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NCT02721732 · REGISTRY CONDITION SEARCH

Pembrolizumab in Treating Patients With Rare Tumors That Cannot Be Removed by Surgery or Are Metastatic

Found through the registry condition index, not selected as a treatment recommendation. This discovery collection was restricted to studies with posted results.

Phase
PHASE2
Status at capture
ACTIVE NOT RECRUITING
Registry last update
2026-07-17

This phase II trial studies how well pembrolizumab works in treating patients with rare tumors that cannot be removed by surgery or have spread to other parts of the body. Monoclonal antibodies, such as pembrolizumab, may block specific proteins found on white blood cells which may strengthen the immune system and control tumor growth.

Open the original ClinicalTrials.gov record → · Download preserved record

What did the study report?

Outcomes, safety and baseline populations are separate source sections. Quality-of-life measures appear under their original outcome titles.

Who could take part
eligibility Criteria
Inclusion Criteria: * Be willing and able to provide written informed consent/assent for the trial * Have measurable disease based on RECIST 1.1 or irRECIST; only cohort 9 and 10 can have evaluable disease (non-measurable lesions); tumor lesions situated in a previously irradiated area are considered measurable if progression has been demonstrated in such lesions; patients may have bone metastatic disease evaluable according to tumor evaluation criteria best suitable and accepted for the tumor type evaluated * Have one of the following advanced (unresectable and/or metastatic) solid tumor indications that has progressed following standard therapies, where standard therapies are available: * Squamous cell carcinoma of the skin * Small cell malignancies of non-pulmonary origin * Adrenocortical carcinoma * Medullary renal cell carcinoma * Carcinoma of unknown primary * Penile carcinoma * Vascular sarcoma * Germ cell tumor * Paraganglioma-pheochromocytoma * Other rare tumors (except those tumor types listed in exclusion) * Have failed prior treatment within 6 months of consent date * Have biopsiable disease; subjects must have at least one lesion amenable to biopsy; tumor lesions used for biopsy should not be lesions used as target lesions; in cohort 9: paraganglioma-pheochromocytoma or cohort 10, where there is prominent bony disease, biopsies may not be possible due to the nature of the disease * Be willing to provide archival tissue; if archival tissue is not available, or a newly obtained core or excisional biopsy of a tumor lesion will be obtained; newly-obtained is defined as a specimen obtained up to 6 weeks (42 days) prior to initiation of treatment on day 1; in cohort 9: paraganglioma-pheochromocytoma or cohort 10, where there is prominent bony disease, biopsies may not be possible due to the nature of the disease * Have a performance status of 0 or 1 on the Eastern Cooperative Oncology Group (ECOG) performance scale * Absolute neutrophil count (ANC) \>= 1,000/mcL (performed within 28 days of treatment initiation) * Platelets \>= 75,000/mcL (performed within 28 days of treatment initiation) * Hemoglobin \>= 9 g/dL or \>= 5.6 mmol/L without transfusion or erythropoietin (EPO) dependency (within 7 days of assessment) (performed within 28 days of treatment initiation) * Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate \[GFR\] can also be used in place of creatinine or creatinine clearance \[CrCl\]) =\< 1.5 X upper limit of normal (ULN) OR \>= 60 mL/min for subject with creatinine levels \> 1.5 X institutional ULN (performed within 28 days of treatment initiation) * Serum total bilirubin =\< 1.5 X ULN OR direct bilirubin =\< ULN for subjects with total bilirubin levels \> 1.5 ULN (performed within 28 days of treatment initiation) * Aspartate aminotransferase (AST) (serum glutamic oxaloacetic transaminase \[SGOT\]) and alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase \[SGPT\]) =\< 2.5 X ULN OR =\< 5 X ULN for subjects with liver metastases (performed within 28 days of treatment initiation) * Albumin \> 2.5 mg/dL (performed within 28 days of treatment initiation) * International normalized ratio (INR) or prothrombin time (PT) =\< 1.5 X ULN unless subject is receiving anticoagulant therapy as long as PT or partial thromboplastin time (PTT) is within therapeutic range of intended use of anticoagulants (performed within 28 days of treatment initiation) * Activated partial thromboplastin time (aPTT) =\< 1.5 X ULN unless subject is receiving anticoagulant therapy as long as PT or PTT is within therapeutic range of intended use of anticoagulants (performed within 28 days of treatment initiation) * Female subject of childbearing potential should have a negative urine or serum pregnancy within 72 hours prior to receiving the first dose of study medication; if the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required * Female subjects of childbearing potential should be willing to use 2 methods of birth control or be surgically sterile, or abstain from heterosexual activity for the course of the study through 120 days after the last dose of study medication; subjects of childbearing potential are those who have not been surgically sterilized or have not been free from menses for \> 1 year * Male subjects should agree to use an adequate method of contraception starting with the first dose of study therapy through 120 days after the last dose of study therapy * For subjects in cohort 2 (small cell malignancies of non-pulmonary origin), confirmation of no brain metastases via imaging Exclusion Criteria: * Is currently participating and receiving study therapy or concurrent chemotherapy, immunotherapy, biologic, or hormonal therapy for cancer treatment at the time of administration of first dose of trial treatment; continuation of hormone replacement therapy is permitted; stable regimens of hormonal therapy i.e. for prostate cancer (e.g. leuprolide, a gonadotrophin releasing hormone \[GnRH\] agonist), ovarian, or breast cancer are not exclusionary * Has a diagnosis of immunodeficiency or is receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of trial treatment * Has a known history of active TB (bacillus tuberculosis) * Hypersensitivity to pembrolizumab or any of its excipients * Has not recovered (i.e., =\< grade 1 or at baseline) from adverse events due to a previously administered agent; Note: subjects with =\< grade 2 neuropathy are an exception to this criterion and may qualify for the study; Note: if subject received major surgery, they must have recovered adequately from the toxicity and/or complications from the intervention prior to starting therapy * Has a known additional malignancy that is progressing or requires active treatment; exceptions include basal cell carcinoma of the skin or squamous cell carcinoma of the skin that has undergone potentially curative therapy or in situ cervical cancer, and diseases for which the treatment could reasonably include pembrolizumab and are not part of the excluded tumor type list or not eligible for the phase I trial * Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis; subjects with previously treated brain metastases may participate provided they are stable (without evidence of progression by imaging for at least four weeks prior to the first dose of trial treatment and any neurologic symptoms have returned to baseline), have no evidence of new or enlarging brain metastases, and are not using steroids for at least 7 days prior to trial treatment; this exception does not include carcinomatous meningitis which is excluded regardless of clinical stability * Has active autoimmune disease that has required systemic treatment in the past 2 years (i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs); replacement therapy (eg., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment; immunosuppressive corticosteroid doses (\> 10 mg prednisone daily or equivalent) within 4 weeks prior to the first dose of pembrolizumab; Note: corticosteroids given within 24 hours of an imaging study for purposes of pre-medication in patients with hypersensitivity to radiologic contrast agents are allowed * Has known history of, or any evidence of active, non-infectious pneumonitis * Has an active infection requiring systemic therapy * Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the subject's participation for the full duration of the trial, or is not in the best interest of the subject to participate, in the opinion of the treating investigator * Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial * Is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the pre-screening or screening visit through 120 days after the last dose of trial treatment * Has received prior therapy with an anti-PD-1, anti-PD-L1, or anti-PD-L2 agent * Has a known history of human immunodeficiency virus (HIV) (HIV 1/2 antibodies) * Has known active hepatitis B (e.g., hepatitis B surface antigen \[HBsAg\] reactive) or hepatitis C (e.g., hepatitis C virus \[HCV\] ribonucleic acid \[RNA\] \[qualitative\] is detected) * Has received a live vaccine within 30 days of planned start of study therapy; Note: seasonal influenza vaccines for injection are generally inactivated flu vaccines and are allowed; however intranasal influenza vaccines (e.g., Flu-Mist) are live attenuated vaccines, and are not allowed * Is participating in cohort 10 and has melanoma; non-small cell lung cancer; hepatocellular carcinoma; Merkel cell carcinoma; colon or rectal adenocarcinoma; anal canal squamous cell carcinoma; pancreas adenocarcinoma; esophageal squamous cell carcinoma or adenocarcinoma (including gastroesophageal \[GE\] junction); biliary tract adenocarcinoma (gallbladder and biliary tree but excluding ampulla of vater cancers); carcinoid tumors; neuroendocrine carcinomas (well or moderately differentiated pancreatic neuroendocrine tumor); estrogen receptor (ER)-positive human epidermal growth factor receptor 2 (HER2)-negative breast cancer; triple negative breast cancer; ovarian epithelial, fallopian tube or primary peritoneal carcinoma; endometrial carcinoma; cervical squamous cell cancer; vulvar squamous cell carcinoma; small cell lung cancer; mesothelioma (malignant pleural mesothelioma); thyroid cancer (papillary or follicular subtype); salivary gland carcinoma; nasopharyngeal carcinoma; glioblastoma multiforme; leiomyosarcoma; prostate adenocarcinoma; gastric adenocarcinoma; or small bowel malignancy
healthy Volunteers
false
minimum Age
18 Years
sex
ALL
std Ages
  1. ADULT
  2. OLDER_ADULT
Treatment arms and interventions
arm Groups
  1. description
    Patients receive pembrolizumab IV over 30 minutes on day 1. Treatment repeats every 21 days for up to 24 months in the absence of disease progression or toxicity. Patients with clinical response or disease stabilization may continue treatment for up to an additional 12 months.
    intervention Names
    1. Other: Laboratory Biomarker Analysis
    2. Biological: Pembrolizumab
    3. Other: Questionnaire Administration
    label
    Treatment (pembrolizumab)
    type
    EXPERIMENTAL
interventions
  1. arm Group Labels
    1. Treatment (pembrolizumab)
    description
    Correlative studies
    name
    Laboratory Biomarker Analysis
    type
    OTHER
  2. arm Group Labels
    1. Treatment (pembrolizumab)
    description
    Given IV
    name
    Pembrolizumab
    other Names
    1. Keytruda
    2. Lambrolizumab
    3. MK-3475
    4. SCH 900475
    type
    BIOLOGICAL
  3. arm Group Labels
    1. Treatment (pembrolizumab)
    description
    Ancillary studies
    name
    Questionnaire Administration
    type
    OTHER
Study design
allocation
NA
intervention Model
SINGLE_GROUP
masking Info
masking
NONE
primary Purpose
TREATMENT
Enrollment
count
157
type
ACTUAL
Registered outcome plans (not posted results)
primary Outcomes
  1. description
    Non-progression rate (NPR) at 27 weeks was defined as the percentage of efficacy evaluable patients who were alive and progression-free at 27 weeks as assessed by irRECIST Progression is defined using immune-related Response Evaluation Criteria in Solid Tumors (irRECIST), as an increase ≥ 20% (minimum 5 mm) in total measured tumor burden compared with nadir or progression of non-target lesions or new lesion
    measure
    Non-progression Rate (NPR) at 27 Weeks by irRECIST
    time Frame
    At 27 weeks
secondary Outcomes
  1. description
    Immune-related ORR is defined as the percentage of patients achieving a irCR or irPR based on irRECIST criteria. PD-L1 positivity was defined as Combined Positive Score ≥1. Evaluated objective response in PD-L1 positive patients Per irRECIST: Immune-related (ir) Complete Response (irCR), disappearance of all target and non-target lesions, nodal short axis diameter \<10 mm, no new lesions; irPartial Response (irPR), decrease of ≥30% in tumor burden relative to baseline, non-unequivocal progression of non-target lesions, no new lesions.
    measure
    Evaluation of Tumor Size (Objective Response by irRECIST) to PD-L1 Status (CPS ≥1)
    time Frame
    Baseline and every 9 weeks thereafter. After 6 months, every 12 weeks at the physician's discretion, if patient has had CR, PR, or SD > 27 weeks, an average of 4 years.
  2. description
    Per protocol, the number and percentage of patients with any treatment-related AE was summarized for all study patients combined. Patients were monitored for AE from the first day of administration of study medication through 30 days following last dose. Each AE (as defined by NCI CTCAE v4.03) was counted only once for a given subject. In the event a patient experienced repeated episodes of the same AE, then the event with the highest severity and/or strongest causal relationship to study treatment was used for purposes of tabulations.
    measure
    Number of Patients Who Experienced Treatment-related Adverse Event (TRAE)
    time Frame
    First day of administration of study medication through 30 days following last dose, an average of 4 years.
  3. description
    ORR is defined as the percentage of patients achieving a complete response (CR) or partial response (PR) based on RECIST 1.1 criteria.
    measure
    Objective Response Rate (ORR) Using Response Evaluation Criteria in Solid Tumors (RECIST) v1.1
    time Frame
    Baseline and every 9 weeks thereafter. After 6 months, every 12 weeks at the physician's discretion, if patient has had CR, PR, or SD > 27 weeks, an average of 4 years.
  4. description
    CBR is defined as the percentage of patients achieving a CR or PR, or stable disease (SD) ≥4 months based on RECIST 1.1 criteria.
    measure
    Clinical Benefit Rate (CBR) Using RECIST v1.1
    time Frame
    Baseline and every 9 weeks thereafter. After 6 months, every 12 weeks at the physician's discretion, if patient has had CR, PR, or SD > 27 weeks, an average of 4 years.
  5. description
    PFS was defined as the time from administration of the first dose to the first documented disease progression according to RECIST v1.1 or death due to any cause, whichever occurs first. Patients who were alive and had not experienced disease progression at the time of data cutoff were censored.
    measure
    Progression-free Survival (PFS) Using RECIST v1.1
    time Frame
    Baseline and every 9 weeks thereafter. After 6 months, every 12 weeks at the physician's discretion, if patient has had CR, PR, or SD > 27 weeks, an average of 4 years.
  6. description
    Immune-related ORR is defined as the percentage of patients achieving a irCR or irPR based on irRECIST criteria.
    measure
    Immune-related ORR Using Immune-related Response Evaluation Criteria in Solid Tumors (irRECIST)
    time Frame
    Baseline and every 9 weeks thereafter. After 6 months, every 12 weeks at the physician's discretion, if patient has had CR, PR, or SD > 27 weeks, an average of 4 years.
  7. description
    Immune-related CBR is defined as the percentage of patients achieving a irCR or irPR, or irSD ≥4 months based on irRECIST criteria
    measure
    Immune-related Clinical Benefit Rate (CBR) Using irRECIST
    time Frame
    First day of administration of study medication through 30 days following last dose, an average of 4 years.
  8. description
    Immune-related PFS was defined as the time from administration of the first dose to the first documented disease progression according to irRECIST or death due to any cause, whichever occurs first. Patients who were alive and had not experienced disease progression at the time of data cutoff were censored.
    measure
    Immune-related Progression-free Survival (PFS) Using irRECIST
    time Frame
    Baseline and every 9 weeks thereafter. After 6 months, every 12 weeks at the physician's discretion, if patient has had CR, PR, or SD > 27 weeks.
Full study description
brief Summary
This phase II trial studies how well pembrolizumab works in treating patients with rare tumors that cannot be removed by surgery or have spread to other parts of the body. Monoclonal antibodies, such as pembrolizumab, may block specific proteins found on white blood cells which may strengthen the immune system and control tumor growth.
detailed Description
PRIMARY OBJECTIVES: I. To obtain early indication of efficacy by evaluation of non-progression rate (NPR) at 27 weeks as defined as the percentage of patients who are alive and progression-free at 27 weeks as assessed by Response Evaluation Criteria in Solid Tumors (RECIST) version (v)1.1 or immune-related(ir)RECIST or method of tumor evaluation criteria best suitable and accepted for the tumor type evaluated in patients with advanced tumor types receiving pembrolizumab. SECONDARY OBJECTIVES: I. To correlate efficacy by evaluation of tumor size to programmed cell death 1 ligand 1 (PD-L1) status among patients with advanced tumor types receiving pembrolizumab. II. To evaluate safety and tolerability of pembrolizumab in patients with advanced tumors. III. To evaluate the percentage of patients with objective response (complete response \[CR\] or partial response \[PR\]), clinical benefit (CR, PR, or stable disease \[SD\] \>= 4 months), progression free survival (PFS), overall survival (OS), and duration of response (DOR) as assessed by RECIST v1.1 in patients with advanced tumor types receiving pembrolizumab. IV. To evaluate the percentage of patients with objective response (CR or PR), clinical benefit (CR, PR, or SD \>= 4 months), PFS, and DOR as assessed by irRECIST in patients with advanced tumor types receiving pembrolizumab. V. To correlate the NPR at 27 weeks (9 cycles), objective response (CR or PR), clinical benefit CR, PR, or SD \>= 4 months), PFS, OS, and DOR to PD-L1 status among patients with advanced tumor types receiving pembrolizumab. EXPLORATORY OBJECTIVES: I. To evaluate the potential role of tumor-associated immune biomarkers for prediction of therapy effectiveness in patients with advanced tumor types receiving pembrolizumab. II. To correlate the potential role of tumor-associated immune biomarkers for prediction of therapy effectiveness to PD-L1 status among patients with advanced tumor types receiving pembrolizumab. III. To identify imaging characteristics associated with immunological changes in tumor following treatment with pembrolizumab. IV. To compare tumor mutation burden and serial assessment of mutation status in biopsies obtained at baseline and progression in patients with advanced tumor types receiving pembrolizumab. V. To evaluate patient-reported outcomes (PRO) utilizing the National Cancer Institute (NCI) Patient-Reported Outcomes of the Common Terminology Criteria for Adverse Events (PRO-CTCAE) questionnaires. OUTLINE: Patients receive pembrolizumab intravenously (IV) over 30 minutes on day 1. Treatment repeats every 21 days for up to 24 months in the absence of disease progression or toxicity. Patients with clinical response or disease stabilization may continue treatment for up to an additional 12 months. After completion of study treatment, patients are followed up at 30 days and then every 12 weeks.
Source references
references
  1. citation
    Derbala MH, Stephen B, Hwang W, Ock CY, Hwang S, Hajjar J, Lee S, Zhou J, Gurses SA, Gouda MA, McGonagle KE, Alshawa A, Castillo L, Zarifa A, Fu S, Piha-Paul SA, Tsimberidou AM, Meric-Bernstam F, Solis Soto LM, Raso MG, Ali S, Naing A. Artificial intelligence-guided analysis of the tumor microenvironment predicts response to pembrolizumab in rare tumors. J Immunother Cancer. 2026 Jun 24;14(6):e014768. doi: 10.1136/jitc-2025-014768.
    pmid
    42342409
    type
    DERIVED
  2. citation
    Chahla B, Stephen B, Song J, Balderrama-Brondani V, Yaylaci F, Campbell MT, Naing A, Habra MA. Phase 2 Study of Monotherapy with Pembrolizumab for Advanced Adrenocortical Carcinoma. J Immunother Precis Oncol. 2025 Oct 6;8(4):242-248. doi: 10.36401/JIPO-25-6. eCollection 2025 Nov.
    pmid
    41143139
    type
    DERIVED
  3. citation
    Nardo M, Braganca Xavier C, Stephen B, How JA, Moyers J, Subbiah V, Hong DS, Naing A. Pembrolizumab in Patients with Advanced Miscellaneous Rare Cancers: Results from a Phase 2 Basket Trial. J Immunother Precis Oncol. 2025 Apr 10;8(2):143-151. doi: 10.36401/JIPO-24-27. eCollection 2025 May.
    pmid
    40212844
    type
    DERIVED
  4. citation
    Nze C, Msaouel P, Derbala MH, Stephen B, Abonofal A, Meric-Bernstam F, Tannir NM, Naing A. A Phase II Clinical Trial of Pembrolizumab Efficacy and Safety in Advanced Renal Medullary Carcinoma. Cancers (Basel). 2023 Jul 27;15(15):3806. doi: 10.3390/cancers15153806.
    pmid
    37568622
    type
    DERIVED
  5. citation
    Mendoza TR, Hong DS, Peterson CB, Stephen B, Dumbrava E, Pant S, Tsimberidou AM, Yap TA, Sheshadri A, Altan M, George G, Castillo L, Rodriguez E, Gong J, Subbiah V, Janku F, Fu S, Piha-Paul SA, Ahnert JR, Karp DD, Cleeland C, Meric-Bernstam F, Naing A. Patient-reported symptom burden in patients with rare cancers receiving pembrolizumab in a phase II Clinical Trial. Sci Rep. 2022 Aug 23;12(1):14367. doi: 10.1038/s41598-022-16588-3.
    pmid
    35999229
    type
    DERIVED
  6. citation
    Raghav KP, Stephen B, Karp DD, Piha-Paul SA, Hong DS, Jain D, Chudy Onwugaje DO, Abonofal A, Willett AF, Overman M, Smaglo B, Huey RW, Meric-Bernstam F, Varadhachary GR, Naing A. Efficacy of pembrolizumab in patients with advanced cancer of unknown primary (CUP): a phase 2 non-randomized clinical trial. J Immunother Cancer. 2022 May;10(5):e004822. doi: 10.1136/jitc-2022-004822.
    pmid
    35618285
    type
    DERIVED
  7. citation
    Pant S, Moyers JT, Naing A. Letter to the editor from Pant et al. J Immunother Cancer. 2021 Nov;9(11):e003991. doi: 10.1136/jitc-2021-003991. No abstract available.
    pmid
    34725215
    type
    DERIVED
  8. citation
    Ferrarotto R, Sousa LG, Qing Y, Kaya D, Stephen B, Jain D, Bell D, Pant S, Tsimberidou AM, Janku F, Blumenschein G, Glisson BS, Ahnert JR, Piha-Paul SA, Lee JJ, Wong MK, Lu C, Meric-Bernstam F, Naing A. Pembrolizumab in Patients with Refractory Cutaneous Squamous Cell Carcinoma: A Phase II Trial. Adv Ther. 2021 Aug;38(8):4581-4591. doi: 10.1007/s12325-021-01807-6. Epub 2021 Jul 9.
    pmid
    34241781
    type
    DERIVED
  9. citation
    Hahn AW, Chahoud J, Campbell MT, Karp DD, Wang J, Stephen B, Tu SM, Pettaway CA, Naing A. Pembrolizumab for advanced penile cancer: a case series from a phase II basket trial. Invest New Drugs. 2021 Oct;39(5):1405-1410. doi: 10.1007/s10637-021-01100-x. Epub 2021 Mar 26.
    pmid
    33770291
    type
    DERIVED
  10. citation
    Tsimberidou AM, Vo HH, Subbiah V, Janku F, Piha-Paul S, Yilmaz B, Gong J, Naqvi MF, Tu SM, Campbell M, Meric-Bernstam F, Naing A. Pembrolizumab in Patients with Advanced Metastatic Germ Cell Tumors. Oncologist. 2021 Jul;26(7):558-e1098. doi: 10.1002/onco.13682. Epub 2021 Feb 12.
    pmid
    33491277
    type
    DERIVED
  11. citation
    Majd N, Waguespack SG, Janku F, Fu S, Penas-Prado M, Xu M, Alshawa A, Kamiya-Matsuoka C, Raza SM, McCutcheon IE, Naing A. Efficacy of pembrolizumab in patients with pituitary carcinoma: report of four cases from a phase II study. J Immunother Cancer. 2020 Dec;8(2):e001532. doi: 10.1136/jitc-2020-001532.
    pmid
    33427689
    type
    DERIVED
  12. citation
    How JA, Jazaeri A, Westin SN, Sood AK, Ramondetta LM, Xu M, Abonofal A, Karp DD, Subbiah V, Stephen B, Rodon JA, Yang F, Naing A. The clinical efficacy and safety of single-agent pembrolizumab in patients with recurrent granulosa cell tumors of the ovary: a case series from a phase II basket trial. Invest New Drugs. 2021 Jun;39(3):829-835. doi: 10.1007/s10637-020-01043-9. Epub 2021 Jan 7.
    pmid
    33415580
    type
    DERIVED
see Also Links
  1. label
    MD Anderson Cancer Center Website
Source notices and limitations
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    Preserved source evidence · Not medical advice