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Advanced or Metastatic Merkel Cell CarcinomaPhase 1/2NCT03684785

Intratumoral Cavrotolimod Combined With Pembrolizumab or Cemiplimab in Patients With Merkel Cell Carcinoma, Cutaneous Squamous Cell Carcinoma, or Other Advanced Solid Tumors

A Phase 1/2 study testing Cavrotolimod, Pembrolizumab and Cemiplimab in people with Advanced or Metastatic Merkel Cell Carcinoma and Advanced or Metastatic Cutaneous Squamous Cell Carcinoma, run by Exicure, Inc. at 26 sites in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

This is a phase 1b/2, open-label, two-part, multicenter trial designed to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics and preliminary efficacy of intratumoral cavrotolimod injections alone and in combination with intravenous pembrolizumab or cemiplimab in patients with Merkel Cell Carcinoma… Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Cavrotolimod, Pembrolizumab and Cemiplimab
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
57 participants
Where
26 sitesUnited States
Study dates
13 Dec 2018to 30 Mar 2022
Phase
Phase 1/2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Written informed consent.
  • Male or female ≥18 years of age.
  • Must have an advanced inoperable histologically diagnosed solid tumor.
  • Phase 2 Merkel Cell Carcinoma Dose Expansion Cohort: locally advanced or metastatic Merkel cell caricinoma
  • Phase 2 Cutaneous Squamous Cell Carcinoma Dose Expansion Cohort: locally advanced or metastatic cutaneous squamous cell carcinoma
  • Phase 2 Merkel Cell Carcinoma Exploratory Expansion Cohort: locally advanced or metastatic Merkel cell carcinoma
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  • Phase 2 Melanoma Exploratory Expansion Cohort: Locally advanced or metastatic melanoma
  • Phase 2 Subcutaneous Dosing Exploratory Cohort: Locally advanced or metastatic solid tumors
  • Phase 2 Liver Lesion Exploratory Cohort: metastatic solid tumors with liver metastases
  • Phase 1b, Phase 2 Merkel Cell Carcinoma Dose Expansion Cohort, Phase 2 Cutaneous Squamous Cell Carcinoma Dose Expansion Cohort, Phase 2 Merkel Cell Carcinoma Exploratory Expansion Cohort, Phase 2 Melanoma Exploratory Expansion Cohort:
  • At least one tumor lesion amenable to repeated IT injection via palpation or ultrasound. Injection of deep visceral lesions is not permitted.
  • Patients enrolled in subcutaneous dosing cohort do not need lesions amenable to subcutaneous dosing.
  • Phase 1b and Phase 2 Melanoma Exploratory Expansion Cohort:
  • Agrees to provide a newly obtained biopsy of one or two lesions, and agrees to repeat biopsies, if applicable.
  • Phase 1b:
  • In the investigator's opinion the patient may derive clinical benefit from the treatment or is ineligible for a particular form of standard therapy due to tolerability, or the patient failed one or more established standard medical anti-cancer therapies. Exposure to anti-PD-(L)1 or anti-CTLA-4 antibody CPIs is permitted but not required.
  • Phase 2 Merkel Cell Carcinoma Dose Expansion Cohort:
  • At least a minimum number of cycles of avelumab, nivolumab, or pembrolizumab. Prior anti-CTLA-4 antibody therapy, including as most recent preceding therapy in combination with avelumab or pembrolizumab, is permitted but not required.
  • Confirmed progressive disease during treatment with avelumab or pembrolizumab therapy,
  • Phase 2 Cutaneous Squamous Cell Carcinoma Dose Expansion Cohort
  • At least a minimum number of cycles of cemiplimab, nivolumab, or pembrolizumab. Prior ipilimumab therapy, including as most recent preceding therapy in combination with cemiplimab, nivolumab, or pembrolizumab, is permitted but not required.
  • Confirmed progressive disease on cemiplimab or pembrolizumab therapy
  • Phase 2 MCC and Melanoma Exploratory Expansion Cohort and Phase 2 Subcutaneous Dosing Exploratory Expansion Cohort:
  • Treatment duration with anti-PD-(L)1 antibody ≥8 weeks as the most recent preceding therapy prior to being enrolled in this study with confirmed progression. Anti-PD-(L)1 was administrated for metastatic or locally advanced Merkel Cell Carcinoma or melanoma. Prior ipilimumab therapy, including as most recent therapy in combination with anti-PD-(L)1 therapy, is permitted but not required.
  • Confirmed progressive disease on anti-PD-(L)1 antibody therapy
  • Phase 1b and Phase 2 Melanoma Exploratory Expansion Cohort:
  • Evaluable disease per RECIST 1.1 with at least two target lesions as defined by RECIST 1.1. Both injectable and non-injectable target lesions should be chosen for efficacy evaluation.
  • For the Phase 2 expansion portions of the study, a maximum of 4 prior lines of systemic treatment for locally advanced or metastatic disease.
  • Phase 2 Merkel Cell Carcinoma and Melanoma Exploratory Expansion Cohorts and Phase 2 Subcutaneous Dosing Exploratory Cohort
  • For female patients of childbearing potential, defined as females who 1) have not undergone a hysterectomy, bilateral tubal ligation, or bilateral oophorectomy or 2) have not been postmenopausal for at least 12 consecutive months [i.e., have had menses at any time during the preceding 12 consecutive months]):
  • Willing to use one of the following effective methods of contraception for at least 30 days before administration of cavrotolimod, during treatment with cavrotolimod, pembrolizumab, or cemiplimab, and for at least four months after the last dose of cavrotolimod, pembrolizumab, or cemiplimab:
  • Total abstinence from sexual intercourse with a partner that may result in pregnancy
  • Hormonal contraception (oral, parenteral, or transdermal) used for at least 3 consecutive months prior to the first dose of cavrotolimod
  • Intrauterine contraceptive device
  • Barrier contraception (i.e., condom, cap, diaphragm, or sponge with spermicide)
  • For male patients who have not had a vasectomy:
  • Willing to use one of the following effective methods of contraception for at least 30 days before administration of cavrotolimod, during treatment with cavrotolimod, pembrolizumab, or cemiplimab, and for at least four months after the last dose of cavrotolimod, pembrolizumab, or cemiplimab:
  • Total abstinence from sexual intercourse with a female partner of childbearing potential
  • Use by female partner of hormonal contraception (oral, parenteral, or transdermal) for at least 3 consecutive months prior to the first dose of cavrotolimod
  • Use by female partner of intrauterine contraceptive device
  • Barrier contraception (i.e., condom, cap, diaphragm, or sponge with spermicide)
  • Regarding history of CPI-related adverse events:
  • Resolution of CPI-related AEs (including irAEs) to G0-1 and no corticosteroids for the amelioration of those irAEs for at least 4 weeks prior to the first dose of cavrotolimod. Controlled hypothyroidism and controlled adrenal insufficiency are exceptions to this criterion, provided doses do not exceed the threshold described in exclusion criterion #13.
  • No history of CTCAE G4 irAEs from CPI. iii. No history of CTCAE G3 irAEs from CPI. Patients with a history of CTCAE G3 irAEs from CPI requiring steroid treatment for no greater than 12 weeks may be considered at the discretion of the Investigator if supported by an assessment of risk-benefit and after discussion with the Medical Monitor.
  • Adequate organ function.
  • Able and willing to comply with the protocol and the restrictions and assessments therein.

Who cannot join

  • Small molecule or tyrosine kinase inhibitor within 2 weeks or 5 half-lives (whichever is longer) prior to the first dose of cavrotolimod, chemotherapy or biological cancer therapy within 3 weeks prior to the first dose of cavrotolimod, nitrosourea, or radioisotope within 6 weeks prior to first dose of cavrotolimod, or non-recovery to CTCAE G1 or better from the AEs due to cancer therapeutics administered more than 4 weeks earlier.
  • Known hypersensitivity to any phosphorothioate oligonucleotide, or previous exposure to a TLR9 agonist drug.
  • Previous severe hypersensitivity reaction to treatment with pembrolizumab, cemiplimab or another anti-PD-(L)1 monoclonal antibody.
  • Eastern Cooperative Oncology Group Performance Status (ECOG PS) >1.
  • Symptomatic ascites or pleural effusion. A patient with these conditions who has received treatment such as therapeutic thoracentesis or paracentesis and is clinically stable, defined as not requiring repeat drainage procedure within 2 weeks, may be considered after discussion with the Medical Monitor.
  • Known active CNS metastases and/or carcinomatous meningitis. Patients with previously treated brain metastases may participate provided they are clinically stable for at least 4 weeks prior to the first dose of cavrotolimod, have no evidence of new or enlarging brain metastases and are off steroids for at least 14 days prior to the first dose of cavrotolimod.
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  • Known history of a hematologic malignancy, malignant primary brain tumor or malignant sarcoma, or of another malignant primary solid tumor (other than that under study), with the following exceptions: 1) patients who have undergone potentially curative therapy with no evidence of that disease for 3 years prior to the first dose of cavrotolimod; 2) patients who underwent successful definitive resection of basal cell carcinoma of the skin, superficial bladder cancer, squamous cell carcinoma of the skin, in situ cervical cancer, or other in situ cancers; 3) stable chronic lymphocytic leukemia not requiring treatment within 3 years prior to the first dose of cavrotolimod.
  • Significant autoimmune disease that requires or required systemic steroids or immunosuppressive agents within the last year. The following are not exclusionary: 1) vitiligo, resolved asthma/atopy, and limited eczema; 2) conidtions requiring intermittent use of bronchodilators or local steroid injections; 3) hypothyroidism or adrenal insufficiency that is stable on hormone replacement; or 4) irAEs related to checkpoint inhibitor therapy, provided inclusion criterion #10 and exclusion criterion #11 are met.
  • Use of systemic corticosteroids to treat inflammatory or autoimmune symptoms within 15 days or other immunosuppressive drugs within 30 days prior to the first dose of cavrotolimod. Inhaled and topical corticosteroids are permitted. Up to 10 mg/day prednisone or equivalent is permitted for hypothyroidism or adrenal insufficiency.
  • Received an investigational product or been treated with an investigational device within 30 days prior to the first dose of cavrotolimod or will start any other investigational product or device study within 30 days after last study drug administration.
  • History or clinical evidence of any surgical or medical condition which the Investigator judges as likely to interfere with the results of the study or pose an additional risk in participating e.g., rapidly progressive or uncontrolled disease involving a major organ system-vascular, cardiac, pulmonary, gastrointestinal, gynecologic, hematologic, neurologic, neoplastic, renal, endocrine or an immunodeficiency, or clinically significant active psychiatric or abuse disorders.
  • Pregnant or breastfeeding or expecting to conceive or father children within the projected duration of the study through 4 months after the last dose of cavrotolimod, pembrolizumab, or cemiplimab.
  • Allergy or intolerance preventing use of H1 blockers (e.g., diphenhydramine, cetirizine) and H2 blockers (e.g., famotidine) used as antihistamine premedication prior to cavrotolimod injection.

Trial locations and contacts

26 sites in 1 country.

26 sites in 1 country

United States26 sites

  • University of Colorado Cancer Center

    Aurora, Colorado, 80045

  • Dana Farber Cancer Institute

    Boston, Massachusetts, 02215

  • Northwestern University Feinberg School of Medicine

    Chicago, Illinois, 60611

  • University of Cincinnati

    Cincinnati, Ohio, 45267

  • Ohio State University Comprehensive Cancer Center

    Columbus, Ohio, 43210

  • Sammons Cancer Center

    Dallas, Texas, 75246

  • Duke Cancer Institute

    Durham, North Carolina, 27710

  • Western States Cancer Center

    Englewood, Colorado, 80113

  • Baylor College of Medicine

    Houston, Texas, 77030

  • MD Anderson Cancer Center

    Houston, Texas, 77030

  • Holden Comprehensive Cancer Center

    Iowa City, Iowa, 52242

  • Dartmouth-Hitchcock Medical Center

    Lebanon, New Hampshire, 03756

  • Norton Cancer Center

    Louisville, Kentucky, 40241

  • Sylvester Comprehensive Cancer Center

    Miami, Florida, 33136

  • West Virginia Cancer Institute

    Morgantown, West Virginia, 26506

  • Perlmutter Cancer Center

    New York, New York, 10016

  • Memorial Sloan Kettering Cancer Center

    New York, New York, 10065

  • University of California Irvine

    Orange, California, 92868

  • Valley - Mount Sinai Comprehensive Cancer Center

    Paramus, New Jersey, 07652

  • University of Pittsburgh Medical Center / Hillman Cancer Center

    Pittsburgh, Pennsylvania, 15232

  • Oregon Health and Science University

    Portland, Oregon, 97239

  • UCSF Helen Diller Family Comprehensive Cancer Center

    San Francisco, California, 94185

  • John Wayne Cancer Institute / Providence St. John's Health Center

    Santa Monica, California, 90401

  • University of Washington- Seattle Cancer Care Alliance

    Seattle, Washington, 98109

  • Washington University St. Louis

    St Louis, Missouri, 63110

  • University of Arizona Cancer Center

    Tucson, Arizona, 85719

Other trials in United States

About this study

Official title: Merkel Cell Carcinoma, Cutaneous Squamous Cell Carcinoma, or Other Advanced Solid Tumors: A Phase 1b/2 Study of Cavrotolimod Combined With Pembrolizumab or Cemiplimab

This is a phase 1b/2, open-label, two-part, multicenter trial designed to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics and preliminary efficacy of intratumoral cavrotolimod injections alone and in combination with intravenous pembrolizumab or cemiplimab in patients with Merkel Cell Carcinoma, cutaneous squamous cell carcinoma, and advanced solid tumors.

Phase 1b of this trial is a 3+3 dose escalation study evaluating escalating or intermediate dose levels of cavrotolimod given with a fixed dose of pembrolizumab.

The Phase 2 dose expansion part of the study will consist of two primary cohorts of patients: Merkel cell carcinoma and cutaneous squamous cell carcinoma. Patients in the Merkel Cell Carcinoma cohort will receive IT cavrotolimod combined with a fixed, standard dose of pembrolizumab while the Cutaneous Squamous Cell Carcinoma cohort will receive IT cavrotolimod combined with a fixed, standard dose of cemiplimab. The Phase 2 dose expansion is designed to provide a preliminary estimate of efficacy in patients that have progressed on an anti-PD-(L)1 CPI.

Read the detailed description

This study will be conducted in 2 phases. Phase 1 evaluates cavrotolimod given in combination with pembrolizumab in patients with advanced solid tumors in a classical 3+3 dose escalation design, with up to five ascending dose cohorts of cavrotolimod and enrollment of at least 3 patients per cohort to identify an RP2D. Patients will be dosed twice with cavrotolimod as a monotherapy before adding pembrolizumab, which will be added starting at the second cycle. Once the MTD or highest escalation cohort has been reached, or notable efficacy has been observed at a given dose level, and a decision as to a RP2D has been made, a two 2-stage expansion cohort design will be initiated.

Phase 2 will evaluate the RP2D of cavrotolimod given in combination with pembrolizumab or cemiplimab in two expansion cohorts following a modified Simon 2-stage optimal design comprised of patients with Merkel cell carcinoma or cutaneous squamous cell carcinoma. who previously received and have progressed on an anti-PD-(L)1 CPI. Patients in the Merkel Cell Carcinoma cohort will receive IT cavrotolimod combined with a fixed, standard dose of pembrolizumab while the Cutaneous Squamous Cell Carcinoma cohort will receive IT cavrotolimod combined with a fixed, standard dose of cemiplimab.

Phase 2 will include an exploratory expansion cohort to evaluate cavrotolimod in combination with pembrolizumab in patients with other advanced solid tumors, including melanoma, who have progressed on anti-PD-(L)1 therapy.

Exploratory expansion cohorts will evaluate patients with melanoma and additional patients with Merkel Cell Carcinoma who do not meet criteria for enrollment in the primary Merkel Cell Carcinoma cohort. In addition, two exploratory cohorts have been added to evaluate patients with advanced solid tumors and no superficial tumor accessible for IT injection using subcutaneously administered cavrotolimod or IT injection into liver metastases.

A cohort of up to 10 evaluable patients with locally advanced or metastatic solid tumors with no cutaneous, subcutaneous, or accessible nodal tumor lesions available for IT injection may be enrolled (inclusion criterion #4). The inclusion/exclusion criteria for this exploratory cohort will otherwise be the same as those used for the Phase 2 dose expansion cohorts except these patients will not be required to have a lesion accessible for biopsy (inclusion criterion #5). Patients will be dosed with cavrotolimod subcutaneously at a dose not to exceed the recommended Phase 2 dose, 32 mg, in combination with pembrolizumab.

Being tested
Cavrotolimod, Pembrolizumab, Cemiplimab
Keywords
Advanced or Metastatic Merkel Cell Carcinoma, Advanced or Metastatic Cutaneous Squamous Cell Carcinoma, Advanced or Metastatic Head and Neck Squamous Cell Carcinoma, Advanced or Metastatic Melanoma, Advanced or Metastatic Solid Tumors, Head and Neck, Squamous Cell Carinoma, Cutaneous Squamous Cell Carcinoma, Merkel Cell Carcinoma, Melanoma, Skin Cancer
Medical subject headings
Carcinoma, Merkel Cell, Melanoma, Skin Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • CavrotolimodDrug

    Intratumorally dosed cavrotolimod.

  • PembrolizumabBiological

    Pembrolizumab dosing as per the US prescribing information.

  • CemiplimabBiological

    Cemiplimab dosing as per the US prescribing information.

  • CavrotolimodDrug

    Subcutaneously dosed cavrotolimod

Study groups in NCT03684785
Study groupRoleWhat they receive
Dose Escalation Phase 1bExperimentalDetermine the recommended Phase 2 dose of cavrotolimod in combination with pembrolizumab.
Receives: Drug: Cavrotolimod; Biological: Pembrolizumab
Dose Expansion Phase 2; Merkel cell carcinomaExperimentalDetermine the safety and preliminary efficacy of cavrotolimod and pembrolizumab in patients with advanced Merkel cell carcinoma that have progressed on an anti-PD-1 / anti-PD-L1 therapy.
Receives: Drug: Cavrotolimod; Biological: Pembrolizumab
Dose Expansion Phase 2, cutaneous squamous cell carcinomaExperimentalDetermine the safety and preliminary efficacy of cavrotolimod and cemiplimab in patients with advanced cutaneous squamous cell carcinoma that have progressed on an anti-PD-1.
Receives: Drug: Cavrotolimod; Biological: Cemiplimab
Exploratory Phase 2, Merkel cell carinomaExperimentalDetermine the safety and preliminary efficacy of cavrotolimod and pembrolizumab in patients with advanced Merkel cell carcinoma that have progressed on anti-PD-1 / anti-PD-L1 therapy.
Receives: Drug: Cavrotolimod; Biological: Pembrolizumab
Exploratory Phase 2, Subcutaneous Dosing CohortExperimentalDetermine the safety and preliminary efficacy of cavrotolimod and pembrolizumab in patients with no cutaneous, subcutaneous, or accessible nodal tumor lesions amenable that have progressed on anti-PD-1 / anti-PD-L1 therapy.
Receives: Biological: Pembrolizumab; Drug: Cavrotolimod
Exploratory Phase 2, MelanomaExperimentalDetermine the safety and preliminary efficacy of cavrotolimod and pembrolizumab in patients with locally Advanced or Metastatic Melanoma that have progressed on anti-PD-1 / anti-PD-L1 therapy.
Receives: Drug: Cavrotolimod; Biological: Pembrolizumab
Exploratory Phase 2, Liver LesionExperimentalDetermine the safety and preliminary efficacy of cavrotolimod and pembrolizumab in patients with metastatic solid tumors with liver metastases that have progressed on anti-PD-1 / anti-PD-L1 therapy.
Receives: Drug: Cavrotolimod; Biological: Pembrolizumab

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Adverse events of cavrotolimod alone and in combination with pembrolizumab or cemiplimab

    Number of participants with treatment-related adverse events as assessed by CTCAE v5.0

    Measured: Study day 36

Secondary outcomes (4)

  1. Recommended Phase 2 dose

    To recommend a dose of cavrotolimod and combination regimen for further development

    Measured: 12 months

  2. Objective response rate (ORR) per RECIST v1.1

    ORR to be calculated overall and by cohort/subgroup using RECIST v1.1. Subgroups will be defined for the efficacy analyses based on prior exposure and response to immune checkpoint inhibitors.

    Measured: 24 months

  3. Measure changes in correlative biomarkers including tumor-infiltrating lymphocytes, PD-L1 and other checkpoint expression at baseline, after cavrotolimod monotherapy, and after combination therapy of both cavrotolimod and pembrolizumab or cemiplimab.

    IHC on FFPE biopsies will be used to assess markers.

    Measured: Study day 36

  4. Measure changes in gene expression profiles at baseline, after cavrotolimod monotherapy, and after combination therapy of both cavrotolimod and pembrolizumab or cemiplimab.

    Selected gene-expression profiling on gene expression will be performed with nCounter (NanoString Technologies).

    Measured: Study day 36

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted26 Sep 2018
  2. Study start13 Dec 2018
  3. Primary completion30 Mar 2022
  4. Study completion30 Mar 2022

Why it stopped: The study was canceled for administrative reasons.

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1/2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Sequential
Masking
None (open label)
Enrolment
57 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03684785
Sponsor's protocol ID
AST-008-102
Status last verified
Mar 2022
First submitted
19 Sep 2018
Last updated
7 Apr 2022
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Yes: Individual participant data that underlie the results reported in the article, after de-identification (text, tables, figures, and appendices) will be shared to researchers who provide a methodologically sound proposal and sign a data access agreement.

Publications

  • Milhem MM, Wise-Draper TM, Chandra S, Hanna GJ, Laux DE, Medina TM, Ansstas G, Daud A, Kelly CM, O'Day SJ, Perez CA, Wong MK, Friedlander PA, Kristedja TS, Burgess MA, Cowey CL, Hanks BA, Weight RM, Daniel WL, Feltner DE, Mix S, Sindelar L, Bexon AS, Bexon MF, Michel RE, Bhatia S. Phase 1b/2 study evaluating safety, efficacy and immune effects of TLR9 agonist cavrotolimod with anti-PD-1 antibodies among patients with advanced solid tumors. J Immunother Cancer. 2025 Jul 25;13(7):e011651. doi: 10.1136/jitc-2025-011651.

    PubMed 40713179

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing Cavrotolimod, Pembrolizumab and Cemiplimab in people with Advanced or Metastatic Merkel Cell Carcinoma and Advanced or Metastatic Cutaneous Squamous Cell Carcinoma, run by Exicure, Inc. at 26 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 46 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 7 Apr 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 26 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study was stopped early (reason given: The study was canceled for administrative reasons.). Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Adverse events of cavrotolimod alone and in combination with pembrolizumab or cemiplimab (time frame: Study day 36). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03684785, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 Apr 2022.

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