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Could a bone drug help fight ovarian cancer?

NCT ID NCT05053750

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This pilot study tests whether adding zoledronic acid (a bone-strengthening drug) to standard chemotherapy and a targeted therapy can help women with ovarian cancer that no longer responds to platinum-based treatment. The study involves 14 participants and focuses on measuring immune cells in tumors. It is an early-phase trial, so the main goal is to see how the body responds, not yet to prove the treatment works.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
zoledronic acid (added to paclitaxel and bevacizumab)
What this could lead to
If it works, this could point toward a new combination therapy for hard-to-treat ovarian cancer that has stopped responding to platinum-based chemo.
What could go wrong
This is a very early, small pilot study with only 14 participants. It is designed mainly to measure immune cell counts, not to prove the treatment works. The added drug may cause side effects like bone pain or kidney issues.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Early phase 1

The earliest testing in people: a first look at safety, in a very small group.

Participants

14 people

The number who actually took part.

Started

Dec 2021

Expected to finish

Feb 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: Participants are eligible to be included in the study only if all the following criteria apply within 28 days of starting study treatment. be assessed 1. Ability to provide signed informed consent 2. Age ≥ 18 years at time of study entry 3. Willing and able to comply with the protocol for the duration of the study including undergoing treatment and scheduled visits and examinations including follow up 4. Histologically confirmed and documented platinum refractory\* or platinum resistant\*\* high grade epithelial ovarian cancer to include: adenocarcinoma NOS, clear cell adenocarcinoma, endometrioid adenocarcinoma, malignant Brenner's tumor, mixed epithelial carcinoma, serous adenocarcinoma, transitional cell carcinoma, and undifferentiated carcinoma. \* Platinum refractory is defined as progression during platinum-containing therapy or within 4 weeks of last dose. \*\* Platinum resistant is defined as relapse-free interval 1-6 months of a platinum-containing therapy 5. Prior Therapy: Unlimited prior systemic therapies are allowed. 6. ECOG performance status of 0-1 7. Life expectancy \> 12 weeks 8. Adequate normal organ and marrow function as defined below. 1. Hemoglobin ≥9.0 g/dL. 2. Absolute neutrophil count (ANC) \> 1500/mm3 . 3. Platelet count ≥100 x 109 /L 4. Serum bilirubin ≤1.5 x ULN. This will not apply to patients with confirmed Gilbert's syndrome (persistent or recurrent hyperbilirubinemia that is predominantly unconjugated in the absence of hemolysis or hepatic pathology), who will be allowed only in consultation with their physician. 5. AST (SGOT)/ALT (SGPT) ≤2.5 x ULN unless liver metastases are present, in which case it must be ≤5x ULN. 6. Measured creatinine clearance (CL) \>40 mL/min or Calculated creatinine CL\>40 mL/min by the Cockcroft-Gault formula (Cockcroft and Gault 1976) or by 24-hour urine collection for determination of creatinine clearance: Creatinine CL (mL/min) = Weight (kg) x (140 - Age) x 0.85 72 x serum creatinine (mg/dL) 9. Evidence of post-menopausal status or negative serum pregnancy test for female pre-menopausal patients. Women will be considered post-menopausal if they have been amenorrheic for 12 months without an alternative medical cause. The following age-specific requirements apply: 1. Women \<50 years of age would be considered post-menopausal if they have been amenorrheic for 12 months or more following cessation of exogenous hormonal treatments and if they have luteinizing hormone and follicle-stimulating hormone levels in the postmenopausal range for the institution or underwent surgical sterilization (bilateral oophorectomy or hysterectomy). 2. Women ≥50 years of age would be considered post-menopausal if they have been amenorrheic for 12 months or more following cessation of all exogenous hormonal treatments, had radiation-induced menopause with last menses \>1 year ago, had chemotherapy-induced menopause with last menses \>1 year ago, or underwent surgical sterilization (bilateral oophorectomy, bilateral salpingectomy or hysterectomy). Exclusion Criteria: Participants are excluded from the study if any of the following criteria apply within 28 days of starting study treatment. 1. Nonepithelial tumors including carcinosarcomas. Mucinous ovarian cancers. Ovarian tumors with low malignant potential or low-grade epithelial tumors. 2. Patients who have received anti-VEGF targeted therapy (alone or in combination with chemotherapy or other biological agents) for recurrent disease and have progressed on that therapy or within 6 months of discontinuation of that therapy. Prior bevacizumab in the upfront setting is permitted. 3. History of other clinically active malignancy within 5 years of enrollment, except for tumors with a negligible risk for metastasis or death, such as adequately controlled basal-cell carcinoma or squamous-cell carcinoma of the skin or carcinoma in situ of the cervix or breast, or early stage endometrial cancer (stage IA/B, Grade 1 or 2, endometrioid histology). 4. Patients with known or suspected conditions likely to increase gastrointestinal toxicity, such as, inflammatory bowel disease, bowel obstruction, history of bowel obstruction or overt bowel involvement by tumor. 5. History of bowel obstruction, including sub-occlusive disease, related to the underlying disease and history of abdominal fistula, gastrointestinal perforation or intra-abdominal abscess. Evidence of recto-sigmoid involvement by pelvic examination or bowel involvement on CT scan or clinical symptoms of bowel obstruction. 6. Patients who are pregnant or lactating. 7. Radiation, chemotherapy, or immunotherapy or any other anticancer therapy ≤2 weeks prior to cycle 1 day 1. 8. Major surgery (including open biopsy, surgical resection, wound revision, or any other major surgery involving entry into a body cavity) or significant traumatic injury within four weeks before Day 1. 9. Unstable cardiovascular function: * ECG abnormalities requiring treatment, or * congestive heart failure (CHF) of NYHA Class ≥3, or * myocardial infarction (MI) within 3 months. 10. Uncontrolled infection requiring parenteral antibiotics, antivirals, or antifungals within one week prior to first dose; patients with controlled infection or on prophylactic antibiotics are permitted in the study. 11. Known active hepatitis A, B, or C infection; or known to be positive for HCV RNA or HBsAg (HBV surface antigen); Known to be HIV seropositive 12. Any underlying condition that would significantly interfere with the absorption of an oral medication. 13. Grade \>2 peripheral neuropathy at baseline (within 14 days prior to cycle 1 day 1). 14. Patients with urine dipstick for proteinuria \>2+. Patients with ≥2+ proteinuria on baseline dipstick analysis should undergo a 24-hour urine collection and must demonstrate ≤1 g of protein in the 24-hour urine. Alternatively, proteinuria testing can be performed according to local standards. 15. Serious psychiatric or medical conditions that could interfere with treatment; 16. Participation in an investigational anti-cancer study within 3 weeks prior to Cycle 1 Day 1 17. Concurrent therapy with approved or investigational anticancer therapeutic other than steroids. 18. Patients with coagulation problems and active bleeding within 4 weeks prior to C1D1 (peptic ulcer, epistaxis, spontaneous bleeding) 19. Patients with symptomatic brain lesions 20. For women who are not postmenopausal (\<12 months of non therapy-induced amenorrhea, with no identified cause other than menopause) and have not undergone surgical sterilization (removal of ovaries and/or uterus): agreement to remain abstinent (refrain from heterosexual intercourse) or use two adequate non hormonal methods of contraception, including at least one method with a failure rate of \<1% per year, during the treatment period and for at least 4 months after the last dose of study drug

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • M D Anderson Cancer Center

    Houston, Texas, 77030, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.