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Proof of concept to evaluate the effects of gonatoxins, a paralyzing shellfish toxin (PSP), on chemotherapy-induced peripheral neuropathy

ALGENIS - Proof-of-concept study to assess the effects of gonatoxins, the toxin shellfish (PSP) - NEURO SERUM, on objective and objective evaluations subjective effects of chemotherapy-induced peripheral neuropathy.

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
REBEC
Registry ID
RBR-3y5dtqt
Enrollment
Unknown
Registered
2021-05-14
Start date
2020-09-08
Completion date
Unknown
Last updated
2025-10-27

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

Conditions

Family history of breast cancer

Interventions

The first part of the study will be stratified in statistical analyzes of two cohorts of up to 19 well-determined patients: i) Cohort 1, formed by patients treated with drugs of the Taxane class
and ii) Cohort 2, formed by patients treated with drugs from the other classes. All patients will receive PSP NEURO SERUM (topical formulation) three times a day for 28 days, or until disease progress
ii) Phase 2 will consider up to 19 patients from each cohort (7 additional patients) and will seek at least 4 responses in total to consider the drug as active in each cohort. In addition, we will eva
C04.557.470.200.240.187
A05.360.319

Sponsors

Oncoclinicas do Brasil Serviços Médicos S.A
Lead Sponsor
Oncoclinicas do Brasil Serviços Médicos S.A
Collaborator

Eligibility

Sex/Gender
Female
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Histological diagnosis of breast cancer, cervical cancer, uterine body cancer or ovarian cancer; Treatment with paclitaxel (taxol) in neoadjuvancy, adjuvancy or metastatic scenario; Grade = 2 peripheral sensory neuropathy by NCI-CTCAE version 5.0; Diagnosis of sensory peripheral neuropathy during treatment with paclitaxel (taxol) or up to 2 weeks after the last infusion of paclitaxel (taxol); Patients with chronic symptoms related to peripheral sensory neuropathy who finished treatment with paclitaxel (taxol) more than 2 weeks ago; Patients using neuropathic pain modulators will be allowed if the use is for any other reason and if there have been no dose adjustments in the past 2 weeks.

Exclusion criteria

Exclusion criteria: Patients receiving systemic treatment who have peripheral neuropathy among their common side effects (> 1%), or who have received the same in the last 2 weeks; Participating women who are pregnant; History of peripheral sensory neuropathy attributed to causes other than the use of anti-neoplastic agents; Patients with suspected or known allergy to seafood; History of alcoholism;

Design outcomes

Primary

MeasureTime frame
Evaluate the improvement of tactile sensation through the Semmes-Weinstein monofilament test; ;Avaliar segurança; tipo, frequência, gravidade e causalidade dos efeitos adversos; do PSP NEURO SERUM;

Secondary

MeasureTime frame
Assess the improvement of the general neurological examination as assessed by the clinical version of the Total Neuropathy Score (TNSc - Total Neuropathy Score, Appendix 1); ;Evaluate the improvement in handling skills and agility as evaluation through NHPT (Nine-hole Pegboard Test - test of nine pins and holes); ;Assess the improvement of symptoms reported by the patient as assessed by the Patient Neuropathy Questionnaire (PNQ - Patient Neuropathy Questionnaire, Appendix 2); ;Assess safety and toxicity according to NCI-CTCAE v5.0 (National Cancer Institute - Commun Toxicity Criteria For Adverse Events). Adverse events will be collected weekly and in the security / follow-up visit; ;Evaluate the improvement in quality of life using the Brazilian Portuguese version of EORTC-QLQ-C30 (European Organization for Research and Treatment of Cancer Core Quality of Life Questionnaire - 30 items).

Countries

Brazil

Contacts

Public ContactMariane Dias
mariane.fontes@medicos.oncoclinicas.com.br+552121270447

Outcome results

None listed

Source: REBEC (via WHO ICTRP)