Study of OXB-102 (AXO-Lenti-PD) in Patients With Bilateral, Idiopathic Parkinson's Disease (SUNRISE-PD)
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ClinicalTrials.gov Identifier: NCT03720418 |
Recruitment Status :
Terminated
(As a result of termination of development of OXB-102-01, it is no longer possible for Sio to either commence or to continue any related clinical trials.)
First Posted : October 25, 2018
Last Update Posted : May 3, 2022
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Condition or disease | Intervention/treatment | Phase |
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Parkinson Disease | Drug: OXB-102 Other: Imitation Surgical Procedure (ISP) | Phase 1 Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 6 participants |
Allocation: | Randomized |
Intervention Model: | Sequential Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Masking Description: | Study Part A open-label and Study Part B randomized, double-blind |
Primary Purpose: | Treatment |
Official Title: | A Phase I/II Safety and Dose Evaluation Study of OXB-102 (AXO-Lenti-PD) in Patients With Bilateral Idiopathic Parkinson's Disease (SUNRISE-PD) |
Actual Study Start Date : | October 17, 2018 |
Actual Primary Completion Date : | April 12, 2022 |
Actual Study Completion Date : | April 12, 2022 |

Arm | Intervention/treatment |
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Experimental: OXB-102 Dose Level 1
OXB-102 Dose Level 1 Single Administration (Part A: open-label)
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Drug: OXB-102
Neurosurgical delivery of OXB-102 (gene therapy) to the putamen
Other Name: AXO-Lenti-PD |
Experimental: OXB-102 Dose Level 2
OXB-102 Dose Level 2 Single Administration (Part A: open-label)
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Drug: OXB-102
Neurosurgical delivery of OXB-102 (gene therapy) to the putamen
Other Name: AXO-Lenti-PD |
Experimental: OXB-102 Dose Level 3
OXB-102 Dose Level 3 Single Administration (Part A: open-label)
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Drug: OXB-102
Neurosurgical delivery of OXB-102 (gene therapy) to the putamen
Other Name: AXO-Lenti-PD |
Experimental: OXB-102 Selected Dose
Selected Dose of OXB-102 Single Administration (Part B: double-blind)
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Drug: OXB-102
Neurosurgical delivery of OXB-102 (gene therapy) to the putamen
Other Name: AXO-Lenti-PD |
Sham Comparator: Imitation Surgical Procedure
General anesthesia with bilateral skin incisions (Part B: double-blind)
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Other: Imitation Surgical Procedure (ISP)
Participants randomized to the control group in Part B will receive an ISP |
- Safety of OXB-102 as measured by incidence of treatment emergent adverse events and serious adverse events [ Time Frame: 3 months timepoint ]Treatment emergent adverse events and serious adverse events will be assessed by National Cancer Institute Common Terminology Criteria for Adverse Events (CTCAE), version 4.0, for severity
- Safety of OXB-102 as measured by changes in clinical laboratory analysis [ Time Frame: 3 months timepoint ]Number of clinically significant changes in clinical laboratory analysis
- Safety of OXB-102 as measured by changes in vital signs [ Time Frame: 3 months timepoint ]Number of clinically significant changes in vital signs
- Safety of OXB-102 as measured by changes in brain MRI findings [ Time Frame: 3 months timepoint ]Number of clinically significant changes in brain MRI findings
- Safety of OXB-102 as measured by changes in physical examination [ Time Frame: 3 months timepoint ]Number of clinically significant changes in physical examination
- Change in Unified Parkinson's Disease Rating Scale (UPDRS) scores defined in "OFF" and "ON" medication states [ Time Frame: Baseline to 6 months ]
- Change in "OFF" time during waking day compared to baseline as assessed by participant diaries [ Time Frame: Baseline to 6 months ]
- Change in dyskinesia rating scale score [ Time Frame: Baseline to 6 months ]

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: | 30 Years to 70 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Key Inclusion Criteria:
- Diagnosed with bilateral idiopathic PD
- Males/females between 30 and 70 years at the time of surgery
- Unified Parkinson's Disease Rating Scale (UPDRS) (Part III) score of between 30 and 60 in the "OFF" medication state
- Presence of motor fluctuations and/or dyskinetic movement
- Candidate for surgical intervention
- Hoehn and Yahr (H&Y) Stage 3 or 4 in the "OFF" medication state
- Stable dosing of PD medication, including L-DOPA, for four weeks prior to screening with Levodopa equivalent daily dose (LEDD) of at least 900 mg
Key Exclusion Criteria:
- History of psychosis or current treatment with dopamine blocking agents and prior regular exposure to antipsychotic agents
- History of stereotactic or other surgery for the treatment of PD, including Deep Brain Stimulation (DBS)
- Participation in a prior cell or gene transfer therapy study
- Contraindications to use of anaesthesia
- Current or anticipated treatment with anticoagulant therapy or the use of anticoagulation therapy that cannot be temporarily stopped around the time of surgery
- Diagnosis of multiple system atrophy
- Abnormal MRI findings such as mega cisterna, septum pellucidum, signs of severe cortical or subcortical atrophy, brain tumours, vascular diseases, trauma or arteriovenous malformations
- Presence of dementia

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): NCT03720418
France | |
Service de Neurochirurgie, Hôpital Henri Mondor | |
Créteil, France, 94010 | |
United Kingdom | |
University of Cambridge, Centre for Brain Repair | |
Cambridge, Cambridgeshire, United Kingdom, CB2 0PY, | |
The National Hospital for Neurology and Neurosurgery | |
London, United Kingdom, WC1N 3BG |
Study Director: | Erika De Boever, DDS, PhD | Sio Gene Therapies |
Responsible Party: | Sio Gene Therapies |
ClinicalTrials.gov Identifier: | NCT03720418 |
Other Study ID Numbers: |
OXB-102-01 |
First Posted: | October 25, 2018 Key Record Dates |
Last Update Posted: | May 3, 2022 |
Last Verified: | April 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Parkinson's disease Gene therapy OXB-102 AXO-Lenti-PD |
Parkinson Disease Parkinsonian Disorders Basal Ganglia Diseases Brain Diseases Central Nervous System Diseases |
Nervous System Diseases Movement Disorders Synucleinopathies Neurodegenerative Diseases |