Clinical Trial Evaluating the Efficacy and Safety of ZL-2306 (Niraparib) in Ovarian Cancer Patient
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ClinicalTrials.gov Identifier: NCT03705156 |
Recruitment Status :
Active, not recruiting
First Posted : October 15, 2018
Last Update Posted : October 15, 2021
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Condition or disease | Intervention/treatment | Phase |
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Platinum-sensitive Relapsed Ovarian Cancer | Drug: ZL-2306(nirapairb) Drug: Placebos | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 265 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | A Randomized, Double-Blind, Placebo-Controlled, Multi-Center, Phase III Clinical Trial Evaluating the Efficacy and Safety of ZL-2306 (Niraparib) for Maintenance Treatment in Patients With Platinum-sensitive Relapsed Ovarian Cancer, Fallopian Tube Carcinoma or Primary Peritoneal Cancer (Collectively Referred to as Ovarian Cancer) |
Actual Study Start Date : | June 8, 2017 |
Actual Primary Completion Date : | February 1, 2020 |
Estimated Study Completion Date : | August 24, 2024 |

Arm | Intervention/treatment |
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Experimental: ZL-2306
The starting dose is 300 mg or 200 mg based on patient's body weight.
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Drug: ZL-2306(nirapairb)
The starting dose is 300 mg or 200 mg based on patient's body weight. |
Placebo Comparator: Placebo
The starting dose is the matched dose of placebo (3 capsules or 2 capsules).
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Drug: Placebos
The starting dose is the matched dose of placebo (3 capsules or 2 capsules). |
- Progression-free survival (PFS) [ Time Frame: 35 months ]It is defined as the time from randomization to progressive disease or death due to various causes, whichever occurs first. Progressive disease will be determined by the Independent Central Imaging Review according to standard RECIST 1.1.
- Chemotherapy-free interval (CFI) [ Time Frame: 35 months ]It refers to the time from the last platinum-containing treatment to the start of the next anti-cancer treatment (excluding maintenance treatment);
- Time to first subsequent anti-cancer treatment (TFST) [ Time Frame: 35 months ]It refers to the time from the date of randomization in the study to the date when the first subsequent anti-tumor treatment starts.
- Overall survival (OS) [ Time Frame: 35 months ]It refers to the time from the date of randomization to death for any cause.

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | Female |
Gender Based Eligibility: | Yes |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Aged 18 years or older female.
- High-grade serous or dominantly high-grade serous ovarian cancer
- The subject shall have received two lines of platinum-containing chemotherapy, complete response [CR] or partial response [PR] after first-line platinum-containing chemotherapy, and after received at least 4 cycles of platinum-containing (must be carboplatin or cisplatin or nedaplatin) in second-line platinum-containing chemotherapy.
- Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
Exclusion Criteria:
- Patients who have undergone ascites drainage with the last two cycles of the last chemotherapy regimen prior to enrollment.
- Symptomatic brain metastases or leptomeningeal metastases that have not been controlled.
- Patients who have been diagnosed previously or currently with myelodysplastic syndrome (MDS) or acute myeloid leukemia (AML).

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03705156

Responsible Party: | Zai Lab (Shanghai) Co., Ltd. |
ClinicalTrials.gov Identifier: | NCT03705156 |
Other Study ID Numbers: |
ZL-2306-001 |
First Posted: | October 15, 2018 Key Record Dates |
Last Update Posted: | October 15, 2021 |
Last Verified: | October 2021 |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Ovarian Neoplasms Carcinoma, Ovarian Epithelial Hypersensitivity Endocrine Gland Neoplasms Neoplasms by Site Neoplasms Ovarian Diseases Adnexal Diseases |
Genital Neoplasms, Female Urogenital Neoplasms Endocrine System Diseases Gonadal Disorders Carcinoma Neoplasms, Glandular and Epithelial Neoplasms by Histologic Type Immune System Diseases |