Probucol in Parkinson Disease: ACTRN12626000740392 Clinical Landscape Report 2026
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This Clinical Landscape Report was built with PatSnap Life Sciences MCP workflows. Clinical Trials MCP supplies protocol and result records, Drug & Asset MCP adds asset context, and Company & Deal Intelligence MCP resolves sponsor background. Use the same structured MCP building blocks in your research workflow.
Data snapshot: 18 September 2026. This strategic research report is not medical, regulatory or investment advice. Trial status and dates can change.
Phase 2
Clinical phase
Not yet recruiting
Recruitment status
140
Planned enrollment
Timing not reported
Primary-completion proxy
Executive view
ACTRN12626000740392 evaluates Probucol in Parkinson Disease. The disclosed sponsor is Curtin University, the design is Interventional, and the geographic footprint is Australia. The first listed primary endpoint is not reported, assessed over an unreported time frame.
The key landscape question is whether this protocol can generate a clinically interpretable signal relative to nearby programs. Phase alone is not a measure of evidence quality. Endpoint relevance, comparator choice, masking, enrollment feasibility, patient selection, country coverage and follow-up must be considered together.
PatSnap MCP Servers make this assessment reproducible by keeping protocol facts, result evidence, asset attributes and sponsor identity in separate structured calls.
How the MCP evidence stack was assembled
Clinical Trials MCP clinical_trial_fetch retrieved the design, outcomes, phase, status, enrollment, sponsor, countries and timing for ACTRN12626000740392 and selected peers. clinical_trial_result_fetch supplied detailed result records from the wider Parkinson Disease landscape. Drug & Asset MCP drug_fetch was queried for Probucol, while Company & Deal Intelligence MCP organization_fetch was queried for Curtin University.
This separation reduces a common diligence error: treating a registry label, a company description or a result excerpt as if each represented the complete evidence package. Explore the source workflow at the PatSnap MCP marketplace.
Trial landscape table
| Trial | Asset / intervention | Phase / status | Sponsor | Geography | Primary endpoint | Readout proxy |
|---|---|---|---|---|---|---|
| ACTRN12626000740392 | Probucol | Phase 2 / Not yet recruiting | Curtin University | Australia | Timing not reported | |
| NCT07685444 | LY-N001(Lingyi (Hangzhou) Biotechnology) | Early Phase 1 / Not yet recruiting | Lingyi (Hangzhou) Biotechnology Co., Ltd. | China | Incidence of dose-limiting toxicity (DLT) events occurring within at least 28 days following a single intracranial admi… Within 28 days post-administration | 2028-07-07 |
| ACTRN12626000769381 | Levodopa hydrate | Phase 1 / Not yet recruiting | University of Edith Cowan | Australia | Timing not reported | |
| NCT07647913 | Levodopa hydrate | Not Applicable / Not yet recruiting | McMaster University | Canada | Changes in mean inter-tap intervals following Levodopa withdrawal during rhythmic tapping tasks. Between experimental sessions one and two, which will take place appr… | 2027-09-30 |
| NCT07640542 | [11C]MODAG 005 | Early Phase 1 / Not yet recruiting | MODAG GmbH | Germany | Safety and Tolerability Inclusion to 4 days (± 2 days) post injection. | 2027-07-01 |
The table aligns endpoints, sponsors, phases, geographies and readout proxies. It is descriptive, not a head-to-head efficacy comparison. Differences in population, baseline risk, intervention schedule and follow-up can dominate apparent cross-trial differences.
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Protocol design and endpoint interpretation
ACTRN12626000740392 is a Phase 2, not yet recruiting study with 140 planned participants. Allocation is Randomised controlled trial, masking is Blinded (masking used), and the intervention model is not reported.
The primary endpoint is “not reported” over “not reported.” The retrieved endpoint description is: To evaluate the preliminary efficacy of 250 mg b.d. Lorelco™ on motor symptom progression as measured by change in the Movement Disorder Society - Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part III in Parkinson’s patients over a 78-week treatment period [Change from baseline to 78 weeks in the Movement Disorder Society - Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part III motor examination score, assessed in the OFF-medication state. The 'OFF-medication state' refers to the period when a participant has withheld their regular Parkinson's disease medications (such as levodopa or dopamine agon….
Interpretation should test whether the endpoint captures a clinically meaningful change, whether its time horizon matches the proposed biology, and whether treatment discontinuation or missing data can bias the estimate. The planned enrollment of 140 should be assessed against expected effect size, event frequency, multiplicity, subgroup plans and attrition.
No named control drug was returned in the protocol field set. A placebo comparator can strengthen internal efficacy assessment, while an active comparator may better test clinical differentiation. Single-arm and open-label programs require greater weight on objective outcomes, independent assessment and external benchmarks.
Indexed readouts in the surrounding landscape
5 recent result records were selected as contextual evidence for Parkinson Disease. These records do not establish direct evidence for ACTRN12626000740392 unless the registration number matches.
Psilocybin Therapy for Depression and Anxiety in Parkinson's Disease: a Pilot Study
Phase 2; n=12; 7 days following first drug dose(Mean) = 56.455 Total score (Standard Deviation, 19.154) Source: https://clinicaltrials.gov/ct2/show/results/NCT04932434
A Randomized, Double-blind, Placebo-controlled Trial of Allogeneic Bone Marrow-derived Mesenchymal Stem Cells as a Disease-modifying Therapy for Idiopathic Parkinson's Disease
Phase 2; n=45; Bayesian Mean Estimate of the Proportion of Participants Achieving a ≥5-point Improvement on MDS-UPDRS Part III From Screening to Week 62, Compared Between Each Active MSC Dose Arm and Placebo(Mean) = 94.4 percentage of participants (95% Confidence Interval, 74.7 - 99.7); Bayesian Mean Estimate of the Proportion of Participants Achieving a ≥5-point Improvement on MDS-UPDRS Part III From Screening to Week 62, Compare… Source: https://clinicaltrials.gov/ct2/show/results/NCT04506073
Effect of Midodrine vs Abdominal Compression on Cardiovascular Risk Markers in Autonomic Failure Patients
Early Phase 1; n=31; Augmentation Index(Mean) = 30 Percentage (Standard Deviation, 25); Augmentation Index(Mean) = -20 Percentage (Standard Deviation, 7) Source: https://clinicaltrials.gov/ct2/show/results/NCT04620382
Result fields should be reconciled with the source record before quantitative comparison. Population definitions, analysis sets, dose cohorts, estimands, confidence intervals, rescue therapy and follow-up can materially change the meaning of a numerical endpoint. Clinical Trials MCP supports repeatable refreshes as result records change.
Asset and sponsor context
Probucol is indexed as Small molecule drug with target not reported biology and a global stage of Approved. The asset profile lists Dow Chemical Co. Ltd. as an originator or developer.
Curtin University is indexed in Australia with the website http://www.curtin.edu.au. Curtin University is a public university based in Perth, Western Australia. The record lists 4 development-stage drug assets.
For execution diligence, monitor sponsor ownership, collaborator additions, site expansion, protocol amendments and enrollment revisions. A change in ownership or geography can alter operational confidence as well as the commercial meaning of a future readout.
Development white space
- Endpoint white space. Determine whether a more patient-relevant outcome, longer durability window or blinded central assessment would resolve uncertainty left by the current endpoint.
- Population white space. Test biomarker-defined, treatment-line or risk-stratified subgroups where effect size and unmet need could be clearer.
- Comparator white space. Identify whether the study can support differentiation against the current standard of care rather than only activity against baseline or placebo.
- Geographic white space. Assess whether the disclosed footprint supports recruitment, regulatory transferability and commercial generalizability.
- Sequencing white space. Clarify whether Probucol is intended for monotherapy, combination, maintenance, rescue or an earlier treatment line.
White space should be framed as an unanswered development question, not merely an unoccupied mechanism label. A credible program closes a measurable clinical uncertainty with a design that can be executed and interpreted.
Strategic implications and next readouts
For sponsors, the endpoint hierarchy, safety window, enrollment pace and protocol amendment history should all support the same target product profile. Advancement criteria should be set before the readout and tied to clinical effect, uncertainty, tolerability and operational feasibility.
For business-development teams, differentiation may come from a sharper population, stronger comparator, more durable benefit, simpler delivery or clearer sequencing role. For investors, the central risk is evidence quality relative to time and capital, not the phase label in isolation.
Track recruitment status, enrollment changes, primary-completion timing, endpoint revisions, new result records, sponsor ownership and collaborator changes. Re-run the PatSnap MCP workflow when a surrogate becomes a clinical outcome, a single-country study expands, the comparator changes or a new result materially shifts the competitive benchmark.
Source trail and bottom line
Anchor trial: ACTRN12626000740392
Protocol source: https://anzctr.org.au/ACTRN12626000740392.aspx
MCP sources: Clinical Trials MCP (clinical_trial_fetch and clinical_trial_result_fetch); Drug & Asset MCP (drug_fetch); Company & Deal Intelligence MCP (organization_fetch).
Data snapshot: 18 September 2026.
Probucol in Parkinson Disease is best understood through the interaction of protocol design, surrounding readouts, asset context and sponsor execution. The current record makes the primary endpoint and Timing not reported the leading decision points.
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