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New drug combo shows promise for Tough-to-Treat lymphomas

NCT ID NCT03259503

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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jul 31, 2026 · Updated 3 times

Summary

This phase 1 trial tested the safety and best dose of olaparib when added to high-dose chemotherapy for 50 patients with lymphomas that returned or didn't respond to treatment. All patients were scheduled for a stem cell transplant. The goal was to see if the combination could work better than chemotherapy alone, but the main focus was on side effects and dosing.

What this could mean

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

Active substance
Olaparib (a PARP inhibitor) combined with high-dose chemotherapy (busulfan, gemcitabine, melphalan) and sometimes rituximab
What this could lead to
If successful, this combination could offer a new treatment option for patients with hard-to-treat lymphomas who are undergoing a stem cell transplant.
What could go wrong
This is an early phase 1 trial with only 50 participants, so the main goal was safety and dosing, not effectiveness. The added drugs may increase side effects, and it's unclear if the combination works better than standard care.

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

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

50 people

The number who actually took part.

Started

Sep 2019

Finished

Nov 2025

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 to 65 years

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: 1. Age 18-65 2. Patients with: 2.1 Diffuse large B-cell lymphoma (DLBCL) with one of the following: 2.1.1 Primary refractory (no CR to 1st line) 2.1.2 High-risk relapse, defined as any of the following: CR1 \<6 mo, secondary IPI \>1, or LDH \> 225 U/L. 2.1.3 Refractory relapse: No response to \>/= 1 salvage line and not eligible to receive other novel salvage therapies, such as CAR-T in a timely fashion or have already failed these. 2.2 Hodgkin's with one of the following: 2.2.1 Primary refractory (no CR or PD within 3 months) 2.2.2 High-risk relapse, defined as any of the following: CR1 \<1 year, extranodal relapse, or B symptoms. 2.2.3 Refractory relapse: No response to \>/= 1 salvage line 2.3 T-non Hodgkin's lymphoma (T-NHL) with one of the following: 2.3.1 Primary refractory (no CR to 1st line) 2.3.2 High-risk relapse (within 6 months) 2.3.3 Refractory relapse to \>/= 1 line of salvage 2.3.4 Any other lymphoma that is refractory or relapsed and that does not qualify for autologous transplant protocols of higher priority. 3. Adequate renal function (creatinine clearance estimated using the Cockcroft-Gault equation of \>/= 51 mL/min: Estimated creatinine clearance = (140-age \[years\]) x weight (kg) (xF)a / serum creatinine (mg/dL) x 72 \[a where F=0.85 for females and F=1 for males.\] 4. Adequate hepatic function (Aspartate aminotransferase (AST) (Serum Glutamic Oxaloacetic Transaminase (SGOT)) / Alanine aminotransferase (ALT) (Serum Glutamic Pyruvate Transaminase (SGPT)) \</= 3.5 x institutional upper limit of normal unless liver metastases or a systemic inflammatory picture secondary to the lymphoma are present in which case they must be \</= 6x ULN; total bilirubin \</= 2.5 x ULN or \</= 3.5 x ULN if Gilbert's disease) 5. Prothrombin time (PT) \</=1.5 x institutional upper limit of normal 6. Adequate pulmonary function (FEV1, FVC and DLCOc \>/= 50% of predicted) 7. Adequate cardiac function (LVEF \>/= 40%, no uncontrolled arrhythmias or symptomatic cardiac disease 8. ECOG performance status \<2 9. Provision of informed consent prior to any study specific procedures 10. Patients must have a life expectancy \>/= 16 weeks 11. Postmenopausal or evidence of non-childbearing status for women of childbearing potential: negative urine or serum pregnancy test within 28 days and within 72 hours of study treatment and confirmed prior to receiving treatment on this study. Patients with positive results will be removed from the study. Postmenopausal is defined as one of the following: 11.1 Amenorrheic for 1 year or more following cessation of exogenous hormonal treatments. 11.2 Luteinizing hormone (LH) and Follicle stimulating hormone (FSH) levels in the postmenopausal range for women under 50. 11.3 Radiation-induced oophorectomy with last menses \>1 year ago. 11.4 Chemotherapy-induced menopause with \>1 year interval since last menses. 11.5 Surgical sterilization (bilateral oophorectomy or hysterectomy). 11.6 Female patients must agree to use a highly effective birth control method while on study and for at least 6 months after the last dose of study drug(s). 12. Male patients and their partners, who are sexually active and of childbearing potential, must agree to the use of two highly effective forms of contraception in combination, throughout the period of taking study treatment and for 6 months after last dose of study drug(s) to prevent pregnancy in a partner. 13. Patient is willing and able to comply with the protocol for the duration of the study including undergoing treatment and scheduled visits and examinations. 14. Prior apheresis of \>/= 3 million CD34+ cells/Kg. Eligibility for ASCT is determined by the above inclusion criteria 3-7. Exclusion Criteria: 1. Persistent toxicities (\>Common Terminology Criteria for Adverse Event (CTCAE) grade 2) caused by previous cancer therapy, excluding alopecia. 2. Prior whole brain irradiation 3. Active hepatitis B, either active carrier (HBsAg +) or viremic (HBV DNA \>/= 10,000 copies/mL, or \>/= 2,000 IU/mL) 4. Evidence of either cirrhosis or stage 3-4 liver fibrosis in patients with chronic hepatitis C or positive hepatitis C serology 5. Active infection requiring parenteral antibiotics 6. Patients who are known to be serologically positive for human immunodeficiency virus (HIV). 7. Patients receiving any systemic chemotherapy or radiotherapy (except for palliative reasons) within 3 weeks prior to study treatment 8. Pregnancy 9. Other malignancy within the last 5 years except: adequately treated non-melanoma skin cancer, curatively treated in situ cancer of the cervix, ductal carcinoma in situ (DCIS), Stage 1, grade 1 endometrial carcinoma, or other solid tumors. 10. Resting ECG with QTcF \> 470 msec on 2 or more time points within a 24 hour period or family history of long QT syndrome. 11. Concomitant use of known strong CYP3A inhibitors (eg. itraconazole, telithromycin, clarithromycin, protease inhibitors boosted with ritonavir or cobicistat, indinavir, saquinavir, nelfinavir, boceprevir, telaprevir) or moderate CYP3A inhibitors (eg. ciprofloxacin, erythromycin, diltiazem, fluconazole, verapamil). The required washout period prior to starting olaparib is 2 weeks. 12. Concomitant use of known strong (eg. phenobarbital, enzalutamide, phenytoin, rifampicin, rifabutin, rifapentine, carbamazepine, nevirapine and St John's Wort ) or moderate CYP3A inducers (eg. bosentan, efavirenz, modafinil). The required washout period prior to starting olaparib is 5 weeks for enzalutamide or phenobarbital and 3 weeks for other agents. 13. Patients with myelodysplastic syndrome/acute myeloid leukaemia or with features suggestive of MDS/AML. 14. Patients with symptomatic uncontrolled brain metastases. A scan to confirm the absence of brain metastases is not required. The patient can receive a stable dose of corticosteroids before and during the study as long as these were started at least 4 weeks prior to treatment. Patients with spinal cord compression unless considered to have received definitive treatment for this and evidence of clinically stable disease for 28 days. 15. Major surgery within 2 weeks of starting study treatment and patients must have recovered from any effects of any major surgery. 16. Uncontrolled non-malignant systemic disease or active, uncontrolled infection. Examples include, but are not limited to, uncontrolled ventricular arrhythmia, recent (within 3 months) myocardial infarction, uncontrolled major seizure disorder, unstable spinal cord compression, superior vena cava syndrome, extensive interstitial bilateral lung disease on High Resolution Computed Tomography (HRCT) scan or any psychiatric disorder that prohibits obtaining informed consent. 17. Patients unable to swallow orally administered medication and patients with gastrointestinal disorders likely to interfere with absorption of the study medication. 18. Breast feeding women. 19. Patients with a known hypersensitivity to olaparib or any of the excipients of the product. 20. Medical, psychiatric, cognitive or other conditions that compromise the patient's ability to understand the patient information, to give informed consent, to comply with the study protocol or to complete the study.

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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.