NCT04043104CompletedPhase 1
A Phase 1 Open-Label, Dose Escalation Study to Determine the Optimal Dose, Safety, and Activity of AAV2hAQP1 in Subjects With Radiation-Induced Parotid Gland Hypofunction and Xerostomia
Conditions
Interventions
Drugs
Trial Snapshot
- Phase
- Phase 1
- Status
- Completed
- Sponsor
- MeiraGTx UK II Ltd
- Enrollment
- 24
- Locations
- 6
- Primary Endpoint
- The primary outcome is safety of AAV2hAQP1 administered to the parotid gland of adult subjects with radiation-induced xerostomia
Study Overview
Brief Summary
Open-label, non-randomized, dose escalation trial of AAV2hAQP1 administered via Stensen's duct to a single or both parotid glands in subjects with radiation-induced xerostomia The objectives are to evaluate the safety and identify either a maximum tolerated dose or a maximum feasible dose of a single dose of AAV2hAQP1 infused into one or both parotid glands:
To evaluate subject improvement of xerostomia symptoms, to evaluate the increase in parotid gland salivary output after treatment with AAV2hAQP1, to evaluate additional efficacy outcomes.
Study Design
- Study Type
- Interventional
- Allocation
- Non Randomized
- Intervention Model
- Sequential
- Primary Purpose
- Treatment
- Masking
- None
Eligibility Criteria
- Ages
- 18 Years to — (Adult, Older Adult)
- Sex
- All
- Accepts Healthy Volunteers
- No
Inclusion Criteria
- •Male or female subjects ≥18 years of age.
- •History of radiation therapy for head and neck cancer.
- •Abnormal parotid gland function as judged by both absence of unstimulated parotid salivary flow and a stimulated parotid salivary flow in the targeted parotid gland >0 and <0.3 mL/min/gland after 2% citrate stimulation.
- •No evidence of recurrence of the primary malignancy by an otolaryngology (ears, nose, and throat [ENT]) assessment. Additionally, all subjects must be disease-free of head and neck cancer for at least 5 years following the end of treatment at screening, with the exception of subjects with a history of HPV+ OPC (base of tongue, oropharynx, pharynx, soft palate, tonsil) who must be disease free for at least 2 years following the end of treatment. Disease status will be determined by negative clinical examinations and computed tomography (CT) scans of the neck and chest. If subjects have had a magnetic resonance imaging (MRI) of the neck or a positron emission tomography (PET) scan within 6 months of screening, then a CT scan is not required, except for HPV+ OPC subjects who must have scans at 2 years post treatment.
- •Female subjects of childbearing potential (i.e., ovulating, pre-menopausal, and not surgically sterile) and all male subjects must use a medically accepted contraceptive regimen during their participation in the study and until all samples collected at 2 consecutive visits following AAV2hAQP1 administration are negative. Acceptable methods of contraception for male subjects include the following:
- •Condoms with spermicide. Acceptable methods of contraception for female subjects include the following:
- •Intrauterine device for at least 12 weeks prior to Screening.
- •Hormonal contraception (oral, implant, injection, ring, or patch) for at least 12 weeks prior to Screening.
- •Diaphragm used in combination with spermicide.
Exclusion Criteria
- •Pregnant or lactating women or women planning to become pregnant.
- •Any experimental therapy within 3 months before Day
- •Active infection that requires the use of intravenous antibiotics and does not resolve at least 1 week before Day
- •Uncontrolled ischemic heart disease (i.e., unstable angina, evidence of active ischemic heart disease on electrocardiogram [ECG]).
- •History of systemic autoimmune diseases affecting the salivary glands.
- •Use of systemic immunosuppressive medications (i.e., corticosteroids).
- •o Note: Topical, inhaled, or intranasal corticosteroids are allowed.
- •Malignancy, other than head and neck cancer, within the past 3 years, with the exception of adequately treated basal cell or squamous cell carcinoma of the skin or in situ cervical carcinoma.
- •Active infections including, Epstein-Barr virus (EBV), cytomegalovirus (CMV), hepatitis B (HBV), hepatitis C (HCV), or human immunodeficiency virus (HIV) infection.
- •White blood cell count <3000/μL, absolute neutrophil count <1500/μL, hemoglobin <10.0 g/dL, platelet count <100,000/μL, or absolute lymphocyte count ≤500/μL.
- •Alanine aminotransferase and/or aspartate aminotransferase >1.5 × the upper limit of normal (ULN), alkaline phosphatase >1.5 × ULN, or total bilirubin >1.5 × ULN with any elevation of liver enzymes.
- •Estimated glomerular filtration rate <60 mL/min/1.73 m2 using the Modification of Diet in Renal Disease equation.
- •Active use of tobacco products as determined by self-reporting.
- •Allergy to iodine or shellfish, and thus unable to have sialographic evaluations.
- •Allergy or hypersensitivity to glycopyrrolate.
Arms & Interventions
1 x 10^12 vg/gland (single gland)
Experimental
Intervention: AAV2hAQP1: 1 x 10^12 vg/gland (single gland) (Drug)
3 x 10^11 vg/gland (both glands)
Experimental
Intervention: AAV2hAQP1: 3 x 10^11 vg/gland (both glands) (Drug)
3 x 10^12 vg/gland (single gland)
Experimental
Intervention: AAV2hAQP1: 3 x 10^12 vg/gland (single gland) (Drug)
1 x 10^12 vg/gland (both glands)
Experimental
Intervention: AAV2hAQP1: 1 x 10^12 vg/gland (both glands) (Drug)
1 x 10^11 vg/gland (single gland)
Experimental
Intervention: AAV2hAQP1: 1 x 10^11 vg/gland (single gland) (Drug)
3 x 10^10 vg/gland (both glands)
Experimental
Intervention: AAV2hAQP1: 3 x 10^10 vg/gland (both glands) (Drug)
3 x 10^11 vg/gland (single gland)
Experimental
Intervention: AAV2hAQP1: 3 x 10^11 vg/gland (single gland) (Drug)
1 x 10^11 vg/gland (both glands)
Experimental
Intervention: AAV2hAQP1: 1 x 10^11 vg/gland (both glands) (Drug)
Outcomes
Primary Outcomes
The primary outcome is safety of AAV2hAQP1 administered to the parotid gland of adult subjects with radiation-induced xerostomia
Time Frame: one day to one year
Safety will be assessed by number of adverse events occurring with treatment
Secondary Outcomes
No secondary outcomes reported
Investigators
Study Sites (6)
Loading locations...
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