Phase 2
Completed N=19
Efavirenz as Second-Line Therapy in Treating Patients With Metastatic Pancreatic Cancer
Source: ClinicalTrials.gov NCT00964171 ↗Enrolled (actual)
19
Serious AEs
63.2%
Results posted
Aug 2025
Primary outcomePrimary: Percentage of Patients in Non-progression at 2 Months — 14.3 percentage of participants
Summary
RATIONALE: Efavirenz may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth.
PURPOSE: This phase II trial is studying how well efavirenz works as second-line therapy in treating patients with metastatic pancreatic cancer.
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Percentage of Patients in Non-progression at 2 Months |
14.3 | — |
| SECONDARY Percentage of Patients in Non-progression at 4 Months |
9.1 | — |
| SECONDARY Percentage of Patients in Non-biological Progression at 2 Months |
31.4 | — |
| SECONDARY Overall Survival |
216 | — |
| SECONDARY Event-free Survival |
52 | — |
| SECONDARY Progression-free Survival |
54 | — |
| SECONDARY Quality of Life Score |
73.3; 75; 83.3; 75; 75; 58.3 | — |
Eligibility Criteria
DISEASE CHARACTERISTICS:
- Histologically confirmed adenocarcinoma of the pancreas
- No other histological types
- Radiologically confirmed metastatic disease in a non-irradiated area
- Measurable disease according to RECIST criteria
- Must have exhausted first-line gemcitabine hydrochloride chemotherapy
- No CNS metastases
PATIENT CHARACTERISTICS:
- WHO performance status (PS) 0-2 OR Karnofsky PS 70-100%
- ANC ≥ 1,500/mm^3
- Platelet count ≥ 100,000/mm^3
- Hemoglobin ≥ 10 g/dL
- Creatinine ≤ 1.25 times upper limit of normal
- Alkaline phosphatase < 5 times normal
- Bilirubin < 3 times normal
- Not pregnant or nursing
- Negative pregnancy test
- Fertile patients must use effective contraception
- Has French Social Security in compliance with the French law relating to biomedical research
- Able to comply with study treatment and follow-up
- No severe renal failure
- No severe hepatic impairment
- No known hypersensitivity to the study drug and its excipients
- No depression with a total score of ≥ 13 on the Hospital Anxiety and Depression (HAD) scale
- No active diarrhea that may affect the ability to absorb the study drug
- No other cancer within the past 5 years except carcinoma in situ of the cervix or basal cell carcinoma of the skin
- No geographical, psychiatric, social, or psychological reason that would preclude compliance with study procedures
PRIOR CONCURRENT THERAPY:
- Recovered from all prior anticancer therapy
- More than 30 days since prior investigational drugs and/or participation in a clinical trial
- Prior adjuvant chemotherapy (one-line only) and/or radiotherapy allowed
- No prior enrollment on this study
- No prior treatment acting on the signal transduction pathway
- No prior yellow fever vaccine
- No other concurrent second-line therapy
- No concurrent terfenadine, astemizole, cisapride, midazolam, triazolam, pimozide, bepridil, rye alkaloids, voriconazole, or St. John wort (Hypericum perforatum)
Data sourced from ClinicalTrials.gov (NCT00964171). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.