Actively Recruiting

Phase 1
Phase 2
Age: 18Years +
All Genders
NCT05944237

HTL0039732 in Participants With Advanced Solid Tumours

Led by Cancer Research UK · Updated on 2025-06-08

150

Participants Needed

5

Research Sites

202 weeks

Total Duration

On this page

Sponsors

C

Cancer Research UK

Lead Sponsor

N

Nxera Pharma UK Limited

Collaborating Sponsor

AI-Summary

What this Trial Is About

The purpose of this trial is to evaluate a new drug, HTL0039732, that will be administered on its own (as a monotherapy) and in combination with atezolizumab or with other approved anti-cancer therapies, in participants with advanced solid tumours.

CONDITIONS

Official Title

HTL0039732 in Participants With Advanced Solid Tumours

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Signed informed consent and ability to cooperate with treatment and follow-up
  • For Phase 1 Part A: Histologically or cytologically confirmed advanced solid tumor refractory to standard treatment or no further standard therapy appropriate
  • At least one measurable or assessable tumor lesion with progression after last therapy
  • Consent for fresh tumor biopsy samples if accessible and eligible for atezolizumab; optional at disease progression
  • Consent to access and analyze archival or fresh tumor tissue if archival unavailable
  • For Phase 1 Part B: Histologically proven advanced solid tumor with significant PGE2/EP4 signaling, including specified cancer types or mutations
  • For Phase 2a: Histologically proven advanced solid tumors refractory to treatment or no appropriate standard therapy, including specific indications like MSS CRC with mutations, gastric adenocarcinoma, clear cell renal carcinoma, and mCRPC
  • Consent for archival tissue access and fresh biopsies at baseline and on treatment with some exceptions
  • Disease progression by RECIST v1.1 or PCWG3 criteria for mCRPC
  • Life expectancy of at least 12 weeks
  • ECOG performance status 0 or 1
  • Hematological and biochemical values within protocol-defined ranges
  • Stable thyroid function; stable thyroxine doses allowed
  • Age 18 years or older at consent
Not Eligible

You will not qualify if you...

  • Radiotherapy (except palliative), chemotherapy, systemic anti-cancer therapy, or investigational drugs within 4 weeks prior to enrollment; immunotherapy within 12 weeks before first dose
  • Ongoing toxic effects from prior treatments greater than Grade 1
  • Central nervous system metastases unless treated, stable, asymptomatic, and off steroids for 4 weeks
  • Women who are pregnant, lactating, or of childbearing potential (exceptions apply)
  • Men with partners of childbearing potential (exceptions apply)
  • Recent major thoracic or abdominal surgery without recovery
  • High medical risk from uncontrolled systemic disease or active infection
  • Known current or latent tuberculosis, HIV, hepatitis B or C
  • Prior treatment with EP4 inhibitors
  • Use of selective cyclooxygenase-2 inhibitors within 8 weeks
  • Allergies to hydroxypropyl methylcellulose
  • Use of systemic immunosuppressive agents within 2 weeks (exceptions apply)
  • Significant cardiovascular disease
  • Active peptic ulcer disease or frequent gastritis, dyspepsia, or reflux symptoms
  • Participation in another interventional clinical trial during this study
  • Difficulty swallowing or absorbing oral medications
  • Any condition judged by the investigator as unsuitable for study participation
  • For Phase 1 Part B and Phase 2a: live vaccines within 4 weeks, immunodeficiency, autoimmune disease requiring systemic treatment within 2 years, history or suspicion of interstitial lung disease or pneumonitis, hypersensitivity to atezolizumab, or prior severe immunotherapy reactions

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 5 locations

1

Addenbrooke's Hospital

Cambridge, United Kingdom, CB2 0QQ

Actively Recruiting

2

Velindre Cancer Centre

Cardiff, United Kingdom, CF14 2TL

Actively Recruiting

3

Clatterbridge Cancer Centre

Liverpool, United Kingdom, CH63 4JY

Actively Recruiting

4

Guy's Hospital

London, United Kingdom, SE1 9RT

Actively Recruiting

5

The Christie Hospital

Manchester, United Kingdom, M20 4BX

Actively Recruiting

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Research Team

B

Bristi Basu, Dr

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NON_RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

3

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