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Observational trial to investigate whether patients with advanced melanoma who experience a tumor respons during treatment with nivolumab or pembrolizumab, can safely stop this treatment early

Safe Stop Trial: observational study of the STOP & GO strategy of PD-1 blockade in advanced melanoma patients upon achieving a complete or partial response - SAFE STOP trial melanoma

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2018-001384-23-NL
Enrollment
200
Registered
2018-06-07
Start date
2018-11-08
Completion date
Unknown
Last updated
2025-04-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

malignant and not otherwise specified skin neoplasms MedDRA version: 20.0 Level: HLGT Classification code 10040900 Term: Skin neoplasms malignant and unspecified System Organ Class: 10040785 - Skin and subcutaneous tissue disorders

Interventions

Trade Name: Opdivo Pharmaceutical Form: Concentrate for solution for infusion INN or Proposed INN: NIVOLUMAB Other descriptive name: NIVOLUMAB Trade Name: Keytruda Pharmaceutical Form: Powder for con

Sponsors

Erasmus Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - advanced or metastatic melanoma - current treatment with first-line nivolumab or pembrolizumab for advanced or metastatic melanoma - having confirmed complete remission (CR) or partial response (PR) according to RECIST v.1.1 - planned to discontinue nivolumab or pembrolizumab within 4 weeks after confirmation of CR or PR before the full period of 2 years therapy Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 200 F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: Concomitant systemic therapies with other anti-cancer agents, e.g. BRAF-inhibitor, anti-CTLA4 (e.g. ipilimumab), or other PD-1 blockade than nivolumab or pembrolizumab

Design outcomes

Primary

MeasureTime frame
Main Objective: The primary objective of this study is to evaluate ongoing responses in patients with advanced and metastatic melanoma who discontinue first-line monotherapy with nivolumab or pembrolizumab upon achieving CR or PR according to RECIST v1.1;Secondary Objective: The secondary endpoints include: 1a. Total duration of response after first documented CR or PR followed by treatment interruption 1b. Duration of response (CR and PR) after discontinuation of nivolumab or pembrolizumab 2. Progression-free survival (PFS) from start of nivolumab/pembrolizumab (PFS1) 3a. Rate of reintroduction of nivolumab/pembrolizumab upon first PD 3b. Failure rate of reintroducing nivolumab/pembrolizumab and the need for other salvage therapy at first PD 4. Best response on rechallenge with nivolumab/pembrolizumab 5. PFS after reintroduction of nivolumab/pembrolizumab (PFS2) 6a. Total PFS (including period after discontinuation and reintroduction of nivolumab/pembrolizumab) 6b. Overall survival (OS) 7a. Rate of grade 3-4 adverse events (AEs) after discontinuation of nivolumab/pembrolizumab 7b. Rate of grade 3-4 adverse events (AEs) after reintroduction of nivolumab/pembrolizumab ;Primary end point(s): Rate of ongoing responses (CR and PR) according to RECIST v1.1 at 24 months after first start of nivolumab or pembrolizumab;Timepoint(s) of evaluation of this end point: 24 months after last patient included

Secondary

MeasureTime frame
Secondary end point(s): 1a. Totale responsduur vanaf de eerst gedocumenteerde CR of PR voor het staken van de behandeling 1b. Responsduur na het staken van nivolumab of pembrolizumab 2. Progressie vrije overleving (PFS) vanaf het starten van nivolumab/pembrolizumab (PFS1) 3a. Mate van herstart nivolumab/pembrolizumab bij eerst gedocumenteerde progressieve ziekte (PD) 3b. Mate van falen na herstart nivolumab/pembrolizumab en de noodzaak voor een andere behandeling bij eerste PD 4. Beste respons na herstart van nivolumab/pembrolizumab 5. PFS na herstart van nivolumab/pembrolizumab (PFS2) 6a. Totale PFS (inclusief periode na staken en bij herstart van nivolumab/pembrolizumab) 6b. Totale overleving (OS) 7a. Mate van graad 3-4 bijwerkingen na staken nivolumab/pembrolizumab 7b. Mate van graad 3-4 bijwerkingen na herstart nivolumab/pembrolizumab;Timepoint(s) of evaluation of this end point: 60 months after last patient has started treatment

Countries

Netherlands

Contacts

Public ContactDr. A.A.M. van der Veldt

Erasmus Medical Center

a.vanderveldt@erasmusmc.nl0031(0)107041754

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 15, 2026