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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.
Clinical phase
Recruitment status
Planned enrollment
Primary-completion proxy
NCT07645651 evaluates Samuraciclib hydrochloride in Advanced Pancreatic Ductal Adenocarcinoma. The disclosed sponsor is University of Washington, the design is Interventional, and the geographic footprint is United States. The first listed primary endpoint is Change in ribonucleic acid polymerase II serine levels, assessed over Within 72 hours post versus pre-samuraciclib treatment.
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.
Clinical Trials MCP clinical_trial_fetch retrieved the design, outcomes, phase, status, enrollment, sponsor, countries and timing for NCT07645651 and selected peers. clinical_trial_result_fetch supplied detailed result records from the wider Advanced Pancreatic Ductal Adenocarcinoma landscape. Drug & Asset MCP drug_fetch was queried for Samuraciclib hydrochloride, while Company & Deal Intelligence MCP organization_fetch was queried for University of Washington.
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 | Asset / intervention | Phase / status | Sponsor | Geography | Primary endpoint | Readout proxy |
|---|---|---|---|---|---|---|
| NCT07645651 | Samuraciclib hydrochloride | Phase 1 / Recruiting | University of Washington | United States | Change in ribonucleic acid polymerase II serine levels Within 72 hours post versus pre-samuraciclib treatment | 2027-07-14 |
| NCT07699757 | Albumin-Bound Paclitaxel | Phase 1 / Not yet recruiting | Haisco Pharmaceutical Group Co., Ltd. | China | DLTs 21 days for NSCLC cohorts; 28 days for PDAC cohorts | 2029-04-01 |
| NCT07683221 | Ipilimumab | Phase 2 / Not yet recruiting | Shandong First Medical University Affiliated Tumor Hospital (Shandong Cancer Research Institute Shandong Tumor Hospital) | China | Progression-Free Survival (PFS) From initiation of study treatment until disease progression or death… | 2029-07-15 |
| NCT07649928 | ES502 | Early Phase 1 / Recruiting | Ruijin Hospital | China | To evaluate the safety and tolerability of ES502 in subjects with advanced solid tumors 2 years | 2028-12-01 |
| NCT07650357 | CLSP-5282 | Phase 1 / Not yet recruiting | Clasp Therapeutics, Inc. | United States | Part A Monotherapy Dose Escalation 28 days after infusion | 2029-05-01 |
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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NCT07645651 is a Phase 1, recruiting study with 15 planned participants. Allocation is N/A, masking is None (Open Label), and the intervention model is Single Group Assignment.
The primary endpoint is “Change in ribonucleic acid polymerase II serine levels” over “Within 72 hours post versus pre-samuraciclib treatment.” The retrieved endpoint description is: Will be assessed by pharmacodynamic changes in primary tumor cells. Pre and post measurements will be compared using a paired t-test at the 2-sided 5% level. Data will be transformed as necessary (e.g. using log-transformation)..
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 15 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.
5 recent result records were selected as contextual evidence for Advanced Pancreatic Ductal Adenocarcinoma. These records do not establish direct evidence for NCT07645651 unless the registration number matches.
Phase 2; n=32; ORR = 0.06 Proportion of participants (95% Confidence Interval, 0.00 - 0.27) Source: https://clinicaltrials.gov/ct2/show/results/NCT04820179
Phase 2; n=32; Proportion of Participants With an Overall Response = 0.35 proportion of participants (90% Confidence Interval, 0.20 - 0.52); Proportion of Participants With an Overall Response = 0 proportion of participants (90% Confidence Interval, 0 - 0.63) Source: https://clinicaltrials.gov/ct2/show/results/NCT03457948
Phase 2; n=12; Percentage of Participants With Objective Response Rate = 8.3 Percent of participants (95% Confidence Interval, 0.2 - 38.5) Source: https://clinicaltrials.gov/ct2/show/results/NCT05997056
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.
Samuraciclib hydrochloride is indexed as Small molecule drug with CDK7 biology and a global stage of Phase 2. The asset profile lists Emory University as an originator or developer.
University of Washington is indexed in United States with the website http://www.washington.edu. University of Washington is an educational institution that provides undergraduate, graduate, and research programs. The record lists 59 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.
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.
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.
Anchor trial: NCT07645651
Protocol source: https://clinicaltrials.gov/study/NCT07645651
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.
Samuraciclib hydrochloride in Advanced Pancreatic Ductal Adenocarcinoma is best understood through the interaction of protocol design, surrounding readouts, asset context and sponsor execution. The current record makes Change in ribonucleic acid polymerase II serine levels and 2027-07-14 the leading decision points.

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