venous outflow obstruction such as left common iliac vein compression (May-thurner syndrome) has gained recognition as a significant cause for PCS (secondary PCS) This obstruction causes increased venous pressure in the pelvic plexus, leading to vein wall remodelling, valvular incompetence, and the formation of tortuous, refluxing pelvic veins. Patients may experience chronic, dull pelvic pain, worsened by standing, perineal heaviness, dyspareunia, urinary urgency, postcoital pain, and vulvar or superficial non-saphenous veins varicosities. Ovarian veins and pelvic venous reservoir embolization can be performed through mechanical occlusion by coils, plugs, or liquid sclerosing agents, which promote vessel sclerosis, resulting in permanent occlusion at points of pelvic venous reflux.
- Conditions
- Pelvic Congestion Syndrome
- Being tested
- embolization therapy
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
embolization therapyProcedure or surgery
Transcatheter Embolization of Ovarian Vein and Pelvic Venous Reservoir
| Study group | Role | What they receive |
|---|---|---|
| Adult Females with secondary pelvic congestion syndrome due to May thurner syndrome | Experimental | Not described Receives: Procedure: embolization therapy |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change in pelvic pain severity using VAS pain score as scale
The primary outcome measure is designed to assess the significant reduction in pelvic pain severity which is defined as a ≥ 50% reduction in the VAS pain score from baseline to post-procedure at 1, 3, 6, 9 and 12 months post-procedure. Alternatively, a patient-reported VAS score of ≤ 3 at the same intervals post-procedure may also be considered a successful outcome, representing mild or no pain
Improvement in Specific PCS Symptoms: Assessment of individual PCS symptoms (e.g., dyspareunia, dysmenorrhea, post-coital pain, pelvic heaviness, lower extremity pain/edema) using validated symptom scales such as Pelvic Venous Clinical Severity Score (PVCSS) (e.g., categorical improvement: complete resolution, significant improvement, mild improvement, no change, worsening
Measured: 12 months
The primary outcome measure is designed to assess the significant reduction in pelvic pain severity
The primary outcome measure is designed to assess the significant reduction in pelvic pain severity which is defined as a ≥ 50% reduction in the VAS pain score from baseline to post-procedure at 1, 3, 6, 9 and 12 months post-procedure. Alternatively, a patient-reported VAS score of ≤ 3 at the same intervals post-procedure may also be considered a successful outcome, representing mild or no pain.
Measured: 12 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted16 Mar 2026
- Study start1 Mar 2026 (estimated)
- Primary completion1 Nov 2027 (estimated)
- Study completion1 Dec 2027 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Pelvic Congestion SyndromeStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 100 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Mark Magdy Zekry
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor-investigator, Mark Magdy Zekry, Assiut University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07472504
- Sponsor's protocol ID
- Pelvic congestion Syndrome
- Status last verified
- Mar 2026
- First submitted
- 10 Mar 2026
- Last updated
- 16 Mar 2026
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Publications
1. Borghi C, Dell'Atti L. Pelvic congestion syndrome: the current state of the literature. Arch Gynecol Obstet. 2016;293(2):291-301. doi:10.1007/s00404-015-3895-7. 2. Bałabuszek K, Toborek M, Pietura R. Comprehensive overview of the venous disorder known as pelvic congestion syndrome. Ann Med. 2022;54(1):22-36. doi:10.1080/07853890.2021.2014556. 3. Ignacio EA, Dua R, Sarin S, et al. Pelvic congestion syndrome: diagnosis and treatment. Semin Intervent Radiol. 2008;25(4):361-368. doi:10.1055/s-0028-1102998. 4. O'Brien MT, Gillespie DL. Diagnosis and treatment of the pelvic congestion syndrome. J Vasc Surg Venous Lymphat Disord. 2015;3(1):96-106. doi:10.1016/j.jvsv.2014.05.007. 5. Lakhanpal G, Kennedy R, Lakhanpal S, Sulakvelidze L, Pappas PJ. Pelvic venous insufficiency secondary to iliac vein stenosis and ovarian vein reflux treated with iliac vein stenting alone. J Vasc Surg Venous Lymphat Disord. 2021;9(5):1193-1198. doi:10.1016/j.jvsv.2021.03.006 6. Gavrilov SG, Vasilyev AV, Krasavin GV, Moskalenko YP, Mishakina NY. Endovascular interventions in the treatment of pelvic congestion syndrome caused by May-Thurner syndrome. J Vasc Surg Venous Lymphat Disord. 2020;8(6):1049-1057. doi:10.1016/j.jvsv.2020.02.01 7. Daugherty SF. Nonthrombotic Venous Obstructions Cause Pelvic Congestion Syndrome. J Vasc Surg Venous Lymphat Disord. 2015;3(1):117-118. doi:10.1016/j.jvsv.2014.10.008
Study at a glance
From the registry record, last updated by the sponsor on 16 Mar 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Transcatheter Embolization of Ovarian Vein and Pelvic Venous Reservoir for Treatment of Pelvic Congestion Syndrome Secondary to May-Thurner Syndrome.
- ClinicalTrials.gov ID
- NCT07472504
- Acronym / sponsor ID
- Pelvic congestion Syndrome
- Conditions
- Pelvic Congestion Syndrome
- Study type
- Interventional
- Recruitment status
- Not yet recruiting
- Enrolment
- 100 participants (estimated)
- Lead sponsor
- Mark Magdy ZekryUniversity, hospital or other
- Study start
- 1 Mar 2026 (estimated)
- Primary completion
- 1 Nov 2027 (estimated)
- Study completion
- 1 Dec 2027 (estimated)
- First posted
- 16 Mar 2026 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Transcatheter Embolization of Ovarian Vein and Pelvic Venous Reservoir for Treatment of Pelvic Congestion Syndrome Secondary to May-Thurner Syndrome.
This study aims to prospectively evaluate the short-term clinical outcomes and the incidence of post-embolization stenting for residual symptoms.
Detailed description
Pelvic congestion syndrome (PCS) is characterized by chronic non- cyclical pelvic pain lasting for more than six months. While ovarian vein reflux is a well-known cause, venous outflow obstruction such as left common iliac vein compression (May-thurner syndrome) has gained recognition as a significant cause for PCS (secondary PCS) This obstruction causes increased venous pressure in the pelvic plexus, leading to vein wall remodelling, valvular incompetence, and the formation of tortuous, refluxing pelvic veins. Patients may experience chronic, dull pelvic pain, worsened by standing, perineal heaviness, dyspareunia, urinary urgency, postcoital pain, and vulvar or superficial non-saphenous veins varicosities. Ovarian veins and pelvic venous reservoir embolization can be performed through mechanical occlusion by coils, plugs, or liquid sclerosing agents, which promote vessel sclerosis, resulting in permanent occlusion at points of pelvic venous reflux.
Study design
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Adult Females with secondary pelvic congestion syndrome due to May thurner syndrome | Experimental | Procedure: embolization therapy |
Who may qualify
- Ages
- 18 to 50 years
- Sex
- Female only
- Healthy volunteers
- Not accepted
- Age groups
- Adult
Key inclusion criteria (6 listed)
- • Adult females aged 18 -60 years.
Key exclusion criteria (11 listed)
- Primary Pelvic Congestion Syndrome (PCS) only: Patients with significant pelvic venous reflux (e.g., ovarian or internal iliac vein reflux) without demonstrable and significant iliac venous outflow obstruction (i.e., primary PCS without secondary component).
- Pelvic Congestion Syndrome secondary to Nutcracker syndrome.
- Acute Deep Vein Thrombosis (DVT) on the affected side or known uncontrolled hypercoagulable states.
- Contraindications to Anticoagulation: Known severe coagulopathy or absolute contraindications to the required antiplatelet and/or anticoagulant therapy post-stenting.
- Pregnancy.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| embolization therapyTranscatheter Embolization of Ovarian Vein and Pelvic Venous Reservoir | Procedure or surgery | Adult Females with secondary pelvic congestion syndrome due to May thurner syndrome |
Primary outcome
Change in pelvic pain severity using VAS pain score as scale
Time frame: 12 months
The primary outcome measure is designed to assess the significant reduction in pelvic pain severity which is defined as a ≥ 50% reduction in the VAS pain score from baseline to post-procedure at 1, 3, 6, 9 and 12 months post-procedure. Alternatively, a patient-reported VAS score of ≤ 3 at the same intervals post-procedure may also be considered a successful outcome, representing mild or no pain Improvement in Specific PCS Symptoms: Assessment of individual PCS symptoms (e.g., dyspareunia, dysmenorrhea, post-coital pain, pelvic heaviness, lower extremity pain/edema) using validated symptom scales such as Pelvic Venous Clinical Severity Score (PVCSS) (e.g., categorical improvement: complete resolution, significant improvement, mild improvement, no change, worsening
The primary outcome measure is designed to assess the significant reduction in pelvic pain severity
Time frame: 12 months
The primary outcome measure is designed to assess the significant reduction in pelvic pain severity which is defined as a ≥ 50% reduction in the VAS pain score from baseline to post-procedure at 1, 3, 6, 9 and 12 months post-procedure. Alternatively, a patient-reported VAS score of ≤ 3 at the same intervals post-procedure may also be considered a successful outcome, representing mild or no pain.
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 16 Mar 2026.
- Background1. Borghi C, Dell'Atti L. Pelvic congestion syndrome: the current state of the literature. Arch Gynecol Obstet. 2016;293(2):291-301. doi:10.1007/s00404-015-3895-7. 2. Bałabuszek K, Toborek M, Pietura R. Comprehensive overview of the venous disorder known as pelvic congestion syndrome. Ann Med. 2022;54(1):22-36. doi:10.1080/07853890.2021.2014556. 3. Ignacio EA, Dua R, Sarin S, et al. Pelvic congestion syndrome: diagnosis and treatment. Semin Intervent Radiol. 2008;25(4):361-368. doi:10.1055/s-0028-1102998. 4. O'Brien MT, Gillespie DL. Diagnosis and treatment of the pelvic congestion syndrome. J Vasc Surg Venous Lymphat Disord. 2015;3(1):96-106. doi:10.1016/j.jvsv.2014.05.007. 5. Lakhanpal G, Kennedy R, Lakhanpal S, Sulakvelidze L, Pappas PJ. Pelvic venous insufficiency secondary to iliac vein stenosis and ovarian vein reflux treated with iliac vein stenting alone. J Vasc Surg Venous Lymphat Disord. 2021;9(5):1193-1198. doi:10.1016/j.jvsv.2021.03.006 6. Gavrilov SG, Vasilyev AV, Krasavin GV, Moskalenko YP, Mishakina NY. Endovascular interventions in the treatment of pelvic congestion syndrome caused by May-Thurner syndrome. J Vasc Surg Venous Lymphat Disord. 2020;8(6):1049-1057. doi:10.1016/j.jvsv.2020.02.01 7. Daugherty SF. Nonthrombotic Venous Obstructions Cause Pelvic Congestion Syndrome. J Vasc Surg Venous Lymphat Disord. 2015;3(1):117-118. doi:10.1016/j.jvsv.2014.10.008
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
The record lists no contact. Use the official record to reach the sponsor.
Questions about this trial
What is this clinical trial studying?
A study testing embolization therapy in people with Pelvic Congestion Syndrome, run by Mark Magdy Zekry.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 6 inclusion and 11 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: opening soon, as of the sponsor's last update on 16 Mar 2026. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Change in pelvic pain severity using VAS pain score as scale (time frame: 12 months). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT07472504, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 16 Mar 2026.