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NCT05382936

Study of the PI3K Inhibitor SL-901 in Patients With Advanced Solid Tumors

Terminated Phase 1 Results posted Last updated 9 January 2025
What this trial tests

Phase 1 trial testing SL-901 in Advanced Solid Tumor in 20 participants. Terminated before completion.

Timeline
19 March 2021
Primary endpoint
5 May 2023
5 May 2023

Quick facts

Lead sponsorStemline Therapeutics, Inc.
PhasePhase 1
StatusTerminated
Study typeINTERVENTIONAL
Allocationnon randomized
Designparallel
Maskingnone
Primary purposetreatment
Enrollment20
Start date19 March 2021
Primary completion5 May 2023
Estimated completion5 May 2023
Sites2 locations across United Kingdom

Drugs / interventions tested

Conditions studied

Sponsor

Stemline Therapeutics, Inc. — full company profile →

Who can join

18 and older, any sex, with Advanced Solid Tumor. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

To Identify the MTD, Appropriate Dosing Regimen, PK Profile, and Perform Initial Assessment of the Safety Profile of SL-901 Primary · Approximately 2 years

* Safety endpoints include identification of DLTs; rate of TEAEs and SAEs; identification of abnormalities in physical examination, vital signs, clinical laboratory evaluations, and ECG findings. * PK endpoints include assessment of SL-901 plasma concentration over time; assessment of any changes in the PK properties of SL-901 between initial administration and steady-state and between cycles of treatment; explore the correlation between PK parameters and toxicity.

Any TEAE
GroupValue95% CI
Cohort 1: SL-901 20 mg3
Cohort 2: SL-901 40 mg7
Cohort 3: SL-901 60 mg4
Cohort 4: SL-901 80 mg5
Any SAE
GroupValue95% CI
Cohort 1: SL-901 20 mg1
Cohort 2: SL-901 40 mg3
Cohort 3: SL-901 60 mg6
Cohort 4: SL-901 80 mg0
Assess Preliminary Clinical Activity of SL-901 - Best Overall Response Secondary · Approximately 2 years

Clinical activity endpoints include the rate of objective response, rate of CR, DOR, PFS, and OS.

Best Overall Response - Missing
GroupValue95% CI
Cohort 1: SL-901 20 mg0
Cohort 2: SL-901 40 mg1
Cohort 3: SL-901 60 mg1
Cohort 4: SL-901 80 mg0
Best Overall Response - Stable Disease
GroupValue95% CI
Cohort 1: SL-901 20 mg0
Cohort 2: SL-901 40 mg2
Cohort 3: SL-901 60 mg1
Cohort 4: SL-901 80 mg2
Best Overall Response - Progressive Disease
GroupValue95% CI
Cohort 1: SL-901 20 mg3
Cohort 2: SL-901 40 mg4
Cohort 3: SL-901 60 mg1
Cohort 4: SL-901 80 mg4
Best Overall Response - Not Evaluable
GroupValue95% CI
Cohort 1: SL-901 20 mg0
Cohort 2: SL-901 40 mg0
Cohort 3: SL-901 60 mg1
Cohort 4: SL-901 80 mg0
Assess Preliminary Clinical Activity of SL-901 - PFS Secondary · Approximately 2 years

Progression-free Survival - Investigator's Assessment

Subjects with event
GroupValue95% CI
Cohort 1: SL-901 20 mg3
Cohort 2: SL-901 40 mg7
Cohort 3: SL-901 60 mg2
Cohort 4: SL-901 80 mg5
Progressive Disease
GroupValue95% CI
Cohort 1: SL-901 20 mg3
Cohort 2: SL-901 40 mg6
Cohort 3: SL-901 60 mg2
Cohort 4: SL-901 80 mg5
Death
GroupValue95% CI
Cohort 1: SL-901 20 mg0
Cohort 2: SL-901 40 mg1
Cohort 3: SL-901 60 mg2
Cohort 4: SL-901 80 mg2
Censored subjects
GroupValue95% CI
Cohort 1: SL-901 20 mg0
Cohort 2: SL-901 40 mg0
Cohort 3: SL-901 60 mg2
Cohort 4: SL-901 80 mg1
No progressive disease and no death
GroupValue95% CI
Cohort 1: SL-901 20 mg0
Cohort 2: SL-901 40 mg0
Cohort 3: SL-901 60 mg1
Cohort 4: SL-901 80 mg1
No post-baseline and no death
GroupValue95% CI
Cohort 1: SL-901 20 mg0
Cohort 2: SL-901 40 mg0
Cohort 3: SL-901 60 mg1
Cohort 4: SL-901 80 mg0

Adverse events — posted to ClinicalTrials.gov

Time frame: All serious and non-SAEs recorded in the study's clinical database from the day of first exposure to SL-901 through 30 days after the last dose of SL-901 (approximately 2 years).. Reporting threshold: 5%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Cohort 1: SL-901 20 mg
Serious: 1/3 (33%)
Deaths: 0/3
Cohort 2: SL-901 40 mg
Serious: 3/7 (43%)
Deaths: 1/7
Cohort 3: SL-901 60 mg
Serious: 3/4 (75%)
Deaths: 2/4
Cohort 4: SL-901 80 mg
Serious: 0/6 (0%)
Deaths: 2/6

Serious adverse events (9 terms)

ReactionSystemCohort 1: SL-901 20 mgCohort 2: SL-901 40 mgCohort 3: SL-901 60 mgCohort 4: SL-901 80 mg
Intestinal obstructionGastrointestinal disorders
Device related infectionInfections and infestations
Infective exacerbation of chronic obstructive airways diseaseInfections and infestations
PneumoniaInfections and infestations
HyponatraemiaMetabolism and nutrition disorders
Pathological fractureMusculoskeletal and connective tissue disorders
SeizureNervous system disorders
Urinary tract obstructionRenal and urinary disorders
Pleuritic painRespiratory, thoracic and mediastinal disorders
Other adverse events (13 terms — click to expand)

ReactionSystemCohort 1: SL-901 20 mgCohort 2: SL-901 40 mgCohort 3: SL-901 60 mgCohort 4: SL-901 80 mg
NauseaGastrointestinal disorders
AnaemiaBlood and lymphatic system disorders
Abdominal painGastrointestinal disorders
Abdominal pain upperGastrointestinal disorders
ConstipationGastrointestinal disorders
DiarrhoeaGastrointestinal disorders
LymphopeniaBlood and lymphatic system disorders
NeutropeniaBlood and lymphatic system disorders
Dry eyeEye disorders
Lacrimation increasedEye disorders
Abdominal discomfortGastrointestinal disorders
Intestinal obstructionGastrointestinal disorders
ToothacheGastrointestinal disorders

Most-reported serious reactions: Intestinal obstruction, Device related infection, Infective exacerbation of chronic obstructive airways disease, Pneumonia, Hyponatraemia, Pathological fracture, Seizure, Urinary tract obstruction.

Data from ClinicalTrials.gov NCT05382936 adverse events section.

Sponsor's own description

Study STML-901-0119 was a dose-escalation study evaluating multiple doses and schedules of orally administered SL-901 in patients with advanced solid tumors.

Publications & conference data

No peer-reviewed publications indexed yet for this trial.

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Other recruiting trials for Advanced Solid Tumor

Currently open trials in the same condition.

Other Stemline Therapeutics, Inc. trials

Trials by the same sponsor.

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Data sources for this page

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT05382936.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing